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Posted to commits@ambari.apache.org by dm...@apache.org on 2013/10/22 17:50:23 UTC
[01/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Updated Branches:
refs/heads/trunk 6001f062c -> f07332938
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/lexnparse.py
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diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/lexnparse.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/lexnparse.py
new file mode 100644
index 0000000..008a0a9
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/lexnparse.py
@@ -0,0 +1,390 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.lexnparse
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ All the unittests regarding lexing, parsing and syntax.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import sys
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, Template, TemplateSyntaxError, \
+ UndefinedError, nodes
+
+env = Environment()
+
+
+# how does a string look like in jinja syntax?
+if sys.version_info < (3, 0):
+ def jinja_string_repr(string):
+ return repr(string)[1:]
+else:
+ jinja_string_repr = repr
+
+
+class LexerTestCase(JinjaTestCase):
+
+ def test_raw1(self):
+ tmpl = env.from_string('{% raw %}foo{% endraw %}|'
+ '{%raw%}{{ bar }}|{% baz %}{% endraw %}')
+ assert tmpl.render() == 'foo|{{ bar }}|{% baz %}'
+
+ def test_raw2(self):
+ tmpl = env.from_string('1 {%- raw -%} 2 {%- endraw -%} 3')
+ assert tmpl.render() == '123'
+
+ def test_balancing(self):
+ env = Environment('{%', '%}', '${', '}')
+ tmpl = env.from_string('''{% for item in seq
+ %}${{'foo': item}|upper}{% endfor %}''')
+ assert tmpl.render(seq=range(3)) == "{'FOO': 0}{'FOO': 1}{'FOO': 2}"
+
+ def test_comments(self):
+ env = Environment('<!--', '-->', '{', '}')
+ tmpl = env.from_string('''\
+<ul>
+<!--- for item in seq -->
+ <li>{item}</li>
+<!--- endfor -->
+</ul>''')
+ assert tmpl.render(seq=range(3)) == ("<ul>\n <li>0</li>\n "
+ "<li>1</li>\n <li>2</li>\n</ul>")
+
+ def test_string_escapes(self):
+ for char in u'\0', u'\u2668', u'\xe4', u'\t', u'\r', u'\n':
+ tmpl = env.from_string('{{ %s }}' % jinja_string_repr(char))
+ assert tmpl.render() == char
+ assert env.from_string('{{ "\N{HOT SPRINGS}" }}').render() == u'\u2668'
+
+ def test_bytefallback(self):
+ from pprint import pformat
+ tmpl = env.from_string(u'''{{ 'foo'|pprint }}|{{ 'bär'|pprint }}''')
+ assert tmpl.render() == pformat('foo') + '|' + pformat(u'bär')
+
+ def test_operators(self):
+ from jinja2.lexer import operators
+ for test, expect in operators.iteritems():
+ if test in '([{}])':
+ continue
+ stream = env.lexer.tokenize('{{ %s }}' % test)
+ stream.next()
+ assert stream.current.type == expect
+
+ def test_normalizing(self):
+ for seq in '\r', '\r\n', '\n':
+ env = Environment(newline_sequence=seq)
+ tmpl = env.from_string('1\n2\r\n3\n4\n')
+ result = tmpl.render()
+ assert result.replace(seq, 'X') == '1X2X3X4'
+
+
+class ParserTestCase(JinjaTestCase):
+
+ def test_php_syntax(self):
+ env = Environment('<?', '?>', '<?=', '?>', '<!--', '-->')
+ tmpl = env.from_string('''\
+<!-- I'm a comment, I'm not interesting -->\
+<? for item in seq -?>
+ <?= item ?>
+<?- endfor ?>''')
+ assert tmpl.render(seq=range(5)) == '01234'
+
+ def test_erb_syntax(self):
+ env = Environment('<%', '%>', '<%=', '%>', '<%#', '%>')
+ tmpl = env.from_string('''\
+<%# I'm a comment, I'm not interesting %>\
+<% for item in seq -%>
+ <%= item %>
+<%- endfor %>''')
+ assert tmpl.render(seq=range(5)) == '01234'
+
+ def test_comment_syntax(self):
+ env = Environment('<!--', '-->', '${', '}', '<!--#', '-->')
+ tmpl = env.from_string('''\
+<!--# I'm a comment, I'm not interesting -->\
+<!-- for item in seq --->
+ ${item}
+<!--- endfor -->''')
+ assert tmpl.render(seq=range(5)) == '01234'
+
+ def test_balancing(self):
+ tmpl = env.from_string('''{{{'foo':'bar'}.foo}}''')
+ assert tmpl.render() == 'bar'
+
+ def test_start_comment(self):
+ tmpl = env.from_string('''{# foo comment
+and bar comment #}
+{% macro blub() %}foo{% endmacro %}
+{{ blub() }}''')
+ assert tmpl.render().strip() == 'foo'
+
+ def test_line_syntax(self):
+ env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%')
+ tmpl = env.from_string('''\
+<%# regular comment %>
+% for item in seq:
+ ${item}
+% endfor''')
+ assert [int(x.strip()) for x in tmpl.render(seq=range(5)).split()] == \
+ range(5)
+
+ env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##')
+ tmpl = env.from_string('''\
+<%# regular comment %>
+% for item in seq:
+ ${item} ## the rest of the stuff
+% endfor''')
+ assert [int(x.strip()) for x in tmpl.render(seq=range(5)).split()] == \
+ range(5)
+
+ def test_line_syntax_priority(self):
+ # XXX: why is the whitespace there in front of the newline?
+ env = Environment('{%', '%}', '${', '}', '/*', '*/', '##', '#')
+ tmpl = env.from_string('''\
+/* ignore me.
+ I'm a multiline comment */
+## for item in seq:
+* ${item} # this is just extra stuff
+## endfor''')
+ assert tmpl.render(seq=[1, 2]).strip() == '* 1\n* 2'
+ env = Environment('{%', '%}', '${', '}', '/*', '*/', '#', '##')
+ tmpl = env.from_string('''\
+/* ignore me.
+ I'm a multiline comment */
+# for item in seq:
+* ${item} ## this is just extra stuff
+ ## extra stuff i just want to ignore
+# endfor''')
+ assert tmpl.render(seq=[1, 2]).strip() == '* 1\n\n* 2'
+
+ def test_error_messages(self):
+ def assert_error(code, expected):
+ try:
+ Template(code)
+ except TemplateSyntaxError, e:
+ assert str(e) == expected, 'unexpected error message'
+ else:
+ assert False, 'that was suposed to be an error'
+
+ assert_error('{% for item in seq %}...{% endif %}',
+ "Encountered unknown tag 'endif'. Jinja was looking "
+ "for the following tags: 'endfor' or 'else'. The "
+ "innermost block that needs to be closed is 'for'.")
+ assert_error('{% if foo %}{% for item in seq %}...{% endfor %}{% endfor %}',
+ "Encountered unknown tag 'endfor'. Jinja was looking for "
+ "the following tags: 'elif' or 'else' or 'endif'. The "
+ "innermost block that needs to be closed is 'if'.")
+ assert_error('{% if foo %}',
+ "Unexpected end of template. Jinja was looking for the "
+ "following tags: 'elif' or 'else' or 'endif'. The "
+ "innermost block that needs to be closed is 'if'.")
+ assert_error('{% for item in seq %}',
+ "Unexpected end of template. Jinja was looking for the "
+ "following tags: 'endfor' or 'else'. The innermost block "
+ "that needs to be closed is 'for'.")
+ assert_error('{% block foo-bar-baz %}',
+ "Block names in Jinja have to be valid Python identifiers "
+ "and may not contain hypens, use an underscore instead.")
+ assert_error('{% unknown_tag %}',
+ "Encountered unknown tag 'unknown_tag'.")
+
+
+class SyntaxTestCase(JinjaTestCase):
+
+ def test_call(self):
+ env = Environment()
+ env.globals['foo'] = lambda a, b, c, e, g: a + b + c + e + g
+ tmpl = env.from_string("{{ foo('a', c='d', e='f', *['b'], **{'g': 'h'}) }}")
+ assert tmpl.render() == 'abdfh'
+
+ def test_slicing(self):
+ tmpl = env.from_string('{{ [1, 2, 3][:] }}|{{ [1, 2, 3][::-1] }}')
+ assert tmpl.render() == '[1, 2, 3]|[3, 2, 1]'
+
+ def test_attr(self):
+ tmpl = env.from_string("{{ foo.bar }}|{{ foo['bar'] }}")
+ assert tmpl.render(foo={'bar': 42}) == '42|42'
+
+ def test_subscript(self):
+ tmpl = env.from_string("{{ foo[0] }}|{{ foo[-1] }}")
+ assert tmpl.render(foo=[0, 1, 2]) == '0|2'
+
+ def test_tuple(self):
+ tmpl = env.from_string('{{ () }}|{{ (1,) }}|{{ (1, 2) }}')
+ assert tmpl.render() == '()|(1,)|(1, 2)'
+
+ def test_math(self):
+ tmpl = env.from_string('{{ (1 + 1 * 2) - 3 / 2 }}|{{ 2**3 }}')
+ assert tmpl.render() == '1.5|8'
+
+ def test_div(self):
+ tmpl = env.from_string('{{ 3 // 2 }}|{{ 3 / 2 }}|{{ 3 % 2 }}')
+ assert tmpl.render() == '1|1.5|1'
+
+ def test_unary(self):
+ tmpl = env.from_string('{{ +3 }}|{{ -3 }}')
+ assert tmpl.render() == '3|-3'
+
+ def test_concat(self):
+ tmpl = env.from_string("{{ [1, 2] ~ 'foo' }}")
+ assert tmpl.render() == '[1, 2]foo'
+
+ def test_compare(self):
+ tmpl = env.from_string('{{ 1 > 0 }}|{{ 1 >= 1 }}|{{ 2 < 3 }}|'
+ '{{ 2 == 2 }}|{{ 1 <= 1 }}')
+ assert tmpl.render() == 'True|True|True|True|True'
+
+ def test_inop(self):
+ tmpl = env.from_string('{{ 1 in [1, 2, 3] }}|{{ 1 not in [1, 2, 3] }}')
+ assert tmpl.render() == 'True|False'
+
+ def test_literals(self):
+ tmpl = env.from_string('{{ [] }}|{{ {} }}|{{ () }}')
+ assert tmpl.render().lower() == '[]|{}|()'
+
+ def test_bool(self):
+ tmpl = env.from_string('{{ true and false }}|{{ false '
+ 'or true }}|{{ not false }}')
+ assert tmpl.render() == 'False|True|True'
+
+ def test_grouping(self):
+ tmpl = env.from_string('{{ (true and false) or (false and true) and not false }}')
+ assert tmpl.render() == 'False'
+
+ def test_django_attr(self):
+ tmpl = env.from_string('{{ [1, 2, 3].0 }}|{{ [[1]].0.0 }}')
+ assert tmpl.render() == '1|1'
+
+ def test_conditional_expression(self):
+ tmpl = env.from_string('''{{ 0 if true else 1 }}''')
+ assert tmpl.render() == '0'
+
+ def test_short_conditional_expression(self):
+ tmpl = env.from_string('<{{ 1 if false }}>')
+ assert tmpl.render() == '<>'
+
+ tmpl = env.from_string('<{{ (1 if false).bar }}>')
+ self.assert_raises(UndefinedError, tmpl.render)
+
+ def test_filter_priority(self):
+ tmpl = env.from_string('{{ "foo"|upper + "bar"|upper }}')
+ assert tmpl.render() == 'FOOBAR'
+
+ def test_function_calls(self):
+ tests = [
+ (True, '*foo, bar'),
+ (True, '*foo, *bar'),
+ (True, '*foo, bar=42'),
+ (True, '**foo, *bar'),
+ (True, '**foo, bar'),
+ (False, 'foo, bar'),
+ (False, 'foo, bar=42'),
+ (False, 'foo, bar=23, *args'),
+ (False, 'a, b=c, *d, **e'),
+ (False, '*foo, **bar')
+ ]
+ for should_fail, sig in tests:
+ if should_fail:
+ self.assert_raises(TemplateSyntaxError,
+ env.from_string, '{{ foo(%s) }}' % sig)
+ else:
+ env.from_string('foo(%s)' % sig)
+
+ def test_tuple_expr(self):
+ for tmpl in [
+ '{{ () }}',
+ '{{ (1, 2) }}',
+ '{{ (1, 2,) }}',
+ '{{ 1, }}',
+ '{{ 1, 2 }}',
+ '{% for foo, bar in seq %}...{% endfor %}',
+ '{% for x in foo, bar %}...{% endfor %}',
+ '{% for x in foo, %}...{% endfor %}'
+ ]:
+ assert env.from_string(tmpl)
+
+ def test_trailing_comma(self):
+ tmpl = env.from_string('{{ (1, 2,) }}|{{ [1, 2,] }}|{{ {1: 2,} }}')
+ assert tmpl.render().lower() == '(1, 2)|[1, 2]|{1: 2}'
+
+ def test_block_end_name(self):
+ env.from_string('{% block foo %}...{% endblock foo %}')
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ '{% block x %}{% endblock y %}')
+
+ def test_contant_casing(self):
+ for const in True, False, None:
+ tmpl = env.from_string('{{ %s }}|{{ %s }}|{{ %s }}' % (
+ str(const), str(const).lower(), str(const).upper()
+ ))
+ assert tmpl.render() == '%s|%s|' % (const, const)
+
+ def test_test_chaining(self):
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ '{{ foo is string is sequence }}')
+ env.from_string('{{ 42 is string or 42 is number }}'
+ ).render() == 'True'
+
+ def test_string_concatenation(self):
+ tmpl = env.from_string('{{ "foo" "bar" "baz" }}')
+ assert tmpl.render() == 'foobarbaz'
+
+ def test_notin(self):
+ bar = xrange(100)
+ tmpl = env.from_string('''{{ not 42 in bar }}''')
+ assert tmpl.render(bar=bar) == unicode(not 42 in bar)
+
+ def test_implicit_subscribed_tuple(self):
+ class Foo(object):
+ def __getitem__(self, x):
+ return x
+ t = env.from_string('{{ foo[1, 2] }}')
+ assert t.render(foo=Foo()) == u'(1, 2)'
+
+ def test_raw2(self):
+ tmpl = env.from_string('{% raw %}{{ FOO }} and {% BAR %}{% endraw %}')
+ assert tmpl.render() == '{{ FOO }} and {% BAR %}'
+
+ def test_const(self):
+ tmpl = env.from_string('{{ true }}|{{ false }}|{{ none }}|'
+ '{{ none is defined }}|{{ missing is defined }}')
+ assert tmpl.render() == 'True|False|None|True|False'
+
+ def test_neg_filter_priority(self):
+ node = env.parse('{{ -1|foo }}')
+ assert isinstance(node.body[0].nodes[0], nodes.Filter)
+ assert isinstance(node.body[0].nodes[0].node, nodes.Neg)
+
+ def test_const_assign(self):
+ constass1 = '''{% set true = 42 %}'''
+ constass2 = '''{% for none in seq %}{% endfor %}'''
+ for tmpl in constass1, constass2:
+ self.assert_raises(TemplateSyntaxError, env.from_string, tmpl)
+
+ def test_localset(self):
+ tmpl = env.from_string('''{% set foo = 0 %}\
+{% for item in [1, 2] %}{% set foo = 1 %}{% endfor %}\
+{{ foo }}''')
+ assert tmpl.render() == '0'
+
+ def test_parse_unary(self):
+ tmpl = env.from_string('{{ -foo["bar"] }}')
+ assert tmpl.render(foo={'bar': 42}) == '-42'
+ tmpl = env.from_string('{{ -foo["bar"]|abs }}')
+ assert tmpl.render(foo={'bar': 42}) == '42'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(LexerTestCase))
+ suite.addTest(unittest.makeSuite(ParserTestCase))
+ suite.addTest(unittest.makeSuite(SyntaxTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/loader.py
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diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/loader.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/loader.py
new file mode 100644
index 0000000..0ff0d04
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/loader.py
@@ -0,0 +1,191 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.loader
+ ~~~~~~~~~~~~~~~~~~~~~~~
+
+ Test the loaders.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import sys
+import time
+import tempfile
+import shutil
+import unittest
+
+from jinja2.testsuite import JinjaTestCase, dict_loader, \
+ package_loader, filesystem_loader, function_loader, \
+ choice_loader, prefix_loader
+
+from jinja2 import Environment, loaders
+from jinja2.loaders import split_template_path
+from jinja2.exceptions import TemplateNotFound
+
+
+class LoaderTestCase(JinjaTestCase):
+
+ def test_dict_loader(self):
+ env = Environment(loader=dict_loader)
+ tmpl = env.get_template('justdict.html')
+ assert tmpl.render().strip() == 'FOO'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing.html')
+
+ def test_package_loader(self):
+ env = Environment(loader=package_loader)
+ tmpl = env.get_template('test.html')
+ assert tmpl.render().strip() == 'BAR'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing.html')
+
+ def test_filesystem_loader(self):
+ env = Environment(loader=filesystem_loader)
+ tmpl = env.get_template('test.html')
+ assert tmpl.render().strip() == 'BAR'
+ tmpl = env.get_template('foo/test.html')
+ assert tmpl.render().strip() == 'FOO'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing.html')
+
+ def test_choice_loader(self):
+ env = Environment(loader=choice_loader)
+ tmpl = env.get_template('justdict.html')
+ assert tmpl.render().strip() == 'FOO'
+ tmpl = env.get_template('test.html')
+ assert tmpl.render().strip() == 'BAR'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing.html')
+
+ def test_function_loader(self):
+ env = Environment(loader=function_loader)
+ tmpl = env.get_template('justfunction.html')
+ assert tmpl.render().strip() == 'FOO'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing.html')
+
+ def test_prefix_loader(self):
+ env = Environment(loader=prefix_loader)
+ tmpl = env.get_template('a/test.html')
+ assert tmpl.render().strip() == 'BAR'
+ tmpl = env.get_template('b/justdict.html')
+ assert tmpl.render().strip() == 'FOO'
+ self.assert_raises(TemplateNotFound, env.get_template, 'missing')
+
+ def test_caching(self):
+ changed = False
+ class TestLoader(loaders.BaseLoader):
+ def get_source(self, environment, template):
+ return u'foo', None, lambda: not changed
+ env = Environment(loader=TestLoader(), cache_size=-1)
+ tmpl = env.get_template('template')
+ assert tmpl is env.get_template('template')
+ changed = True
+ assert tmpl is not env.get_template('template')
+ changed = False
+
+ env = Environment(loader=TestLoader(), cache_size=0)
+ assert env.get_template('template') \
+ is not env.get_template('template')
+
+ env = Environment(loader=TestLoader(), cache_size=2)
+ t1 = env.get_template('one')
+ t2 = env.get_template('two')
+ assert t2 is env.get_template('two')
+ assert t1 is env.get_template('one')
+ t3 = env.get_template('three')
+ assert 'one' in env.cache
+ assert 'two' not in env.cache
+ assert 'three' in env.cache
+
+ def test_split_template_path(self):
+ assert split_template_path('foo/bar') == ['foo', 'bar']
+ assert split_template_path('./foo/bar') == ['foo', 'bar']
+ self.assert_raises(TemplateNotFound, split_template_path, '../foo')
+
+
+class ModuleLoaderTestCase(JinjaTestCase):
+ archive = None
+
+ def compile_down(self, zip='deflated', py_compile=False):
+ super(ModuleLoaderTestCase, self).setup()
+ log = []
+ self.reg_env = Environment(loader=prefix_loader)
+ if zip is not None:
+ self.archive = tempfile.mkstemp(suffix='.zip')[1]
+ else:
+ self.archive = tempfile.mkdtemp()
+ self.reg_env.compile_templates(self.archive, zip=zip,
+ log_function=log.append,
+ py_compile=py_compile)
+ self.mod_env = Environment(loader=loaders.ModuleLoader(self.archive))
+ return ''.join(log)
+
+ def teardown(self):
+ super(ModuleLoaderTestCase, self).teardown()
+ if hasattr(self, 'mod_env'):
+ if os.path.isfile(self.archive):
+ os.remove(self.archive)
+ else:
+ shutil.rmtree(self.archive)
+ self.archive = None
+
+ def test_log(self):
+ log = self.compile_down()
+ assert 'Compiled "a/foo/test.html" as ' \
+ 'tmpl_a790caf9d669e39ea4d280d597ec891c4ef0404a' in log
+ assert 'Finished compiling templates' in log
+ assert 'Could not compile "a/syntaxerror.html": ' \
+ 'Encountered unknown tag \'endif\'' in log
+
+ def _test_common(self):
+ tmpl1 = self.reg_env.get_template('a/test.html')
+ tmpl2 = self.mod_env.get_template('a/test.html')
+ assert tmpl1.render() == tmpl2.render()
+
+ tmpl1 = self.reg_env.get_template('b/justdict.html')
+ tmpl2 = self.mod_env.get_template('b/justdict.html')
+ assert tmpl1.render() == tmpl2.render()
+
+ def test_deflated_zip_compile(self):
+ self.compile_down(zip='deflated')
+ self._test_common()
+
+ def test_stored_zip_compile(self):
+ self.compile_down(zip='stored')
+ self._test_common()
+
+ def test_filesystem_compile(self):
+ self.compile_down(zip=None)
+ self._test_common()
+
+ def test_weak_references(self):
+ self.compile_down()
+ tmpl = self.mod_env.get_template('a/test.html')
+ key = loaders.ModuleLoader.get_template_key('a/test.html')
+ name = self.mod_env.loader.module.__name__
+
+ assert hasattr(self.mod_env.loader.module, key)
+ assert name in sys.modules
+
+ # unset all, ensure the module is gone from sys.modules
+ self.mod_env = tmpl = None
+
+ try:
+ import gc
+ gc.collect()
+ except:
+ pass
+
+ assert name not in sys.modules
+
+ def test_byte_compilation(self):
+ log = self.compile_down(py_compile=True)
+ assert 'Byte-compiled "a/test.html"' in log
+ tmpl1 = self.mod_env.get_template('a/test.html')
+ mod = self.mod_env.loader.module. \
+ tmpl_3c4ddf650c1a73df961a6d3d2ce2752f1b8fd490
+ assert mod.__file__.endswith('.pyc')
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(LoaderTestCase))
+ suite.addTest(unittest.makeSuite(ModuleLoaderTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/regression.py
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diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/regression.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/regression.py
new file mode 100644
index 0000000..a39c3cb
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/regression.py
@@ -0,0 +1,258 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.regression
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests corner cases and bugs.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Template, Environment, DictLoader, TemplateSyntaxError, \
+ TemplateNotFound, PrefixLoader
+
+env = Environment()
+
+
+class CornerTestCase(JinjaTestCase):
+
+ def test_assigned_scoping(self):
+ t = env.from_string('''
+ {%- for item in (1, 2, 3, 4) -%}
+ [{{ item }}]
+ {%- endfor %}
+ {{- item -}}
+ ''')
+ assert t.render(item=42) == '[1][2][3][4]42'
+
+ t = env.from_string('''
+ {%- for item in (1, 2, 3, 4) -%}
+ [{{ item }}]
+ {%- endfor %}
+ {%- set item = 42 %}
+ {{- item -}}
+ ''')
+ assert t.render() == '[1][2][3][4]42'
+
+ t = env.from_string('''
+ {%- set item = 42 %}
+ {%- for item in (1, 2, 3, 4) -%}
+ [{{ item }}]
+ {%- endfor %}
+ {{- item -}}
+ ''')
+ assert t.render() == '[1][2][3][4]42'
+
+ def test_closure_scoping(self):
+ t = env.from_string('''
+ {%- set wrapper = "<FOO>" %}
+ {%- for item in (1, 2, 3, 4) %}
+ {%- macro wrapper() %}[{{ item }}]{% endmacro %}
+ {{- wrapper() }}
+ {%- endfor %}
+ {{- wrapper -}}
+ ''')
+ assert t.render() == '[1][2][3][4]<FOO>'
+
+ t = env.from_string('''
+ {%- for item in (1, 2, 3, 4) %}
+ {%- macro wrapper() %}[{{ item }}]{% endmacro %}
+ {{- wrapper() }}
+ {%- endfor %}
+ {%- set wrapper = "<FOO>" %}
+ {{- wrapper -}}
+ ''')
+ assert t.render() == '[1][2][3][4]<FOO>'
+
+ t = env.from_string('''
+ {%- for item in (1, 2, 3, 4) %}
+ {%- macro wrapper() %}[{{ item }}]{% endmacro %}
+ {{- wrapper() }}
+ {%- endfor %}
+ {{- wrapper -}}
+ ''')
+ assert t.render(wrapper=23) == '[1][2][3][4]23'
+
+
+class BugTestCase(JinjaTestCase):
+
+ def test_keyword_folding(self):
+ env = Environment()
+ env.filters['testing'] = lambda value, some: value + some
+ assert env.from_string("{{ 'test'|testing(some='stuff') }}") \
+ .render() == 'teststuff'
+
+ def test_extends_output_bugs(self):
+ env = Environment(loader=DictLoader({
+ 'parent.html': '(({% block title %}{% endblock %}))'
+ }))
+
+ t = env.from_string('{% if expr %}{% extends "parent.html" %}{% endif %}'
+ '[[{% block title %}title{% endblock %}]]'
+ '{% for item in [1, 2, 3] %}({{ item }}){% endfor %}')
+ assert t.render(expr=False) == '[[title]](1)(2)(3)'
+ assert t.render(expr=True) == '((title))'
+
+ def test_urlize_filter_escaping(self):
+ tmpl = env.from_string('{{ "http://www.example.org/<foo"|urlize }}')
+ assert tmpl.render() == '<a href="http://www.example.org/<foo">http://www.example.org/<foo</a>'
+
+ def test_loop_call_loop(self):
+ tmpl = env.from_string('''
+
+ {% macro test() %}
+ {{ caller() }}
+ {% endmacro %}
+
+ {% for num1 in range(5) %}
+ {% call test() %}
+ {% for num2 in range(10) %}
+ {{ loop.index }}
+ {% endfor %}
+ {% endcall %}
+ {% endfor %}
+
+ ''')
+
+ assert tmpl.render().split() == map(unicode, range(1, 11)) * 5
+
+ def test_weird_inline_comment(self):
+ env = Environment(line_statement_prefix='%')
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ '% for item in seq {# missing #}\n...% endfor')
+
+ def test_old_macro_loop_scoping_bug(self):
+ tmpl = env.from_string('{% for i in (1, 2) %}{{ i }}{% endfor %}'
+ '{% macro i() %}3{% endmacro %}{{ i() }}')
+ assert tmpl.render() == '123'
+
+ def test_partial_conditional_assignments(self):
+ tmpl = env.from_string('{% if b %}{% set a = 42 %}{% endif %}{{ a }}')
+ assert tmpl.render(a=23) == '23'
+ assert tmpl.render(b=True) == '42'
+
+ def test_stacked_locals_scoping_bug(self):
+ env = Environment(line_statement_prefix='#')
+ t = env.from_string('''\
+# for j in [1, 2]:
+# set x = 1
+# for i in [1, 2]:
+# print x
+# if i % 2 == 0:
+# set x = x + 1
+# endif
+# endfor
+# endfor
+# if a
+# print 'A'
+# elif b
+# print 'B'
+# elif c == d
+# print 'C'
+# else
+# print 'D'
+# endif
+ ''')
+ assert t.render(a=0, b=False, c=42, d=42.0) == '1111C'
+
+ def test_stacked_locals_scoping_bug_twoframe(self):
+ t = Template('''
+ {% set x = 1 %}
+ {% for item in foo %}
+ {% if item == 1 %}
+ {% set x = 2 %}
+ {% endif %}
+ {% endfor %}
+ {{ x }}
+ ''')
+ rv = t.render(foo=[1]).strip()
+ assert rv == u'1'
+
+ def test_call_with_args(self):
+ t = Template("""{% macro dump_users(users) -%}
+ <ul>
+ {%- for user in users -%}
+ <li><p>{{ user.username|e }}</p>{{ caller(user) }}</li>
+ {%- endfor -%}
+ </ul>
+ {%- endmacro -%}
+
+ {% call(user) dump_users(list_of_user) -%}
+ <dl>
+ <dl>Realname</dl>
+ <dd>{{ user.realname|e }}</dd>
+ <dl>Description</dl>
+ <dd>{{ user.description }}</dd>
+ </dl>
+ {% endcall %}""")
+
+ assert [x.strip() for x in t.render(list_of_user=[{
+ 'username':'apo',
+ 'realname':'something else',
+ 'description':'test'
+ }]).splitlines()] == [
+ u'<ul><li><p>apo</p><dl>',
+ u'<dl>Realname</dl>',
+ u'<dd>something else</dd>',
+ u'<dl>Description</dl>',
+ u'<dd>test</dd>',
+ u'</dl>',
+ u'</li></ul>'
+ ]
+
+ def test_empty_if_condition_fails(self):
+ self.assert_raises(TemplateSyntaxError, Template, '{% if %}....{% endif %}')
+ self.assert_raises(TemplateSyntaxError, Template, '{% if foo %}...{% elif %}...{% endif %}')
+ self.assert_raises(TemplateSyntaxError, Template, '{% for x in %}..{% endfor %}')
+
+ def test_recursive_loop_bug(self):
+ tpl1 = Template("""
+ {% for p in foo recursive%}
+ {{p.bar}}
+ {% for f in p.fields recursive%}
+ {{f.baz}}
+ {{p.bar}}
+ {% if f.rec %}
+ {{ loop(f.sub) }}
+ {% endif %}
+ {% endfor %}
+ {% endfor %}
+ """)
+
+ tpl2 = Template("""
+ {% for p in foo%}
+ {{p.bar}}
+ {% for f in p.fields recursive%}
+ {{f.baz}}
+ {{p.bar}}
+ {% if f.rec %}
+ {{ loop(f.sub) }}
+ {% endif %}
+ {% endfor %}
+ {% endfor %}
+ """)
+
+ def test_correct_prefix_loader_name(self):
+ env = Environment(loader=PrefixLoader({
+ 'foo': DictLoader({})
+ }))
+ try:
+ env.get_template('foo/bar.html')
+ except TemplateNotFound, e:
+ assert e.name == 'foo/bar.html'
+ else:
+ assert False, 'expected error here'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(CornerTestCase))
+ suite.addTest(unittest.makeSuite(BugTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/__init__.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/__init__.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/__init__.py
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/broken.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/broken.html b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/broken.html
new file mode 100644
index 0000000..77669fa
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/broken.html
@@ -0,0 +1,3 @@
+Before
+{{ fail() }}
+After
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/foo/test.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/foo/test.html b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/foo/test.html
new file mode 100644
index 0000000..b7d6715
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/foo/test.html
@@ -0,0 +1 @@
+FOO
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/syntaxerror.html
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diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/syntaxerror.html b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/syntaxerror.html
new file mode 100644
index 0000000..f21b817
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/syntaxerror.html
@@ -0,0 +1,4 @@
+Foo
+{% for item in broken %}
+ ...
+{% endif %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/test.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/test.html b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/test.html
new file mode 100644
index 0000000..ba578e4
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/res/templates/test.html
@@ -0,0 +1 @@
+BAR
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/security.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/security.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/security.py
new file mode 100644
index 0000000..b2b4cf1
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/security.py
@@ -0,0 +1,134 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.security
+ ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Checks the sandbox and other security features.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment
+from jinja2.sandbox import SandboxedEnvironment, \
+ ImmutableSandboxedEnvironment, unsafe
+from jinja2 import Markup, escape
+from jinja2.exceptions import SecurityError, TemplateSyntaxError
+
+
+class PrivateStuff(object):
+
+ def bar(self):
+ return 23
+
+ @unsafe
+ def foo(self):
+ return 42
+
+ def __repr__(self):
+ return 'PrivateStuff'
+
+
+class PublicStuff(object):
+ bar = lambda self: 23
+ _foo = lambda self: 42
+
+ def __repr__(self):
+ return 'PublicStuff'
+
+
+class SandboxTestCase(JinjaTestCase):
+
+ def test_unsafe(self):
+ env = SandboxedEnvironment()
+ self.assert_raises(SecurityError, env.from_string("{{ foo.foo() }}").render,
+ foo=PrivateStuff())
+ self.assert_equal(env.from_string("{{ foo.bar() }}").render(foo=PrivateStuff()), '23')
+
+ self.assert_raises(SecurityError, env.from_string("{{ foo._foo() }}").render,
+ foo=PublicStuff())
+ self.assert_equal(env.from_string("{{ foo.bar() }}").render(foo=PublicStuff()), '23')
+ self.assert_equal(env.from_string("{{ foo.__class__ }}").render(foo=42), '')
+ self.assert_equal(env.from_string("{{ foo.func_code }}").render(foo=lambda:None), '')
+ self.assert_raises(SecurityError, env.from_string(
+ "{{ foo.__class__.__subclasses__() }}").render, foo=42)
+
+ def test_immutable_environment(self):
+ env = ImmutableSandboxedEnvironment()
+ self.assert_raises(SecurityError, env.from_string(
+ '{{ [].append(23) }}').render)
+ self.assert_raises(SecurityError, env.from_string(
+ '{{ {1:2}.clear() }}').render)
+
+ def test_restricted(self):
+ env = SandboxedEnvironment()
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ "{% for item.attribute in seq %}...{% endfor %}")
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ "{% for foo, bar.baz in seq %}...{% endfor %}")
+
+ def test_markup_operations(self):
+ # adding two strings should escape the unsafe one
+ unsafe = '<script type="application/x-some-script">alert("foo");</script>'
+ safe = Markup('<em>username</em>')
+ assert unsafe + safe == unicode(escape(unsafe)) + unicode(safe)
+
+ # string interpolations are safe to use too
+ assert Markup('<em>%s</em>') % '<bad user>' == \
+ '<em><bad user></em>'
+ assert Markup('<em>%(username)s</em>') % {
+ 'username': '<bad user>'
+ } == '<em><bad user></em>'
+
+ # an escaped object is markup too
+ assert type(Markup('foo') + 'bar') is Markup
+
+ # and it implements __html__ by returning itself
+ x = Markup("foo")
+ assert x.__html__() is x
+
+ # it also knows how to treat __html__ objects
+ class Foo(object):
+ def __html__(self):
+ return '<em>awesome</em>'
+ def __unicode__(self):
+ return 'awesome'
+ assert Markup(Foo()) == '<em>awesome</em>'
+ assert Markup('<strong>%s</strong>') % Foo() == \
+ '<strong><em>awesome</em></strong>'
+
+ # escaping and unescaping
+ assert escape('"<>&\'') == '"<>&''
+ assert Markup("<em>Foo & Bar</em>").striptags() == "Foo & Bar"
+ assert Markup("<test>").unescape() == "<test>"
+
+
+ def test_template_data(self):
+ env = Environment(autoescape=True)
+ t = env.from_string('{% macro say_hello(name) %}'
+ '<p>Hello {{ name }}!</p>{% endmacro %}'
+ '{{ say_hello("<blink>foo</blink>") }}')
+ escaped_out = '<p>Hello <blink>foo</blink>!</p>'
+ assert t.render() == escaped_out
+ assert unicode(t.module) == escaped_out
+ assert escape(t.module) == escaped_out
+ assert t.module.say_hello('<blink>foo</blink>') == escaped_out
+ assert escape(t.module.say_hello('<blink>foo</blink>')) == escaped_out
+
+
+ def test_attr_filter(self):
+ env = SandboxedEnvironment()
+ tmpl = env.from_string('{{ 42|attr("__class__")|attr("__subclasses__")() }}')
+ self.assert_raises(SecurityError, tmpl.render)
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(SandboxTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/tests.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/tests.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/tests.py
new file mode 100644
index 0000000..cd5006f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/tests.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.tests
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Who tests the tests?
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import unittest
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Markup, Environment
+
+env = Environment()
+
+
+class TestsTestCase(JinjaTestCase):
+
+ def test_defined(self):
+ tmpl = env.from_string('{{ missing is defined }}|{{ true is defined }}')
+ assert tmpl.render() == 'False|True'
+
+ def test_even(self):
+ tmpl = env.from_string('''{{ 1 is even }}|{{ 2 is even }}''')
+ assert tmpl.render() == 'False|True'
+
+ def test_odd(self):
+ tmpl = env.from_string('''{{ 1 is odd }}|{{ 2 is odd }}''')
+ assert tmpl.render() == 'True|False'
+
+ def test_lower(self):
+ tmpl = env.from_string('''{{ "foo" is lower }}|{{ "FOO" is lower }}''')
+ assert tmpl.render() == 'True|False'
+
+ def test_typechecks(self):
+ tmpl = env.from_string('''
+ {{ 42 is undefined }}
+ {{ 42 is defined }}
+ {{ 42 is none }}
+ {{ none is none }}
+ {{ 42 is number }}
+ {{ 42 is string }}
+ {{ "foo" is string }}
+ {{ "foo" is sequence }}
+ {{ [1] is sequence }}
+ {{ range is callable }}
+ {{ 42 is callable }}
+ {{ range(5) is iterable }}
+ ''')
+ assert tmpl.render().split() == [
+ 'False', 'True', 'False', 'True', 'True', 'False',
+ 'True', 'True', 'True', 'True', 'False', 'True'
+ ]
+
+ def test_sequence(self):
+ tmpl = env.from_string(
+ '{{ [1, 2, 3] is sequence }}|'
+ '{{ "foo" is sequence }}|'
+ '{{ 42 is sequence }}'
+ )
+ assert tmpl.render() == 'True|True|False'
+
+ def test_upper(self):
+ tmpl = env.from_string('{{ "FOO" is upper }}|{{ "foo" is upper }}')
+ assert tmpl.render() == 'True|False'
+
+ def test_sameas(self):
+ tmpl = env.from_string('{{ foo is sameas false }}|'
+ '{{ 0 is sameas false }}')
+ assert tmpl.render(foo=False) == 'True|False'
+
+ def test_no_paren_for_arg1(self):
+ tmpl = env.from_string('{{ foo is sameas none }}')
+ assert tmpl.render(foo=None) == 'True'
+
+ def test_escaped(self):
+ env = Environment(autoescape=True)
+ tmpl = env.from_string('{{ x is escaped }}|{{ y is escaped }}')
+ assert tmpl.render(x='foo', y=Markup('foo')) == 'False|True'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(TestsTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/utils.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/utils.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/utils.py
new file mode 100644
index 0000000..a402bbc
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/utils.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.utils
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests utilities jinja uses.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import gc
+import unittest
+
+import pickle
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, Undefined, DebugUndefined, \
+ StrictUndefined, UndefinedError, Template, meta
+from jinja2.utils import LRUCache, escape, object_type_repr
+
+
+class LRUCacheTestCase(JinjaTestCase):
+
+ def test_simple(self):
+ d = LRUCache(3)
+ d["a"] = 1
+ d["b"] = 2
+ d["c"] = 3
+ d["a"]
+ d["d"] = 4
+ assert len(d) == 3
+ assert 'a' in d and 'c' in d and 'd' in d and 'b' not in d
+
+ def test_pickleable(self):
+ cache = LRUCache(2)
+ cache["foo"] = 42
+ cache["bar"] = 23
+ cache["foo"]
+
+ for protocol in range(3):
+ copy = pickle.loads(pickle.dumps(cache, protocol))
+ assert copy.capacity == cache.capacity
+ assert copy._mapping == cache._mapping
+ assert copy._queue == cache._queue
+
+
+class HelpersTestCase(JinjaTestCase):
+
+ def test_object_type_repr(self):
+ class X(object):
+ pass
+ self.assert_equal(object_type_repr(42), 'int object')
+ self.assert_equal(object_type_repr([]), 'list object')
+ self.assert_equal(object_type_repr(X()),
+ 'jinja2.testsuite.utils.X object')
+ self.assert_equal(object_type_repr(None), 'None')
+ self.assert_equal(object_type_repr(Ellipsis), 'Ellipsis')
+
+
+class MarkupLeakTestCase(JinjaTestCase):
+
+ def test_markup_leaks(self):
+ counts = set()
+ for count in xrange(20):
+ for item in xrange(1000):
+ escape("foo")
+ escape("<foo>")
+ escape(u"foo")
+ escape(u"<foo>")
+ counts.add(len(gc.get_objects()))
+ assert len(counts) == 1, 'ouch, c extension seems to leak objects'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(LRUCacheTestCase))
+ suite.addTest(unittest.makeSuite(HelpersTestCase))
+
+ # this test only tests the c extension
+ if not hasattr(escape, 'func_code'):
+ suite.addTest(unittest.makeSuite(MarkupLeakTestCase))
+
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/utils.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/utils.py b/ambari-common/src/main/python/jinja2/jinja2/utils.py
new file mode 100644
index 0000000..7b77b8e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/utils.py
@@ -0,0 +1,601 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.utils
+ ~~~~~~~~~~~~
+
+ Utility functions.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+import sys
+import errno
+try:
+ from thread import allocate_lock
+except ImportError:
+ from dummy_thread import allocate_lock
+from collections import deque
+from itertools import imap
+
+
+_word_split_re = re.compile(r'(\s+)')
+_punctuation_re = re.compile(
+ '^(?P<lead>(?:%s)*)(?P<middle>.*?)(?P<trail>(?:%s)*)$' % (
+ '|'.join(imap(re.escape, ('(', '<', '<'))),
+ '|'.join(imap(re.escape, ('.', ',', ')', '>', '\n', '>')))
+ )
+)
+_simple_email_re = re.compile(r'^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$')
+_striptags_re = re.compile(r'(<!--.*?-->|<[^>]*>)')
+_entity_re = re.compile(r'&([^;]+);')
+_letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
+_digits = '0123456789'
+
+# special singleton representing missing values for the runtime
+missing = type('MissingType', (), {'__repr__': lambda x: 'missing'})()
+
+# internal code
+internal_code = set()
+
+
+# concatenate a list of strings and convert them to unicode.
+# unfortunately there is a bug in python 2.4 and lower that causes
+# unicode.join trash the traceback.
+_concat = u''.join
+try:
+ def _test_gen_bug():
+ raise TypeError(_test_gen_bug)
+ yield None
+ _concat(_test_gen_bug())
+except TypeError, _error:
+ if not _error.args or _error.args[0] is not _test_gen_bug:
+ def concat(gen):
+ try:
+ return _concat(list(gen))
+ except:
+ # this hack is needed so that the current frame
+ # does not show up in the traceback.
+ exc_type, exc_value, tb = sys.exc_info()
+ raise exc_type, exc_value, tb.tb_next
+ else:
+ concat = _concat
+ del _test_gen_bug, _error
+
+
+# for python 2.x we create outselves a next() function that does the
+# basics without exception catching.
+try:
+ next = next
+except NameError:
+ def next(x):
+ return x.next()
+
+
+# if this python version is unable to deal with unicode filenames
+# when passed to encode we let this function encode it properly.
+# This is used in a couple of places. As far as Jinja is concerned
+# filenames are unicode *or* bytestrings in 2.x and unicode only in
+# 3.x because compile cannot handle bytes
+if sys.version_info < (3, 0):
+ def _encode_filename(filename):
+ if isinstance(filename, unicode):
+ return filename.encode('utf-8')
+ return filename
+else:
+ def _encode_filename(filename):
+ assert filename is None or isinstance(filename, str), \
+ 'filenames must be strings'
+ return filename
+
+from keyword import iskeyword as is_python_keyword
+
+
+# common types. These do exist in the special types module too which however
+# does not exist in IronPython out of the box. Also that way we don't have
+# to deal with implementation specific stuff here
+class _C(object):
+ def method(self): pass
+def _func():
+ yield None
+FunctionType = type(_func)
+GeneratorType = type(_func())
+MethodType = type(_C.method)
+CodeType = type(_C.method.func_code)
+try:
+ raise TypeError()
+except TypeError:
+ _tb = sys.exc_info()[2]
+ TracebackType = type(_tb)
+ FrameType = type(_tb.tb_frame)
+del _C, _tb, _func
+
+
+def contextfunction(f):
+ """This decorator can be used to mark a function or method context callable.
+ A context callable is passed the active :class:`Context` as first argument when
+ called from the template. This is useful if a function wants to get access
+ to the context or functions provided on the context object. For example
+ a function that returns a sorted list of template variables the current
+ template exports could look like this::
+
+ @contextfunction
+ def get_exported_names(context):
+ return sorted(context.exported_vars)
+ """
+ f.contextfunction = True
+ return f
+
+
+def evalcontextfunction(f):
+ """This decoraotr can be used to mark a function or method as an eval
+ context callable. This is similar to the :func:`contextfunction`
+ but instead of passing the context, an evaluation context object is
+ passed. For more information about the eval context, see
+ :ref:`eval-context`.
+
+ .. versionadded:: 2.4
+ """
+ f.evalcontextfunction = True
+ return f
+
+
+def environmentfunction(f):
+ """This decorator can be used to mark a function or method as environment
+ callable. This decorator works exactly like the :func:`contextfunction`
+ decorator just that the first argument is the active :class:`Environment`
+ and not context.
+ """
+ f.environmentfunction = True
+ return f
+
+
+def internalcode(f):
+ """Marks the function as internally used"""
+ internal_code.add(f.func_code)
+ return f
+
+
+def is_undefined(obj):
+ """Check if the object passed is undefined. This does nothing more than
+ performing an instance check against :class:`Undefined` but looks nicer.
+ This can be used for custom filters or tests that want to react to
+ undefined variables. For example a custom default filter can look like
+ this::
+
+ def default(var, default=''):
+ if is_undefined(var):
+ return default
+ return var
+ """
+ from jinja2.runtime import Undefined
+ return isinstance(obj, Undefined)
+
+
+def consume(iterable):
+ """Consumes an iterable without doing anything with it."""
+ for event in iterable:
+ pass
+
+
+def clear_caches():
+ """Jinja2 keeps internal caches for environments and lexers. These are
+ used so that Jinja2 doesn't have to recreate environments and lexers all
+ the time. Normally you don't have to care about that but if you are
+ messuring memory consumption you may want to clean the caches.
+ """
+ from jinja2.environment import _spontaneous_environments
+ from jinja2.lexer import _lexer_cache
+ _spontaneous_environments.clear()
+ _lexer_cache.clear()
+
+
+def import_string(import_name, silent=False):
+ """Imports an object based on a string. This use useful if you want to
+ use import paths as endpoints or something similar. An import path can
+ be specified either in dotted notation (``xml.sax.saxutils.escape``)
+ or with a colon as object delimiter (``xml.sax.saxutils:escape``).
+
+ If the `silent` is True the return value will be `None` if the import
+ fails.
+
+ :return: imported object
+ """
+ try:
+ if ':' in import_name:
+ module, obj = import_name.split(':', 1)
+ elif '.' in import_name:
+ items = import_name.split('.')
+ module = '.'.join(items[:-1])
+ obj = items[-1]
+ else:
+ return __import__(import_name)
+ return getattr(__import__(module, None, None, [obj]), obj)
+ except (ImportError, AttributeError):
+ if not silent:
+ raise
+
+
+def open_if_exists(filename, mode='rb'):
+ """Returns a file descriptor for the filename if that file exists,
+ otherwise `None`.
+ """
+ try:
+ return open(filename, mode)
+ except IOError, e:
+ if e.errno not in (errno.ENOENT, errno.EISDIR):
+ raise
+
+
+def object_type_repr(obj):
+ """Returns the name of the object's type. For some recognized
+ singletons the name of the object is returned instead. (For
+ example for `None` and `Ellipsis`).
+ """
+ if obj is None:
+ return 'None'
+ elif obj is Ellipsis:
+ return 'Ellipsis'
+ # __builtin__ in 2.x, builtins in 3.x
+ if obj.__class__.__module__ in ('__builtin__', 'builtins'):
+ name = obj.__class__.__name__
+ else:
+ name = obj.__class__.__module__ + '.' + obj.__class__.__name__
+ return '%s object' % name
+
+
+def pformat(obj, verbose=False):
+ """Prettyprint an object. Either use the `pretty` library or the
+ builtin `pprint`.
+ """
+ try:
+ from pretty import pretty
+ return pretty(obj, verbose=verbose)
+ except ImportError:
+ from pprint import pformat
+ return pformat(obj)
+
+
+def urlize(text, trim_url_limit=None, nofollow=False):
+ """Converts any URLs in text into clickable links. Works on http://,
+ https:// and www. links. Links can have trailing punctuation (periods,
+ commas, close-parens) and leading punctuation (opening parens) and
+ it'll still do the right thing.
+
+ If trim_url_limit is not None, the URLs in link text will be limited
+ to trim_url_limit characters.
+
+ If nofollow is True, the URLs in link text will get a rel="nofollow"
+ attribute.
+ """
+ trim_url = lambda x, limit=trim_url_limit: limit is not None \
+ and (x[:limit] + (len(x) >=limit and '...'
+ or '')) or x
+ words = _word_split_re.split(unicode(escape(text)))
+ nofollow_attr = nofollow and ' rel="nofollow"' or ''
+ for i, word in enumerate(words):
+ match = _punctuation_re.match(word)
+ if match:
+ lead, middle, trail = match.groups()
+ if middle.startswith('www.') or (
+ '@' not in middle and
+ not middle.startswith('http://') and
+ len(middle) > 0 and
+ middle[0] in _letters + _digits and (
+ middle.endswith('.org') or
+ middle.endswith('.net') or
+ middle.endswith('.com')
+ )):
+ middle = '<a href="http://%s"%s>%s</a>' % (middle,
+ nofollow_attr, trim_url(middle))
+ if middle.startswith('http://') or \
+ middle.startswith('https://'):
+ middle = '<a href="%s"%s>%s</a>' % (middle,
+ nofollow_attr, trim_url(middle))
+ if '@' in middle and not middle.startswith('www.') and \
+ not ':' in middle and _simple_email_re.match(middle):
+ middle = '<a href="mailto:%s">%s</a>' % (middle, middle)
+ if lead + middle + trail != word:
+ words[i] = lead + middle + trail
+ return u''.join(words)
+
+
+def generate_lorem_ipsum(n=5, html=True, min=20, max=100):
+ """Generate some lorem impsum for the template."""
+ from jinja2.constants import LOREM_IPSUM_WORDS
+ from random import choice, randrange
+ words = LOREM_IPSUM_WORDS.split()
+ result = []
+
+ for _ in xrange(n):
+ next_capitalized = True
+ last_comma = last_fullstop = 0
+ word = None
+ last = None
+ p = []
+
+ # each paragraph contains out of 20 to 100 words.
+ for idx, _ in enumerate(xrange(randrange(min, max))):
+ while True:
+ word = choice(words)
+ if word != last:
+ last = word
+ break
+ if next_capitalized:
+ word = word.capitalize()
+ next_capitalized = False
+ # add commas
+ if idx - randrange(3, 8) > last_comma:
+ last_comma = idx
+ last_fullstop += 2
+ word += ','
+ # add end of sentences
+ if idx - randrange(10, 20) > last_fullstop:
+ last_comma = last_fullstop = idx
+ word += '.'
+ next_capitalized = True
+ p.append(word)
+
+ # ensure that the paragraph ends with a dot.
+ p = u' '.join(p)
+ if p.endswith(','):
+ p = p[:-1] + '.'
+ elif not p.endswith('.'):
+ p += '.'
+ result.append(p)
+
+ if not html:
+ return u'\n\n'.join(result)
+ return Markup(u'\n'.join(u'<p>%s</p>' % escape(x) for x in result))
+
+
+class LRUCache(object):
+ """A simple LRU Cache implementation."""
+
+ # this is fast for small capacities (something below 1000) but doesn't
+ # scale. But as long as it's only used as storage for templates this
+ # won't do any harm.
+
+ def __init__(self, capacity):
+ self.capacity = capacity
+ self._mapping = {}
+ self._queue = deque()
+ self._postinit()
+
+ def _postinit(self):
+ # alias all queue methods for faster lookup
+ self._popleft = self._queue.popleft
+ self._pop = self._queue.pop
+ if hasattr(self._queue, 'remove'):
+ self._remove = self._queue.remove
+ self._wlock = allocate_lock()
+ self._append = self._queue.append
+
+ def _remove(self, obj):
+ """Python 2.4 compatibility."""
+ for idx, item in enumerate(self._queue):
+ if item == obj:
+ del self._queue[idx]
+ break
+
+ def __getstate__(self):
+ return {
+ 'capacity': self.capacity,
+ '_mapping': self._mapping,
+ '_queue': self._queue
+ }
+
+ def __setstate__(self, d):
+ self.__dict__.update(d)
+ self._postinit()
+
+ def __getnewargs__(self):
+ return (self.capacity,)
+
+ def copy(self):
+ """Return an shallow copy of the instance."""
+ rv = self.__class__(self.capacity)
+ rv._mapping.update(self._mapping)
+ rv._queue = deque(self._queue)
+ return rv
+
+ def get(self, key, default=None):
+ """Return an item from the cache dict or `default`"""
+ try:
+ return self[key]
+ except KeyError:
+ return default
+
+ def setdefault(self, key, default=None):
+ """Set `default` if the key is not in the cache otherwise
+ leave unchanged. Return the value of this key.
+ """
+ try:
+ return self[key]
+ except KeyError:
+ self[key] = default
+ return default
+
+ def clear(self):
+ """Clear the cache."""
+ self._wlock.acquire()
+ try:
+ self._mapping.clear()
+ self._queue.clear()
+ finally:
+ self._wlock.release()
+
+ def __contains__(self, key):
+ """Check if a key exists in this cache."""
+ return key in self._mapping
+
+ def __len__(self):
+ """Return the current size of the cache."""
+ return len(self._mapping)
+
+ def __repr__(self):
+ return '<%s %r>' % (
+ self.__class__.__name__,
+ self._mapping
+ )
+
+ def __getitem__(self, key):
+ """Get an item from the cache. Moves the item up so that it has the
+ highest priority then.
+
+ Raise an `KeyError` if it does not exist.
+ """
+ rv = self._mapping[key]
+ if self._queue[-1] != key:
+ try:
+ self._remove(key)
+ except ValueError:
+ # if something removed the key from the container
+ # when we read, ignore the ValueError that we would
+ # get otherwise.
+ pass
+ self._append(key)
+ return rv
+
+ def __setitem__(self, key, value):
+ """Sets the value for an item. Moves the item up so that it
+ has the highest priority then.
+ """
+ self._wlock.acquire()
+ try:
+ if key in self._mapping:
+ try:
+ self._remove(key)
+ except ValueError:
+ # __getitem__ is not locked, it might happen
+ pass
+ elif len(self._mapping) == self.capacity:
+ del self._mapping[self._popleft()]
+ self._append(key)
+ self._mapping[key] = value
+ finally:
+ self._wlock.release()
+
+ def __delitem__(self, key):
+ """Remove an item from the cache dict.
+ Raise an `KeyError` if it does not exist.
+ """
+ self._wlock.acquire()
+ try:
+ del self._mapping[key]
+ try:
+ self._remove(key)
+ except ValueError:
+ # __getitem__ is not locked, it might happen
+ pass
+ finally:
+ self._wlock.release()
+
+ def items(self):
+ """Return a list of items."""
+ result = [(key, self._mapping[key]) for key in list(self._queue)]
+ result.reverse()
+ return result
+
+ def iteritems(self):
+ """Iterate over all items."""
+ return iter(self.items())
+
+ def values(self):
+ """Return a list of all values."""
+ return [x[1] for x in self.items()]
+
+ def itervalue(self):
+ """Iterate over all values."""
+ return iter(self.values())
+
+ def keys(self):
+ """Return a list of all keys ordered by most recent usage."""
+ return list(self)
+
+ def iterkeys(self):
+ """Iterate over all keys in the cache dict, ordered by
+ the most recent usage.
+ """
+ return reversed(tuple(self._queue))
+
+ __iter__ = iterkeys
+
+ def __reversed__(self):
+ """Iterate over the values in the cache dict, oldest items
+ coming first.
+ """
+ return iter(tuple(self._queue))
+
+ __copy__ = copy
+
+
+# register the LRU cache as mutable mapping if possible
+try:
+ from collections import MutableMapping
+ MutableMapping.register(LRUCache)
+except ImportError:
+ pass
+
+
+class Cycler(object):
+ """A cycle helper for templates."""
+
+ def __init__(self, *items):
+ if not items:
+ raise RuntimeError('at least one item has to be provided')
+ self.items = items
+ self.reset()
+
+ def reset(self):
+ """Resets the cycle."""
+ self.pos = 0
+
+ @property
+ def current(self):
+ """Returns the current item."""
+ return self.items[self.pos]
+
+ def next(self):
+ """Goes one item ahead and returns it."""
+ rv = self.current
+ self.pos = (self.pos + 1) % len(self.items)
+ return rv
+
+
+class Joiner(object):
+ """A joining helper for templates."""
+
+ def __init__(self, sep=u', '):
+ self.sep = sep
+ self.used = False
+
+ def __call__(self):
+ if not self.used:
+ self.used = True
+ return u''
+ return self.sep
+
+
+# try markupsafe first, if that fails go with Jinja2's bundled version
+# of markupsafe. Markupsafe was previously Jinja2's implementation of
+# the Markup object but was moved into a separate package in a patchleve
+# release
+try:
+ from markupsafe import Markup, escape, soft_unicode
+except ImportError:
+ from jinja2._markupsafe import Markup, escape, soft_unicode
+
+
+# partials
+try:
+ from functools import partial
+except ImportError:
+ class partial(object):
+ def __init__(self, _func, *args, **kwargs):
+ self._func = _func
+ self._args = args
+ self._kwargs = kwargs
+ def __call__(self, *args, **kwargs):
+ kwargs.update(self._kwargs)
+ return self._func(*(self._args + args), **kwargs)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/visitor.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/visitor.py b/ambari-common/src/main/python/jinja2/jinja2/visitor.py
new file mode 100644
index 0000000..413e7c3
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/visitor.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.visitor
+ ~~~~~~~~~~~~~~
+
+ This module implements a visitor for the nodes.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+from jinja2.nodes import Node
+
+
+class NodeVisitor(object):
+ """Walks the abstract syntax tree and call visitor functions for every
+ node found. The visitor functions may return values which will be
+ forwarded by the `visit` method.
+
+ Per default the visitor functions for the nodes are ``'visit_'`` +
+ class name of the node. So a `TryFinally` node visit function would
+ be `visit_TryFinally`. This behavior can be changed by overriding
+ the `get_visitor` function. If no visitor function exists for a node
+ (return value `None`) the `generic_visit` visitor is used instead.
+ """
+
+ def get_visitor(self, node):
+ """Return the visitor function for this node or `None` if no visitor
+ exists for this node. In that case the generic visit function is
+ used instead.
+ """
+ method = 'visit_' + node.__class__.__name__
+ return getattr(self, method, None)
+
+ def visit(self, node, *args, **kwargs):
+ """Visit a node."""
+ f = self.get_visitor(node)
+ if f is not None:
+ return f(node, *args, **kwargs)
+ return self.generic_visit(node, *args, **kwargs)
+
+ def generic_visit(self, node, *args, **kwargs):
+ """Called if no explicit visitor function exists for a node."""
+ for node in node.iter_child_nodes():
+ self.visit(node, *args, **kwargs)
+
+
+class NodeTransformer(NodeVisitor):
+ """Walks the abstract syntax tree and allows modifications of nodes.
+
+ The `NodeTransformer` will walk the AST and use the return value of the
+ visitor functions to replace or remove the old node. If the return
+ value of the visitor function is `None` the node will be removed
+ from the previous location otherwise it's replaced with the return
+ value. The return value may be the original node in which case no
+ replacement takes place.
+ """
+
+ def generic_visit(self, node, *args, **kwargs):
+ for field, old_value in node.iter_fields():
+ if isinstance(old_value, list):
+ new_values = []
+ for value in old_value:
+ if isinstance(value, Node):
+ value = self.visit(value, *args, **kwargs)
+ if value is None:
+ continue
+ elif not isinstance(value, Node):
+ new_values.extend(value)
+ continue
+ new_values.append(value)
+ old_value[:] = new_values
+ elif isinstance(old_value, Node):
+ new_node = self.visit(old_value, *args, **kwargs)
+ if new_node is None:
+ delattr(node, field)
+ else:
+ setattr(node, field, new_node)
+ return node
+
+ def visit_list(self, node, *args, **kwargs):
+ """As transformers may return lists in some places this method
+ can be used to enforce a list as return value.
+ """
+ rv = self.visit(node, *args, **kwargs)
+ if not isinstance(rv, list):
+ rv = [rv]
+ return rv
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/scripts/pylintrc
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/scripts/pylintrc b/ambari-common/src/main/python/jinja2/scripts/pylintrc
new file mode 100644
index 0000000..4f85b49
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/scripts/pylintrc
@@ -0,0 +1,301 @@
+# lint Python modules using external checkers.
+#
+# This is the main checker controling the other ones and the reports
+# generation. It is itself both a raw checker and an astng checker in order
+# to:
+# * handle message activation / deactivation at the module level
+# * handle some basic but necessary stats'data (number of classes, methods...)
+#
+[MASTER]
+
+# Specify a configuration file.
+#rcfile=
+
+# Profiled execution.
+profile=no
+
+# Add <file or directory> to the black list. It should be a base name, not a
+# path. You may set this option multiple times.
+ignore=.svn
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Set the cache size for astng objects.
+cache-size=500
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+
+[MESSAGES CONTROL]
+
+# Enable only checker(s) with the given id(s). This option conflict with the
+# disable-checker option
+#enable-checker=
+
+# Enable all checker(s) except those with the given id(s). This option conflict
+# with the disable-checker option
+#disable-checker=
+
+# Enable all messages in the listed categories.
+#enable-msg-cat=
+
+# Disable all messages in the listed categories.
+#disable-msg-cat=
+
+# Enable the message(s) with the given id(s).
+#enable-msg=
+
+# Disable the message(s) with the given id(s).
+disable-msg=C0323,W0142,C0301,C0103,C0111,E0213,C0302,C0203,W0703,R0201
+
+
+[REPORTS]
+
+# set the output format. Available formats are text, parseable, colorized and
+# html
+output-format=colorized
+
+# Include message's id in output
+include-ids=yes
+
+# Put messages in a separate file for each module / package specified on the
+# command line instead of printing them on stdout. Reports (if any) will be
+# written in a file name "pylint_global.[txt|html]".
+files-output=no
+
+# Tells wether to display a full report or only the messages
+reports=yes
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note).You have access to the variables errors warning, statement which
+# respectivly contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (R0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Add a comment according to your evaluation note. This is used by the global
+# evaluation report (R0004).
+comment=no
+
+# Enable the report(s) with the given id(s).
+#enable-report=
+
+# Disable the report(s) with the given id(s).
+#disable-report=
+
+
+# checks for
+# * unused variables / imports
+# * undefined variables
+# * redefinition of variable from builtins or from an outer scope
+# * use of variable before assigment
+#
+[VARIABLES]
+
+# Tells wether we should check for unused import in __init__ files.
+init-import=no
+
+# A regular expression matching names used for dummy variables (i.e. not used).
+dummy-variables-rgx=_|dummy
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+
+# try to find bugs in the code using type inference
+#
+[TYPECHECK]
+
+# Tells wether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# When zope mode is activated, consider the acquired-members option to ignore
+# access to some undefined attributes.
+zope=no
+
+# List of members which are usually get through zope's acquisition mecanism and
+# so shouldn't trigger E0201 when accessed (need zope=yes to be considered).
+acquired-members=REQUEST,acl_users,aq_parent
+
+
+# checks for :
+# * doc strings
+# * modules / classes / functions / methods / arguments / variables name
+# * number of arguments, local variables, branchs, returns and statements in
+# functions, methods
+# * required module attributes
+# * dangerous default values as arguments
+# * redefinition of function / method / class
+# * uses of the global statement
+#
+[BASIC]
+
+# Required attributes for module, separated by a comma
+required-attributes=
+
+# Regular expression which should only match functions or classes name which do
+# not require a docstring
+no-docstring-rgx=__.*__
+
+# Regular expression which should only match correct module names
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Regular expression which should only match correct module level names
+const-rgx=(([A-Z_][A-Z1-9_]*)|(__.*__))$
+
+# Regular expression which should only match correct class names
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+# Regular expression which should only match correct function names
+function-rgx=[a-z_][a-z0-9_]*$
+
+# Regular expression which should only match correct method names
+method-rgx=[a-z_][a-z0-9_]*$
+
+# Regular expression which should only match correct instance attribute names
+attr-rgx=[a-z_][a-z0-9_]*$
+
+# Regular expression which should only match correct argument names
+argument-rgx=[a-z_][a-z0-9_]*$
+
+# Regular expression which should only match correct variable names
+variable-rgx=[a-z_][a-z0-9_]*$
+
+# Regular expression which should only match correct list comprehension /
+# generator expression variable names
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=i,j,k,ex,Run,_
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,bar,baz,toto,tutu,tata
+
+# List of builtins function names that should not be used, separated by a comma
+bad-functions=apply,input
+
+
+# checks for sign of poor/misdesign:
+# * number of methods, attributes, local variables...
+# * size, complexity of functions, methods
+#
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=12
+
+# Maximum number of locals for function / method body
+max-locals=30
+
+# Maximum number of return / yield for function / method body
+max-returns=12
+
+# Maximum number of branch for function / method body
+max-branchs=30
+
+# Maximum number of statements in function / method body
+max-statements=60
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=20
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=0
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+
+# checks for
+# * external modules dependencies
+# * relative / wildcard imports
+# * cyclic imports
+# * uses of deprecated modules
+#
+[IMPORTS]
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=regsub,string,TERMIOS,Bastion,rexec
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report R0402 must not be disabled)
+import-graph=
+
+# Create a graph of external dependencies in the given file (report R0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of internal dependencies in the given file (report R0402 must
+# not be disabled)
+int-import-graph=
+
+
+# checks for :
+# * methods without self as first argument
+# * overridden methods signature
+# * access only to existant members via self
+# * attributes not defined in the __init__ method
+# * supported interfaces implementation
+# * unreachable code
+#
+[CLASSES]
+
+# List of interface methods to ignore, separated by a comma. This is used for
+# instance to not check methods defines in Zope's Interface base class.
+ignore-iface-methods=isImplementedBy,deferred,extends,names,namesAndDescriptions,queryDescriptionFor,getBases,getDescriptionFor,getDoc,getName,getTaggedValue,getTaggedValueTags,isEqualOrExtendedBy,setTaggedValue,isImplementedByInstancesOf,adaptWith,is_implemented_by
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,__new__,setUp
+
+
+# checks for similarities and duplicated code. This computation may be
+# memory / CPU intensive, so you should disable it if you experiments some
+# problems.
+#
+[SIMILARITIES]
+
+# Minimum lines number of a similarity.
+min-similarity-lines=10
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+
+# checks for:
+# * warning notes in the code like FIXME, XXX
+# * PEP 263: source code with non ascii character but no encoding declaration
+#
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,XXX,TODO
+
+
+# checks for :
+# * unauthorized constructions
+# * strict indentation
+# * line length
+# * use of <> instead of !=
+#
+[FORMAT]
+
+# Maximum number of characters on a single line.
+max-line-length=90
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
+# tab).
+indent-string=' '
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/setup.cfg
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/setup.cfg b/ambari-common/src/main/python/jinja2/setup.cfg
new file mode 100644
index 0000000..2d74c58
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/setup.cfg
@@ -0,0 +1,6 @@
+[egg_info]
+tag_build = dev
+tag_date = true
+
+[aliases]
+release = egg_info -RDb ''
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/setup.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/setup.py b/ambari-common/src/main/python/jinja2/setup.py
new file mode 100644
index 0000000..7956d19
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/setup.py
@@ -0,0 +1,110 @@
+# -*- coding: utf-8 -*-
+"""
+Jinja2
+~~~~~~
+
+Jinja2 is a template engine written in pure Python. It provides a
+`Django`_ inspired non-XML syntax but supports inline expressions and
+an optional `sandboxed`_ environment.
+
+Nutshell
+--------
+
+Here a small example of a Jinja template::
+
+ {% extends 'base.html' %}
+ {% block title %}Memberlist{% endblock %}
+ {% block content %}
+ <ul>
+ {% for user in users %}
+ <li><a href="{{ user.url }}">{{ user.username }}</a></li>
+ {% endfor %}
+ </ul>
+ {% endblock %}
+
+Philosophy
+----------
+
+Application logic is for the controller but don't try to make the life
+for the template designer too hard by giving him too few functionality.
+
+For more informations visit the new `Jinja2 webpage`_ and `documentation`_.
+
+.. _sandboxed: http://en.wikipedia.org/wiki/Sandbox_(computer_security)
+.. _Django: http://www.djangoproject.com/
+.. _Jinja2 webpage: http://jinja.pocoo.org/
+.. _documentation: http://jinja.pocoo.org/2/documentation/
+"""
+import sys
+
+from setuptools import setup, Extension, Feature
+
+debugsupport = Feature(
+ 'optional C debug support',
+ standard=False,
+ ext_modules = [
+ Extension('jinja2._debugsupport', ['jinja2/_debugsupport.c']),
+ ],
+)
+
+
+# tell distribute to use 2to3 with our own fixers.
+extra = {}
+if sys.version_info >= (3, 0):
+ extra.update(
+ use_2to3=True,
+ use_2to3_fixers=['custom_fixers']
+ )
+
+# ignore the old '--with-speedups' flag
+try:
+ speedups_pos = sys.argv.index('--with-speedups')
+except ValueError:
+ pass
+else:
+ sys.argv[speedups_pos] = '--with-debugsupport'
+ sys.stderr.write('*' * 74 + '\n')
+ sys.stderr.write('WARNING:\n')
+ sys.stderr.write(' the --with-speedups flag is deprecated, assuming '
+ '--with-debugsupport\n')
+ sys.stderr.write(' For the actual speedups install the MarkupSafe '
+ 'package.\n')
+ sys.stderr.write('*' * 74 + '\n')
+
+
+setup(
+ name='Jinja2',
+ version='2.5.5',
+ url='http://jinja.pocoo.org/',
+ license='BSD',
+ author='Armin Ronacher',
+ author_email='armin.ronacher@active-4.com',
+ description='A small but fast and easy to use stand-alone template '
+ 'engine written in pure python.',
+ long_description=__doc__,
+ # jinja is egg safe. But we hate eggs
+ zip_safe=False,
+ classifiers=[
+ 'Development Status :: 5 - Production/Stable',
+ 'Environment :: Web Environment',
+ 'Intended Audience :: Developers',
+ 'License :: OSI Approved :: BSD License',
+ 'Operating System :: OS Independent',
+ 'Programming Language :: Python',
+ 'Programming Language :: Python :: 3',
+ 'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
+ 'Topic :: Software Development :: Libraries :: Python Modules',
+ 'Topic :: Text Processing :: Markup :: HTML'
+ ],
+ packages=['jinja2', 'jinja2.testsuite', 'jinja2.testsuite.res',
+ 'jinja2._markupsafe'],
+ extras_require={'i18n': ['Babel>=0.8']},
+ test_suite='jinja2.testsuite.suite',
+ include_package_data=True,
+ entry_points="""
+ [babel.extractors]
+ jinja2 = jinja2.ext:babel_extract[i18n]
+ """,
+ features={'debugsupport': debugsupport},
+ **extra
+)
[07/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_stringdefs.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_stringdefs.py b/ambari-common/src/main/python/jinja2/jinja2/_stringdefs.py
new file mode 100644
index 0000000..1161b7f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_stringdefs.py
@@ -0,0 +1,130 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2._stringdefs
+ ~~~~~~~~~~~~~~~~~~
+
+ Strings of all Unicode characters of a certain category.
+ Used for matching in Unicode-aware languages. Run to regenerate.
+
+ Inspired by chartypes_create.py from the MoinMoin project, original
+ implementation from Pygments.
+
+ :copyright: Copyright 2006-2009 by the Jinja team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+Cc = u'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f'
+
+Cf = u'\xad\u0600\u0601\u0602\u0603\u06dd\u070f\u17b4\u17b5\u200b\u200c\u200d\u200e\u200f\u202a\u202b\u202c\u202d\u202e\u2060\u2061\u2062\u2063\u206a\u206b\u206c\u206d\u206e\u206f\ufeff\ufff9\ufffa\ufffb'
+
+Cn = u'\u0242\u0243\u0244\u0245\u0246\u0247\u0248\u0249\u024a\u024b\u024c\u024d\u024e\u024f\u0370\u0371\u0372\u0373\u0376\u0377\u0378\u0379\u037b\u037c\u037d\u037f\u0380\u0381\u0382\u0383\u038b\u038d\u03a2\u03cf\u0487\u04cf\u04fa\u04fb\u04fc\u04fd\u04fe\u04ff\u0510\u0511\u0512\u0513\u0514\u0515\u0516\u0517\u0518\u0519\u051a\u051b\u051c\u051d\u051e\u051f\u0520\u0521\u0522\u0523\u0524\u0525\u0526\u0527\u0528\u0529\u052a\u052b\u052c\u052d\u052e\u052f\u0530\u0557\u0558\u0560\u0588\u058b\u058c\u058d\u058e\u058f\u0590\u05ba\u05c8\u05c9\u05ca\u05cb\u05cc\u05cd\u05ce\u05cf\u05eb\u05ec\u05ed\u05ee\u05ef\u05f5\u05f6\u05f7\u05f8\u05f9\u05fa\u05fb\u05fc\u05fd\u05fe\u05ff\u0604\u0605\u0606\u0607\u0608\u0609\u060a\u0616\u0617\u0618\u0619\u061a\u061c\u061d\u0620\u063b\u063c\u063d\u063e\u063f\u065f\u070e\u074b\u074c\u076e\u076f\u0770\u0771\u0772\u0773\u0774\u0775\u0776\u0777\u0778\u0779\u077a\u077b\u077c\u077d\u077e\u077f\u07b2\u07b3\u07b4\u07b5\u07b6\u07b7\u07b8\u07b9\u07ba\u07bb\u07bc\u07bd\u07be
\u07bf\u07c0\u07c1\u07c2\u07c3\u07c4\u07c5\u07c6\u07c7\u07c8\u07c9\u07ca\u07cb\u07cc\u07cd\u07ce\u07cf\u07d0\u07d1\u07d2\u07d3\u07d4\u07d5\u07d6\u07d7\u07d8\u07d9\u07da\u07db\u07dc\u07dd\u07de\u07df\u07e0\u07e1\u07e2\u07e3\u07e4\u07e5\u07e6\u07e7\u07e8\u07e9\u07ea\u07eb\u07ec\u07ed\u07ee\u07ef\u07f0\u07f1\u07f2\u07f3\u07f4\u07f5\u07f6\u07f7\u07f8\u07f9\u07fa\u07fb\u07fc\u07fd\u07fe\u07ff\u0800\u0801\u0802\u0803\u0804\u0805\u0806\u0807\u0808\u0809\u080a\u080b\u080c\u080d\u080e\u080f\u0810\u0811\u0812\u0813\u0814\u0815\u0816\u0817\u0818\u0819\u081a\u081b\u081c\u081d\u081e\u081f\u0820\u0821\u0822\u0823\u0824\u0825\u0826\u0827\u0828\u0829\u082a\u082b\u082c\u082d\u082e\u082f\u0830\u0831\u0832\u0833\u0834\u0835\u0836\u0837\u0838\u0839\u083a\u083b\u083c\u083d\u083e\u083f\u0840\u0841\u0842\u0843\u0844\u0845\u0846\u0847\u0848\u0849\u084a\u084b\u084c\u084d\u084e\u084f\u0850\u0851\u0852\u0853\u0854\u0855\u0856\u0857\u0858\u0859\u085a\u085b\u085c\u085d\u085e\u085f\u0860\u0861\u0862\u0863\u0864\
u0865\u0866\u0867\u0868\u0869\u086a\u086b\u086c\u086d\u086e\u086f\u0870\u0871\u0872\u0873\u0874\u0875\u0876\u0877\u0878\u0879\u087a\u087b\u087c\u087d\u087e\u087f\u0880\u0881\u0882\u0883\u0884\u0885\u0886\u0887\u0888\u0889\u088a\u088b\u088c\u088d\u088e\u088f\u0890\u0891\u0892\u0893\u0894\u0895\u0896\u0897\u0898\u0899\u089a\u089b\u089c\u089d\u089e\u089f\u08a0\u08a1\u08a2\u08a3\u08a4\u08a5\u08a6\u08a7\u08a8\u08a9\u08aa\u08ab\u08ac\u08ad\u08ae\u08af\u08b0\u08b1\u08b2\u08b3\u08b4\u08b5\u08b6\u08b7\u08b8\u08b9\u08ba\u08bb\u08bc\u08bd\u08be\u08bf\u08c0\u08c1\u08c2\u08c3\u08c4\u08c5\u08c6\u08c7\u08c8\u08c9\u08ca\u08cb\u08cc\u08cd\u08ce\u08cf\u08d0\u08d1\u08d2\u08d3\u08d4\u08d5\u08d6\u08d7\u08d8\u08d9\u08da\u08db\u08dc\u08dd\u08de\u08df\u08e0\u08e1\u08e2\u08e3\u08e4\u08e5\u08e6\u08e7\u08e8\u08e9\u08ea\u08eb\u08ec\u08ed\u08ee\u08ef\u08f0\u08f1\u08f2\u08f3\u08f4\u08f5\u08f6\u08f7\u08f8\u08f9\u08fa\u08fb\u08fc\u08fd\u08fe\u08ff\u0900\u093a\u093b\u094e\u094f\u0955\u0956\u0957\u0971\u0972\u0973\u
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a78\uaa79\uaa7a\uaa7b\uaa7c\uaa7d\uaa7e\uaa7f\uaa80\uaa81\uaa82\uaa83\uaa84\uaa85\uaa86\uaa87\uaa88\uaa89\uaa8a\uaa8b\uaa8c\uaa8d\uaa8e\uaa8f\uaa90\uaa91\uaa92\uaa93\uaa94\uaa95\uaa96\uaa97\uaa98\uaa99\uaa9a\uaa9b\uaa9c\uaa9d\uaa9e\uaa9f\uaaa0\uaaa1\uaaa2\uaaa3\uaaa4\uaaa5\uaaa6\uaaa7\uaaa8\uaaa9\uaaaa\uaaab\uaaac\uaaad\uaaae\uaaaf\uaab0\uaab1\uaab2\uaab3\uaab4\uaab5\uaab6\uaab7\uaab8\uaab9\uaaba\uaabb\uaabc\uaabd\uaabe\uaabf\uaac0\uaac1\uaac2\uaac3\uaac4\uaac5\uaac6\uaac7\uaac8\uaac9\uaaca\uaacb\uaacc\uaacd\uaace\uaacf\uaad0\uaad1\uaad2\uaad3\uaad4\uaad5\uaad6\uaad7\uaad8\uaad9\uaada\uaadb\uaadc\uaadd\uaade\uaadf\uaae0\uaae1\uaae2\uaae3\uaae4\uaae5\uaae6\uaae7\uaae8\uaae9\uaaea\uaaeb\uaaec\uaaed\uaaee\uaaef\uaaf0\uaaf1\uaaf2\uaaf3\uaaf4\uaaf5\uaaf6\uaaf7\uaaf8\uaaf9\uaafa\uaafb\uaafc\uaafd\uaafe\uaaff\uab00\uab01\uab02\uab03\uab04\uab05\uab06\uab07\uab08\uab09\uab0a\uab0b\uab0c\uab0d\uab0e\uab0f\uab10\uab11\uab12\uab13\uab14\uab15\uab16\uab17\uab18\uab19\uab1a\uab1b\uab1c\uab1d\uab
1e\uab1f\uab20\uab21\uab22\uab23\uab24\uab25\uab26\uab27\uab28\uab29\uab2a\uab2b\uab2c\uab2d\uab2e\uab2f\uab30\uab31\uab32\uab33\uab34\uab35\uab36\uab37\uab38\uab39\uab3a\uab3b\uab3c\uab3d\uab3e\uab3f\uab40\uab41\uab42\uab43\uab44\uab45\uab46\uab47\uab48\uab49\uab4a\uab4b\uab4c\uab4d\uab4e\uab4f\uab50\uab51\uab52\uab53\uab54\uab55\uab56\uab57\uab58\uab59\uab5a\uab5b\uab5c\uab5d\uab5e\uab5f\uab60\uab61\uab62\uab63\uab64\uab65\uab66\uab67\uab68\uab69\uab6a\uab6b\uab6c\uab6d\uab6e\uab6f\uab70\uab71\uab72\uab73\uab74\uab75\uab76\uab77\uab78\uab79\uab7a\uab7b\uab7c\uab7d\uab7e\uab7f\uab80\uab81\uab82\uab83\uab84\uab85\uab86\uab87\uab88\uab89\uab8a\uab8b\uab8c\uab8d\uab8e\uab8f\uab90\uab91\uab92\uab93\uab94\uab95\uab96\uab97\uab98\uab99\uab9a\uab9b\uab9c\uab9d\uab9e\uab9f\uaba0\uaba1\uaba2\uaba3\uaba4\uaba5\uaba6\uaba7\uaba8\uaba9\uabaa\uabab\uabac\uabad\uabae\uabaf\uabb0\uabb1\uabb2\uabb3\uabb4\uabb5\uabb6\uabb7\uabb8\uabb9\uabba\uabbb\uabbc\uabbd\uabbe\uabbf\uabc0\uabc1\uabc2\uabc3\uabc
4\uabc5\uabc6\uabc7\uabc8\uabc9\uabca\uabcb\uabcc\uabcd\uabce\uabcf\uabd0\uabd1\uabd2\uabd3\uabd4\uabd5\uabd6\uabd7\uabd8\uabd9\uabda\uabdb\uabdc\uabdd\uabde\uabdf\uabe0\uabe1\uabe2\uabe3\uabe4\uabe5\uabe6\uabe7\uabe8\uabe9\uabea\uabeb\uabec\uabed\uabee\uabef\uabf0\uabf1\uabf2\uabf3\uabf4\uabf5\uabf6\uabf7\uabf8\uabf9\uabfa\uabfb\uabfc\uabfd\uabfe\uabff\ud7a4\ud7a5\ud7a6\ud7a7\ud7a8\ud7a9\ud7aa\ud7ab\ud7ac\ud7ad\ud7ae\ud7af\ud7b0\ud7b1\ud7b2\ud7b3\ud7b4\ud7b5\ud7b6\ud7b7\ud7b8\ud7b9\ud7ba\ud7bb\ud7bc\ud7bd\ud7be\ud7bf\ud7c0\ud7c1\ud7c2\ud7c3\ud7c4\ud7c5\ud7c6\ud7c7\ud7c8\ud7c9\ud7ca\ud7cb\ud7cc\ud7cd\ud7ce\ud7cf\ud7d0\ud7d1\ud7d2\ud7d3\ud7d4\ud7d5\ud7d6\ud7d7\ud7d8\ud7d9\ud7da\ud7db\ud7dc\ud7dd\ud7de\ud7df\ud7e0\ud7e1\ud7e2\ud7e3\ud7e4\ud7e5\ud7e6\ud7e7\ud7e8\ud7e9\ud7ea\ud7eb\ud7ec\ud7ed\ud7ee\ud7ef\ud7f0\ud7f1\ud7f2\ud7f3\ud7f4\ud7f5\ud7f6\ud7f7\ud7f8\ud7f9\ud7fa\ud7fb\ud7fc\ud7fd\ud7fe\ud7ff\ufa2e\ufa2f\ufa6b\ufa6c\ufa6d\ufa6e\ufa6f\ufada\ufadb\ufadc\ufadd\ufade\ufadf\ufae0\ufae1
\ufae2\ufae3\ufae4\ufae5\ufae6\ufae7\ufae8\ufae9\ufaea\ufaeb\ufaec\ufaed\ufaee\ufaef\ufaf0\ufaf1\ufaf2\ufaf3\ufaf4\ufaf5\ufaf6\ufaf7\ufaf8\ufaf9\ufafa\ufafb\ufafc\ufafd\ufafe\ufaff\ufb07\ufb08\ufb09\ufb0a\ufb0b\ufb0c\ufb0d\ufb0e\ufb0f\ufb10\ufb11\ufb12\ufb18\ufb19\ufb1a\ufb1b\ufb1c\ufb37\ufb3d\ufb3f\ufb42\ufb45\ufbb2\ufbb3\ufbb4\ufbb5\ufbb6\ufbb7\ufbb8\ufbb9\ufbba\ufbbb\ufbbc\ufbbd\ufbbe\ufbbf\ufbc0\ufbc1\ufbc2\ufbc3\ufbc4\ufbc5\ufbc6\ufbc7\ufbc8\ufbc9\ufbca\ufbcb\ufbcc\ufbcd\ufbce\ufbcf\ufbd0\ufbd1\ufbd2\ufd40\ufd41\ufd42\ufd43\ufd44\ufd45\ufd46\ufd47\ufd48\ufd49\ufd4a\ufd4b\ufd4c\ufd4d\ufd4e\ufd4f\ufd90\ufd91\ufdc8\ufdc9\ufdca\ufdcb\ufdcc\ufdcd\ufdce\ufdcf\ufdd0\ufdd1\ufdd2\ufdd3\ufdd4\ufdd5\ufdd6\ufdd7\ufdd8\ufdd9\ufdda\ufddb\ufddc\ufddd\ufdde\ufddf\ufde0\ufde1\ufde2\ufde3\ufde4\ufde5\ufde6\ufde7\ufde8\ufde9\ufdea\ufdeb\ufdec\ufded\ufdee\ufdef\ufdfe\ufdff\ufe1a\ufe1b\ufe1c\ufe1d\ufe1e\ufe1f\ufe24\ufe25\ufe26\ufe27\ufe28\ufe29\ufe2a\ufe2b\ufe2c\ufe2d\ufe2e\ufe2f\ufe53\ufe67\ufe6c\
ufe6d\ufe6e\ufe6f\ufe75\ufefd\ufefe\uff00\uffbf\uffc0\uffc1\uffc8\uffc9\uffd0\uffd1\uffd8\uffd9\uffdd\uffde\uffdf\uffe7\uffef\ufff0\ufff1\ufff2\ufff3\ufff4\ufff5\ufff6\ufff7\ufff8\ufffe'
+
+Co = u'\ue000\ue001\ue002\ue003\ue004\ue005\ue006\ue007\ue008\ue009\ue00a\ue00b\ue00c\ue00d\ue00e\ue00f\ue010\ue011\ue012\ue013\ue014\ue015\ue016\ue017\ue018\ue019\ue01a\ue01b\ue01c\ue01d\ue01e\ue01f\ue020\ue021\ue022\ue023\ue024\ue025\ue026\ue027\ue028\ue029\ue02a\ue02b\ue02c\ue02d\ue02e\ue02f\ue030\ue031\ue032\ue033\ue034\ue035\ue036\ue037\ue038\ue039\ue03a\ue03b\ue03c\ue03d\ue03e\ue03f\ue040\ue041\ue042\ue043\ue044\ue045\ue046\ue047\ue048\ue049\ue04a\ue04b\ue04c\ue04d\ue04e\ue04f\ue050\ue051\ue052\ue053\ue054\ue055\ue056\ue057\ue058\ue059\ue05a\ue05b\ue05c\ue05d\ue05e\ue05f\ue060\ue061\ue062\ue063\ue064\ue065\ue066\ue067\ue068\ue069\ue06a\ue06b\ue06c\ue06d\ue06e\ue06f\ue070\ue071\ue072\ue073\ue074\ue075\ue076\ue077\ue078\ue079\ue07a\ue07b\ue07c\ue07d\ue07e\ue07f\ue080\ue081\ue082\ue083\ue084\ue085\ue086\ue087\ue088\ue089\ue08a\ue08b\ue08c\ue08d\ue08e\ue08f\ue090\ue091\ue092\ue093\ue094\ue095\ue096\ue097\ue098\ue099\ue09a\ue09b\ue09c\ue09d\ue09e\ue09f\ue0a0\ue0a1\ue0a2\ue0a3\ue0a4
\ue0a5\ue0a6\ue0a7\ue0a8\ue0a9\ue0aa\ue0ab\ue0ac\ue0ad\ue0ae\ue0af\ue0b0\ue0b1\ue0b2\ue0b3\ue0b4\ue0b5\ue0b6\ue0b7\ue0b8\ue0b9\ue0ba\ue0bb\ue0bc\ue0bd\ue0be\ue0bf\ue0c0\ue0c1\ue0c2\ue0c3\ue0c4\ue0c5\ue0c6\ue0c7\ue0c8\ue0c9\ue0ca\ue0cb\ue0cc\ue0cd\ue0ce\ue0cf\ue0d0\ue0d1\ue0d2\ue0d3\ue0d4\ue0d5\ue0d6\ue0d7\ue0d8\ue0d9\ue0da\ue0db\ue0dc\ue0dd\ue0de\ue0df\ue0e0\ue0e1\ue0e2\ue0e3\ue0e4\ue0e5\ue0e6\ue0e7\ue0e8\ue0e9\ue0ea\ue0eb\ue0ec\ue0ed\ue0ee\ue0ef\ue0f0\ue0f1\ue0f2\ue0f3\ue0f4\ue0f5\ue0f6\ue0f7\ue0f8\ue0f9\ue0fa\ue0fb\ue0fc\ue0fd\ue0fe\ue0ff\ue100\ue101\ue102\ue103\ue104\ue105\ue106\ue107\ue108\ue109\ue10a\ue10b\ue10c\ue10d\ue10e\ue10f\ue110\ue111\ue112\ue113\ue114\ue115\ue116\ue117\ue118\ue119\ue11a\ue11b\ue11c\ue11d\ue11e\ue11f\ue120\ue121\ue122\ue123\ue124\ue125\ue126\ue127\ue128\ue129\ue12a\ue12b\ue12c\ue12d\ue12e\ue12f\ue130\ue131\ue132\ue133\ue134\ue135\ue136\ue137\ue138\ue139\ue13a\ue13b\ue13c\ue13d\ue13e\ue13f\ue140\ue141\ue142\ue143\ue144\ue145\ue146\ue147\ue148\ue149\ue14a\
ue14b\ue14c\ue14d\ue14e\ue14f\ue150\ue151\ue152\ue153\ue154\ue155\ue156\ue157\ue158\ue159\ue15a\ue15b\ue15c\ue15d\ue15e\ue15f\ue160\ue161\ue162\ue163\ue164\ue165\ue166\ue167\ue168\ue169\ue16a\ue16b\ue16c\ue16d\ue16e\ue16f\ue170\ue171\ue172\ue173\ue174\ue175\ue176\ue177\ue178\ue179\ue17a\ue17b\ue17c\ue17d\ue17e\ue17f\ue180\ue181\ue182\ue183\ue184\ue185\ue186\ue187\ue188\ue189\ue18a\ue18b\ue18c\ue18d\ue18e\ue18f\ue190\ue191\ue192\ue193\ue194\ue195\ue196\ue197\ue198\ue199\ue19a\ue19b\ue19c\ue19d\ue19e\ue19f\ue1a0\ue1a1\ue1a2\ue1a3\ue1a4\ue1a5\ue1a6\ue1a7\ue1a8\ue1a9\ue1aa\ue1ab\ue1ac\ue1ad\ue1ae\ue1af\ue1b0\ue1b1\ue1b2\ue1b3\ue1b4\ue1b5\ue1b6\ue1b7\ue1b8\ue1b9\ue1ba\ue1bb\ue1bc\ue1bd\ue1be\ue1bf\ue1c0\ue1c1\ue1c2\ue1c3\ue1c4\ue1c5\ue1c6\ue1c7\ue1c8\ue1c9\ue1ca\ue1cb\ue1cc\ue1cd\ue1ce\ue1cf\ue1d0\ue1d1\ue1d2\ue1d3\ue1d4\ue1d5\ue1d6\ue1d7\ue1d8\ue1d9\ue1da\ue1db\ue1dc\ue1dd\ue1de\ue1df\ue1e0\ue1e1\ue1e2\ue1e3\ue1e4\ue1e5\ue1e6\ue1e7\ue1e8\ue1e9\ue1ea\ue1eb\ue1ec\ue1ed\ue1ee\ue1ef\ue1f0\u
e1f1\ue1f2\ue1f3\ue1f4\ue1f5\ue1f6\ue1f7\ue1f8\ue1f9\ue1fa\ue1fb\ue1fc\ue1fd\ue1fe\ue1ff\ue200\ue201\ue202\ue203\ue204\ue205\ue206\ue207\ue208\ue209\ue20a\ue20b\ue20c\ue20d\ue20e\ue20f\ue210\ue211\ue212\ue213\ue214\ue215\ue216\ue217\ue218\ue219\ue21a\ue21b\ue21c\ue21d\ue21e\ue21f\ue220\ue221\ue222\ue223\ue224\ue225\ue226\ue227\ue228\ue229\ue22a\ue22b\ue22c\ue22d\ue22e\ue22f\ue230\ue231\ue232\ue233\ue234\ue235\ue236\ue237\ue238\ue239\ue23a\ue23b\ue23c\ue23d\ue23e\ue23f\ue240\ue241\ue242\ue243\ue244\ue245\ue246\ue247\ue248\ue249\ue24a\ue24b\ue24c\ue24d\ue24e\ue24f\ue250\ue251\ue252\ue253\ue254\ue255\ue256\ue257\ue258\ue259\ue25a\ue25b\ue25c\ue25d\ue25e\ue25f\ue260\ue261\ue262\ue263\ue264\ue265\ue266\ue267\ue268\ue269\ue26a\ue26b\ue26c\ue26d\ue26e\ue26f\ue270\ue271\ue272\ue273\ue274\ue275\ue276\ue277\ue278\ue279\ue27a\ue27b\ue27c\ue27d\ue27e\ue27f\ue280\ue281\ue282\ue283\ue284\ue285\ue286\ue287\ue288\ue289\ue28a\ue28b\ue28c\ue28d\ue28e\ue28f\ue290\ue291\ue292\ue293\ue294\ue295\ue296\ue
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c\uf75d\uf75e\uf75f\uf760\uf761\uf762\uf763\uf764\uf765\uf766\uf767\uf768\uf769\uf76a\uf76b\uf76c\uf76d\uf76e\uf76f\uf770\uf771\uf772\uf773\uf774\uf775\uf776\uf777\uf778\uf779\uf77a\uf77b\uf77c\uf77d\uf77e\uf77f\uf780\uf781\uf782\uf783\uf784\uf785\uf786\uf787\uf788\uf789\uf78a\uf78b\uf78c\uf78d\uf78e\uf78f\uf790\uf791\uf792\uf793\uf794\uf795\uf796\uf797\uf798\uf799\uf79a\uf79b\uf79c\uf79d\uf79e\uf79f\uf7a0\uf7a1\uf7a2\uf7a3\uf7a4\uf7a5\uf7a6\uf7a7\uf7a8\uf7a9\uf7aa\uf7ab\uf7ac\uf7ad\uf7ae\uf7af\uf7b0\uf7b1\uf7b2\uf7b3\uf7b4\uf7b5\uf7b6\uf7b7\uf7b8\uf7b9\uf7ba\uf7bb\uf7bc\uf7bd\uf7be\uf7bf\uf7c0\uf7c1\uf7c2\uf7c3\uf7c4\uf7c5\uf7c6\uf7c7\uf7c8\uf7c9\uf7ca\uf7cb\uf7cc\uf7cd\uf7ce\uf7cf\uf7d0\uf7d1\uf7d2\uf7d3\uf7d4\uf7d5\uf7d6\uf7d7\uf7d8\uf7d9\uf7da\uf7db\uf7dc\uf7dd\uf7de\uf7df\uf7e0\uf7e1\uf7e2\uf7e3\uf7e4\uf7e5\uf7e6\uf7e7\uf7e8\uf7e9\uf7ea\uf7eb\uf7ec\uf7ed\uf7ee\uf7ef\uf7f0\uf7f1\uf7f2\uf7f3\uf7f4\uf7f5\uf7f6\uf7f7\uf7f8\uf7f9\uf7fa\uf7fb\uf7fc\uf7fd\uf7fe\uf7ff\uf800\uf801\uf802
\uf803\uf804\uf805\uf806\uf807\uf808\uf809\uf80a\uf80b\uf80c\uf80d\uf80e\uf80f\uf810\uf811\uf812\uf813\uf814\uf815\uf816\uf817\uf818\uf819\uf81a\uf81b\uf81c\uf81d\uf81e\uf81f\uf820\uf821\uf822\uf823\uf824\uf825\uf826\uf827\uf828\uf829\uf82a\uf82b\uf82c\uf82d\uf82e\uf82f\uf830\uf831\uf832\uf833\uf834\uf835\uf836\uf837\uf838\uf839\uf83a\uf83b\uf83c\uf83d\uf83e\uf83f\uf840\uf841\uf842\uf843\uf844\uf845\uf846\uf847\uf848\uf849\uf84a\uf84b\uf84c\uf84d\uf84e\uf84f\uf850\uf851\uf852\uf853\uf854\uf855\uf856\uf857\uf858\uf859\uf85a\uf85b\uf85c\uf85d\uf85e\uf85f\uf860\uf861\uf862\uf863\uf864\uf865\uf866\uf867\uf868\uf869\uf86a\uf86b\uf86c\uf86d\uf86e\uf86f\uf870\uf871\uf872\uf873\uf874\uf875\uf876\uf877\uf878\uf879\uf87a\uf87b\uf87c\uf87d\uf87e\uf87f\uf880\uf881\uf882\uf883\uf884\uf885\uf886\uf887\uf888\uf889\uf88a\uf88b\uf88c\uf88d\uf88e\uf88f\uf890\uf891\uf892\uf893\uf894\uf895\uf896\uf897\uf898\uf899\uf89a\uf89b\uf89c\uf89d\uf89e\uf89f\uf8a0\uf8a1\uf8a2\uf8a3\uf8a4\uf8a5\uf8a6\uf8a7\uf8a8\
uf8a9\uf8aa\uf8ab\uf8ac\uf8ad\uf8ae\uf8af\uf8b0\uf8b1\uf8b2\uf8b3\uf8b4\uf8b5\uf8b6\uf8b7\uf8b8\uf8b9\uf8ba\uf8bb\uf8bc\uf8bd\uf8be\uf8bf\uf8c0\uf8c1\uf8c2\uf8c3\uf8c4\uf8c5\uf8c6\uf8c7\uf8c8\uf8c9\uf8ca\uf8cb\uf8cc\uf8cd\uf8ce\uf8cf\uf8d0\uf8d1\uf8d2\uf8d3\uf8d4\uf8d5\uf8d6\uf8d7\uf8d8\uf8d9\uf8da\uf8db\uf8dc\uf8dd\uf8de\uf8df\uf8e0\uf8e1\uf8e2\uf8e3\uf8e4\uf8e5\uf8e6\uf8e7\uf8e8\uf8e9\uf8ea\uf8eb\uf8ec\uf8ed\uf8ee\uf8ef\uf8f0\uf8f1\uf8f2\uf8f3\uf8f4\uf8f5\uf8f6\uf8f7\uf8f8\uf8f9\uf8fa\uf8fb\uf8fc\uf8fd\uf8fe\uf8ff'
+
+try:
+ Cs = eval(r"'\ud800\ud801\ud802\ud803\ud804\ud805\ud806\ud807\ud808\ud809\ud80a\ud80b\ud80c\ud80d\ud80e\ud80f\ud810\ud811\ud812\ud813\ud814\ud815\ud816\ud817\ud818\ud819\ud81a\ud81b\ud81c\ud81d\ud81e\ud81f\ud820\ud821\ud822\ud823\ud824\ud825\ud826\ud827\ud828\ud829\ud82a\ud82b\ud82c\ud82d\ud82e\ud82f\ud830\ud831\ud832\ud833\ud834\ud835\ud836\ud837\ud838\ud839\ud83a\ud83b\ud83c\ud83d\ud83e\ud83f\ud840\ud841\ud842\ud843\ud844\ud845\ud846\ud847\ud848\ud849\ud84a\ud84b\ud84c\ud84d\ud84e\ud84f\ud850\ud851\ud852\ud853\ud854\ud855\ud856\ud857\ud858\ud859\ud85a\ud85b\ud85c\ud85d\ud85e\ud85f\ud860\ud861\ud862\ud863\ud864\ud865\ud866\ud867\ud868\ud869\ud86a\ud86b\ud86c\ud86d\ud86e\ud86f\ud870\ud871\ud872\ud873\ud874\ud875\ud876\ud877\ud878\ud879\ud87a\ud87b\ud87c\ud87d\ud87e\ud87f\ud880\ud881\ud882\ud883\ud884\ud885\ud886\ud887\ud888\ud889\ud88a\ud88b\ud88c\ud88d\ud88e\ud88f\ud890\ud891\ud892\ud893\ud894\ud895\ud896\ud897\ud898\ud899\ud89a\ud89b\ud89c\ud89d\ud89e\ud89f\ud8a0\ud8a1\ud8a2\u
d8a3\ud8a4\ud8a5\ud8a6\ud8a7\ud8a8\ud8a9\ud8aa\ud8ab\ud8ac\ud8ad\ud8ae\ud8af\ud8b0\ud8b1\ud8b2\ud8b3\ud8b4\ud8b5\ud8b6\ud8b7\ud8b8\ud8b9\ud8ba\ud8bb\ud8bc\ud8bd\ud8be\ud8bf\ud8c0\ud8c1\ud8c2\ud8c3\ud8c4\ud8c5\ud8c6\ud8c7\ud8c8\ud8c9\ud8ca\ud8cb\ud8cc\ud8cd\ud8ce\ud8cf\ud8d0\ud8d1\ud8d2\ud8d3\ud8d4\ud8d5\ud8d6\ud8d7\ud8d8\ud8d9\ud8da\ud8db\ud8dc\ud8dd\ud8de\ud8df\ud8e0\ud8e1\ud8e2\ud8e3\ud8e4\ud8e5\ud8e6\ud8e7\ud8e8\ud8e9\ud8ea\ud8eb\ud8ec\ud8ed\ud8ee\ud8ef\ud8f0\ud8f1\ud8f2\ud8f3\ud8f4\ud8f5\ud8f6\ud8f7\ud8f8\ud8f9\ud8fa\ud8fb\ud8fc\ud8fd\ud8fe\ud8ff\ud900\ud901\ud902\ud903\ud904\ud905\ud906\ud907\ud908\ud909\ud90a\ud90b\ud90c\ud90d\ud90e\ud90f\ud910\ud911\ud912\ud913\ud914\ud915\ud916\ud917\ud918\ud919\ud91a\ud91b\ud91c\ud91d\ud91e\ud91f\ud920\ud921\ud922\ud923\ud924\ud925\ud926\ud927\ud928\ud929\ud92a\ud92b\ud92c\ud92d\ud92e\ud92f\ud930\ud931\ud932\ud933\ud934\ud935\ud936\ud937\ud938\ud939\ud93a\ud93b\ud93c\ud93d\ud93e\ud93f\ud940\ud941\ud942\ud943\ud944\ud945\ud946\ud947\ud948\ud
949\ud94a\ud94b\ud94c\ud94d\ud94e\ud94f\ud950\ud951\ud952\ud953\ud954\ud955\ud956\ud957\ud958\ud959\ud95a\ud95b\ud95c\ud95d\ud95e\ud95f\ud960\ud961\ud962\ud963\ud964\ud965\ud966\ud967\ud968\ud969\ud96a\ud96b\ud96c\ud96d\ud96e\ud96f\ud970\ud971\ud972\ud973\ud974\ud975\ud976\ud977\ud978\ud979\ud97a\ud97b\ud97c\ud97d\ud97e\ud97f\ud980\ud981\ud982\ud983\ud984\ud985\ud986\ud987\ud988\ud989\ud98a\ud98b\ud98c\ud98d\ud98e\ud98f\ud990\ud991\ud992\ud993\ud994\ud995\ud996\ud997\ud998\ud999\ud99a\ud99b\ud99c\ud99d\ud99e\ud99f\ud9a0\ud9a1\ud9a2\ud9a3\ud9a4\ud9a5\ud9a6\ud9a7\ud9a8\ud9a9\ud9aa\ud9ab\ud9ac\ud9ad\ud9ae\ud9af\ud9b0\ud9b1\ud9b2\ud9b3\ud9b4\ud9b5\ud9b6\ud9b7\ud9b8\ud9b9\ud9ba\ud9bb\ud9bc\ud9bd\ud9be\ud9bf\ud9c0\ud9c1\ud9c2\ud9c3\ud9c4\ud9c5\ud9c6\ud9c7\ud9c8\ud9c9\ud9ca\ud9cb\ud9cc\ud9cd\ud9ce\ud9cf\ud9d0\ud9d1\ud9d2\ud9d3\ud9d4\ud9d5\ud9d6\ud9d7\ud9d8\ud9d9\ud9da\ud9db\ud9dc\ud9dd\ud9de\ud9df\ud9e0\ud9e1\ud9e2\ud9e3\ud9e4\ud9e5\ud9e6\ud9e7\ud9e8\ud9e9\ud9ea\ud9eb\ud9ec\ud9ed\ud9ee\ud9
ef\ud9f0\ud9f1\ud9f2\ud9f3\ud9f4\ud9f5\ud9f6\ud9f7\ud9f8\ud9f9\ud9fa\ud9fb\ud9fc\ud9fd\ud9fe\ud9ff\uda00\uda01\uda02\uda03\uda04\uda05\uda06\uda07\uda08\uda09\uda0a\uda0b\uda0c\uda0d\uda0e\uda0f\uda10\uda11\uda12\uda13\uda14\uda15\uda16\uda17\uda18\uda19\uda1a\uda1b\uda1c\uda1d\uda1e\uda1f\uda20\uda21\uda22\uda23\uda24\uda25\uda26\uda27\uda28\uda29\uda2a\uda2b\uda2c\uda2d\uda2e\uda2f\uda30\uda31\uda32\uda33\uda34\uda35\uda36\uda37\uda38\uda39\uda3a\uda3b\uda3c\uda3d\uda3e\uda3f\uda40\uda41\uda42\uda43\uda44\uda45\uda46\uda47\uda48\uda49\uda4a\uda4b\uda4c\uda4d\uda4e\uda4f\uda50\uda51\uda52\uda53\uda54\uda55\uda56\uda57\uda58\uda59\uda5a\uda5b\uda5c\uda5d\uda5e\uda5f\uda60\uda61\uda62\uda63\uda64\uda65\uda66\uda67\uda68\uda69\uda6a\uda6b\uda6c\uda6d\uda6e\uda6f\uda70\uda71\uda72\uda73\uda74\uda75\uda76\uda77\uda78\uda79\uda7a\uda7b\uda7c\uda7d\uda7e\uda7f\uda80\uda81\uda82\uda83\uda84\uda85\uda86\uda87\uda88\uda89\uda8a\uda8b\uda8c\uda8d\uda8e\uda8f\uda90\uda91\uda92\uda93\uda94\uda9
5\uda96\uda97\uda98\uda99\uda9a\uda9b\uda9c\uda9d\uda9e\uda9f\udaa0\udaa1\udaa2\udaa3\udaa4\udaa5\udaa6\udaa7\udaa8\udaa9\udaaa\udaab\udaac\udaad\udaae\udaaf\udab0\udab1\udab2\udab3\udab4\udab5\udab6\udab7\udab8\udab9\udaba\udabb\udabc\udabd\udabe\udabf\udac0\udac1\udac2\udac3\udac4\udac5\udac6\udac7\udac8\udac9\udaca\udacb\udacc\udacd\udace\udacf\udad0\udad1\udad2\udad3\udad4\udad5\udad6\udad7\udad8\udad9\udada\udadb\udadc\udadd\udade\udadf\udae0\udae1\udae2\udae3\udae4\udae5\udae6\udae7\udae8\udae9\udaea\udaeb\udaec\udaed\udaee\udaef\udaf0\udaf1\udaf2\udaf3\udaf4\udaf5\udaf6\udaf7\udaf8\udaf9\udafa\udafb\udafc\udafd\udafe\udaff\udb00\udb01\udb02\udb03\udb04\udb05\udb06\udb07\udb08\udb09\udb0a\udb0b\udb0c\udb0d\udb0e\udb0f\udb10\udb11\udb12\udb13\udb14\udb15\udb16\udb17\udb18\udb19\udb1a\udb1b\udb1c\udb1d\udb1e\udb1f\udb20\udb21\udb22\udb23\udb24\udb25\udb26\udb27\udb28\udb29\udb2a\udb2b\udb2c\udb2d\udb2e\udb2f\udb30\udb31\udb32\udb33\udb34\udb35\udb36\udb37\udb38\udb39\udb3a\udb3b
\udb3c\udb3d\udb3e\udb3f\udb40\udb41\udb42\udb43\udb44\udb45\udb46\udb47\udb48\udb49\udb4a\udb4b\udb4c\udb4d\udb4e\udb4f\udb50\udb51\udb52\udb53\udb54\udb55\udb56\udb57\udb58\udb59\udb5a\udb5b\udb5c\udb5d\udb5e\udb5f\udb60\udb61\udb62\udb63\udb64\udb65\udb66\udb67\udb68\udb69\udb6a\udb6b\udb6c\udb6d\udb6e\udb6f\udb70\udb71\udb72\udb73\udb74\udb75\udb76\udb77\udb78\udb79\udb7a\udb7b\udb7c\udb7d\udb7e\udb7f\udb80\udb81\udb82\udb83\udb84\udb85\udb86\udb87\udb88\udb89\udb8a\udb8b\udb8c\udb8d\udb8e\udb8f\udb90\udb91\udb92\udb93\udb94\udb95\udb96\udb97\udb98\udb99\udb9a\udb9b\udb9c\udb9d\udb9e\udb9f\udba0\udba1\udba2\udba3\udba4\udba5\udba6\udba7\udba8\udba9\udbaa\udbab\udbac\udbad\udbae\udbaf\udbb0\udbb1\udbb2\udbb3\udbb4\udbb5\udbb6\udbb7\udbb8\udbb9\udbba\udbbb\udbbc\udbbd\udbbe\udbbf\udbc0\udbc1\udbc2\udbc3\udbc4\udbc5\udbc6\udbc7\udbc8\udbc9\udbca\udbcb\udbcc\udbcd\udbce\udbcf\udbd0\udbd1\udbd2\udbd3\udbd4\udbd5\udbd6\udbd7\udbd8\udbd9\udbda\udbdb\udbdc\udbdd\udbde\udbdf\udbe0\udbe1\
udbe2\udbe3\udbe4\udbe5\udbe6\udbe7\udbe8\udbe9\udbea\udbeb\udbec\udbed\udbee\udbef\udbf0\udbf1\udbf2\udbf3\udbf4\udbf5\udbf6\udbf7\udbf8\udbf9\udbfa\udbfb\udbfc\udbfd\udbfe\U0010fc00\udc01\udc02\udc03\udc04\udc05\udc06\udc07\udc08\udc09\udc0a\udc0b\udc0c\udc0d\udc0e\udc0f\udc10\udc11\udc12\udc13\udc14\udc15\udc16\udc17\udc18\udc19\udc1a\udc1b\udc1c\udc1d\udc1e\udc1f\udc20\udc21\udc22\udc23\udc24\udc25\udc26\udc27\udc28\udc29\udc2a\udc2b\udc2c\udc2d\udc2e\udc2f\udc30\udc31\udc32\udc33\udc34\udc35\udc36\udc37\udc38\udc39\udc3a\udc3b\udc3c\udc3d\udc3e\udc3f\udc40\udc41\udc42\udc43\udc44\udc45\udc46\udc47\udc48\udc49\udc4a\udc4b\udc4c\udc4d\udc4e\udc4f\udc50\udc51\udc52\udc53\udc54\udc55\udc56\udc57\udc58\udc59\udc5a\udc5b\udc5c\udc5d\udc5e\udc5f\udc60\udc61\udc62\udc63\udc64\udc65\udc66\udc67\udc68\udc69\udc6a\udc6b\udc6c\udc6d\udc6e\udc6f\udc70\udc71\udc72\udc73\udc74\udc75\udc76\udc77\udc78\udc79\udc7a\udc7b\udc7c\udc7d\udc7e\udc7f\udc80\udc81\udc82\udc83\udc84\udc85\udc86\udc87\udc
88\udc89\udc8a\udc8b\udc8c\udc8d\udc8e\udc8f\udc90\udc91\udc92\udc93\udc94\udc95\udc96\udc97\udc98\udc99\udc9a\udc9b\udc9c\udc9d\udc9e\udc9f\udca0\udca1\udca2\udca3\udca4\udca5\udca6\udca7\udca8\udca9\udcaa\udcab\udcac\udcad\udcae\udcaf\udcb0\udcb1\udcb2\udcb3\udcb4\udcb5\udcb6\udcb7\udcb8\udcb9\udcba\udcbb\udcbc\udcbd\udcbe\udcbf\udcc0\udcc1\udcc2\udcc3\udcc4\udcc5\udcc6\udcc7\udcc8\udcc9\udcca\udccb\udccc\udccd\udcce\udccf\udcd0\udcd1\udcd2\udcd3\udcd4\udcd5\udcd6\udcd7\udcd8\udcd9\udcda\udcdb\udcdc\udcdd\udcde\udcdf\udce0\udce1\udce2\udce3\udce4\udce5\udce6\udce7\udce8\udce9\udcea\udceb\udcec\udced\udcee\udcef\udcf0\udcf1\udcf2\udcf3\udcf4\udcf5\udcf6\udcf7\udcf8\udcf9\udcfa\udcfb\udcfc\udcfd\udcfe\udcff\udd00\udd01\udd02\udd03\udd04\udd05\udd06\udd07\udd08\udd09\udd0a\udd0b\udd0c\udd0d\udd0e\udd0f\udd10\udd11\udd12\udd13\udd14\udd15\udd16\udd17\udd18\udd19\udd1a\udd1b\udd1c\udd1d\udd1e\udd1f\udd20\udd21\udd22\udd23\udd24\udd25\udd26\udd27\udd28\udd29\udd2a\udd2b\udd2c\udd2d\udd2
e\udd2f\udd30\udd31\udd32\udd33\udd34\udd35\udd36\udd37\udd38\udd39\udd3a\udd3b\udd3c\udd3d\udd3e\udd3f\udd40\udd41\udd42\udd43\udd44\udd45\udd46\udd47\udd48\udd49\udd4a\udd4b\udd4c\udd4d\udd4e\udd4f\udd50\udd51\udd52\udd53\udd54\udd55\udd56\udd57\udd58\udd59\udd5a\udd5b\udd5c\udd5d\udd5e\udd5f\udd60\udd61\udd62\udd63\udd64\udd65\udd66\udd67\udd68\udd69\udd6a\udd6b\udd6c\udd6d\udd6e\udd6f\udd70\udd71\udd72\udd73\udd74\udd75\udd76\udd77\udd78\udd79\udd7a\udd7b\udd7c\udd7d\udd7e\udd7f\udd80\udd81\udd82\udd83\udd84\udd85\udd86\udd87\udd88\udd89\udd8a\udd8b\udd8c\udd8d\udd8e\udd8f\udd90\udd91\udd92\udd93\udd94\udd95\udd96\udd97\udd98\udd99\udd9a\udd9b\udd9c\udd9d\udd9e\udd9f\udda0\udda1\udda2\udda3\udda4\udda5\udda6\udda7\udda8\udda9\uddaa\uddab\uddac\uddad\uddae\uddaf\uddb0\uddb1\uddb2\uddb3\uddb4\uddb5\uddb6\uddb7\uddb8\uddb9\uddba\uddbb\uddbc\uddbd\uddbe\uddbf\uddc0\uddc1\uddc2\uddc3\uddc4\uddc5\uddc6\uddc7\uddc8\uddc9\uddca\uddcb\uddcc\uddcd\uddce\uddcf\uddd0\uddd1\uddd2\uddd3\uddd4
\uddd5\uddd6\uddd7\uddd8\uddd9\uddda\udddb\udddc\udddd\uddde\udddf\udde0\udde1\udde2\udde3\udde4\udde5\udde6\udde7\udde8\udde9\uddea\uddeb\uddec\udded\uddee\uddef\uddf0\uddf1\uddf2\uddf3\uddf4\uddf5\uddf6\uddf7\uddf8\uddf9\uddfa\uddfb\uddfc\uddfd\uddfe\uddff\ude00\ude01\ude02\ude03\ude04\ude05\ude06\ude07\ude08\ude09\ude0a\ude0b\ude0c\ude0d\ude0e\ude0f\ude10\ude11\ude12\ude13\ude14\ude15\ude16\ude17\ude18\ude19\ude1a\ude1b\ude1c\ude1d\ude1e\ude1f\ude20\ude21\ude22\ude23\ude24\ude25\ude26\ude27\ude28\ude29\ude2a\ude2b\ude2c\ude2d\ude2e\ude2f\ude30\ude31\ude32\ude33\ude34\ude35\ude36\ude37\ude38\ude39\ude3a\ude3b\ude3c\ude3d\ude3e\ude3f\ude40\ude41\ude42\ude43\ude44\ude45\ude46\ude47\ude48\ude49\ude4a\ude4b\ude4c\ude4d\ude4e\ude4f\ude50\ude51\ude52\ude53\ude54\ude55\ude56\ude57\ude58\ude59\ude5a\ude5b\ude5c\ude5d\ude5e\ude5f\ude60\ude61\ude62\ude63\ude64\ude65\ude66\ude67\ude68\ude69\ude6a\ude6b\ude6c\ude6d\ude6e\ude6f\ude70\ude71\ude72\ude73\ude74\ude75\ude76\ude77\ude78\ude79\ude7a\
ude7b\ude7c\ude7d\ude7e\ude7f\ude80\ude81\ude82\ude83\ude84\ude85\ude86\ude87\ude88\ude89\ude8a\ude8b\ude8c\ude8d\ude8e\ude8f\ude90\ude91\ude92\ude93\ude94\ude95\ude96\ude97\ude98\ude99\ude9a\ude9b\ude9c\ude9d\ude9e\ude9f\udea0\udea1\udea2\udea3\udea4\udea5\udea6\udea7\udea8\udea9\udeaa\udeab\udeac\udead\udeae\udeaf\udeb0\udeb1\udeb2\udeb3\udeb4\udeb5\udeb6\udeb7\udeb8\udeb9\udeba\udebb\udebc\udebd\udebe\udebf\udec0\udec1\udec2\udec3\udec4\udec5\udec6\udec7\udec8\udec9\udeca\udecb\udecc\udecd\udece\udecf\uded0\uded1\uded2\uded3\uded4\uded5\uded6\uded7\uded8\uded9\udeda\udedb\udedc\udedd\udede\udedf\udee0\udee1\udee2\udee3\udee4\udee5\udee6\udee7\udee8\udee9\udeea\udeeb\udeec\udeed\udeee\udeef\udef0\udef1\udef2\udef3\udef4\udef5\udef6\udef7\udef8\udef9\udefa\udefb\udefc\udefd\udefe\udeff\udf00\udf01\udf02\udf03\udf04\udf05\udf06\udf07\udf08\udf09\udf0a\udf0b\udf0c\udf0d\udf0e\udf0f\udf10\udf11\udf12\udf13\udf14\udf15\udf16\udf17\udf18\udf19\udf1a\udf1b\udf1c\udf1d\udf1e\udf1f\udf20\u
df21\udf22\udf23\udf24\udf25\udf26\udf27\udf28\udf29\udf2a\udf2b\udf2c\udf2d\udf2e\udf2f\udf30\udf31\udf32\udf33\udf34\udf35\udf36\udf37\udf38\udf39\udf3a\udf3b\udf3c\udf3d\udf3e\udf3f\udf40\udf41\udf42\udf43\udf44\udf45\udf46\udf47\udf48\udf49\udf4a\udf4b\udf4c\udf4d\udf4e\udf4f\udf50\udf51\udf52\udf53\udf54\udf55\udf56\udf57\udf58\udf59\udf5a\udf5b\udf5c\udf5d\udf5e\udf5f\udf60\udf61\udf62\udf63\udf64\udf65\udf66\udf67\udf68\udf69\udf6a\udf6b\udf6c\udf6d\udf6e\udf6f\udf70\udf71\udf72\udf73\udf74\udf75\udf76\udf77\udf78\udf79\udf7a\udf7b\udf7c\udf7d\udf7e\udf7f\udf80\udf81\udf82\udf83\udf84\udf85\udf86\udf87\udf88\udf89\udf8a\udf8b\udf8c\udf8d\udf8e\udf8f\udf90\udf91\udf92\udf93\udf94\udf95\udf96\udf97\udf98\udf99\udf9a\udf9b\udf9c\udf9d\udf9e\udf9f\udfa0\udfa1\udfa2\udfa3\udfa4\udfa5\udfa6\udfa7\udfa8\udfa9\udfaa\udfab\udfac\udfad\udfae\udfaf\udfb0\udfb1\udfb2\udfb3\udfb4\udfb5\udfb6\udfb7\udfb8\udfb9\udfba\udfbb\udfbc\udfbd\udfbe\udfbf\udfc0\udfc1\udfc2\udfc3\udfc4\udfc5\udfc6\ud
fc7\udfc8\udfc9\udfca\udfcb\udfcc\udfcd\udfce\udfcf\udfd0\udfd1\udfd2\udfd3\udfd4\udfd5\udfd6\udfd7\udfd8\udfd9\udfda\udfdb\udfdc\udfdd\udfde\udfdf\udfe0\udfe1\udfe2\udfe3\udfe4\udfe5\udfe6\udfe7\udfe8\udfe9\udfea\udfeb\udfec\udfed\udfee\udfef\udff0\udff1\udff2\udff3\udff4\udff5\udff6\udff7\udff8\udff9\udffa\udffb\udffc\udffd\udffe\udfff'")
+except UnicodeDecodeError:
+ Cs = '' # Jython can't handle isolated surrogates
+
+Ll = u'abcdefghijklmnopqrstuvwxyz\xaa\xb5\xba\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\u0101\u0103\u0105\u0107\u0109\u010b\u010d\u010f\u0111\u0113\u0115\u0117\u0119\u011b\u011d\u011f\u0121\u0123\u0125\u0127\u0129\u012b\u012d\u012f\u0131\u0133\u0135\u0137\u0138\u013a\u013c\u013e\u0140\u0142\u0144\u0146\u0148\u0149\u014b\u014d\u014f\u0151\u0153\u0155\u0157\u0159\u015b\u015d\u015f\u0161\u0163\u0165\u0167\u0169\u016b\u016d\u016f\u0171\u0173\u0175\u0177\u017a\u017c\u017e\u017f\u0180\u0183\u0185\u0188\u018c\u018d\u0192\u0195\u0199\u019a\u019b\u019e\u01a1\u01a3\u01a5\u01a8\u01aa\u01ab\u01ad\u01b0\u01b4\u01b6\u01b9\u01ba\u01bd\u01be\u01bf\u01c6\u01c9\u01cc\u01ce\u01d0\u01d2\u01d4\u01d6\u01d8\u01da\u01dc\u01dd\u01df\u01e1\u01e3\u01e5\u01e7\u01e9\u01eb\u01ed\u01ef\u01f0\u01f3\u01f5\u01f9\u01fb\u01fd\u01ff\u0201\u0203\u0205\u0207\u0209\u020b\u020d\u020f\u0211\u0213\u0215\u0217\u0219\u021b\u021d\u021f\u0221\u
0223\u0225\u0227\u0229\u022b\u022d\u022f\u0231\u0233\u0234\u0235\u0236\u0237\u0238\u0239\u023c\u023f\u0240\u0250\u0251\u0252\u0253\u0254\u0255\u0256\u0257\u0258\u0259\u025a\u025b\u025c\u025d\u025e\u025f\u0260\u0261\u0262\u0263\u0264\u0265\u0266\u0267\u0268\u0269\u026a\u026b\u026c\u026d\u026e\u026f\u0270\u0271\u0272\u0273\u0274\u0275\u0276\u0277\u0278\u0279\u027a\u027b\u027c\u027d\u027e\u027f\u0280\u0281\u0282\u0283\u0284\u0285\u0286\u0287\u0288\u0289\u028a\u028b\u028c\u028d\u028e\u028f\u0290\u0291\u0292\u0293\u0294\u0295\u0296\u0297\u0298\u0299\u029a\u029b\u029c\u029d\u029e\u029f\u02a0\u02a1\u02a2\u02a3\u02a4\u02a5\u02a6\u02a7\u02a8\u02a9\u02aa\u02ab\u02ac\u02ad\u02ae\u02af\u0390\u03ac\u03ad\u03ae\u03af\u03b0\u03b1\u03b2\u03b3\u03b4\u03b5\u03b6\u03b7\u03b8\u03b9\u03ba\u03bb\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c2\u03c3\u03c4\u03c5\u03c6\u03c7\u03c8\u03c9\u03ca\u03cb\u03cc\u03cd\u03ce\u03d0\u03d1\u03d5\u03d6\u03d7\u03d9\u03db\u03dd\u03df\u03e1\u03e3\u03e5\u03e7\u03e9\u03eb\u03ed\u0
3ef\u03f0\u03f1\u03f2\u03f3\u03f5\u03f8\u03fb\u03fc\u0430\u0431\u0432\u0433\u0434\u0435\u0436\u0437\u0438\u0439\u043a\u043b\u043c\u043d\u043e\u043f\u0440\u0441\u0442\u0443\u0444\u0445\u0446\u0447\u0448\u0449\u044a\u044b\u044c\u044d\u044e\u044f\u0450\u0451\u0452\u0453\u0454\u0455\u0456\u0457\u0458\u0459\u045a\u045b\u045c\u045d\u045e\u045f\u0461\u0463\u0465\u0467\u0469\u046b\u046d\u046f\u0471\u0473\u0475\u0477\u0479\u047b\u047d\u047f\u0481\u048b\u048d\u048f\u0491\u0493\u0495\u0497\u0499\u049b\u049d\u049f\u04a1\u04a3\u04a5\u04a7\u04a9\u04ab\u04ad\u04af\u04b1\u04b3\u04b5\u04b7\u04b9\u04bb\u04bd\u04bf\u04c2\u04c4\u04c6\u04c8\u04ca\u04cc\u04ce\u04d1\u04d3\u04d5\u04d7\u04d9\u04db\u04dd\u04df\u04e1\u04e3\u04e5\u04e7\u04e9\u04eb\u04ed\u04ef\u04f1\u04f3\u04f5\u04f7\u04f9\u0501\u0503\u0505\u0507\u0509\u050b\u050d\u050f\u0561\u0562\u0563\u0564\u0565\u0566\u0567\u0568\u0569\u056a\u056b\u056c\u056d\u056e\u056f\u0570\u0571\u0572\u0573\u0574\u0575\u0576\u0577\u0578\u0579\u057a\u057b\u057c\u057d\u05
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<TRUNCATED>
[09/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/templates.rst
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diff --git a/ambari-common/src/main/python/jinja2/docs/templates.rst b/ambari-common/src/main/python/jinja2/docs/templates.rst
new file mode 100644
index 0000000..4a1f6ff
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+++ b/ambari-common/src/main/python/jinja2/docs/templates.rst
@@ -0,0 +1,1365 @@
+Template Designer Documentation
+===============================
+
+.. highlight:: html+jinja
+
+This document describes the syntax and semantics of the template engine and
+will be most useful as reference to those creating Jinja templates. As the
+template engine is very flexible the configuration from the application might
+be slightly different from here in terms of delimiters and behavior of
+undefined values.
+
+
+Synopsis
+--------
+
+A template is simply a text file. It can generate any text-based format
+(HTML, XML, CSV, LaTeX, etc.). It doesn't have a specific extension,
+``.html`` or ``.xml`` are just fine.
+
+A template contains **variables** or **expressions**, which get replaced with
+values when the template is evaluated, and tags, which control the logic of
+the template. The template syntax is heavily inspired by Django and Python.
+
+Below is a minimal template that illustrates a few basics. We will cover
+the details later in that document::
+
+ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
+ <html lang="en">
+ <head>
+ <title>My Webpage</title>
+ </head>
+ <body>
+ <ul id="navigation">
+ {% for item in navigation %}
+ <li><a href="{{ item.href }}">{{ item.caption }}</a></li>
+ {% endfor %}
+ </ul>
+
+ <h1>My Webpage</h1>
+ {{ a_variable }}
+ </body>
+ </html>
+
+This covers the default settings. The application developer might have
+changed the syntax from ``{% foo %}`` to ``<% foo %>`` or something similar.
+
+There are two kinds of delimiers. ``{% ... %}`` and ``{{ ... }}``. The first
+one is used to execute statements such as for-loops or assign values, the
+latter prints the result of the expression to the template.
+
+.. _variables:
+
+Variables
+---------
+
+The application passes variables to the templates you can mess around in the
+template. Variables may have attributes or elements on them you can access
+too. How a variable looks like, heavily depends on the application providing
+those.
+
+You can use a dot (``.``) to access attributes of a variable, alternative the
+so-called "subscript" syntax (``[]``) can be used. The following lines do
+the same::
+
+ {{ foo.bar }}
+ {{ foo['bar'] }}
+
+It's important to know that the curly braces are *not* part of the variable
+but the print statement. If you access variables inside tags don't put the
+braces around.
+
+If a variable or attribute does not exist you will get back an undefined
+value. What you can do with that kind of value depends on the application
+configuration, the default behavior is that it evaluates to an empty string
+if printed and that you can iterate over it, but every other operation fails.
+
+.. _notes-on-subscriptions:
+
+.. admonition:: Implementation
+
+ For convenience sake ``foo.bar`` in Jinja2 does the following things on
+ the Python layer:
+
+ - check if there is an attribute called `bar` on `foo`.
+ - if there is not, check if there is an item ``'bar'`` in `foo`.
+ - if there is not, return an undefined object.
+
+ ``foo['bar']`` on the other hand works mostly the same with the a small
+ difference in the order:
+
+ - check if there is an item ``'bar'`` in `foo`.
+ - if there is not, check if there is an attribute called `bar` on `foo`.
+ - if there is not, return an undefined object.
+
+ This is important if an object has an item or attribute with the same
+ name. Additionally there is the :func:`attr` filter that just looks up
+ attributes.
+
+.. _filters:
+
+Filters
+-------
+
+Variables can by modified by **filters**. Filters are separated from the
+variable by a pipe symbol (``|``) and may have optional arguments in
+parentheses. Multiple filters can be chained. The output of one filter is
+applied to the next.
+
+``{{ name|striptags|title }}`` for example will remove all HTML Tags from the
+`name` and title-cases it. Filters that accept arguments have parentheses
+around the arguments, like a function call. This example will join a list
+by commas: ``{{ list|join(', ') }}``.
+
+The :ref:`builtin-filters` below describes all the builtin filters.
+
+.. _tests:
+
+Tests
+-----
+
+Beside filters there are also so called "tests" available. Tests can be used
+to test a variable against a common expression. To test a variable or
+expression you add `is` plus the name of the test after the variable. For
+example to find out if a variable is defined you can do ``name is defined``
+which will then return true or false depending on if `name` is defined.
+
+Tests can accept arguments too. If the test only takes one argument you can
+leave out the parentheses to group them. For example the following two
+expressions do the same::
+
+ {% if loop.index is divisibleby 3 %}
+ {% if loop.index is divisibleby(3) %}
+
+The :ref:`builtin-tests` below describes all the builtin tests.
+
+
+Comments
+--------
+
+To comment-out part of a line in a template, use the comment syntax which is
+by default set to ``{# ... #}``. This is useful to comment out parts of the
+template for debugging or to add information for other template designers or
+yourself::
+
+ {# note: disabled template because we no longer use this
+ {% for user in users %}
+ ...
+ {% endfor %}
+ #}
+
+
+Whitespace Control
+------------------
+
+In the default configuration whitespace is not further modified by the
+template engine, so each whitespace (spaces, tabs, newlines etc.) is returned
+unchanged. If the application configures Jinja to `trim_blocks` the first
+newline after a a template tag is removed automatically (like in PHP).
+
+But you can also strip whitespace in templates by hand. If you put an minus
+sign (``-``) to the start or end of an block (for example a for tag), a
+comment or variable expression you can remove the whitespaces after or before
+that block::
+
+ {% for item in seq -%}
+ {{ item }}
+ {%- endfor %}
+
+This will yield all elements without whitespace between them. If `seq` was
+a list of numbers from ``1`` to ``9`` the output would be ``123456789``.
+
+If :ref:`line-statements` are enabled they strip leading whitespace
+automatically up to the beginning of the line.
+
+.. admonition:: Note
+
+ You must not use a whitespace between the tag and the minus sign.
+
+ **valid**::
+
+ {%- if foo -%}...{% endif %}
+
+ **invalid**::
+
+ {% - if foo - %}...{% endif %}
+
+
+Escaping
+--------
+
+It is sometimes desirable or even necessary to have Jinja ignore parts it
+would otherwise handle as variables or blocks. For example if the default
+syntax is used and you want to use ``{{`` as raw string in the template and
+not start a variable you have to use a trick.
+
+The easiest way is to output the variable delimiter (``{{``) by using a
+variable expression::
+
+ {{ '{{' }}
+
+For bigger sections it makes sense to mark a block `raw`. For example to
+put Jinja syntax as example into a template you can use this snippet::
+
+ {% raw %}
+ <ul>
+ {% for item in seq %}
+ <li>{{ item }}</li>
+ {% endfor %}
+ </ul>
+ {% endraw %}
+
+
+.. _line-statements:
+
+Line Statements
+---------------
+
+If line statements are enabled by the application it's possible to mark a
+line as a statement. For example if the line statement prefix is configured
+to ``#`` the following two examples are equivalent::
+
+ <ul>
+ # for item in seq
+ <li>{{ item }}</li>
+ # endfor
+ </ul>
+
+ <ul>
+ {% for item in seq %}
+ <li>{{ item }}</li>
+ {% endfor %}
+ </ul>
+
+The line statement prefix can appear anywhere on the line as long as no text
+precedes it. For better readability statements that start a block (such as
+`for`, `if`, `elif` etc.) may end with a colon::
+
+ # for item in seq:
+ ...
+ # endfor
+
+
+.. admonition:: Note
+
+ Line statements can span multiple lines if there are open parentheses,
+ braces or brackets::
+
+ <ul>
+ # for href, caption in [('index.html', 'Index'),
+ ('about.html', 'About')]:
+ <li><a href="{{ href }}">{{ caption }}</a></li>
+ # endfor
+ </ul>
+
+Since Jinja 2.2 line-based comments are available as well. For example if
+the line-comment prefix is configured to be ``##`` everything from ``##`` to
+the end of the line is ignored (excluding the newline sign)::
+
+ # for item in seq:
+ <li>{{ item }}</li> ## this comment is ignored
+ # endfor
+
+
+.. _template-inheritance:
+
+Template Inheritance
+--------------------
+
+The most powerful part of Jinja is template inheritance. Template inheritance
+allows you to build a base "skeleton" template that contains all the common
+elements of your site and defines **blocks** that child templates can override.
+
+Sounds complicated but is very basic. It's easiest to understand it by starting
+with an example.
+
+
+Base Template
+~~~~~~~~~~~~~
+
+This template, which we'll call ``base.html``, defines a simple HTML skeleton
+document that you might use for a simple two-column page. It's the job of
+"child" templates to fill the empty blocks with content::
+
+ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
+ <html lang="en">
+ <html xmlns="http://www.w3.org/1999/xhtml">
+ <head>
+ {% block head %}
+ <link rel="stylesheet" href="style.css" />
+ <title>{% block title %}{% endblock %} - My Webpage</title>
+ {% endblock %}
+ </head>
+ <body>
+ <div id="content">{% block content %}{% endblock %}</div>
+ <div id="footer">
+ {% block footer %}
+ © Copyright 2008 by <a href="http://domain.invalid/">you</a>.
+ {% endblock %}
+ </div>
+ </body>
+
+In this example, the ``{% block %}`` tags define four blocks that child templates
+can fill in. All the `block` tag does is to tell the template engine that a
+child template may override those portions of the template.
+
+Child Template
+~~~~~~~~~~~~~~
+
+A child template might look like this::
+
+ {% extends "base.html" %}
+ {% block title %}Index{% endblock %}
+ {% block head %}
+ {{ super() }}
+ <style type="text/css">
+ .important { color: #336699; }
+ </style>
+ {% endblock %}
+ {% block content %}
+ <h1>Index</h1>
+ <p class="important">
+ Welcome on my awesome homepage.
+ </p>
+ {% endblock %}
+
+The ``{% extends %}`` tag is the key here. It tells the template engine that
+this template "extends" another template. When the template system evaluates
+this template, first it locates the parent. The extends tag should be the
+first tag in the template. Everything before it is printed out normally and
+may cause confusion. For details about this behavior and how to take
+advantage of it, see :ref:`null-master-fallback`.
+
+The filename of the template depends on the template loader. For example the
+:class:`FileSystemLoader` allows you to access other templates by giving the
+filename. You can access templates in subdirectories with an slash::
+
+ {% extends "layout/default.html" %}
+
+But this behavior can depend on the application embedding Jinja. Note that
+since the child template doesn't define the ``footer`` block, the value from
+the parent template is used instead.
+
+You can't define multiple ``{% block %}`` tags with the same name in the
+same template. This limitation exists because a block tag works in "both"
+directions. That is, a block tag doesn't just provide a hole to fill - it
+also defines the content that fills the hole in the *parent*. If there
+were two similarly-named ``{% block %}`` tags in a template, that template's
+parent wouldn't know which one of the blocks' content to use.
+
+If you want to print a block multiple times you can however use the special
+`self` variable and call the block with that name::
+
+ <title>{% block title %}{% endblock %}</title>
+ <h1>{{ self.title() }}</h1>
+ {% block body %}{% endblock %}
+
+
+Super Blocks
+~~~~~~~~~~~~
+
+It's possible to render the contents of the parent block by calling `super`.
+This gives back the results of the parent block::
+
+ {% block sidebar %}
+ <h3>Table Of Contents</h3>
+ ...
+ {{ super() }}
+ {% endblock %}
+
+
+Named Block End-Tags
+~~~~~~~~~~~~~~~~~~~~
+
+Jinja2 allows you to put the name of the block after the end tag for better
+readability::
+
+ {% block sidebar %}
+ {% block inner_sidebar %}
+ ...
+ {% endblock inner_sidebar %}
+ {% endblock sidebar %}
+
+However the name after the `endblock` word must match the block name.
+
+
+Block Nesting and Scope
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Blocks can be nested for more complex layouts. However per default blocks
+may not access variables from outer scopes::
+
+ {% for item in seq %}
+ <li>{% block loop_item %}{{ item }}{% endblock %}</li>
+ {% endfor %}
+
+This example would output empty ``<li>`` items because `item` is unavailable
+inside the block. The reason for this is that if the block is replaced by
+a child template a variable would appear that was not defined in the block or
+passed to the context.
+
+Starting with Jinja 2.2 you can explicitly specify that variables are
+available in a block by setting the block to "scoped" by adding the `scoped`
+modifier to a block declaration::
+
+ {% for item in seq %}
+ <li>{% block loop_item scoped %}{{ item }}{% endblock %}</li>
+ {% endfor %}
+
+When overriding a block the `scoped` modifier does not have to be provided.
+
+
+Template Objects
+~~~~~~~~~~~~~~~~
+
+.. versionchanged:: 2.4
+
+If a template object was passed to the template context you can
+extend from that object as well. Assuming the calling code passes
+a layout template as `layout_template` to the environment, this
+code works::
+
+ {% extends layout_template %}
+
+Previously the `layout_template` variable had to be a string with
+the layout template's filename for this to work.
+
+
+HTML Escaping
+-------------
+
+When generating HTML from templates, there's always a risk that a variable will
+include characters that affect the resulting HTML. There are two approaches:
+manually escaping each variable or automatically escaping everything by default.
+
+Jinja supports both, but what is used depends on the application configuration.
+The default configuaration is no automatic escaping for various reasons:
+
+- escaping everything except of safe values will also mean that Jinja is
+ escaping variables known to not include HTML such as numbers which is
+ a huge performance hit.
+
+- The information about the safety of a variable is very fragile. It could
+ happen that by coercing safe and unsafe values the return value is double
+ escaped HTML.
+
+Working with Manual Escaping
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If manual escaping is enabled it's **your** responsibility to escape
+variables if needed. What to escape? If you have a variable that *may*
+include any of the following chars (``>``, ``<``, ``&``, or ``"``) you
+**have to** escape it unless the variable contains well-formed and trusted
+HTML. Escaping works by piping the variable through the ``|e`` filter:
+``{{ user.username|e }}``.
+
+Working with Automatic Escaping
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+When automatic escaping is enabled everything is escaped by default except
+for values explicitly marked as safe. Those can either be marked by the
+application or in the template by using the `|safe` filter. The main
+problem with this approach is that Python itself doesn't have the concept
+of tainted values so the information if a value is safe or unsafe can get
+lost. If the information is lost escaping will take place which means that
+you could end up with double escaped contents.
+
+Double escaping is easy to avoid however, just rely on the tools Jinja2
+provides and don't use builtin Python constructs such as the string modulo
+operator.
+
+Functions returning template data (macros, `super`, `self.BLOCKNAME`) return
+safe markup always.
+
+String literals in templates with automatic escaping are considered unsafe
+too. The reason for this is that the safe string is an extension to Python
+and not every library will work properly with it.
+
+
+List of Control Structures
+--------------------------
+
+A control structure refers to all those things that control the flow of a
+program - conditionals (i.e. if/elif/else), for-loops, as well as things like
+macros and blocks. Control structures appear inside ``{% ... %}`` blocks
+in the default syntax.
+
+For
+~~~
+
+Loop over each item in a sequence. For example, to display a list of users
+provided in a variable called `users`::
+
+ <h1>Members</h1>
+ <ul>
+ {% for user in users %}
+ <li>{{ user.username|e }}</li>
+ {% endfor %}
+ </ul>
+
+Inside of a for loop block you can access some special variables:
+
++-----------------------+---------------------------------------------------+
+| Variable | Description |
++=======================+===================================================+
+| `loop.index` | The current iteration of the loop. (1 indexed) |
++-----------------------+---------------------------------------------------+
+| `loop.index0` | The current iteration of the loop. (0 indexed) |
++-----------------------+---------------------------------------------------+
+| `loop.revindex` | The number of iterations from the end of the loop |
+| | (1 indexed) |
++-----------------------+---------------------------------------------------+
+| `loop.revindex0` | The number of iterations from the end of the loop |
+| | (0 indexed) |
++-----------------------+---------------------------------------------------+
+| `loop.first` | True if first iteration. |
++-----------------------+---------------------------------------------------+
+| `loop.last` | True if last iteration. |
++-----------------------+---------------------------------------------------+
+| `loop.length` | The number of items in the sequence. |
++-----------------------+---------------------------------------------------+
+| `loop.cycle` | A helper function to cycle between a list of |
+| | sequences. See the explanation below. |
++-----------------------+---------------------------------------------------+
+
+Within a for-loop, it's possible to cycle among a list of strings/variables
+each time through the loop by using the special `loop.cycle` helper::
+
+ {% for row in rows %}
+ <li class="{{ loop.cycle('odd', 'even') }}">{{ row }}</li>
+ {% endfor %}
+
+With Jinja 2.1 an extra `cycle` helper exists that allows loop-unbound
+cycling. For more information have a look at the :ref:`builtin-globals`.
+
+.. _loop-filtering:
+
+Unlike in Python it's not possible to `break` or `continue` in a loop. You
+can however filter the sequence during iteration which allows you to skip
+items. The following example skips all the users which are hidden::
+
+ {% for user in users if not user.hidden %}
+ <li>{{ user.username|e }}</li>
+ {% endfor %}
+
+The advantage is that the special `loop` variable will count correctly thus
+not counting the users not iterated over.
+
+If no iteration took place because the sequence was empty or the filtering
+removed all the items from the sequence you can render a replacement block
+by using `else`::
+
+ <ul>
+ {% for user in users %}
+ <li>{{ user.username|e }}</li>
+ {% else %}
+ <li><em>no users found</em></li>
+ {% endfor %}
+ </ul>
+
+It is also possible to use loops recursively. This is useful if you are
+dealing with recursive data such as sitemaps. To use loops recursively you
+basically have to add the `recursive` modifier to the loop definition and
+call the `loop` variable with the new iterable where you want to recurse.
+
+The following example implements a sitemap with recursive loops::
+
+ <ul class="sitemap">
+ {%- for item in sitemap recursive %}
+ <li><a href="{{ item.href|e }}">{{ item.title }}</a>
+ {%- if item.children -%}
+ <ul class="submenu">{{ loop(item.children) }}</ul>
+ {%- endif %}</li>
+ {%- endfor %}
+ </ul>
+
+
+If
+~~
+
+The `if` statement in Jinja is comparable with the if statements of Python.
+In the simplest form you can use it to test if a variable is defined, not
+empty or not false::
+
+ {% if users %}
+ <ul>
+ {% for user in users %}
+ <li>{{ user.username|e }}</li>
+ {% endfor %}
+ </ul>
+ {% endif %}
+
+For multiple branches `elif` and `else` can be used like in Python. You can
+use more complex :ref:`expressions` there too::
+
+ {% if kenny.sick %}
+ Kenny is sick.
+ {% elif kenny.dead %}
+ You killed Kenny! You bastard!!!
+ {% else %}
+ Kenny looks okay --- so far
+ {% endif %}
+
+If can also be used as :ref:`inline expression <if-expression>` and for
+:ref:`loop filtering <loop-filtering>`.
+
+
+Macros
+~~~~~~
+
+Macros are comparable with functions in regular programming languages. They
+are useful to put often used idioms into reusable functions to not repeat
+yourself.
+
+Here a small example of a macro that renders a form element::
+
+ {% macro input(name, value='', type='text', size=20) -%}
+ <input type="{{ type }}" name="{{ name }}" value="{{
+ value|e }}" size="{{ size }}">
+ {%- endmacro %}
+
+The macro can then be called like a function in the namespace::
+
+ <p>{{ input('username') }}</p>
+ <p>{{ input('password', type='password') }}</p>
+
+If the macro was defined in a different template you have to
+:ref:`import <import>` it first.
+
+Inside macros you have access to three special variables:
+
+`varargs`
+ If more positional arguments are passed to the macro than accepted by the
+ macro they end up in the special `varargs` variable as list of values.
+
+`kwargs`
+ Like `varargs` but for keyword arguments. All unconsumed keyword
+ arguments are stored in this special variable.
+
+`caller`
+ If the macro was called from a :ref:`call<call>` tag the caller is stored
+ in this variable as macro which can be called.
+
+Macros also expose some of their internal details. The following attributes
+are available on a macro object:
+
+`name`
+ The name of the macro. ``{{ input.name }}`` will print ``input``.
+
+`arguments`
+ A tuple of the names of arguments the macro accepts.
+
+`defaults`
+ A tuple of default values.
+
+`catch_kwargs`
+ This is `true` if the macro accepts extra keyword arguments (ie: accesses
+ the special `kwargs` variable).
+
+`catch_varargs`
+ This is `true` if the macro accepts extra positional arguments (ie:
+ accesses the special `varargs` variable).
+
+`caller`
+ This is `true` if the macro accesses the special `caller` variable and may
+ be called from a :ref:`call<call>` tag.
+
+If a macro name starts with an underscore it's not exported and can't
+be imported.
+
+
+.. _call:
+
+Call
+~~~~
+
+In some cases it can be useful to pass a macro to another macro. For this
+purpose you can use the special `call` block. The following example shows
+a macro that takes advantage of the call functionality and how it can be
+used::
+
+ {% macro render_dialog(title, class='dialog') -%}
+ <div class="{{ class }}">
+ <h2>{{ title }}</h2>
+ <div class="contents">
+ {{ caller() }}
+ </div>
+ </div>
+ {%- endmacro %}
+
+ {% call render_dialog('Hello World') %}
+ This is a simple dialog rendered by using a macro and
+ a call block.
+ {% endcall %}
+
+It's also possible to pass arguments back to the call block. This makes it
+useful as replacement for loops. Generally speaking a call block works
+exactly like an macro, just that it doesn't have a name.
+
+Here an example of how a call block can be used with arguments::
+
+ {% macro dump_users(users) -%}
+ <ul>
+ {%- for user in users %}
+ <li><p>{{ user.username|e }}</p>{{ caller(user) }}</li>
+ {%- endfor %}
+ </ul>
+ {%- endmacro %}
+
+ {% call(user) dump_users(list_of_user) %}
+ <dl>
+ <dl>Realname</dl>
+ <dd>{{ user.realname|e }}</dd>
+ <dl>Description</dl>
+ <dd>{{ user.description }}</dd>
+ </dl>
+ {% endcall %}
+
+
+Filters
+~~~~~~~
+
+Filter sections allow you to apply regular Jinja2 filters on a block of
+template data. Just wrap the code in the special `filter` section::
+
+ {% filter upper %}
+ This text becomes uppercase
+ {% endfilter %}
+
+
+Assignments
+~~~~~~~~~~~
+
+Inside code blocks you can also assign values to variables. Assignments at
+top level (outside of blocks, macros or loops) are exported from the template
+like top level macros and can be imported by other templates.
+
+Assignments use the `set` tag and can have multiple targets::
+
+ {% set navigation = [('index.html', 'Index'), ('about.html', 'About')] %}
+ {% set key, value = call_something() %}
+
+
+Extends
+~~~~~~~
+
+The `extends` tag can be used to extend a template from another one. You
+can have multiple of them in a file but only one of them may be executed
+at the time. See the section about :ref:`template-inheritance` above.
+
+
+Block
+~~~~~
+
+Blocks are used for inheritance and act as placeholders and replacements
+at the same time. They are documented in detail as part of the section
+about :ref:`template-inheritance`.
+
+
+Include
+~~~~~~~
+
+The `include` statement is useful to include a template and return the
+rendered contents of that file into the current namespace::
+
+ {% include 'header.html' %}
+ Body
+ {% include 'footer.html' %}
+
+Included templates have access to the variables of the active context by
+default. For more details about context behavior of imports and includes
+see :ref:`import-visibility`.
+
+From Jinja 2.2 onwards you can mark an include with ``ignore missing`` in
+which case Jinja will ignore the statement if the template to be ignored
+does not exist. When combined with ``with`` or ``without context`` it has
+to be placed *before* the context visibility statement. Here some valid
+examples::
+
+ {% include "sidebar.html" ignore missing %}
+ {% include "sidebar.html" ignore missing with context %}
+ {% include "sidebar.html" ignore missing without context %}
+
+.. versionadded:: 2.2
+
+You can also provide a list of templates that are checked for existence
+before inclusion. The first template that exists will be included. If
+`ignore missing` is given, it will fall back to rendering nothing if
+none of the templates exist, otherwise it will raise an exception.
+
+Example::
+
+ {% include ['page_detailed.html', 'page.html'] %}
+ {% include ['special_sidebar.html', 'sidebar.html'] ignore missing %}
+
+.. versionchanged:: 2.4
+ If a template object was passed to the template context you can
+ include that object using `include`.
+
+.. _import:
+
+Import
+~~~~~~
+
+Jinja2 supports putting often used code into macros. These macros can go into
+different templates and get imported from there. This works similar to the
+import statements in Python. It's important to know that imports are cached
+and imported templates don't have access to the current template variables,
+just the globals by defualt. For more details about context behavior of
+imports and includes see :ref:`import-visibility`.
+
+There are two ways to import templates. You can import the complete template
+into a variable or request specific macros / exported variables from it.
+
+Imagine we have a helper module that renders forms (called `forms.html`)::
+
+ {% macro input(name, value='', type='text') -%}
+ <input type="{{ type }}" value="{{ value|e }}" name="{{ name }}">
+ {%- endmacro %}
+
+ {%- macro textarea(name, value='', rows=10, cols=40) -%}
+ <textarea name="{{ name }}" rows="{{ rows }}" cols="{{ cols
+ }}">{{ value|e }}</textarea>
+ {%- endmacro %}
+
+The easiest and most flexible is importing the whole module into a variable.
+That way you can access the attributes::
+
+ {% import 'forms.html' as forms %}
+ <dl>
+ <dt>Username</dt>
+ <dd>{{ forms.input('username') }}</dd>
+ <dt>Password</dt>
+ <dd>{{ forms.input('password', type='password') }}</dd>
+ </dl>
+ <p>{{ forms.textarea('comment') }}</p>
+
+
+Alternatively you can import names from the template into the current
+namespace::
+
+ {% from 'forms.html' import input as input_field, textarea %}
+ <dl>
+ <dt>Username</dt>
+ <dd>{{ input_field('username') }}</dd>
+ <dt>Password</dt>
+ <dd>{{ input_field('password', type='password') }}</dd>
+ </dl>
+ <p>{{ textarea('comment') }}</p>
+
+Macros and variables starting with one ore more underscores are private and
+cannot be imported.
+
+.. versionchanged:: 2.4
+ If a template object was passed to the template context you can
+ import from that object.
+
+
+.. _import-visibility:
+
+Import Context Behavior
+-----------------------
+
+Per default included templates are passed the current context and imported
+templates not. The reason for this is that imports unlike includes are
+cached as imports are often used just as a module that holds macros.
+
+This however can be changed of course explicitly. By adding `with context`
+or `without context` to the import/include directive the current context
+can be passed to the template and caching is disabled automatically.
+
+Here two examples::
+
+ {% from 'forms.html' import input with context %}
+ {% include 'header.html' without context %}
+
+.. admonition:: Note
+
+ In Jinja 2.0 the context that was passed to the included template
+ did not include variables defined in the template. As a matter of
+ fact this did not work::
+
+ {% for box in boxes %}
+ {% include "render_box.html" %}
+ {% endfor %}
+
+ The included template ``render_box.html`` is not able to access
+ `box` in Jinja 2.0, but in Jinja 2.1.
+
+
+.. _expressions:
+
+Expressions
+-----------
+
+Jinja allows basic expressions everywhere. These work very similar to regular
+Python and even if you're not working with Python you should feel comfortable
+with it.
+
+Literals
+~~~~~~~~
+
+The simplest form of expressions are literals. Literals are representations
+for Python objects such as strings and numbers. The following literals exist:
+
+"Hello World":
+ Everything between two double or single quotes is a string. They are
+ useful whenever you need a string in the template (for example as
+ arguments to function calls, filters or just to extend or include a
+ template).
+
+42 / 42.23:
+ Integers and floating point numbers are created by just writing the
+ number down. If a dot is present the number is a float, otherwise an
+ integer. Keep in mind that for Python ``42`` and ``42.0`` is something
+ different.
+
+['list', 'of', 'objects']:
+ Everything between two brackets is a list. Lists are useful to store
+ sequential data in or to iterate over them. For example you can easily
+ create a list of links using lists and tuples with a for loop::
+
+ <ul>
+ {% for href, caption in [('index.html', 'Index'), ('about.html', 'About'),
+ ('downloads.html', 'Downloads')] %}
+ <li><a href="{{ href }}">{{ caption }}</a></li>
+ {% endfor %}
+ </ul>
+
+('tuple', 'of', 'values'):
+ Tuples are like lists, just that you can't modify them. If the tuple
+ only has one item you have to end it with a comma. Tuples are usually
+ used to represent items of two or more elements. See the example above
+ for more details.
+
+{'dict': 'of', 'key': 'and', 'value': 'pairs'}:
+ A dict in Python is a structure that combines keys and values. Keys must
+ be unique and always have exactly one value. Dicts are rarely used in
+ templates, they are useful in some rare cases such as the :func:`xmlattr`
+ filter.
+
+true / false:
+ true is always true and false is always false.
+
+.. admonition:: Note
+
+ The special constants `true`, `false` and `none` are indeed lowercase.
+ Because that caused confusion in the past, when writing `True` expands
+ to an undefined variable that is considered false, all three of them can
+ be written in title case too (`True`, `False`, and `None`). However for
+ consistency (all Jinja identifiers are lowercase) you should use the
+ lowercase versions.
+
+Math
+~~~~
+
+Jinja allows you to calculate with values. This is rarely useful in templates
+but exists for completeness' sake. The following operators are supported:
+
+\+
+ Adds two objects together. Usually the objects are numbers but if both are
+ strings or lists you can concatenate them this way. This however is not
+ the preferred way to concatenate strings! For string concatenation have
+ a look at the ``~`` operator. ``{{ 1 + 1 }}`` is ``2``.
+
+\-
+ Substract the second number from the first one. ``{{ 3 - 2 }}`` is ``1``.
+
+/
+ Divide two numbers. The return value will be a floating point number.
+ ``{{ 1 / 2 }}`` is ``{{ 0.5 }}``.
+
+//
+ Divide two numbers and return the truncated integer result.
+ ``{{ 20 / 7 }}`` is ``2``.
+
+%
+ Calculate the remainder of an integer division. ``{{ 11 % 7 }}`` is ``4``.
+
+\*
+ Multiply the left operand with the right one. ``{{ 2 * 2 }}`` would
+ return ``4``. This can also be used to repeat a string multiple times.
+ ``{{ '=' * 80 }}`` would print a bar of 80 equal signs.
+
+\**
+ Raise the left operand to the power of the right operand. ``{{ 2**3 }}``
+ would return ``8``.
+
+Comparisons
+~~~~~~~~~~~
+
+==
+ Compares two objects for equality.
+
+!=
+ Compares two objects for inequality.
+
+>
+ `true` if the left hand side is greater than the right hand side.
+
+>=
+ `true` if the left hand side is greater or equal to the right hand side.
+
+<
+ `true` if the left hand side is lower than the right hand side.
+
+<=
+ `true` if the left hand side is lower or equal to the right hand side.
+
+Logic
+~~~~~
+
+For `if` statements, `for` filtering or `if` expressions it can be useful to
+combine multiple expressions:
+
+and
+ Return true if the left and the right operand is true.
+
+or
+ Return true if the left or the right operand is true.
+
+not
+ negate a statement (see below).
+
+(expr)
+ group an expression.
+
+.. admonition:: Note
+
+ The ``is`` and ``in`` operators support negation using an infix notation
+ too: ``foo is not bar`` and ``foo not in bar`` instead of ``not foo is bar``
+ and ``not foo in bar``. All other expressions require a prefix notation:
+ ``not (foo and bar).``
+
+
+Other Operators
+~~~~~~~~~~~~~~~
+
+The following operators are very useful but don't fit into any of the other
+two categories:
+
+in
+ Perform sequence / mapping containment test. Returns true if the left
+ operand is contained in the right. ``{{ 1 in [1, 2, 3] }}`` would for
+ example return true.
+
+is
+ Performs a :ref:`test <tests>`.
+
+\|
+ Applies a :ref:`filter <filters>`.
+
+~
+ Converts all operands into strings and concatenates them.
+ ``{{ "Hello " ~ name ~ "!" }}`` would return (assuming `name` is
+ ``'John'``) ``Hello John!``.
+
+()
+ Call a callable: ``{{ post.render() }}``. Inside of the parentheses you
+ can use positional arguments and keyword arguments like in python:
+ ``{{ post.render(user, full=true) }}``.
+
+. / []
+ Get an attribute of an object. (See :ref:`variables`)
+
+
+.. _if-expression:
+
+If Expression
+~~~~~~~~~~~~~
+
+It is also possible to use inline `if` expressions. These are useful in some
+situations. For example you can use this to extend from one template if a
+variable is defined, otherwise from the default layout template::
+
+ {% extends layout_template if layout_template is defined else 'master.html' %}
+
+The general syntax is ``<do something> if <something is true> else <do
+something else>``.
+
+The `else` part is optional. If not provided the else block implicitly
+evaluates into an undefined object::
+
+ {{ '[%s]' % page.title if page.title }}
+
+
+.. _builtin-filters:
+
+List of Builtin Filters
+-----------------------
+
+.. jinjafilters::
+
+
+.. _builtin-tests:
+
+List of Builtin Tests
+---------------------
+
+.. jinjatests::
+
+.. _builtin-globals:
+
+List of Global Functions
+------------------------
+
+The following functions are available in the global scope by default:
+
+.. function:: range([start,] stop[, step])
+
+ Return a list containing an arithmetic progression of integers.
+ range(i, j) returns [i, i+1, i+2, ..., j-1]; start (!) defaults to 0.
+ When step is given, it specifies the increment (or decrement).
+ For example, range(4) returns [0, 1, 2, 3]. The end point is omitted!
+ These are exactly the valid indices for a list of 4 elements.
+
+ This is useful to repeat a template block multiple times for example
+ to fill a list. Imagine you have 7 users in the list but you want to
+ render three empty items to enforce a height with CSS::
+
+ <ul>
+ {% for user in users %}
+ <li>{{ user.username }}</li>
+ {% endfor %}
+ {% for number in range(10 - users|count) %}
+ <li class="empty"><span>...</span></li>
+ {% endfor %}
+ </ul>
+
+.. function:: lipsum(n=5, html=True, min=20, max=100)
+
+ Generates some lorem ipsum for the template. Per default five paragraphs
+ with HTML are generated each paragraph between 20 and 100 words. If html
+ is disabled regular text is returned. This is useful to generate simple
+ contents for layout testing.
+
+.. function:: dict(\**items)
+
+ A convenient alternative to dict literals. ``{'foo': 'bar'}`` is the same
+ as ``dict(foo='bar')``.
+
+.. class:: cycler(\*items)
+
+ The cycler allows you to cycle among values similar to how `loop.cycle`
+ works. Unlike `loop.cycle` however you can use this cycler outside of
+ loops or over multiple loops.
+
+ This is for example very useful if you want to show a list of folders and
+ files, with the folders on top, but both in the same list with alternating
+ row colors.
+
+ The following example shows how `cycler` can be used::
+
+ {% set row_class = cycler('odd', 'even') %}
+ <ul class="browser">
+ {% for folder in folders %}
+ <li class="folder {{ row_class.next() }}">{{ folder|e }}</li>
+ {% endfor %}
+ {% for filename in files %}
+ <li class="file {{ row_class.next() }}">{{ filename|e }}</li>
+ {% endfor %}
+ </ul>
+
+ A cycler has the following attributes and methods:
+
+ .. method:: reset()
+
+ Resets the cycle to the first item.
+
+ .. method:: next()
+
+ Goes one item a head and returns the then current item.
+
+ .. attribute:: current
+
+ Returns the current item.
+
+ **new in Jinja 2.1**
+
+.. class:: joiner(sep=', ')
+
+ A tiny helper that can be use to "join" multiple sections. A joiner is
+ passed a string and will return that string every time it's calld, except
+ the first time in which situation it returns an empty string. You can
+ use this to join things::
+
+ {% set pipe = joiner("|") %}
+ {% if categories %} {{ pipe() }}
+ Categories: {{ categories|join(", ") }}
+ {% endif %}
+ {% if author %} {{ pipe() }}
+ Author: {{ author() }}
+ {% endif %}
+ {% if can_edit %} {{ pipe() }}
+ <a href="?action=edit">Edit</a>
+ {% endif %}
+
+ **new in Jinja 2.1**
+
+
+Extensions
+----------
+
+The following sections cover the built-in Jinja2 extensions that may be
+enabled by the application. The application could also provide further
+extensions not covered by this documentation. In that case there should
+be a separate document explaining the extensions.
+
+.. _i18n-in-templates:
+
+i18n
+~~~~
+
+If the i18n extension is enabled it's possible to mark parts in the template
+as translatable. To mark a section as translatable you can use `trans`::
+
+ <p>{% trans %}Hello {{ user }}!{% endtrans %}</p>
+
+To translate a template expression --- say, using template filters or just
+accessing an attribute of an object --- you need to bind the expression to a
+name for use within the translation block::
+
+ <p>{% trans user=user.username %}Hello {{ user }}!{% endtrans %}</p>
+
+If you need to bind more than one expression inside a `trans` tag, separate
+the pieces with a comma (``,``)::
+
+ {% trans book_title=book.title, author=author.name %}
+ This is {{ book_title }} by {{ author }}
+ {% endtrans %}
+
+Inside trans tags no statements are allowed, only variable tags are.
+
+To pluralize, specify both the singular and plural forms with the `pluralize`
+tag, which appears between `trans` and `endtrans`::
+
+ {% trans count=list|length %}
+ There is {{ count }} {{ name }} object.
+ {% pluralize %}
+ There are {{ count }} {{ name }} objects.
+ {% endtrans %}
+
+Per default the first variable in a block is used to determine the correct
+singular or plural form. If that doesn't work out you can specify the name
+which should be used for pluralizing by adding it as parameter to `pluralize`::
+
+ {% trans ..., user_count=users|length %}...
+ {% pluralize user_count %}...{% endtrans %}
+
+It's also possible to translate strings in expressions. For that purpose
+three functions exist:
+
+_ `gettext`: translate a single string
+- `ngettext`: translate a pluralizable string
+- `_`: alias for `gettext`
+
+For example you can print a translated string easily this way::
+
+ {{ _('Hello World!') }}
+
+To use placeholders you can use the `format` filter::
+
+ {{ _('Hello %(user)s!')|format(user=user.username) }}
+
+For multiple placeholders always use keyword arguments to `format` as other
+languages may not use the words in the same order.
+
+.. versionchanged:: 2.5
+
+If newstyle gettext calls are activated (:ref:`newstyle-gettext`), using
+placeholders is a lot easier:
+
+.. sourcecode:: html+jinja
+
+ {{ gettext('Hello World!') }}
+ {{ gettext('Hello %(name)s!', name='World') }}
+ {{ ngettext('%(num)d apple', '%(num)d apples', apples|count) }}
+
+Note that the `ngettext` function's format string automatically recieves
+the count as `num` parameter additionally to the regular parameters.
+
+
+Expression Statement
+~~~~~~~~~~~~~~~~~~~~
+
+If the expression-statement extension is loaded a tag called `do` is available
+that works exactly like the regular variable expression (``{{ ... }}``) just
+that it doesn't print anything. This can be used to modify lists::
+
+ {% do navigation.append('a string') %}
+
+
+Loop Controls
+~~~~~~~~~~~~~
+
+If the application enables the :ref:`loopcontrols-extension` it's possible to
+use `break` and `continue` in loops. When `break` is reached, the loop is
+terminated, if `continue` is eached the processing is stopped and continues
+with the next iteration.
+
+Here a loop that skips every second item::
+
+ {% for user in users %}
+ {%- if loop.index is even %}{% continue %}{% endif %}
+ ...
+ {% endfor %}
+
+Likewise a look that stops processing after the 10th iteration::
+
+ {% for user in users %}
+ {%- if loop.index >= 10 %}{% break %}{% endif %}
+ {%- endfor %}
+
+
+With Statement
+~~~~~~~~~~~~~~
+
+.. versionadded:: 2.3
+
+If the application enables the :ref:`with-extension` it is possible to
+use the `with` keyword in templates. This makes it possible to create
+a new inner scope. Variables set within this scope are not visible
+outside of the scope.
+
+With in a nutshell::
+
+ {% with %}
+ {% set foo = 42 %}
+ {{ foo }} foo is 42 here
+ {% endwith %}
+ foo is not visible here any longer
+
+Because it is common to set variables at the beginning of the scope
+you can do that within the with statement. The following two examples
+are equivalent::
+
+ {% with foo = 42 %}
+ {{ foo }}
+ {% endwith %}
+
+ {% with %}
+ {% set foo = 42 %}
+ {{ foo }}
+ {% endwith %}
+
+.. _autoescape-overrides:
+
+Autoescape Extension
+--------------------
+
+.. versionadded:: 2.4
+
+If the application enables the :ref:`autoescape-extension` one can
+activate and deactivate the autoescaping from within the templates.
+
+Example::
+
+ {% autoescape true %}
+ Autoescaping is active within this block
+ {% endautoescape %}
+
+ {% autoescape false %}
+ Autoescaping is inactive within this block
+ {% endautoescape %}
+
+After the `endautoescape` the behavior is reverted to what it was before.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/tricks.rst
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/docs/tricks.rst b/ambari-common/src/main/python/jinja2/docs/tricks.rst
new file mode 100644
index 0000000..566575e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/tricks.rst
@@ -0,0 +1,100 @@
+Tips and Tricks
+===============
+
+.. highlight:: html+jinja
+
+This part of the documentation shows some tips and tricks for Jinja2
+templates.
+
+
+.. _null-master-fallback:
+
+Null-Master Fallback
+--------------------
+
+Jinja2 supports dynamic inheritance and does not distinguish between parent
+and child template as long as no `extends` tag is visited. While this leads
+to the surprising behavior that everything before the first `extends` tag
+including whitespace is printed out instead of being igored, it can be used
+for a neat trick.
+
+Usually child templates extend from one template that adds a basic HTML
+skeleton. However it's possible put the `extends` tag into an `if` tag to
+only extend from the layout template if the `standalone` variable evaluates
+to false which it does per default if it's not defined. Additionally a very
+basic skeleton is added to the file so that if it's indeed rendered with
+`standalone` set to `True` a very basic HTML skeleton is added::
+
+ {% if not standalone %}{% extends 'master.html' %}{% endif -%}
+ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+ <title>{% block title %}The Page Title{% endblock %}</title>
+ <link rel="stylesheet" href="style.css" type="text/css">
+ {% block body %}
+ <p>This is the page body.</p>
+ {% endblock %}
+
+
+Alternating Rows
+----------------
+
+If you want to have different styles for each row of a table or
+list you can use the `cycle` method on the `loop` object::
+
+ <ul>
+ {% for row in rows %}
+ <li class="{{ loop.cycle('odd', 'even') }}">{{ row }}</li>
+ {% endfor %}
+ </ul>
+
+`cycle` can take an unlimited amount of strings. Each time this
+tag is encountered the next item from the list is rendered.
+
+
+Highlighting Active Menu Items
+------------------------------
+
+Often you want to have a navigation bar with an active navigation
+item. This is really simple to achieve. Because assignments outside
+of `block`\s in child templates are global and executed before the layout
+template is evaluated it's possible to define the active menu item in the
+child template::
+
+ {% extends "layout.html" %}
+ {% set active_page = "index" %}
+
+The layout template can then access `active_page`. Additionally it makes
+sense to defined a default for that variable::
+
+ {% set navigation_bar = [
+ ('/', 'index', 'Index'),
+ ('/downloads/', 'downloads', 'Downloads'),
+ ('/about/', 'about', 'About')
+ ] -%}
+ {% set active_page = active_page|default('index') -%}
+ ...
+ <ul id="navigation">
+ {% for href, id, caption in navigation_bar %}
+ <li{% if id == active_page %} class="active"{% endif
+ %}><a href="{{ href|e }}">{{ caption|e }}</a>/li>
+ {% endfor %}
+ </ul>
+ ...
+
+.. _accessing-the-parent-loop:
+
+Accessing the parent Loop
+-------------------------
+
+The special `loop` variable always points to the innermost loop. If it's
+desired to have access to an outer loop it's possible to alias it::
+
+ <table>
+ {% for row in table %}
+ <tr>
+ {% set rowloop = loop %}
+ {% for cell in row %}
+ <td id="cell-{{ rowloop.index }}-{{ loop.index }}>{{ cell }}</td>
+ {% endfor %}
+ </tr>
+ {% endfor %}
+ </table>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/cycle.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/cycle.py b/ambari-common/src/main/python/jinja2/examples/basic/cycle.py
new file mode 100644
index 0000000..73dd632
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/cycle.py
@@ -0,0 +1,13 @@
+from jinja2 import Environment
+
+
+env = Environment(line_statement_prefix="#", variable_start_string="${", variable_end_string="}")
+
+
+print env.from_string("""\
+<ul>
+# for item in range(10)
+ <li class="${loop.cycle('odd', 'even')}">${item}</li>
+# endfor
+</ul>\
+""").render()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/debugger.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/debugger.py b/ambari-common/src/main/python/jinja2/examples/basic/debugger.py
new file mode 100644
index 0000000..4291ff7
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/debugger.py
@@ -0,0 +1,7 @@
+from jinja2 import Environment
+from jinja2.loaders import FileSystemLoader
+
+env = Environment(loader=FileSystemLoader('templates'))
+
+tmpl = env.get_template('broken.html')
+print tmpl.render(seq=[3, 2, 4, 5, 3, 2, 0, 2, 1])
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/inheritance.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/inheritance.py b/ambari-common/src/main/python/jinja2/examples/basic/inheritance.py
new file mode 100644
index 0000000..aa687c8
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/inheritance.py
@@ -0,0 +1,12 @@
+from jinja2 import Environment
+from jinja2.loaders import DictLoader
+
+
+env = Environment(loader=DictLoader({
+'a': '''[A[{% block body %}{% endblock %}]]''',
+'b': '''{% extends 'a' %}{% block body %}[B]{% endblock %}''',
+'c': '''{% extends 'b' %}{% block body %}###{{ super() }}###{% endblock %}'''
+}))
+
+
+print env.get_template('c').render()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/templates/broken.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/templates/broken.html b/ambari-common/src/main/python/jinja2/examples/basic/templates/broken.html
new file mode 100644
index 0000000..294d5c9
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/templates/broken.html
@@ -0,0 +1,6 @@
+{% from 'subbroken.html' import may_break %}
+<ul>
+{% for item in seq %}
+ <li>{{ may_break(item) }}</li>
+{% endfor %}
+</ul>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/templates/subbroken.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/templates/subbroken.html b/ambari-common/src/main/python/jinja2/examples/basic/templates/subbroken.html
new file mode 100644
index 0000000..245eb7e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/templates/subbroken.html
@@ -0,0 +1,3 @@
+{% macro may_break(item) -%}
+ [{{ item / 0 }}]
+{%- endmacro %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/test.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/test.py b/ambari-common/src/main/python/jinja2/examples/basic/test.py
new file mode 100644
index 0000000..b62c84f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/test.py
@@ -0,0 +1,27 @@
+from jinja2 import Environment
+from jinja2.loaders import DictLoader
+
+env = Environment(loader=DictLoader({
+'child.html': u'''\
+{% extends master_layout or 'master.html' %}
+{% include helpers = 'helpers.html' %}
+{% macro get_the_answer() %}42{% endmacro %}
+{% title = 'Hello World' %}
+{% block body %}
+ {{ get_the_answer() }}
+ {{ helpers.conspirate() }}
+{% endblock %}
+''',
+'master.html': u'''\
+<!doctype html>
+<title>{{ title }}</title>
+{% block body %}{% endblock %}
+''',
+'helpers.html': u'''\
+{% macro conspirate() %}23{% endmacro %}
+'''
+}))
+
+
+tmpl = env.get_template("child.html")
+print tmpl.render()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/test_filter_and_linestatements.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/test_filter_and_linestatements.py b/ambari-common/src/main/python/jinja2/examples/basic/test_filter_and_linestatements.py
new file mode 100644
index 0000000..c9e8f95
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/test_filter_and_linestatements.py
@@ -0,0 +1,25 @@
+from jinja2 import Environment
+
+
+env = Environment(line_statement_prefix='%', variable_start_string="${", variable_end_string="}")
+tmpl = env.from_string("""\
+% macro foo()
+ ${caller(42)}
+% endmacro
+<ul>
+% for item in seq
+ <li>${item}</li>
+% endfor
+</ul>
+% call(var) foo()
+ [${var}]
+% endcall
+% filter escape
+ <hello world>
+ % for item in [1, 2, 3]
+ - ${item}
+ % endfor
+% endfilter
+""")
+
+print tmpl.render(seq=range(10))
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/test_loop_filter.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/test_loop_filter.py b/ambari-common/src/main/python/jinja2/examples/basic/test_loop_filter.py
new file mode 100644
index 0000000..49c2efc
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/test_loop_filter.py
@@ -0,0 +1,12 @@
+from jinja2 import Environment
+
+tmpl = Environment().from_string("""\
+<ul>
+{%- for item in [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] if item % 2 == 0 %}
+ <li>{{ loop.index }} / {{ loop.length }}: {{ item }}</li>
+{%- endfor %}
+</ul>
+if condition: {{ 1 if foo else 0 }}
+""")
+
+print tmpl.render(foo=True)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/basic/translate.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/basic/translate.py b/ambari-common/src/main/python/jinja2/examples/basic/translate.py
new file mode 100644
index 0000000..3358765
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/basic/translate.py
@@ -0,0 +1,6 @@
+from jinja2 import Environment
+
+print Environment(extensions=['jinja2.i18n.TransExtension']).from_string("""\
+{% trans %}Hello {{ user }}!{% endtrans %}
+{% trans count=users|count %}{{ count }} user{% pluralize %}{{ count }} users{% endtrans %}
+""").render(user="someone")
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/bench.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/bench.py b/ambari-common/src/main/python/jinja2/examples/bench.py
new file mode 100644
index 0000000..c648dc6
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/bench.py
@@ -0,0 +1,433 @@
+"""\
+ This benchmark compares some python templating engines with Jinja 2 so
+ that we get a picture of how fast Jinja 2 is for a semi real world
+ template. If a template engine is not installed the test is skipped.\
+"""
+import sys
+import cgi
+from timeit import Timer
+from jinja2 import Environment as JinjaEnvironment
+
+context = {
+ 'page_title': 'mitsuhiko\'s benchmark',
+ 'table': [dict(a=1,b=2,c=3,d=4,e=5,f=6,g=7,h=8,i=9,j=10) for x in range(1000)]
+}
+
+jinja_template = JinjaEnvironment(
+ line_statement_prefix='%',
+ variable_start_string="${",
+ variable_end_string="}"
+).from_string("""\
+<!doctype html>
+<html>
+ <head>
+ <title>${page_title|e}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title|e}</h1>
+ </div>
+ <ul class="navigation">
+ % for href, caption in [
+ ('index.html', 'Index'),
+ ('downloads.html', 'Downloads'),
+ ('products.html', 'Products')
+ ]
+ <li><a href="${href|e}">${caption|e}</a></li>
+ % endfor
+ </ul>
+ <div class="table">
+ <table>
+ % for row in table
+ <tr>
+ % for cell in row
+ <td>${cell}</td>
+ % endfor
+ </tr>
+ % endfor
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+def test_jinja():
+ jinja_template.render(context)
+
+try:
+ from tornado.template import Template
+except ImportError:
+ test_tornado = None
+else:
+ tornado_template = Template("""\
+<!doctype html>
+<html>
+ <head>
+ <title>{{ page_title }}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>{{ page_title }}</h1>
+ </div>
+ <ul class="navigation">
+ {% for href, caption in [ \
+ ('index.html', 'Index'), \
+ ('downloads.html', 'Downloads'), \
+ ('products.html', 'Products') \
+ ] %}
+ <li><a href="{{ href }}">{{ caption }}</a></li>
+ {% end %}
+ </ul>
+ <div class="table">
+ <table>
+ {% for row in table %}
+ <tr>
+ {% for cell in row %}
+ <td>{{ cell }}</td>
+ {% end %}
+ </tr>
+ {% end %}
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+ def test_tornado():
+ tornado_template.generate(**context)
+
+try:
+ from django.conf import settings
+ settings.configure()
+ from django.template import Template as DjangoTemplate, Context as DjangoContext
+except ImportError:
+ test_django = None
+else:
+ django_template = DjangoTemplate("""\
+<!doctype html>
+<html>
+ <head>
+ <title>{{ page_title }}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>{{ page_title }}</h1>
+ </div>
+ <ul class="navigation">
+ {% for href, caption in navigation %}
+ <li><a href="{{ href }}">{{ caption }}</a></li>
+ {% endfor %}
+ </ul>
+ <div class="table">
+ <table>
+ {% for row in table %}
+ <tr>
+ {% for cell in row %}
+ <td>{{ cell }}</td>
+ {% endfor %}
+ </tr>
+ {% endfor %}
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+ def test_django():
+ c = DjangoContext(context)
+ c['navigation'] = [('index.html', 'Index'), ('downloads.html', 'Downloads'),
+ ('products.html', 'Products')]
+ django_template.render(c)
+
+try:
+ from mako.template import Template as MakoTemplate
+except ImportError:
+ test_mako = None
+else:
+ mako_template = MakoTemplate("""\
+<!doctype html>
+<html>
+ <head>
+ <title>${page_title|h}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title|h}</h1>
+ </div>
+ <ul class="navigation">
+ % for href, caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]:
+ <li><a href="${href|h}">${caption|h}</a></li>
+ % endfor
+ </ul>
+ <div class="table">
+ <table>
+ % for row in table:
+ <tr>
+ % for cell in row:
+ <td>${cell}</td>
+ % endfor
+ </tr>
+ % endfor
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+ def test_mako():
+ mako_template.render(**context)
+
+try:
+ from genshi.template import MarkupTemplate as GenshiTemplate
+except ImportError:
+ test_genshi = None
+else:
+ genshi_template = GenshiTemplate("""\
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:py="http://genshi.edgewall.org/">
+ <head>
+ <title>${page_title}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title}</h1>
+ </div>
+ <ul class="navigation">
+ <li py:for="href, caption in [
+ ('index.html', 'Index'),
+ ('downloads.html', 'Downloads'),
+ ('products.html', 'Products')]"><a href="${href}">${caption}</a></li>
+ </ul>
+ <div class="table">
+ <table>
+ <tr py:for="row in table">
+ <td py:for="cell in row">${cell}</td>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+ def test_genshi():
+ genshi_template.generate(**context).render('html', strip_whitespace=False)
+
+try:
+ from Cheetah.Template import Template as CheetahTemplate
+except ImportError:
+ test_cheetah = None
+else:
+ cheetah_template = CheetahTemplate("""\
+#import cgi
+<!doctype html>
+<html>
+ <head>
+ <title>$cgi.escape($page_title)</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>$cgi.escape($page_title)</h1>
+ </div>
+ <ul class="navigation">
+ #for $href, $caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]:
+ <li><a href="$cgi.escape($href)">$cgi.escape($caption)</a></li>
+ #end for
+ </ul>
+ <div class="table">
+ <table>
+ #for $row in $table:
+ <tr>
+ #for $cell in $row:
+ <td>$cell</td>
+ #end for
+ </tr>
+ #end for
+ </table>
+ </div>
+ </body>
+</html>\
+""", searchList=[dict(context)])
+
+ def test_cheetah():
+ unicode(cheetah_template)
+
+try:
+ import tenjin
+except ImportError:
+ test_tenjin = None
+else:
+ tenjin_template = tenjin.Template()
+ tenjin_template.convert("""\
+<!doctype html>
+<html>
+ <head>
+ <title>${page_title}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title}</h1>
+ </div>
+ <ul class="navigation">
+<?py for href, caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]: ?>
+ <li><a href="${href}">${caption}</a></li>
+<?py #end ?>
+ </ul>
+ <div class="table">
+ <table>
+<?py for row in table: ?>
+ <tr>
+<?py for cell in row: ?>
+ <td>#{cell}</td>
+<?py #end ?>
+ </tr>
+<?py #end ?>
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+
+ def test_tenjin():
+ from tenjin.helpers import escape, to_str
+ tenjin_template.render(context, locals())
+
+try:
+ from spitfire.compiler import util as SpitfireTemplate
+ from spitfire.compiler.analyzer import o2_options as spitfire_optimizer
+except ImportError:
+ test_spitfire = None
+else:
+ spitfire_template = SpitfireTemplate.load_template("""\
+<!doctype html>
+<html>
+ <head>
+ <title>$cgi.escape($page_title)</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>$cgi.escape($page_title)</h1>
+ </div>
+ <ul class="navigation">
+ #for $href, $caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]
+ <li><a href="$cgi.escape($href)">$cgi.escape($caption)</a></li>
+ #end for
+ </ul>
+ <div class="table">
+ <table>
+ #for $row in $table
+ <tr>
+ #for $cell in $row
+ <td>$cell</td>
+ #end for
+ </tr>
+ #end for
+ </table>
+ </div>
+ </body>
+</html>\
+""", 'spitfire_tmpl', spitfire_optimizer, {'enable_filters': False})
+ spitfire_context = dict(context, **{'cgi': cgi})
+
+ def test_spitfire():
+ spitfire_template(search_list=[spitfire_context]).main()
+
+
+try:
+ from chameleon.zpt.template import PageTemplate
+except ImportError:
+ test_chameleon = None
+else:
+ chameleon_template = PageTemplate("""\
+<html xmlns:tal="http://xml.zope.org/namespaces/tal">
+ <head>
+ <title tal:content="page_title">Page Title</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1 tal:content="page_title">Page Title</h1>
+ </div>
+ <ul class="navigation">
+ <li tal:repeat="item sections"><a tal:attributes="href item[0]" tal:content="item[1]">caption</a></li>
+ </ul>
+ <div class="table">
+ <table>
+ <tr tal:repeat="row table">
+ <td tal:repeat="cell row" tal:content="row[cell]">cell</td>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>\
+""")
+ chameleon_context = dict(context)
+ chameleon_context['sections'] = [
+ ('index.html', 'Index'),
+ ('downloads.html', 'Downloads'),
+ ('products.html', 'Products')
+ ]
+ def test_chameleon():
+ chameleon_template.render(**chameleon_context)
+
+try:
+ from chameleon.zpt.template import PageTemplate
+ from chameleon.genshi import language
+except ImportError:
+ test_chameleon_genshi = None
+else:
+ chameleon_genshi_template = PageTemplate("""\
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:py="http://genshi.edgewall.org/">
+ <head>
+ <title>${page_title}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title}</h1>
+ </div>
+ <ul class="navigation">
+ <li py:for="info in sections"><a href="${info[0]}">${info[1]}</a></li>
+ </ul>
+ <div class="table">
+ <table>
+ <tr py:for="row in table">
+ <td py:for="cell in row">${row[cell]}</td>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>\
+""", parser=language.Parser())
+ chameleon_genshi_context = dict(context)
+ chameleon_genshi_context['sections'] = [
+ ('index.html', 'Index'),
+ ('downloads.html', 'Downloads'),
+ ('products.html', 'Products')
+ ]
+ def test_chameleon_genshi():
+ chameleon_genshi_template.render(**chameleon_genshi_context)
+
+
+sys.stdout.write('\r' + '\n'.join((
+ '=' * 80,
+ 'Template Engine BigTable Benchmark'.center(80),
+ '=' * 80,
+ __doc__,
+ '-' * 80
+)) + '\n')
+
+
+for test in 'jinja', 'mako', 'tornado', 'tenjin', 'spitfire', 'django', 'genshi', 'cheetah', 'chameleon', 'chameleon_genshi':
+ if locals()['test_' + test] is None:
+ sys.stdout.write(' %-20s*not installed*\n' % test)
+ continue
+ t = Timer(setup='from __main__ import test_%s as bench' % test,
+ stmt='bench()')
+ sys.stdout.write(' >> %-20s<running>' % test)
+ sys.stdout.flush()
+ sys.stdout.write('\r %-20s%.4f seconds\n' % (test, t.timeit(number=50) / 50))
+sys.stdout.write('-' * 80 + '\n')
+sys.stdout.write('''\
+ WARNING: The results of this benchmark are useless to compare the
+ performance of template engines and should not be taken seriously in any
+ way. It's testing the performance of simple loops and has no real-world
+ usefulnes. It only used to check if changes on the Jinja code affect
+ performance in a good or bad way and how it roughly compares to others.
+''' + '=' * 80 + '\n')
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/profile.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/profile.py b/ambari-common/src/main/python/jinja2/examples/profile.py
new file mode 100644
index 0000000..0c907ae
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/profile.py
@@ -0,0 +1,52 @@
+try:
+ from cProfile import Profile
+except ImportError:
+ from profile import Profile
+from pstats import Stats
+from jinja2 import Environment as JinjaEnvironment
+
+context = {
+ 'page_title': 'mitsuhiko\'s benchmark',
+ 'table': [dict(a=1,b=2,c=3,d=4,e=5,f=6,g=7,h=8,i=9,j=10) for x in range(1000)]
+}
+
+source = """\
+% macro testmacro(x)
+ <span>${x}</span>
+% endmacro
+<!doctype html>
+<html>
+ <head>
+ <title>${page_title|e}</title>
+ </head>
+ <body>
+ <div class="header">
+ <h1>${page_title|e}</h1>
+ </div>
+ <div class="table">
+ <table>
+ % for row in table
+ <tr>
+ % for cell in row
+ <td>${testmacro(cell)}</td>
+ % endfor
+ </tr>
+ % endfor
+ </table>
+ </div>
+ </body>
+</html>\
+"""
+jinja_template = JinjaEnvironment(
+ line_statement_prefix='%',
+ variable_start_string="${",
+ variable_end_string="}"
+).from_string(source)
+print jinja_template.environment.compile(source, raw=True)
+
+
+p = Profile()
+p.runcall(lambda: jinja_template.render(context))
+stats = Stats(p)
+stats.sort_stats('time', 'calls')
+stats.print_stats()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/django/_form.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/django/_form.html b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_form.html
new file mode 100644
index 0000000..9c4f710
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_form.html
@@ -0,0 +1 @@
+<form action="{{ action }}" method="{{ method }}">{{ body }}</form>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/django/_input_field.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/django/_input_field.html b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_input_field.html
new file mode 100644
index 0000000..290fdbd
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_input_field.html
@@ -0,0 +1 @@
+<input type="{{ type }}" value="{{ value }}" name="{{ name }}">
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/django/_textarea.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/django/_textarea.html b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_textarea.html
new file mode 100644
index 0000000..7f10424
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/django/_textarea.html
@@ -0,0 +1 @@
+<textarea name="{{ name }}" rows="{{ rows }}" cols="{{ cols }}">{{ value }}</textarea>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/django/index.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/django/index.html b/ambari-common/src/main/python/jinja2/examples/rwbench/django/index.html
new file mode 100644
index 0000000..6f620bb
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/django/index.html
@@ -0,0 +1,29 @@
+{% extends "layout.html" %}
+{% block page_title %}Index Page{% endblock %}
+{% block body %}
+ {% for article in articles %}
+ {% if article.published %}
+ <div class="article">
+ <h2><a href="{{ article.href }}">{{ article.title }}</a></h2>
+ <p class="meta">written by <a href="{{ article.user.href }}">{{ article.user.username }}</a> on {{ article.pub_date|dateformat }}</p>
+ <div class="text">{{ article.body|safe }}</div>
+ </div>
+ {% endif %}
+ {% endfor %}
+ {% form %}
+ <dl>
+ <dt>Name</dt>
+ <dd>{% input_field 'name' %}</dd>
+ <dt>E-Mail</dt>
+ <dd>{% input_field 'email' %}</dd>
+ <dt>URL</dt>
+ <dd>{% input_field 'url' %}</dd>
+ <dt>Comment</dt>
+ <dd>{% textarea 'comment' %}</dd>
+ <dt>Captcha</dt>
+ <dd>{% input_field 'captcha' %}</dd>
+ </dl>
+ {% input_field '' 'submit' 'Submit' %}
+ {% input_field 'cancel' 'submit' 'Cancel' %}
+ {% endform %}
+{% endblock %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/django/layout.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/django/layout.html b/ambari-common/src/main/python/jinja2/examples/rwbench/django/layout.html
new file mode 100644
index 0000000..60039ce
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/django/layout.html
@@ -0,0 +1,29 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>{% block page_title %}{% endblock %} | RealWorld Benchmark</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+</head>
+<body>
+ <div class="contents">
+ <div class="header">
+ <h1>RealWorld Benchmark</h1>
+ <blockquote><p>
+ A less stupid benchmark for Mako and Jinja2 to get an impression how
+ code changes affect runtime performance.
+ </p></blockquote>
+ </div>
+ <ul class="navigation">
+ {% for href, caption in page_navigation %}
+ <li><a href="{{ href }}">{{ caption }}</a></li>
+ {% endfor %}
+ </ul>
+ <div class="body">
+ {% block body %}{% endblock %}
+ </div>
+ <div class="footer">
+ © Copyright 2008 by I don't know who.
+ </div>
+ </div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/djangoext.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/djangoext.py b/ambari-common/src/main/python/jinja2/examples/rwbench/djangoext.py
new file mode 100644
index 0000000..9e9fa6c
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/djangoext.py
@@ -0,0 +1,135 @@
+# -*- coding: utf-8 -*-
+from rwbench import ROOT
+from os.path import join
+from django.conf import settings
+settings.configure(
+ TEMPLATE_DIRS=(join(ROOT, 'django'),),
+ TEMPLATE_LOADERS=(
+ ('django.template.loaders.cached.Loader', (
+ 'django.template.loaders.filesystem.Loader',
+ )),
+ )
+)
+from django.template import loader as django_loader, Context as DjangoContext, \
+ Node, NodeList, Variable, TokenParser
+from django import template as django_template_module
+from django.template import Library
+
+
+# for django extensions. We monkey patch our extensions in so that
+# we don't have to initialize a more complex django setup.
+django_extensions = django_template_module.Library()
+django_template_module.builtins.append(django_extensions)
+
+
+from rwbench import dateformat
+django_extensions.filter(dateformat)
+
+
+def var_or_none(x):
+ if x is not None:
+ return Variable(x)
+
+
+# and more django extensions
+@django_extensions.tag
+def input_field(parser, token):
+ p = TokenParser(token.contents)
+ args = [p.value()]
+ while p.more():
+ args.append(p.value())
+ return InputFieldNode(*args)
+
+
+@django_extensions.tag
+def textarea(parser, token):
+ p = TokenParser(token.contents)
+ args = [p.value()]
+ while p.more():
+ args.append(p.value())
+ return TextareaNode(*args)
+
+
+@django_extensions.tag
+def form(parser, token):
+ p = TokenParser(token.contents)
+ args = []
+ while p.more():
+ args.append(p.value())
+ body = parser.parse(('endform',))
+ parser.delete_first_token()
+ return FormNode(body, *args)
+
+
+class InputFieldNode(Node):
+
+ def __init__(self, name, type=None, value=None):
+ self.name = var_or_none(name)
+ self.type = var_or_none(type)
+ self.value = var_or_none(value)
+
+ def render(self, context):
+ name = self.name.resolve(context)
+ type = 'text'
+ value = ''
+ if self.type is not None:
+ type = self.type.resolve(context)
+ if self.value is not None:
+ value = self.value.resolve(context)
+ tmpl = django_loader.get_template('_input_field.html')
+ return tmpl.render(DjangoContext({
+ 'name': name,
+ 'type': type,
+ 'value': value
+ }))
+
+
+class TextareaNode(Node):
+
+ def __init__(self, name, rows=None, cols=None, value=None):
+ self.name = var_or_none(name)
+ self.rows = var_or_none(rows)
+ self.cols = var_or_none(cols)
+ self.value = var_or_none(value)
+
+ def render(self, context):
+ name = self.name.resolve(context)
+ rows = 10
+ cols = 40
+ value = ''
+ if self.rows is not None:
+ rows = int(self.rows.resolve(context))
+ if self.cols is not None:
+ cols = int(self.cols.resolve(context))
+ if self.value is not None:
+ value = self.value.resolve(context)
+ tmpl = django_loader.get_template('_textarea.html')
+ return tmpl.render(DjangoContext({
+ 'name': name,
+ 'rows': rows,
+ 'cols': cols,
+ 'value': value
+ }))
+
+
+class FormNode(Node):
+
+ def __init__(self, body, action=None, method=None):
+ self.body = body
+ self.action = action
+ self.method = method
+
+ def render(self, context):
+ body = self.body.render(context)
+ action = ''
+ method = 'post'
+ if self.action is not None:
+ action = self.action.resolve(context)
+ if self.method is not None:
+ method = self.method.resolve(context)
+ tmpl = django_loader.get_template('_form.html')
+ return tmpl.render(DjangoContext({
+ 'body': body,
+ 'action': action,
+ 'method': method
+ }))
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/helpers.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/helpers.html b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/helpers.html
new file mode 100644
index 0000000..ecc6dc4
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/helpers.html
@@ -0,0 +1,12 @@
+<div xmlns="http://www.w3.org/1999/xhtml" xmlns:py="http://genshi.edgewall.org/"
+ py:strip="">
+
+ <py:def function="input_field(name='', value='', type='text')">
+ <input type="$type" value="$value" name="$name" />
+ </py:def>
+
+ <py:def function="textarea(name, value='', rows=10, cols=40)">
+ <textarea name="$name" rows="$rows" cols="cols">$value</textarea>
+ </py:def>
+
+</div>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/index.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/index.html b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/index.html
new file mode 100644
index 0000000..70f697d
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/index.html
@@ -0,0 +1,41 @@
+<?python
+ from rwbench import dateformat
+?>
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:py="http://genshi.edgewall.org/">
+ <xi:include href="layout.html" />
+ <xi:include href="helpers.html" />
+ <head><title>Index Page</title></head>
+ <body>
+ <div class="article" py:for="article in articles">
+ <py:if test="article.published">
+ <h2><a href="${article.href}">${article.title}</a></h2>
+ <p class="meta">written by <a href="${article.user.href}"
+ >${article.user.username}</a> on ${dateformat(article.pub_date)}</p>
+ <div class="text">${Markup(article.body)}</div>
+ </py:if>
+ </div>
+ <!--
+ For a fair and balanced comparison we would have to use a def here
+ that wraps the form data but I don't know what would be the best
+ Genshi equivalent for that. Quite frankly I doubt that this makes
+ sense in Genshi anyways.
+ -->
+ <form action="" method="post">
+ <dl>
+ <dt>Name</dt>
+ <dd>${input_field('name')}</dd>
+ <dt>E-Mail</dt>
+ <dd>${input_field('email')}</dd>
+ <dt>URL</dt>
+ <dd>${input_field('url')}</dd>
+ <dt>Comment</dt>
+ <dd>${textarea('comment')}</dd>
+ <dt>Captcha</dt>
+ <dd>${input_field('captcha')}</dd>
+ </dl>
+ ${input_field(type='submit', value='Submit')}
+ ${input_field(name='cancel', type='submit', value='Cancel')}
+ </form>
+ </body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/layout.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/layout.html b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/layout.html
new file mode 100644
index 0000000..b12aec4
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/genshi/layout.html
@@ -0,0 +1,30 @@
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:py="http://genshi.edgewall.org/" >
+ <py:match path="head" once="true">
+ <head>
+ <title>${select('title/text()')} | RealWorld Benchmark</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ </head>
+ </py:match>
+ <py:match path="body" once="true">
+ <body>
+ <div class="contents">
+ <div class="header">
+ <h1>RealWorld Benchmark</h1>
+ <blockquote><p>
+ A less stupid benchmark for Mako and Jinja2 to get an impression how
+ code changes affect runtime performance.
+ </p></blockquote>
+ </div>
+ <ul class="navigation">
+ <li py:for="href, caption in page_navigation"><a href="$href">$caption</a></li>
+ </ul>
+ <div class="body">
+ ${select('*|text()')}
+ </div>
+ <div class="footer">
+ © Copyright 2008 by I don't know who.
+ </div>
+ </div>
+ </body>
+ </py:match>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/helpers.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/helpers.html b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/helpers.html
new file mode 100644
index 0000000..89976aa
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/helpers.html
@@ -0,0 +1,12 @@
+{% macro input_field(name, value='', type='text') -%}
+ <input type="{{ type }}" value="{{ value|e }}" name="{{ name }}">
+{%- endmacro %}
+
+{% macro textarea(name, value='', rows=10, cols=40) -%}
+ <textarea name="{{ name }}" rows="{{ rows }}" cols="{{ cols }}">{{
+ value|e }}</textarea>
+{%- endmacro %}
+
+{% macro form(action='', method='post') -%}
+ <form action="{{ action|e }}" method="{{ method }}">{{ caller() }}</form>
+{%- endmacro %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/index.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/index.html b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/index.html
new file mode 100644
index 0000000..b006d05
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/index.html
@@ -0,0 +1,29 @@
+{% extends "layout.html" %}
+{% from "helpers.html" import input_field, textarea, form %}
+{% block page_title %}Index Page{% endblock %}
+{% block body %}
+ {%- for article in articles if article.published %}
+ <div class="article">
+ <h2><a href="{{ article.href|e }}">{{ article.title|e }}</a></h2>
+ <p class="meta">written by <a href="{{ article.user.href|e
+ }}">{{ article.user.username|e }}</a> on {{ article.pub_date|dateformat }}</p>
+ <div class="text">{{ article.body }}</div>
+ </div>
+ {%- endfor %}
+ {%- call form() %}
+ <dl>
+ <dt>Name</dt>
+ <dd>{{ input_field('name') }}</dd>
+ <dt>E-Mail</dt>
+ <dd>{{ input_field('email') }}</dd>
+ <dt>URL</dt>
+ <dd>{{ input_field('url') }}</dd>
+ <dt>Comment</dt>
+ <dd>{{ textarea('comment') }}</dd>
+ <dt>Captcha</dt>
+ <dd>{{ input_field('captcha') }}</dd>
+ </dl>
+ {{ input_field(type='submit', value='Submit') }}
+ {{ input_field('cancel', type='submit', value='Cancel') }}
+ {%- endcall %}
+{% endblock %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/layout.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/layout.html b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/layout.html
new file mode 100644
index 0000000..755789e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/jinja/layout.html
@@ -0,0 +1,29 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>{% block page_title %}{% endblock %} | RealWorld Benchmark</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+</head>
+<body>
+ <div class="contents">
+ <div class="header">
+ <h1>RealWorld Benchmark</h1>
+ <blockquote><p>
+ A less stupid benchmark for Mako and Jinja2 to get an impression how
+ code changes affect runtime performance.
+ </p></blockquote>
+ </div>
+ <ul class="navigation">
+ {%- for href, caption in page_navigation %}
+ <li><a href="{{ href|e }}">{{ caption }}</a></li>
+ {%- endfor %}
+ </ul>
+ <div class="body">
+ {% block body %}{% endblock %}
+ </div>
+ <div class="footer">
+ © Copyright 2008 by I don't know who.
+ </div>
+ </div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/mako/helpers.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/mako/helpers.html b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/helpers.html
new file mode 100644
index 0000000..a0290eb
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/helpers.html
@@ -0,0 +1,11 @@
+<%def name="input_field(name='', value='', type='text')">
+ <input type="${type}" value="${value|h}" name="${name}">
+</%def>
+
+<%def name="textarea(name, value='', rows=10, cols=40)">
+ <textarea name="${name}" rows="${rows}" cols="${cols}">${value|h}</textarea>
+</%def>
+
+<%def name="form(action='', method='post')">
+ <form action="${action|h}" method="${method}">${caller.body()}</form>
+</%def>
[10/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/api.rst
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/docs/api.rst b/ambari-common/src/main/python/jinja2/docs/api.rst
new file mode 100644
index 0000000..3bf8a94
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/api.rst
@@ -0,0 +1,787 @@
+API
+===
+
+.. module:: jinja2
+ :synopsis: public Jinja2 API
+
+This document describes the API to Jinja2 and not the template language. It
+will be most useful as reference to those implementing the template interface
+to the application and not those who are creating Jinja2 templates.
+
+Basics
+------
+
+Jinja2 uses a central object called the template :class:`Environment`.
+Instances of this class are used to store the configuration, global objects
+and are used to load templates from the file system or other locations.
+Even if you are creating templates from strings by using the constructor of
+:class:`Template` class, an environment is created automatically for you,
+albeit a shared one.
+
+Most applications will create one :class:`Environment` object on application
+initialization and use that to load templates. In some cases it's however
+useful to have multiple environments side by side, if different configurations
+are in use.
+
+The simplest way to configure Jinja2 to load templates for your application
+looks roughly like this::
+
+ from jinja2 import Environment, PackageLoader
+ env = Environment(loader=PackageLoader('yourapplication', 'templates'))
+
+This will create a template environment with the default settings and a
+loader that looks up the templates in the `templates` folder inside the
+`yourapplication` python package. Different loaders are available
+and you can also write your own if you want to load templates from a
+database or other resources.
+
+To load a template from this environment you just have to call the
+:meth:`get_template` method which then returns the loaded :class:`Template`::
+
+ template = env.get_template('mytemplate.html')
+
+To render it with some variables, just call the :meth:`render` method::
+
+ print template.render(the='variables', go='here')
+
+Using a template loader rather then passing strings to :class:`Template`
+or :meth:`Environment.from_string` has multiple advantages. Besides being
+a lot easier to use it also enables template inheritance.
+
+
+Unicode
+-------
+
+Jinja2 is using Unicode internally which means that you have to pass Unicode
+objects to the render function or bytestrings that only consist of ASCII
+characters. Additionally newlines are normalized to one end of line
+sequence which is per default UNIX style (``\n``).
+
+Python 2.x supports two ways of representing string objects. One is the
+`str` type and the other is the `unicode` type, both of which extend a type
+called `basestring`. Unfortunately the default is `str` which should not
+be used to store text based information unless only ASCII characters are
+used. With Python 2.6 it is possible to make `unicode` the default on a per
+module level and with Python 3 it will be the default.
+
+To explicitly use a Unicode string you have to prefix the string literal
+with a `u`: ``u'Hänsel und Gretel sagen Hallo'``. That way Python will
+store the string as Unicode by decoding the string with the character
+encoding from the current Python module. If no encoding is specified this
+defaults to 'ASCII' which means that you can't use any non ASCII identifier.
+
+To set a better module encoding add the following comment to the first or
+second line of the Python module using the Unicode literal::
+
+ # -*- coding: utf-8 -*-
+
+We recommend utf-8 as Encoding for Python modules and templates as it's
+possible to represent every Unicode character in utf-8 and because it's
+backwards compatible to ASCII. For Jinja2 the default encoding of templates
+is assumed to be utf-8.
+
+It is not possible to use Jinja2 to process non-Unicode data. The reason
+for this is that Jinja2 uses Unicode already on the language level. For
+example Jinja2 treats the non-breaking space as valid whitespace inside
+expressions which requires knowledge of the encoding or operating on an
+Unicode string.
+
+For more details about Unicode in Python have a look at the excellent
+`Unicode documentation`_.
+
+Another important thing is how Jinja2 is handling string literals in
+templates. A naive implementation would be using Unicode strings for
+all string literals but it turned out in the past that this is problematic
+as some libraries are typechecking against `str` explicitly. For example
+`datetime.strftime` does not accept Unicode arguments. To not break it
+completely Jinja2 is returning `str` for strings that fit into ASCII and
+for everything else `unicode`:
+
+>>> m = Template(u"{% set a, b = 'foo', 'föö' %}").module
+>>> m.a
+'foo'
+>>> m.b
+u'f\xf6\xf6'
+
+
+.. _Unicode documentation: http://docs.python.org/dev/howto/unicode.html
+
+High Level API
+--------------
+
+The high-level API is the API you will use in the application to load and
+render Jinja2 templates. The :ref:`low-level-api` on the other side is only
+useful if you want to dig deeper into Jinja2 or :ref:`develop extensions
+<jinja-extensions>`.
+
+.. autoclass:: Environment([options])
+ :members: from_string, get_template, select_template,
+ get_or_select_template, join_path, extend, compile_expression
+
+ .. attribute:: shared
+
+ If a template was created by using the :class:`Template` constructor
+ an environment is created automatically. These environments are
+ created as shared environments which means that multiple templates
+ may have the same anonymous environment. For all shared environments
+ this attribute is `True`, else `False`.
+
+ .. attribute:: sandboxed
+
+ If the environment is sandboxed this attribute is `True`. For the
+ sandbox mode have a look at the documentation for the
+ :class:`~jinja2.sandbox.SandboxedEnvironment`.
+
+ .. attribute:: filters
+
+ A dict of filters for this environment. As long as no template was
+ loaded it's safe to add new filters or remove old. For custom filters
+ see :ref:`writing-filters`. For valid filter names have a look at
+ :ref:`identifier-naming`.
+
+ .. attribute:: tests
+
+ A dict of test functions for this environment. As long as no
+ template was loaded it's safe to modify this dict. For custom tests
+ see :ref:`writing-tests`. For valid test names have a look at
+ :ref:`identifier-naming`.
+
+ .. attribute:: globals
+
+ A dict of global variables. These variables are always available
+ in a template. As long as no template was loaded it's safe
+ to modify this dict. For more details see :ref:`global-namespace`.
+ For valid object names have a look at :ref:`identifier-naming`.
+
+ .. automethod:: overlay([options])
+
+ .. method:: undefined([hint, obj, name, exc])
+
+ Creates a new :class:`Undefined` object for `name`. This is useful
+ for filters or functions that may return undefined objects for
+ some operations. All parameters except of `hint` should be provided
+ as keyword parameters for better readability. The `hint` is used as
+ error message for the exception if provided, otherwise the error
+ message will be generated from `obj` and `name` automatically. The exception
+ provided as `exc` is raised if something with the generated undefined
+ object is done that the undefined object does not allow. The default
+ exception is :exc:`UndefinedError`. If a `hint` is provided the
+ `name` may be ommited.
+
+ The most common way to create an undefined object is by providing
+ a name only::
+
+ return environment.undefined(name='some_name')
+
+ This means that the name `some_name` is not defined. If the name
+ was from an attribute of an object it makes sense to tell the
+ undefined object the holder object to improve the error message::
+
+ if not hasattr(obj, 'attr'):
+ return environment.undefined(obj=obj, name='attr')
+
+ For a more complex example you can provide a hint. For example
+ the :func:`first` filter creates an undefined object that way::
+
+ return environment.undefined('no first item, sequence was empty')
+
+ If it the `name` or `obj` is known (for example because an attribute
+ was accessed) it shold be passed to the undefined object, even if
+ a custom `hint` is provided. This gives undefined objects the
+ possibility to enhance the error message.
+
+.. autoclass:: Template
+ :members: module, make_module
+
+ .. attribute:: globals
+
+ The dict with the globals of that template. It's unsafe to modify
+ this dict as it may be shared with other templates or the environment
+ that loaded the template.
+
+ .. attribute:: name
+
+ The loading name of the template. If the template was loaded from a
+ string this is `None`.
+
+ .. attribute:: filename
+
+ The filename of the template on the file system if it was loaded from
+ there. Otherwise this is `None`.
+
+ .. automethod:: render([context])
+
+ .. automethod:: generate([context])
+
+ .. automethod:: stream([context])
+
+
+.. autoclass:: jinja2.environment.TemplateStream()
+ :members: disable_buffering, enable_buffering, dump
+
+
+Autoescaping
+------------
+
+.. versionadded:: 2.4
+
+As of Jinja 2.4 the preferred way to do autoescaping is to enable the
+:ref:`autoescape-extension` and to configure a sensible default for
+autoescaping. This makes it possible to enable and disable autoescaping
+on a per-template basis (HTML versus text for instance).
+
+Here a recommended setup that enables autoescaping for templates ending
+in ``'.html'``, ``'.htm'`` and ``'.xml'`` and disabling it by default
+for all other extensions::
+
+ def guess_autoescape(template_name):
+ if template_name is None or '.' not in template_name:
+ return False
+ ext = template_name.rsplit('.', 1)[1]
+ return ext in ('html', 'htm', 'xml')
+
+ env = Environment(autoescape=guess_autoescape,
+ loader=PackageLoader('mypackage'),
+ extensions=['jinja2.ext.autoescape'])
+
+When implementing a guessing autoescape function, make sure you also
+accept `None` as valid template name. This will be passed when generating
+templates from strings.
+
+Inside the templates the behaviour can be temporarily changed by using
+the `autoescape` block (see :ref:`autoescape-overrides`).
+
+
+.. _identifier-naming:
+
+Notes on Identifiers
+--------------------
+
+Jinja2 uses the regular Python 2.x naming rules. Valid identifiers have to
+match ``[a-zA-Z_][a-zA-Z0-9_]*``. As a matter of fact non ASCII characters
+are currently not allowed. This limitation will probably go away as soon as
+unicode identifiers are fully specified for Python 3.
+
+Filters and tests are looked up in separate namespaces and have slightly
+modified identifier syntax. Filters and tests may contain dots to group
+filters and tests by topic. For example it's perfectly valid to add a
+function into the filter dict and call it `to.unicode`. The regular
+expression for filter and test identifiers is
+``[a-zA-Z_][a-zA-Z0-9_]*(\.[a-zA-Z_][a-zA-Z0-9_]*)*```.
+
+
+Undefined Types
+---------------
+
+These classes can be used as undefined types. The :class:`Environment`
+constructor takes an `undefined` parameter that can be one of those classes
+or a custom subclass of :class:`Undefined`. Whenever the template engine is
+unable to look up a name or access an attribute one of those objects is
+created and returned. Some operations on undefined values are then allowed,
+others fail.
+
+The closest to regular Python behavior is the `StrictUndefined` which
+disallows all operations beside testing if it's an undefined object.
+
+.. autoclass:: jinja2.Undefined()
+
+ .. attribute:: _undefined_hint
+
+ Either `None` or an unicode string with the error message for
+ the undefined object.
+
+ .. attribute:: _undefined_obj
+
+ Either `None` or the owner object that caused the undefined object
+ to be created (for example because an attribute does not exist).
+
+ .. attribute:: _undefined_name
+
+ The name for the undefined variable / attribute or just `None`
+ if no such information exists.
+
+ .. attribute:: _undefined_exception
+
+ The exception that the undefined object wants to raise. This
+ is usually one of :exc:`UndefinedError` or :exc:`SecurityError`.
+
+ .. method:: _fail_with_undefined_error(\*args, \**kwargs)
+
+ When called with any arguments this method raises
+ :attr:`_undefined_exception` with an error message generated
+ from the undefined hints stored on the undefined object.
+
+.. autoclass:: jinja2.DebugUndefined()
+
+.. autoclass:: jinja2.StrictUndefined()
+
+Undefined objects are created by calling :attr:`undefined`.
+
+.. admonition:: Implementation
+
+ :class:`Undefined` objects are implemented by overriding the special
+ `__underscore__` methods. For example the default :class:`Undefined`
+ class implements `__unicode__` in a way that it returns an empty
+ string, however `__int__` and others still fail with an exception. To
+ allow conversion to int by returning ``0`` you can implement your own::
+
+ class NullUndefined(Undefined):
+ def __int__(self):
+ return 0
+ def __float__(self):
+ return 0.0
+
+ To disallow a method, just override it and raise
+ :attr:`~Undefined._undefined_exception`. Because this is a very common
+ idom in undefined objects there is the helper method
+ :meth:`~Undefined._fail_with_undefined_error` that does the error raising
+ automatically. Here a class that works like the regular :class:`Undefined`
+ but chokes on iteration::
+
+ class NonIterableUndefined(Undefined):
+ __iter__ = Undefined._fail_with_undefined_error
+
+
+The Context
+-----------
+
+.. autoclass:: jinja2.runtime.Context()
+ :members: resolve, get_exported, get_all
+
+ .. attribute:: parent
+
+ A dict of read only, global variables the template looks up. These
+ can either come from another :class:`Context`, from the
+ :attr:`Environment.globals` or :attr:`Template.globals` or points
+ to a dict created by combining the globals with the variables
+ passed to the render function. It must not be altered.
+
+ .. attribute:: vars
+
+ The template local variables. This list contains environment and
+ context functions from the :attr:`parent` scope as well as local
+ modifications and exported variables from the template. The template
+ will modify this dict during template evaluation but filters and
+ context functions are not allowed to modify it.
+
+ .. attribute:: environment
+
+ The environment that loaded the template.
+
+ .. attribute:: exported_vars
+
+ This set contains all the names the template exports. The values for
+ the names are in the :attr:`vars` dict. In order to get a copy of the
+ exported variables as dict, :meth:`get_exported` can be used.
+
+ .. attribute:: name
+
+ The load name of the template owning this context.
+
+ .. attribute:: blocks
+
+ A dict with the current mapping of blocks in the template. The keys
+ in this dict are the names of the blocks, and the values a list of
+ blocks registered. The last item in each list is the current active
+ block (latest in the inheritance chain).
+
+ .. attribute:: eval_ctx
+
+ The current :ref:`eval-context`.
+
+ .. automethod:: jinja2.runtime.Context.call(callable, \*args, \**kwargs)
+
+
+.. admonition:: Implementation
+
+ Context is immutable for the same reason Python's frame locals are
+ immutable inside functions. Both Jinja2 and Python are not using the
+ context / frame locals as data storage for variables but only as primary
+ data source.
+
+ When a template accesses a variable the template does not define, Jinja2
+ looks up the variable in the context, after that the variable is treated
+ as if it was defined in the template.
+
+
+.. _loaders:
+
+Loaders
+-------
+
+Loaders are responsible for loading templates from a resource such as the
+file system. The environment will keep the compiled modules in memory like
+Python's `sys.modules`. Unlike `sys.modules` however this cache is limited in
+size by default and templates are automatically reloaded.
+All loaders are subclasses of :class:`BaseLoader`. If you want to create your
+own loader, subclass :class:`BaseLoader` and override `get_source`.
+
+.. autoclass:: jinja2.BaseLoader
+ :members: get_source, load
+
+Here a list of the builtin loaders Jinja2 provides:
+
+.. autoclass:: jinja2.FileSystemLoader
+
+.. autoclass:: jinja2.PackageLoader
+
+.. autoclass:: jinja2.DictLoader
+
+.. autoclass:: jinja2.FunctionLoader
+
+.. autoclass:: jinja2.PrefixLoader
+
+.. autoclass:: jinja2.ChoiceLoader
+
+
+.. _bytecode-cache:
+
+Bytecode Cache
+--------------
+
+Jinja 2.1 and higher support external bytecode caching. Bytecode caches make
+it possible to store the generated bytecode on the file system or a different
+location to avoid parsing the templates on first use.
+
+This is especially useful if you have a web application that is initialized on
+the first request and Jinja compiles many templates at once which slows down
+the application.
+
+To use a bytecode cache, instanciate it and pass it to the :class:`Environment`.
+
+.. autoclass:: jinja2.BytecodeCache
+ :members: load_bytecode, dump_bytecode, clear
+
+.. autoclass:: jinja2.bccache.Bucket
+ :members: write_bytecode, load_bytecode, bytecode_from_string,
+ bytecode_to_string, reset
+
+ .. attribute:: environment
+
+ The :class:`Environment` that created the bucket.
+
+ .. attribute:: key
+
+ The unique cache key for this bucket
+
+ .. attribute:: code
+
+ The bytecode if it's loaded, otherwise `None`.
+
+
+Builtin bytecode caches:
+
+.. autoclass:: jinja2.FileSystemBytecodeCache
+
+.. autoclass:: jinja2.MemcachedBytecodeCache
+
+
+Utilities
+---------
+
+These helper functions and classes are useful if you add custom filters or
+functions to a Jinja2 environment.
+
+.. autofunction:: jinja2.environmentfilter
+
+.. autofunction:: jinja2.contextfilter
+
+.. autofunction:: jinja2.evalcontextfilter
+
+.. autofunction:: jinja2.environmentfunction
+
+.. autofunction:: jinja2.contextfunction
+
+.. autofunction:: jinja2.evalcontextfunction
+
+.. function:: escape(s)
+
+ Convert the characters ``&``, ``<``, ``>``, ``'``, and ``"`` in string `s`
+ to HTML-safe sequences. Use this if you need to display text that might
+ contain such characters in HTML. This function will not escaped objects
+ that do have an HTML representation such as already escaped data.
+
+ The return value is a :class:`Markup` string.
+
+.. autofunction:: jinja2.clear_caches
+
+.. autofunction:: jinja2.is_undefined
+
+.. autoclass:: jinja2.Markup([string])
+ :members: escape, unescape, striptags
+
+.. admonition:: Note
+
+ The Jinja2 :class:`Markup` class is compatible with at least Pylons and
+ Genshi. It's expected that more template engines and framework will pick
+ up the `__html__` concept soon.
+
+
+Exceptions
+----------
+
+.. autoexception:: jinja2.TemplateError
+
+.. autoexception:: jinja2.UndefinedError
+
+.. autoexception:: jinja2.TemplateNotFound
+
+.. autoexception:: jinja2.TemplatesNotFound
+
+.. autoexception:: jinja2.TemplateSyntaxError
+
+ .. attribute:: message
+
+ The error message as utf-8 bytestring.
+
+ .. attribute:: lineno
+
+ The line number where the error occurred
+
+ .. attribute:: name
+
+ The load name for the template as unicode string.
+
+ .. attribute:: filename
+
+ The filename that loaded the template as bytestring in the encoding
+ of the file system (most likely utf-8 or mbcs on Windows systems).
+
+ The reason why the filename and error message are bytestrings and not
+ unicode strings is that Python 2.x is not using unicode for exceptions
+ and tracebacks as well as the compiler. This will change with Python 3.
+
+.. autoexception:: jinja2.TemplateAssertionError
+
+
+.. _writing-filters:
+
+Custom Filters
+--------------
+
+Custom filters are just regular Python functions that take the left side of
+the filter as first argument and the the arguments passed to the filter as
+extra arguments or keyword arguments.
+
+For example in the filter ``{{ 42|myfilter(23) }}`` the function would be
+called with ``myfilter(42, 23)``. Here for example a simple filter that can
+be applied to datetime objects to format them::
+
+ def datetimeformat(value, format='%H:%M / %d-%m-%Y'):
+ return value.strftime(format)
+
+You can register it on the template environment by updating the
+:attr:`~Environment.filters` dict on the environment::
+
+ environment.filters['datetimeformat'] = datetimeformat
+
+Inside the template it can then be used as follows:
+
+.. sourcecode:: jinja
+
+ written on: {{ article.pub_date|datetimeformat }}
+ publication date: {{ article.pub_date|datetimeformat('%d-%m-%Y') }}
+
+Filters can also be passed the current template context or environment. This
+is useful if a filter wants to return an undefined value or check the current
+:attr:`~Environment.autoescape` setting. For this purpose three decorators
+exist: :func:`environmentfilter`, :func:`contextfilter` and
+:func:`evalcontextfilter`.
+
+Here a small example filter that breaks a text into HTML line breaks and
+paragraphs and marks the return value as safe HTML string if autoescaping is
+enabled::
+
+ import re
+ from jinja2 import environmentfilter, Markup, escape
+
+ _paragraph_re = re.compile(r'(?:\r\n|\r|\n){2,}')
+
+ @evalcontextfilter
+ def nl2br(eval_ctx, value):
+ result = u'\n\n'.join(u'<p>%s</p>' % p.replace('\n', '<br>\n')
+ for p in _paragraph_re.split(escape(value)))
+ if eval_ctx.autoescape:
+ result = Markup(result)
+ return result
+
+Context filters work the same just that the first argument is the current
+active :class:`Context` rather then the environment.
+
+
+.. _eval-context:
+
+Evaluation Context
+------------------
+
+The evaluation context (short eval context or eval ctx) is a new object
+introducted in Jinja 2.4 that makes it possible to activate and deactivate
+compiled features at runtime.
+
+Currently it is only used to enable and disable the automatic escaping but
+can be used for extensions as well.
+
+In previous Jinja versions filters and functions were marked as
+environment callables in order to check for the autoescape status from the
+environment. In new versions it's encouraged to check the setting from the
+evaluation context instead.
+
+Previous versions::
+
+ @environmentfilter
+ def filter(env, value):
+ result = do_something(value)
+ if env.autoescape:
+ result = Markup(result)
+ return result
+
+In new versions you can either use a :func:`contextfilter` and access the
+evaluation context from the actual context, or use a
+:func:`evalcontextfilter` which directly passes the evaluation context to
+the function::
+
+ @contextfilter
+ def filter(context, value):
+ result = do_something(value)
+ if context.eval_ctx.autoescape:
+ result = Markup(result)
+ return result
+
+ @evalcontextfilter
+ def filter(eval_ctx, value):
+ result = do_something(value)
+ if eval_ctx.autoescape:
+ result = Markup(result)
+ return result
+
+The evaluation context must not be modified at runtime. Modifications
+must only happen with a :class:`nodes.EvalContextModifier` and
+:class:`nodes.ScopedEvalContextModifier` from an extension, not on the
+eval context object itself.
+
+.. autoclass:: jinja2.nodes.EvalContext
+
+ .. attribute:: autoescape
+
+ `True` or `False` depending on if autoescaping is active or not.
+
+ .. attribute:: volatile
+
+ `True` if the compiler cannot evaluate some expressions at compile
+ time. At runtime this should always be `False`.
+
+
+.. _writing-tests:
+
+Custom Tests
+------------
+
+Tests work like filters just that there is no way for a test to get access
+to the environment or context and that they can't be chained. The return
+value of a test should be `True` or `False`. The purpose of a test is to
+give the template designers the possibility to perform type and conformability
+checks.
+
+Here a simple test that checks if a variable is a prime number::
+
+ import math
+
+ def is_prime(n):
+ if n == 2:
+ return True
+ for i in xrange(2, int(math.ceil(math.sqrt(n))) + 1):
+ if n % i == 0:
+ return False
+ return True
+
+
+You can register it on the template environment by updating the
+:attr:`~Environment.tests` dict on the environment::
+
+ environment.tests['prime'] = is_prime
+
+A template designer can then use the test like this:
+
+.. sourcecode:: jinja
+
+ {% if 42 is prime %}
+ 42 is a prime number
+ {% else %}
+ 42 is not a prime number
+ {% endif %}
+
+
+.. _global-namespace:
+
+The Global Namespace
+--------------------
+
+Variables stored in the :attr:`Environment.globals` dict are special as they
+are available for imported templates too, even if they are imported without
+context. This is the place where you can put variables and functions
+that should be available all the time. Additionally :attr:`Template.globals`
+exist that are variables available to a specific template that are available
+to all :meth:`~Template.render` calls.
+
+
+.. _low-level-api:
+
+Low Level API
+-------------
+
+The low level API exposes functionality that can be useful to understand some
+implementation details, debugging purposes or advanced :ref:`extension
+<jinja-extensions>` techniques. Unless you know exactly what you are doing we
+don't recommend using any of those.
+
+.. automethod:: Environment.lex
+
+.. automethod:: Environment.parse
+
+.. automethod:: Environment.preprocess
+
+.. automethod:: Template.new_context
+
+.. method:: Template.root_render_func(context)
+
+ This is the low level render function. It's passed a :class:`Context`
+ that has to be created by :meth:`new_context` of the same template or
+ a compatible template. This render function is generated by the
+ compiler from the template code and returns a generator that yields
+ unicode strings.
+
+ If an exception in the template code happens the template engine will
+ not rewrite the exception but pass through the original one. As a
+ matter of fact this function should only be called from within a
+ :meth:`render` / :meth:`generate` / :meth:`stream` call.
+
+.. attribute:: Template.blocks
+
+ A dict of block render functions. Each of these functions works exactly
+ like the :meth:`root_render_func` with the same limitations.
+
+.. attribute:: Template.is_up_to_date
+
+ This attribute is `False` if there is a newer version of the template
+ available, otherwise `True`.
+
+.. admonition:: Note
+
+ The low-level API is fragile. Future Jinja2 versions will try not to
+ change it in a backwards incompatible way but modifications in the Jinja2
+ core may shine through. For example if Jinja2 introduces a new AST node
+ in later versions that may be returned by :meth:`~Environment.parse`.
+
+The Meta API
+------------
+
+.. versionadded:: 2.2
+
+The meta API returns some information about abstract syntax trees that
+could help applications to implement more advanced template concepts. All
+the functions of the meta API operate on an abstract syntax tree as
+returned by the :meth:`Environment.parse` method.
+
+.. autofunction:: jinja2.meta.find_undeclared_variables
+
+.. autofunction:: jinja2.meta.find_referenced_templates
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--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/cache_extension.py
@@ -0,0 +1,56 @@
+from jinja2 import nodes
+from jinja2.ext import Extension
+
+
+class FragmentCacheExtension(Extension):
+ # a set of names that trigger the extension.
+ tags = set(['cache'])
+
+ def __init__(self, environment):
+ super(FragmentCacheExtension, self).__init__(environment)
+
+ # add the defaults to the environment
+ environment.extend(
+ fragment_cache_prefix='',
+ fragment_cache=None
+ )
+
+ def parse(self, parser):
+ # the first token is the token that started the tag. In our case
+ # we only listen to ``'cache'`` so this will be a name token with
+ # `cache` as value. We get the line number so that we can give
+ # that line number to the nodes we create by hand.
+ lineno = parser.stream.next().lineno
+
+ # now we parse a single expression that is used as cache key.
+ args = [parser.parse_expression()]
+
+ # if there is a comma, the user provided a timeout. If not use
+ # None as second parameter.
+ if parser.stream.skip_if('comma'):
+ args.append(parser.parse_expression())
+ else:
+ args.append(nodes.Const(None))
+
+ # now we parse the body of the cache block up to `endcache` and
+ # drop the needle (which would always be `endcache` in that case)
+ body = parser.parse_statements(['name:endcache'], drop_needle=True)
+
+ # now return a `CallBlock` node that calls our _cache_support
+ # helper method on this extension.
+ return nodes.CallBlock(self.call_method('_cache_support', args),
+ [], [], body).set_lineno(lineno)
+
+ def _cache_support(self, name, timeout, caller):
+ """Helper callback."""
+ key = self.environment.fragment_cache_prefix + name
+
+ # try to load the block from the cache
+ # if there is no fragment in the cache, render it and store
+ # it in the cache.
+ rv = self.environment.fragment_cache.get(key)
+ if rv is not None:
+ return rv
+ rv = caller()
+ self.environment.fragment_cache.add(key, rv, timeout)
+ return rv
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/changelog.rst
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diff --git a/ambari-common/src/main/python/jinja2/docs/changelog.rst b/ambari-common/src/main/python/jinja2/docs/changelog.rst
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index 0000000..9f11484
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/changelog.rst
@@ -0,0 +1,3 @@
+.. module:: jinja2
+
+.. include:: ../CHANGES
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/conf.py
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diff --git a/ambari-common/src/main/python/jinja2/docs/conf.py b/ambari-common/src/main/python/jinja2/docs/conf.py
new file mode 100644
index 0000000..ba90c49
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/conf.py
@@ -0,0 +1,141 @@
+# -*- coding: utf-8 -*-
+#
+# Jinja2 documentation build configuration file, created by
+# sphinx-quickstart on Sun Apr 27 21:42:41 2008.
+#
+# This file is execfile()d with the current directory set to its containing dir.
+#
+# The contents of this file are pickled, so don't put values in the namespace
+# that aren't pickleable (module imports are okay, they're removed automatically).
+#
+# All configuration values have a default value; values that are commented out
+# serve to show the default value.
+
+import sys, os
+
+# If your extensions are in another directory, add it here. If the directory
+# is relative to the documentation root, use os.path.abspath to make it
+# absolute, like shown here.
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+
+# General configuration
+# ---------------------
+
+# Add any Sphinx extension module names here, as strings. They can be extensions
+# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
+extensions = ['sphinx.ext.autodoc', 'jinjaext']
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# The suffix of source filenames.
+source_suffix = '.rst'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General substitutions.
+project = 'Jinja2'
+copyright = '2008, Armin Ronacher'
+
+# The default replacements for |version| and |release|, also used in various
+# other places throughout the built documents.
+#
+# The short X.Y version.
+version = '2.0'
+# The full version, including alpha/beta/rc tags.
+release = '2.0'
+
+# There are two options for replacing |today|: either, you set today to some
+# non-false value, then it is used:
+#today = ''
+# Else, today_fmt is used as the format for a strftime call.
+today_fmt = '%B %d, %Y'
+
+# List of documents that shouldn't be included in the build.
+#unused_docs = []
+
+# If true, '()' will be appended to :func: etc. cross-reference text.
+#add_function_parentheses = True
+
+# If true, the current module name will be prepended to all description
+# unit titles (such as .. function::).
+#add_module_names = True
+
+# If true, sectionauthor and moduleauthor directives will be shown in the
+# output. They are ignored by default.
+#show_authors = False
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'jinjaext.JinjaStyle'
+
+
+# Options for HTML output
+# -----------------------
+
+# The style sheet to use for HTML and HTML Help pages. A file of that name
+# must exist either in Sphinx' static/ path, or in one of the custom paths
+# given in html_static_path.
+html_style = 'style.css'
+
+# The name for this set of Sphinx documents. If None, it defaults to
+# "<project> v<release> documentation".
+#html_title = None
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['_static']
+
+# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
+# using the given strftime format.
+html_last_updated_fmt = '%b %d, %Y'
+
+# If true, SmartyPants will be used to convert quotes and dashes to
+# typographically correct entities.
+#html_use_smartypants = True
+
+# no modindex
+html_use_modindex = False
+
+# If true, the reST sources are included in the HTML build as _sources/<name>.
+#html_copy_source = True
+
+# If true, an OpenSearch description file will be output, and all pages will
+# contain a <link> tag referring to it.
+#html_use_opensearch = False
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = 'Jinja2doc'
+
+
+# Options for LaTeX output
+# ------------------------
+
+# The paper size ('letter' or 'a4').
+latex_paper_size = 'a4'
+
+# The font size ('10pt', '11pt' or '12pt').
+#latex_font_size = '10pt'
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title, author, document class [howto/manual]).
+latex_documents = [
+ ('index', 'Jinja2.tex', 'Jinja2 Documentation', 'Armin Ronacher', 'manual', 'toctree_only'),
+]
+
+# Additional stuff for the LaTeX preamble.
+latex_preamble = '''
+\usepackage{palatino}
+\definecolor{TitleColor}{rgb}{0.7,0,0}
+\definecolor{InnerLinkColor}{rgb}{0.7,0,0}
+\definecolor{OuterLinkColor}{rgb}{0.8,0,0}
+\definecolor{VerbatimColor}{rgb}{0.985,0.985,0.985}
+\definecolor{VerbatimBorderColor}{rgb}{0.8,0.8,0.8}
+'''
+
+# Documents to append as an appendix to all manuals.
+#latex_appendices = []
+
+# If false, no module index is generated.
+latex_use_modindex = False
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/extensions.rst
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diff --git a/ambari-common/src/main/python/jinja2/docs/extensions.rst b/ambari-common/src/main/python/jinja2/docs/extensions.rst
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index 0000000..c6b6ec9
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+++ b/ambari-common/src/main/python/jinja2/docs/extensions.rst
@@ -0,0 +1,347 @@
+.. _jinja-extensions:
+
+Extensions
+==========
+
+Jinja2 supports extensions that can add extra filters, tests, globals or even
+extend the parser. The main motivation of extensions is it to move often used
+code into a reusable class like adding support for internationalization.
+
+
+Adding Extensions
+-----------------
+
+Extensions are added to the Jinja2 environment at creation time. Once the
+environment is created additional extensions cannot be added. To add an
+extension pass a list of extension classes or import paths to the
+`environment` parameter of the :class:`Environment` constructor. The following
+example creates a Jinja2 environment with the i18n extension loaded::
+
+ jinja_env = Environment(extensions=['jinja2.ext.i18n'])
+
+
+.. _i18n-extension:
+
+i18n Extension
+--------------
+
+**Import name:** `jinja2.ext.i18n`
+
+Jinja2 currently comes with one extension, the i18n extension. It can be
+used in combination with `gettext`_ or `babel`_. If the i18n extension is
+enabled Jinja2 provides a `trans` statement that marks the wrapped string as
+translatable and calls `gettext`.
+
+After enabling dummy `_` function that forwards calls to `gettext` is added
+to the environment globals. An internationalized application then has to
+provide at least an `gettext` and optoinally a `ngettext` function into the
+namespace. Either globally or for each rendering.
+
+Environment Methods
+~~~~~~~~~~~~~~~~~~~
+
+After enabling of the extension the environment provides the following
+additional methods:
+
+.. method:: jinja2.Environment.install_gettext_translations(translations, newstyle=False)
+
+ Installs a translation globally for that environment. The tranlations
+ object provided must implement at least `ugettext` and `ungettext`.
+ The `gettext.NullTranslations` and `gettext.GNUTranslations` classes
+ as well as `Babel`_\s `Translations` class are supported.
+
+ .. versionchanged:: 2.5 newstyle gettext added
+
+.. method:: jinja2.Environment.install_null_translations(newstyle=False)
+
+ Install dummy gettext functions. This is useful if you want to prepare
+ the application for internationalization but don't want to implement the
+ full internationalization system yet.
+
+ .. versionchanged:: 2.5 newstyle gettext added
+
+.. method:: jinja2.Environment.install_gettext_callables(gettext, ngettext, newstyle=False)
+
+ Installs the given `gettext` and `ngettext` callables into the
+ environment as globals. They are supposed to behave exactly like the
+ standard library's :func:`gettext.ugettext` and
+ :func:`gettext.ungettext` functions.
+
+ If `newstyle` is activated, the callables are wrapped to work like
+ newstyle callables. See :ref:`newstyle-gettext` for more information.
+
+ .. versionadded:: 2.5
+
+.. method:: jinja2.Environment.uninstall_gettext_translations()
+
+ Uninstall the translations again.
+
+.. method:: jinja2.Environment.extract_translations(source)
+
+ Extract localizable strings from the given template node or source.
+
+ For every string found this function yields a ``(lineno, function,
+ message)`` tuple, where:
+
+ * `lineno` is the number of the line on which the string was found,
+ * `function` is the name of the `gettext` function used (if the
+ string was extracted from embedded Python code), and
+ * `message` is the string itself (a `unicode` object, or a tuple
+ of `unicode` objects for functions with multiple string arguments).
+
+ If `Babel`_ is installed :ref:`the babel integration <babel-integration>`
+ can be used to extract strings for babel.
+
+For a web application that is available in multiple languages but gives all
+the users the same language (for example a multilingual forum software
+installed for a French community) may load the translations once and add the
+translation methods to the environment at environment generation time::
+
+ translations = get_gettext_translations()
+ env = Environment(extensions=['jinja2.ext.i18n'])
+ env.install_gettext_translations(translations)
+
+The `get_gettext_translations` function would return the translator for the
+current configuration. (For example by using `gettext.find`)
+
+The usage of the `i18n` extension for template designers is covered as part
+:ref:`of the template documentation <i18n-in-templates>`.
+
+.. _gettext: http://docs.python.org/dev/library/gettext
+.. _Babel: http://babel.edgewall.org/
+
+.. _newstyle-gettext:
+
+Newstyle Gettext
+~~~~~~~~~~~~~~~~
+
+.. versionadded:: 2.5
+
+Starting with version 2.5 you can use newstyle gettext calls. These are
+inspired by trac's internal gettext functions and are fully supported by
+the babel extraction tool. They might not work as expected by other
+extraction tools in case you are not using Babel's.
+
+What's the big difference between standard and newstyle gettext calls? In
+general they are less to type and less error prone. Also if they are used
+in an autoescaping environment they better support automatic escaping.
+Here some common differences between old and new calls:
+
+standard gettext:
+
+.. sourcecode:: html+jinja
+
+ {{ gettext('Hello World!') }}
+ {{ gettext('Hello %(name)s!')|format(name='World') }}
+ {{ ngettext('%(num)d apple', '%(num)d apples', apples|count)|format(
+ num=apples|count
+ )}}
+
+newstyle gettext looks like this instead:
+
+.. sourcecode:: html+jinja
+
+ {{ gettext('Hello World!') }}
+ {{ gettext('Hello %(name)s!', name='World') }}
+ {{ ngettext('%(num)d apple', '%(num)d apples', apples|count) }}
+
+The advantages of newstyle gettext is that you have less to type and that
+named placeholders become mandatory. The latter sounds like a
+disadvantage but solves a lot of troubles translators are often facing
+when they are unable to switch the positions of two placeholder. With
+newstyle gettext, all format strings look the same.
+
+Furthermore with newstyle gettext, string formatting is also used if no
+placeholders are used which makes all strings behave exactly the same.
+Last but not least are newstyle gettext calls able to properly mark
+strings for autoescaping which solves lots of escaping related issues many
+templates are experiencing over time when using autoescaping.
+
+Expression Statement
+--------------------
+
+**Import name:** `jinja2.ext.do`
+
+The "do" aka expression-statement extension adds a simple `do` tag to the
+template engine that works like a variable expression but ignores the
+return value.
+
+.. _loopcontrols-extension:
+
+Loop Controls
+-------------
+
+**Import name:** `jinja2.ext.loopcontrols`
+
+This extension adds support for `break` and `continue` in loops. After
+enabling Jinja2 provides those two keywords which work exactly like in
+Python.
+
+.. _with-extension:
+
+With Statement
+--------------
+
+**Import name:** `jinja2.ext.with_`
+
+.. versionadded:: 2.3
+
+This extension adds support for the with keyword. Using this keyword it
+is possible to enforce a nested scope in a template. Variables can be
+declared directly in the opening block of the with statement or using a
+standard `set` statement directly within.
+
+.. _autoescape-extension:
+
+Autoescape Extension
+--------------------
+
+**Import name:** `jinja2.ext.autoescape`
+
+.. versionadded:: 2.4
+
+The autoescape extension allows you to toggle the autoescape feature from
+within the template. If the environment's :attr:`~Environment.autoescape`
+setting is set to `False` it can be activated, if it's `True` it can be
+deactivated. The setting overriding is scoped.
+
+
+.. _writing-extensions:
+
+Writing Extensions
+------------------
+
+.. module:: jinja2.ext
+
+By writing extensions you can add custom tags to Jinja2. This is a non trival
+task and usually not needed as the default tags and expressions cover all
+common use cases. The i18n extension is a good example of why extensions are
+useful, another one would be fragment caching.
+
+When writing extensions you have to keep in mind that you are working with the
+Jinja2 template compiler which does not validate the node tree you are possing
+to it. If the AST is malformed you will get all kinds of compiler or runtime
+errors that are horrible to debug. Always make sure you are using the nodes
+you create correctly. The API documentation below shows which nodes exist and
+how to use them.
+
+Example Extension
+~~~~~~~~~~~~~~~~~
+
+The following example implements a `cache` tag for Jinja2 by using the
+`Werkzeug`_ caching contrib module:
+
+.. literalinclude:: cache_extension.py
+ :language: python
+
+And here is how you use it in an environment::
+
+ from jinja2 import Environment
+ from werkzeug.contrib.cache import SimpleCache
+
+ env = Environment(extensions=[FragmentCacheExtension])
+ env.fragment_cache = SimpleCache()
+
+Inside the template it's then possible to mark blocks as cacheable. The
+following example caches a sidebar for 300 seconds:
+
+.. sourcecode:: html+jinja
+
+ {% cache 'sidebar', 300 %}
+ <div class="sidebar">
+ ...
+ </div>
+ {% endcache %}
+
+.. _Werkzeug: http://werkzeug.pocoo.org/
+
+Extension API
+~~~~~~~~~~~~~
+
+Extensions always have to extend the :class:`jinja2.ext.Extension` class:
+
+.. autoclass:: Extension
+ :members: preprocess, filter_stream, parse, attr, call_method
+
+ .. attribute:: identifier
+
+ The identifier of the extension. This is always the true import name
+ of the extension class and must not be changed.
+
+ .. attribute:: tags
+
+ If the extension implements custom tags this is a set of tag names
+ the extension is listening for.
+
+Parser API
+~~~~~~~~~~
+
+The parser passed to :meth:`Extension.parse` provides ways to parse
+expressions of different types. The following methods may be used by
+extensions:
+
+.. autoclass:: jinja2.parser.Parser
+ :members: parse_expression, parse_tuple, parse_assign_target,
+ parse_statements, free_identifier, fail
+
+ .. attribute:: filename
+
+ The filename of the template the parser processes. This is **not**
+ the load name of the template. For the load name see :attr:`name`.
+ For templates that were not loaded form the file system this is
+ `None`.
+
+ .. attribute:: name
+
+ The load name of the template.
+
+ .. attribute:: stream
+
+ The current :class:`~jinja2.lexer.TokenStream`
+
+.. autoclass:: jinja2.lexer.TokenStream
+ :members: push, look, eos, skip, next, next_if, skip_if, expect
+
+ .. attribute:: current
+
+ The current :class:`~jinja2.lexer.Token`.
+
+.. autoclass:: jinja2.lexer.Token
+ :members: test, test_any
+
+ .. attribute:: lineno
+
+ The line number of the token
+
+ .. attribute:: type
+
+ The type of the token. This string is interned so you may compare
+ it with arbitrary strings using the `is` operator.
+
+ .. attribute:: value
+
+ The value of the token.
+
+There is also a utility function in the lexer module that can count newline
+characters in strings:
+
+.. autofunction:: jinja2.lexer.count_newlines
+
+AST
+~~~
+
+The AST (Abstract Syntax Tree) is used to represent a template after parsing.
+It's build of nodes that the compiler then converts into executable Python
+code objects. Extensions that provide custom statements can return nodes to
+execute custom Python code.
+
+The list below describes all nodes that are currently available. The AST may
+change between Jinja2 versions but will stay backwards compatible.
+
+For more information have a look at the repr of :meth:`jinja2.Environment.parse`.
+
+.. module:: jinja2.nodes
+
+.. jinjanodes::
+
+.. autoexception:: Impossible
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/faq.rst
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diff --git a/ambari-common/src/main/python/jinja2/docs/faq.rst b/ambari-common/src/main/python/jinja2/docs/faq.rst
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+Frequently Asked Questions
+==========================
+
+This page answers some of the often asked questions about Jinja.
+
+.. highlight:: html+jinja
+
+Why is it called Jinja?
+-----------------------
+
+The name Jinja was chosen because it's the name of a Japanese temple and
+temple and template share a similar pronunciation. It is not named after
+the capital city of Uganda.
+
+How fast is it?
+---------------
+
+We really hate benchmarks especially since they don't reflect much. The
+performance of a template depends on many factors and you would have to
+benchmark different engines in different situations. The benchmarks from the
+testsuite show that Jinja2 has a similar performance to `Mako`_ and is between
+10 and 20 times faster than Django's template engine or Genshi. These numbers
+should be taken with tons of salt as the benchmarks that took these numbers
+only test a few performance related situations such as looping. Generally
+speaking the performance of a template engine doesn't matter much as the
+usual bottleneck in a web application is either the database or the application
+code.
+
+.. _Mako: http://www.makotemplates.org/
+
+How Compatible is Jinja2 with Django?
+-------------------------------------
+
+The default syntax of Jinja2 matches Django syntax in many ways. However
+this similarity doesn't mean that you can use a Django template unmodified
+in Jinja2. For example filter arguments use a function call syntax rather
+than a colon to separate filter name and arguments. Additionally the
+extension interface in Jinja is fundamentally different from the Django one
+which means that your custom tags won't work any longer.
+
+Generally speaking you will use much less custom extensions as the Jinja
+template system allows you to use a certain subset of Python expressions
+which can replace most Django extensions. For example instead of using
+something like this::
+
+ {% load comments %}
+ {% get_latest_comments 10 as latest_comments %}
+ {% for comment in latest_comments %}
+ ...
+ {% endfor %}
+
+You will most likely provide an object with attributes to retrieve
+comments from the database::
+
+ {% for comment in models.comments.latest(10) %}
+ ...
+ {% endfor %}
+
+Or directly provide the model for quick testing::
+
+ {% for comment in Comment.objects.order_by('-pub_date')[:10] %}
+ ...
+ {% endfor %}
+
+Please keep in mind that even though you may put such things into templates
+it still isn't a good idea. Queries should go into the view code and not
+the template!
+
+Isn't it a terrible idea to put Logic into Templates?
+-----------------------------------------------------
+
+Without a doubt you should try to remove as much logic from templates as
+possible. But templates without any logic mean that you have to do all
+the processing in the code which is boring and stupid. A template engine
+that does that is shipped with Python and called `string.Template`. Comes
+without loops and if conditions and is by far the fastest template engine
+you can get for Python.
+
+So some amount of logic is required in templates to keep everyone happy.
+And Jinja leaves it pretty much to you how much logic you want to put into
+templates. There are some restrictions in what you can do and what not.
+
+Jinja2 neither allows you to put arbitrary Python code into templates nor
+does it allow all Python expressions. The operators are limited to the
+most common ones and more advanced expressions such as list comprehensions
+and generator expressions are not supported. This keeps the template engine
+easier to maintain and templates more readable.
+
+Why is Autoescaping not the Default?
+------------------------------------
+
+There are multiple reasons why automatic escaping is not the default mode
+and also not the recommended one. While automatic escaping of variables
+means that you will less likely have an XSS problem it also causes a huge
+amount of extra processing in the template engine which can cause serious
+performance problems. As Python doesn't provide a way to mark strings as
+unsafe Jinja has to hack around that limitation by providing a custom
+string class (the :class:`Markup` string) that safely interacts with safe
+and unsafe strings.
+
+With explicit escaping however the template engine doesn't have to perform
+any safety checks on variables. Also a human knows not to escape integers
+or strings that may never contain characters one has to escape or already
+HTML markup. For example when iterating over a list over a table of
+integers and floats for a table of statistics the template designer can
+omit the escaping because he knows that integers or floats don't contain
+any unsafe parameters.
+
+Additionally Jinja2 is a general purpose template engine and not only used
+for HTML/XML generation. For example you may generate LaTeX, emails,
+CSS, JavaScript, or configuration files.
+
+Why is the Context immutable?
+-----------------------------
+
+When writing a :func:`contextfunction` or something similar you may have
+noticed that the context tries to stop you from modifying it. If you have
+managed to modify the context by using an internal context API you may
+have noticed that changes in the context don't seem to be visible in the
+template. The reason for this is that Jinja uses the context only as
+primary data source for template variables for performance reasons.
+
+If you want to modify the context write a function that returns a variable
+instead that one can assign to a variable by using set::
+
+ {% set comments = get_latest_comments() %}
+
+What is the speedups module and why is it missing?
+--------------------------------------------------
+
+To achieve a good performance with automatic escaping enabled, the escaping
+function was also implemented in pure C in older Jinja2 releases and used if
+Jinja2 was installed with the speedups module.
+
+Because this feature itself is very useful for non-template engines as
+well it was moved into a separate project on PyPI called `MarkupSafe`_.
+
+Jinja2 no longer ships with a C implementation of it but only the pure
+Python implementation. It will however check if MarkupSafe is available
+and installed, and if it is, use the Markup class from MarkupSafe.
+
+So if you want the speedups, just import MarkupSafe.
+
+.. _MarkupSafe: http://pypi.python.org/pypi/MarkupSafe
+
+My tracebacks look weird. What's happening?
+--------------------------------------------
+
+If the debugsupport module is not compiled and you are using a Python
+installation without ctypes (Python 2.4 without ctypes, Jython or Google's
+AppEngine) Jinja2 is unable to provide correct debugging information and
+the traceback may be incomplete. There is currently no good workaround
+for Jython or the AppEngine as ctypes is unavailable there and it's not
+possible to use the debugsupport extension.
+
+Why is there no Python 2.3 support?
+-----------------------------------
+
+Python 2.3 is missing a lot of features that are used heavily in Jinja2. This
+decision was made as with the upcoming Python 2.6 and 3.0 versions it becomes
+harder to maintain the code for older Python versions. If you really need
+Python 2.3 support you either have to use `Jinja 1`_ or other templating
+engines that still support 2.3.
+
+My Macros are overriden by something
+------------------------------------
+
+In some situations the Jinja scoping appears arbitrary:
+
+layout.tmpl:
+
+.. sourcecode:: jinja
+
+ {% macro foo() %}LAYOUT{% endmacro %}
+ {% block body %}{% endblock %}
+
+child.tmpl:
+
+.. sourcecode:: jinja
+
+ {% extends 'layout.tmpl' %}
+ {% macro foo() %}CHILD{% endmacro %}
+ {% block body %}{{ foo() }}{% endblock %}
+
+This will print ``LAYOUT`` in Jinja2. This is a side effect of having
+the parent template evaluated after the child one. This allows child
+templates passing information to the parent template. To avoid this
+issue rename the macro or variable in the parent template to have an
+uncommon prefix.
+
+.. _Jinja 1: http://jinja.pocoo.org/1/
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/index.rst
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+Jinja2 Documentation
+====================
+
+This is the documentation for the Jinja2 general purpose templating language.
+Jinja2 is a library for Python 2.4 and onwards that is designed to be flexible,
+fast and secure.
+
+.. toctree::
+ :maxdepth: 2
+
+ intro
+ api
+ sandbox
+ templates
+ extensions
+ integration
+ switching
+ tricks
+
+ faq
+ changelog
+
+If you can't find the information you're looking for, have a look at the
+index of try to find it using the search function:
+
+* :ref:`genindex`
+* :ref:`search`
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/integration.rst
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+Integration
+===========
+
+Jinja2 provides some code for integration into other tools such as frameworks,
+the `Babel`_ library or your favourite editor for fancy code highlighting.
+This is a brief description of whats included.
+
+.. _babel-integration:
+
+Babel Integration
+-----------------
+
+Jinja provides support for extracting gettext messages from templates via a
+`Babel`_ extractor entry point called `jinja2.ext.babel_extract`. The Babel
+support is implemented as part of the :ref:`i18n-extension` extension.
+
+Gettext messages extracted from both `trans` tags and code expressions.
+
+To extract gettext messages from templates, the project needs a Jinja2 section
+in its Babel extraction method `mapping file`_:
+
+.. sourcecode:: ini
+
+ [jinja2: **/templates/**.html]
+ encoding = utf-8
+
+The syntax related options of the :class:`Environment` are also available as
+configuration values in the mapping file. For example to tell the extraction
+that templates use ``%`` as `line_statement_prefix` you can use this code:
+
+.. sourcecode:: ini
+
+ [jinja2: **/templates/**.html]
+ encoding = utf-8
+ line_statement_prefix = %
+
+:ref:`jinja-extensions` may also be defined by passing a comma separated list
+of import paths as `extensions` value. The i18n extension is added
+automatically.
+
+.. _mapping file: http://babel.edgewall.org/wiki/Documentation/messages.html#extraction-method-mapping-and-configuration
+
+Pylons
+------
+
+With `Pylons`_ 0.9.7 onwards it's incredible easy to integrate Jinja into a
+Pylons powered application.
+
+The template engine is configured in `config/environment.py`. The configuration
+for Jinja2 looks something like that::
+
+ from jinja2 import Environment, PackageLoader
+ config['pylons.app_globals'].jinja_env = Environment(
+ loader=PackageLoader('yourapplication', 'templates')
+ )
+
+After that you can render Jinja templates by using the `render_jinja` function
+from the `pylons.templating` module.
+
+Additionally it's a good idea to set the Pylons' `c` object into strict mode.
+Per default any attribute to not existing attributes on the `c` object return
+an empty string and not an undefined object. To change this just use this
+snippet and add it into your `config/environment.py`::
+
+ config['pylons.strict_c'] = True
+
+.. _Pylons: http://www.pylonshq.com/
+
+TextMate
+--------
+
+Inside the `ext` folder of Jinja2 there is a bundle for TextMate that supports
+syntax highlighting for Jinja1 and Jinja2 for text based templates as well as
+HTML. It also contains a few often used snippets.
+
+Vim
+---
+
+A syntax plugin for `Vim`_ exists in the Vim-scripts directory as well as the
+ext folder of Jinja2. `The script <http://www.vim.org/scripts/script.php?script_id=1856>`_
+supports Jinja1 and Jinja2. Once installed two file types are available `jinja`
+and `htmljinja`. The first one for text based templates, the latter for HTML
+templates.
+
+Copy the files into your `syntax` folder.
+
+.. _Babel: http://babel.edgewall.org/
+.. _Vim: http://www.vim.org/
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/intro.rst
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+Introduction
+============
+
+This is the documentation for the Jinja2 general purpose templating language.
+Jinja2 is a library for Python 2.4 and onwards that is designed to be flexible,
+fast and secure.
+
+If you have any exposure to other text-based template languages, such as Smarty or
+Django, you should feel right at home with Jinja2. It's both designer and
+developer friendly by sticking to Python's principles and adding functionality
+useful for templating environments.
+
+The key-features are...
+
+- ... **configurable syntax**. If you are generating LaTeX or other formats
+ with Jinja2 you can change the delimiters to something that integrates better
+ into the LaTeX markup.
+
+- ... **fast**. While performance is not the primarily target of Jinja2 it's
+ surprisingly fast. The overhead compared to regular Python code was reduced
+ to the very minimum.
+
+- ... **easy to debug**. Jinja2 integrates directly into the python traceback
+ system which allows you to debug Jinja2 templates with regular python
+ debugging helpers.
+
+- ... **secure**. It's possible to evaluate untrusted template code if the
+ optional sandbox is enabled. This allows Jinja2 to be used as templating
+ language for applications where users may modify the template design.
+
+
+Prerequisites
+-------------
+
+Jinja2 needs at least **Python 2.4** to run. Additionally a working C-compiler
+that can create python extensions should be installed for the debugger if you
+are using Python 2.4.
+
+If you don't have a working C-compiler and you are trying to install the source
+release with the debugsupport you will get a compiler error.
+
+.. _ctypes: http://python.net/crew/theller/ctypes/
+
+
+Installation
+------------
+
+You have multiple ways to install Jinja2. If you are unsure what to do, go
+with the Python egg or tarball.
+
+As a Python egg (via easy_install)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+You can install the most recent Jinja2 version using `easy_install`_ or `pip`_::
+
+ easy_install Jinja2
+ pip install Jinja2
+
+This will install a Jinja2 egg in your Python installation's site-packages
+directory.
+
+(If you are installing from the windows command line omit the `sudo` and make
+sure to run the command as user with administrator rights)
+
+From the tarball release
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+1. Download the most recent tarball from the `download page`_
+2. Unpack the tarball
+3. ``sudo python setup.py install``
+
+Note that you either have to have setuptools or `distribute`_ installed,
+the latter is preferred.
+
+This will install Jinja2 into your Python installation's site-packages directory.
+
+.. _distribute: http://pypi.python.org/pypi/distribute
+
+Installing the development version
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+1. Install `git`_
+2. ``git clone git://github.com/mitsuhiko/jinja2.git``
+3. ``cd jinja2``
+4. ``ln -s jinja2 /usr/lib/python2.X/site-packages``
+
+As an alternative to steps 4 you can also do ``python setup.py develop``
+which will install the package via distribute in development mode. This also
+has the advantage that the C extensions are compiled.
+
+.. _download page: http://pypi.python.org/pypi/Jinja2
+.. _setuptools: http://peak.telecommunity.com/DevCenter/setuptools
+.. _easy_install: http://peak.telecommunity.com/DevCenter/EasyInstall
+.. _pip: http://pypi.python.org/pypi/pip
+.. _git: http://git-scm.org/
+
+
+More Speed with MarkupSafe
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+As of version 2.5.1 Jinja2 will check for an installed `MarkupSafe`_
+module. If it can find it, it will use the Markup class of that module
+instead of the one that comes with Jinja2. `MarkupSafe` replaces the
+older speedups module that came with Jinja2 and has the advantage that is
+has a better setup script and will automatically attempt to install the C
+version and nicely fall back to a pure Python implementation if that is
+not possible.
+
+The C implementation of MarkupSafe is much faster and recommended when
+using Jinja2 with autoescaping.
+
+.. _MarkupSafe: http://pypi.python.org/pypi/MarkupSafe
+
+
+Enable the debug support Module
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+By default Jinja2 will not compile the debug support module. Enabling this
+will fail if you don't have the Python headers or a working compiler. This
+is often the case if you are installing Jinja2 from a windows machine.
+
+Because the debug support is only necessary for Python 2.4 you will not
+have to do this unless you run 2.4::
+
+ sudo python setup.py --with-debugsupport install
+
+
+Basic API Usage
+---------------
+
+This section gives you a brief introduction to the Python API for Jinja2
+templates.
+
+The most basic way to create a template and render it is through
+:class:`~jinja2.Template`. This however is not the recommended way to
+work with it if your templates are not loaded from strings but the file
+system or another data source:
+
+>>> from jinja2 import Template
+>>> template = Template('Hello {{ name }}!')
+>>> template.render(name='John Doe')
+u'Hello John Doe!'
+
+By creating an instance of :class:`~jinja2.Template` you get back a new template
+object that provides a method called :meth:`~jinja2.Template.render` which when
+called with a dict or keyword arguments expands the template. The dict
+or keywords arguments passed to the template are the so-called "context"
+of the template.
+
+What you can see here is that Jinja2 is using unicode internally and the
+return value is an unicode string. So make sure that your application is
+indeed using unicode internally.
+
+
+Experimental Python 3 Support
+-----------------------------
+
+Jinja 2.3 brings experimental support for Python 3. It means that all
+unittests pass on the new version, but there might still be small bugs in
+there and behavior might be inconsistent. If you notice any bugs, please
+provide feedback in the `Jinja bug tracker`_.
+
+Also please keep in mind that the documentation is written with Python 2
+in mind, you will have to adapt the shown code examples to Python 3 syntax
+for yourself.
+
+
+.. _Jinja bug tracker: http://github.com/mitsuhiko/jinja2/issues
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/jinjaext.py
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+# -*- coding: utf-8 -*-
+"""
+ Jinja Documentation Extensions
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Support for automatically documenting filters and tests.
+
+ :copyright: Copyright 2008 by Armin Ronacher.
+ :license: BSD.
+"""
+import os
+import re
+import inspect
+import jinja2
+from itertools import islice
+from types import BuiltinFunctionType
+from docutils import nodes
+from docutils.statemachine import ViewList
+from sphinx.ext.autodoc import prepare_docstring
+from sphinx.application import TemplateBridge
+from pygments.style import Style
+from pygments.token import Keyword, Name, Comment, String, Error, \
+ Number, Operator, Generic
+from jinja2 import Environment, FileSystemLoader
+
+
+def parse_rst(state, content_offset, doc):
+ node = nodes.section()
+ # hack around title style bookkeeping
+ surrounding_title_styles = state.memo.title_styles
+ surrounding_section_level = state.memo.section_level
+ state.memo.title_styles = []
+ state.memo.section_level = 0
+ state.nested_parse(doc, content_offset, node, match_titles=1)
+ state.memo.title_styles = surrounding_title_styles
+ state.memo.section_level = surrounding_section_level
+ return node.children
+
+
+class JinjaStyle(Style):
+ title = 'Jinja Style'
+ default_style = ""
+ styles = {
+ Comment: 'italic #aaaaaa',
+ Comment.Preproc: 'noitalic #B11414',
+ Comment.Special: 'italic #505050',
+
+ Keyword: 'bold #B80000',
+ Keyword.Type: '#808080',
+
+ Operator.Word: 'bold #B80000',
+
+ Name.Builtin: '#333333',
+ Name.Function: '#333333',
+ Name.Class: 'bold #333333',
+ Name.Namespace: 'bold #333333',
+ Name.Entity: 'bold #363636',
+ Name.Attribute: '#686868',
+ Name.Tag: 'bold #686868',
+ Name.Decorator: '#686868',
+
+ String: '#AA891C',
+ Number: '#444444',
+
+ Generic.Heading: 'bold #000080',
+ Generic.Subheading: 'bold #800080',
+ Generic.Deleted: '#aa0000',
+ Generic.Inserted: '#00aa00',
+ Generic.Error: '#aa0000',
+ Generic.Emph: 'italic',
+ Generic.Strong: 'bold',
+ Generic.Prompt: '#555555',
+ Generic.Output: '#888888',
+ Generic.Traceback: '#aa0000',
+
+ Error: '#F00 bg:#FAA'
+ }
+
+
+_sig_re = re.compile(r'^[a-zA-Z_][a-zA-Z0-9_]*(\(.*?\))')
+
+
+def format_function(name, aliases, func):
+ lines = inspect.getdoc(func).splitlines()
+ signature = '()'
+ if isinstance(func, BuiltinFunctionType):
+ match = _sig_re.match(lines[0])
+ if match is not None:
+ del lines[:1 + bool(lines and not lines[0])]
+ signature = match.group(1)
+ else:
+ try:
+ argspec = inspect.getargspec(func)
+ if getattr(func, 'environmentfilter', False) or \
+ getattr(func, 'contextfilter', False):
+ del argspec[0][0]
+ signature = inspect.formatargspec(*argspec)
+ except:
+ pass
+ result = ['.. function:: %s%s' % (name, signature), '']
+ result.extend(' ' + line for line in lines)
+ if aliases:
+ result.extend(('', ' :aliases: %s' % ', '.join(
+ '``%s``' % x for x in sorted(aliases))))
+ return result
+
+
+def dump_functions(mapping):
+ def directive(dirname, arguments, options, content, lineno,
+ content_offset, block_text, state, state_machine):
+ reverse_mapping = {}
+ for name, func in mapping.iteritems():
+ reverse_mapping.setdefault(func, []).append(name)
+ filters = []
+ for func, names in reverse_mapping.iteritems():
+ aliases = sorted(names, key=lambda x: len(x))
+ name = aliases.pop()
+ filters.append((name, aliases, func))
+ filters.sort()
+
+ result = ViewList()
+ for name, aliases, func in filters:
+ for item in format_function(name, aliases, func):
+ result.append(item, '<jinjaext>')
+
+ node = nodes.paragraph()
+ state.nested_parse(result, content_offset, node)
+ return node.children
+ return directive
+
+
+from jinja2.defaults import DEFAULT_FILTERS, DEFAULT_TESTS
+jinja_filters = dump_functions(DEFAULT_FILTERS)
+jinja_tests = dump_functions(DEFAULT_TESTS)
+
+
+def jinja_nodes(dirname, arguments, options, content, lineno,
+ content_offset, block_text, state, state_machine):
+ from jinja2.nodes import Node
+ doc = ViewList()
+ def walk(node, indent):
+ p = ' ' * indent
+ sig = ', '.join(node.fields)
+ doc.append(p + '.. autoclass:: %s(%s)' % (node.__name__, sig), '')
+ if node.abstract:
+ members = []
+ for key, name in node.__dict__.iteritems():
+ if not key.startswith('_') and \
+ not hasattr(node.__base__, key) and callable(name):
+ members.append(key)
+ if members:
+ members.sort()
+ doc.append('%s :members: %s' % (p, ', '.join(members)), '')
+ if node.__base__ != object:
+ doc.append('', '')
+ doc.append('%s :Node type: :class:`%s`' %
+ (p, node.__base__.__name__), '')
+ doc.append('', '')
+ children = node.__subclasses__()
+ children.sort(key=lambda x: x.__name__.lower())
+ for child in children:
+ walk(child, indent)
+ walk(Node, 0)
+ return parse_rst(state, content_offset, doc)
+
+
+def inject_toc(app, doctree, docname):
+ titleiter = iter(doctree.traverse(nodes.title))
+ try:
+ # skip first title, we are not interested in that one
+ titleiter.next()
+ title = titleiter.next()
+ # and check if there is at least another title
+ titleiter.next()
+ except StopIteration:
+ return
+ tocnode = nodes.section('')
+ tocnode['classes'].append('toc')
+ toctitle = nodes.section('')
+ toctitle['classes'].append('toctitle')
+ toctitle.append(nodes.title(text='Table Of Contents'))
+ tocnode.append(toctitle)
+ tocnode += doctree.document.settings.env.get_toc_for(docname)[0][1]
+ title.parent.insert(title.parent.children.index(title), tocnode)
+
+
+def setup(app):
+ app.add_directive('jinjafilters', jinja_filters, 0, (0, 0, 0))
+ app.add_directive('jinjatests', jinja_tests, 0, (0, 0, 0))
+ app.add_directive('jinjanodes', jinja_nodes, 0, (0, 0, 0))
+ # uncomment for inline toc. links are broken unfortunately
+ ##app.connect('doctree-resolved', inject_toc)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/sandbox.rst
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+Sandbox
+=======
+
+The Jinja2 sandbox can be used to evaluate untrusted code. Access to unsafe
+attributes and methods is prohibited.
+
+Assuming `env` is a :class:`SandboxedEnvironment` in the default configuration
+the following piece of code shows how it works:
+
+>>> env.from_string("{{ func.func_code }}").render(func=lambda:None)
+u''
+>>> env.from_string("{{ func.func_code.do_something }}").render(func=lambda:None)
+Traceback (most recent call last):
+ ...
+SecurityError: access to attribute 'func_code' of 'function' object is unsafe.
+
+
+.. module:: jinja2.sandbox
+
+.. autoclass:: SandboxedEnvironment([options])
+ :members: is_safe_attribute, is_safe_callable
+
+.. autoclass:: ImmutableSandboxedEnvironment([options])
+
+.. autoexception:: SecurityError
+
+.. autofunction:: unsafe
+
+.. autofunction:: is_internal_attribute
+
+.. autofunction:: modifies_known_mutable
+
+.. admonition:: Note
+
+ The Jinja2 sandbox alone is no solution for perfect security. Especially
+ for web applications you have to keep in mind that users may create
+ templates with arbitrary HTML in so it's crucial to ensure that (if you
+ are running multiple users on the same server) they can't harm each other
+ via JavaScript insertions and much more.
+
+ Also the sandbox is only as good as the configuration. We stronly
+ recommend only passing non-shared resources to the template and use
+ some sort of whitelisting for attributes.
+
+ Also keep in mind that templates may raise runtime or compile time errors,
+ so make sure to catch them.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/switching.rst
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+Switching from other Template Engines
+=====================================
+
+.. highlight:: html+jinja
+
+If you have used a different template engine in the past and want to swtich
+to Jinja2 here is a small guide that shows the basic syntatic and semantic
+changes between some common, similar text template engines for Python.
+
+Jinja1
+------
+
+Jinja2 is mostly compatible with Jinja1 in terms of API usage and template
+syntax. The differences between Jinja1 and 2 are explained in the following
+list.
+
+API
+~~~
+
+Loaders
+ Jinja2 uses a different loader API. Because the internal representation
+ of templates changed there is no longer support for external caching
+ systems such as memcached. The memory consumed by templates is comparable
+ with regular Python modules now and external caching doesn't give any
+ advantage. If you have used a custom loader in the past have a look at
+ the new :ref:`loader API <loaders>`.
+
+Loading templates from strings
+ In the past it was possible to generate templates from a string with the
+ default environment configuration by using `jinja.from_string`. Jinja2
+ provides a :class:`Template` class that can be used to do the same, but
+ with optional additional configuration.
+
+Automatic unicode conversion
+ Jinja1 performed automatic conversion of bytestrings in a given encoding
+ into unicode objects. This conversion is no longer implemented as it
+ was inconsistent as most libraries are using the regular Python ASCII
+ bytestring to Unicode conversion. An application powered by Jinja2
+ *has to* use unicode internally everywhere or make sure that Jinja2 only
+ gets unicode strings passed.
+
+i18n
+ Jinja1 used custom translators for internationalization. i18n is now
+ available as Jinja2 extension and uses a simpler, more gettext friendly
+ interface and has support for babel. For more details see
+ :ref:`i18n-extension`.
+
+Internal methods
+ Jinja1 exposed a few internal methods on the environment object such
+ as `call_function`, `get_attribute` and others. While they were marked
+ as being an internal method it was possible to override them. Jinja2
+ doesn't have equivalent methods.
+
+Sandbox
+ Jinja1 was running sandbox mode by default. Few applications actually
+ used that feature so it became optional in Jinja2. For more details
+ about the sandboxed execution see :class:`SandboxedEnvironment`.
+
+Context
+ Jinja1 had a stacked context as storage for variables passed to the
+ environment. In Jinja2 a similar object exists but it doesn't allow
+ modifications nor is it a singleton. As inheritance is dynamic now
+ multiple context objects may exist during template evaluation.
+
+Filters and Tests
+ Filters and tests are regular functions now. It's no longer necessary
+ and allowed to use factory functions.
+
+
+Templates
+~~~~~~~~~
+
+Jinja2 has mostly the same syntax as Jinja1. What's different is that
+macros require parentheses around the argument list now.
+
+Additionally Jinja2 allows dynamic inheritance now and dynamic includes.
+The old helper function `rendertemplate` is gone now, `include` can be used
+instead. Includes no longer import macros and variable assignments, for
+that the new `import` tag is used. This concept is explained in the
+:ref:`import` documentation.
+
+Another small change happened in the `for`-tag. The special loop variable
+doesn't have a `parent` attribute, instead you have to alias the loop
+yourself. See :ref:`accessing-the-parent-loop` for more details.
+
+
+Django
+------
+
+If you have previously worked with Django templates, you should find
+Jinja2 very familiar. In fact, most of the syntax elements look and
+work the same.
+
+However, Jinja2 provides some more syntax elements covered in the
+documentation and some work a bit different.
+
+This section covers the template changes. As the API is fundamentally
+different we won't cover it here.
+
+Method Calls
+~~~~~~~~~~~~
+
+In Django method calls work implicitly. With Jinja2 you have to specify that
+you want to call an object. Thus this Django code::
+
+ {% for page in user.get_created_pages %}
+ ...
+ {% endfor %}
+
+will look like this in Jinja::
+
+ {% for page in user.get_created_pages() %}
+ ...
+ {% endfor %}
+
+This allows you to pass variables to the function which is also used for macros
+which is not possible in Django.
+
+Conditions
+~~~~~~~~~~
+
+In Django you can use the following constructs to check for equality::
+
+ {% ifequal foo "bar" %}
+ ...
+ {% else %}
+ ...
+ {% endifequal %}
+
+In Jinja2 you can use the normal if statement in combination with operators::
+
+ {% if foo == 'bar' %}
+ ...
+ {% else %}
+ ...
+ {% endif %}
+
+You can also have multiple elif branches in your template::
+
+ {% if something %}
+ ...
+ {% elif otherthing %}
+ ...
+ {% elif foothing %}
+ ...
+ {% else %}
+ ...
+ {% endif %}
+
+Filter Arguments
+~~~~~~~~~~~~~~~~
+
+Jinja2 provides more than one argument for filters. Also the syntax for
+argument passing is different. A template that looks like this in Django::
+
+ {{ items|join:", " }}
+
+looks like this in Jinja2::
+
+ {{ items|join(', ') }}
+
+In fact it's a bit more verbose but it allows different types of arguments -
+including variables - and more than one of them.
+
+Tests
+~~~~~
+
+In addition to filters there also are tests you can perform using the is
+operator. Here are some examples::
+
+ {% if user.user_id is odd %}
+ {{ user.username|e }} is odd
+ {% else %}
+ hmm. {{ user.username|e }} looks pretty normal
+ {% endif %}
+
+Loops
+~~~~~
+
+For loops work very similar to Django, the only incompatibility is that in
+Jinja2 the special variable for the loop context is called `loop` and not
+`forloop` like in Django.
+
+Cycle
+~~~~~
+
+The ``{% cycle %}`` tag does not exist in Jinja because of it's implicit
+nature. However you can achieve mostly the same by using the `cycle`
+method on a loop object.
+
+The following Django template::
+
+ {% for user in users %}
+ <li class="{% cycle 'odd' 'even' %}">{{ user }}</li>
+ {% endfor %}
+
+Would look like this in Jinja::
+
+ {% for user in users %}
+ <li class="{{ loop.cycle('odd', 'even') }}">{{ user }}</li>
+ {% endfor %}
+
+There is no equivalent of ``{% cycle ... as variable %}``.
+
+
+Mako
+----
+
+.. highlight:: html+mako
+
+If you have used Mako so far and want to switch to Jinja2 you can configure
+Jinja2 to look more like Mako:
+
+.. sourcecode:: python
+
+ env = Environment('<%', '%>', '${', '}', '%')
+
+Once the environment is configure like that Jinja2 should be able to interpret
+a small subset of Mako templates. Jinja2 does not support embedded Python code
+so you would have to move that out of the template. The syntax for defs (in
+Jinja2 defs are called macros) and template inheritance is different too. The
+following Mako template::
+
+ <%inherit file="layout.html" />
+ <%def name="title()">Page Title</%def>
+ <ul>
+ % for item in list:
+ <li>${item}</li>
+ % endfor
+ </ul>
+
+Looks like this in Jinja2 with the above configuration::
+
+ <% extends "layout.html" %>
+ <% block title %>Page Title<% endblock %>
+ <% block body %>
+ <ul>
+ % for item in list:
+ <li>${item}</li>
+ % endfor
+ </ul>
+ <% endblock %>
[08/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/mako/index.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/mako/index.html b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/index.html
new file mode 100644
index 0000000..c4c6303
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/index.html
@@ -0,0 +1,31 @@
+<%!
+ from rwbench import dateformat
+%>
+<%inherit file="layout.html" />
+<%namespace file="helpers.html" import="input_field, textarea, form" />
+<%def name="page_title()">Index Page</%def>
+% for article in articles:
+ <% if not article.published: continue %>
+<div class="article">
+ <h2><a href="${article.href|h}">${article.title|h}</a></h2>
+ <p class="meta">written by <a href="${article.user.href|h
+ }">${article.user.username|h}</a> on ${dateformat(article.pub_date)}</p>
+ <div class="text">${article.body}</div>
+</div>
+% endfor
+<%call expr="form()">
+ <dl>
+ <dt>Name</dt>
+ <dd>${input_field('name')}</dd>
+ <dt>E-Mail</dt>
+ <dd>${input_field('email')}</dd>
+ <dt>URL</dt>
+ <dd>${input_field('url')}</dd>
+ <dt>Comment</dt>
+ <dd>${textarea('comment')}</dd>
+ <dt>Captcha</dt>
+ <dd>${input_field('captcha')}</dd>
+ </dl>
+ ${input_field(type='submit', value='Submit')}
+ ${input_field(name='cancel', type='submit', value='Cancel')}
+</%call>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/mako/layout.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/mako/layout.html b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/layout.html
new file mode 100644
index 0000000..a9c353e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/mako/layout.html
@@ -0,0 +1,30 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>${self.page_title()} | RealWorld Benchmark</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+</head>
+<body>
+ <div class="contents">
+ <div class="header">
+ <h1>RealWorld Benchmark</h1>
+ <blockquote><p>
+ A less stupid benchmark for Mako and Jinja2 to get an impression how
+ code changes affect runtime performance.
+ </p></blockquote>
+ </div>
+ <ul class="navigation">
+ % for href, caption in page_navigation:
+ <li><a href="${href|h}">${caption}</a></li>
+ % endfor
+ </ul>
+ <div class="body">
+ ${self.body()}
+ </div>
+ <div class="footer">
+ © Copyright 2008 by I don't know who.
+ </div>
+ </div>
+</body>
+</html>
+<%def name="page_title()"></%def>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/examples/rwbench/rwbench.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/examples/rwbench/rwbench.py b/ambari-common/src/main/python/jinja2/examples/rwbench/rwbench.py
new file mode 100644
index 0000000..813dd56
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/examples/rwbench/rwbench.py
@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+"""
+ RealWorldish Benchmark
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ A more real-world benchmark of Jinja2. Like the other benchmark in the
+ Jinja2 repository this has no real-world usefulnes (despite the name).
+ Just go away and ignore it. NOW!
+
+ :copyright: (c) 2009 by the Jinja Team.
+ :license: BSD.
+"""
+import sys
+from os.path import join, dirname, abspath
+try:
+ from cProfile import Profile
+except ImportError:
+ from profile import Profile
+from pstats import Stats
+ROOT = abspath(dirname(__file__))
+
+from random import choice, randrange
+from datetime import datetime
+from timeit import Timer
+from jinja2 import Environment, FileSystemLoader
+from jinja2.utils import generate_lorem_ipsum
+from mako.lookup import TemplateLookup
+from genshi.template import TemplateLoader as GenshiTemplateLoader
+
+
+def dateformat(x):
+ return x.strftime('%Y-%m-%d')
+
+
+jinja_env = Environment(loader=FileSystemLoader(join(ROOT, 'jinja')))
+jinja_env.filters['dateformat'] = dateformat
+mako_lookup = TemplateLookup(directories=[join(ROOT, 'mako')])
+genshi_loader = GenshiTemplateLoader([join(ROOT, 'genshi')])
+
+class Article(object):
+
+ def __init__(self, id):
+ self.id = id
+ self.href = '/article/%d' % self.id
+ self.title = generate_lorem_ipsum(1, False, 5, 10)
+ self.user = choice(users)
+ self.body = generate_lorem_ipsum()
+ self.pub_date = datetime.utcfromtimestamp(randrange(10 ** 9, 2 * 10 ** 9))
+ self.published = True
+
+
+class User(object):
+
+ def __init__(self, username):
+ self.href = '/user/%s' % username
+ self.username = username
+
+
+users = map(User, [u'John Doe', u'Jane Doe', u'Peter Somewhat'])
+articles = map(Article, range(20))
+navigation = [
+ ('index', 'Index'),
+ ('about', 'About'),
+ ('foo?bar=1', 'Foo with Bar'),
+ ('foo?bar=2&s=x', 'Foo with X'),
+ ('blah', 'Blub Blah'),
+ ('hehe', 'Haha'),
+] * 5
+
+context = dict(users=users, articles=articles, page_navigation=navigation)
+
+
+jinja_template = jinja_env.get_template('index.html')
+mako_template = mako_lookup.get_template('index.html')
+genshi_template = genshi_loader.load('index.html')
+
+
+def test_jinja():
+ jinja_template.render(context)
+
+def test_mako():
+ mako_template.render_unicode(**context)
+
+
+from djangoext import django_loader, DjangoContext
+def test_django():
+ # not cached because django is not thread safe and does
+ # not cache by itself so it would be unfair to cache it here.
+ django_template = django_loader.get_template('index.html')
+ django_template.render(DjangoContext(context))
+
+
+def test_genshi():
+ genshi_template.generate(**context).render('html', doctype='html')
+
+
+if __name__ == '__main__':
+ sys.stdout.write('Realworldish Benchmark:\n')
+ for test in 'jinja', 'mako', 'django', 'genshi':
+ t = Timer(setup='from __main__ import test_%s as bench' % test,
+ stmt='bench()')
+ sys.stdout.write(' >> %-20s<running>' % test)
+ sys.stdout.flush()
+ sys.stdout.write('\r %-20s%.4f seconds\n' % (test, t.timeit(number=200) / 200))
+
+ if '-p' in sys.argv:
+ print 'Jinja profile'
+ p = Profile()
+ p.runcall(test_jinja)
+ stats = Stats(p)
+ stats.sort_stats('time', 'calls')
+ stats.print_stats()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/Vim/htmljinja.vim
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/Vim/htmljinja.vim b/ambari-common/src/main/python/jinja2/ext/Vim/htmljinja.vim
new file mode 100644
index 0000000..3f9cba4
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/Vim/htmljinja.vim
@@ -0,0 +1,27 @@
+" Vim syntax file
+" Language: Jinja HTML template
+" Maintainer: Armin Ronacher <ar...@active-4.com>
+" Last Change: 2007 Apr 8
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+ syntax clear
+elseif exists("b:current_syntax")
+ finish
+endif
+
+if !exists("main_syntax")
+ let main_syntax = 'html'
+endif
+
+if version < 600
+ so <sfile>:p:h/jinja.vim
+ so <sfile>:p:h/html.vim
+else
+ runtime! syntax/jinja.vim
+ runtime! syntax/html.vim
+ unlet b:current_syntax
+endif
+
+let b:current_syntax = "htmljinja"
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/Vim/jinja.vim
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/Vim/jinja.vim b/ambari-common/src/main/python/jinja2/ext/Vim/jinja.vim
new file mode 100644
index 0000000..919954b
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/Vim/jinja.vim
@@ -0,0 +1,113 @@
+" Vim syntax file
+" Language: Jinja template
+" Maintainer: Armin Ronacher <ar...@active-4.com>
+" Last Change: 2008 May 9
+" Version: 1.1
+"
+" Known Bugs:
+" because of odd limitations dicts and the modulo operator
+" appear wrong in the template.
+"
+" Changes:
+"
+" 2008 May 9: Added support for Jinja2 changes (new keyword rules)
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+ syntax clear
+elseif exists("b:current_syntax")
+ finish
+endif
+
+syntax case match
+
+" Jinja template built-in tags and parameters (without filter, macro, is and raw, they
+" have special threatment)
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained and if else in not or recursive as import
+
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained is filter skipwhite nextgroup=jinjaFilter
+syn keyword jinjaStatement containedin=jinjaTagBlock contained macro skipwhite nextgroup=jinjaFunction
+syn keyword jinjaStatement containedin=jinjaTagBlock contained block skipwhite nextgroup=jinjaBlockName
+
+" Variable Names
+syn match jinjaVariable containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained skipwhite /[a-zA-Z_][a-zA-Z0-9_]*/
+syn keyword jinjaSpecial containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained false true none False True None loop super caller varargs kwargs
+
+" Filters
+syn match jinjaOperator "|" containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained nextgroup=jinjaFilter
+syn match jinjaFilter contained skipwhite /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaFunction contained skipwhite /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaBlockName contained skipwhite /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template constants
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/"/ skip=/\\"/ end=/"/
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/'/ skip=/\\'/ end=/'/
+syn match jinjaNumber containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[0-9]\+\(\.[0-9]\+\)\?/
+
+" Operators
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[+\-*\/<>=!,:]/
+syn match jinjaPunctuation containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[()\[\]]/
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /\./ nextgroup=jinjaAttribute
+syn match jinjaAttribute contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template tag and variable blocks
+syn region jinjaNested matchgroup=jinjaOperator start="(" end=")" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="\[" end="\]" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="{" end="}" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaTagBlock matchgroup=jinjaTagDelim start=/{%-\?/ end=/-\?%}/ skipwhite containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+syn region jinjaVarBlock matchgroup=jinjaVarDelim start=/{{-\?/ end=/-\?}}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+" Jinja template 'raw' tag
+syn region jinjaRaw matchgroup=jinjaRawDelim start="{%\s*raw\s*%}" end="{%\s*endraw\s*%}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString,jinjaComment
+
+" Jinja comments
+syn region jinjaComment matchgroup=jinjaCommentDelim start="{#" end="#}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString
+
+" Block start keywords. A bit tricker. We only highlight at the start of a
+" tag block and only if the name is not followed by a comma or equals sign
+" which usually means that we have to deal with an assignment.
+syn match jinjaStatement containedin=jinjaTagBlock contained skipwhite /\({%-\?\s*\)\@<=\<[a-zA-Z_][a-zA-Z0-9_]*\>\(\s*[,=]\)\@!/
+
+" and context modifiers
+syn match jinjaStatement containedin=jinjaTagBlock contained /\<with\(out\)\?\s\+context\>/ skipwhite
+
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_jinja_syn_inits")
+ if version < 508
+ let did_jinja_syn_inits = 1
+ command -nargs=+ HiLink hi link <args>
+ else
+ command -nargs=+ HiLink hi def link <args>
+ endif
+
+ HiLink jinjaPunctuation jinjaOperator
+ HiLink jinjaAttribute jinjaVariable
+ HiLink jinjaFunction jinjaFilter
+
+ HiLink jinjaTagDelim jinjaTagBlock
+ HiLink jinjaVarDelim jinjaVarBlock
+ HiLink jinjaCommentDelim jinjaComment
+ HiLink jinjaRawDelim jinja
+
+ HiLink jinjaSpecial Special
+ HiLink jinjaOperator Normal
+ HiLink jinjaRaw Normal
+ HiLink jinjaTagBlock PreProc
+ HiLink jinjaVarBlock PreProc
+ HiLink jinjaStatement Statement
+ HiLink jinjaFilter Function
+ HiLink jinjaBlockName Function
+ HiLink jinjaVariable Identifier
+ HiLink jinjaString Constant
+ HiLink jinjaNumber Constant
+ HiLink jinjaComment Comment
+
+ delcommand HiLink
+endif
+
+let b:current_syntax = "jinja"
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/django2jinja/django2jinja.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/django2jinja/django2jinja.py b/ambari-common/src/main/python/jinja2/ext/django2jinja/django2jinja.py
new file mode 100644
index 0000000..6d9e76c
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/django2jinja/django2jinja.py
@@ -0,0 +1,768 @@
+# -*- coding: utf-8 -*-
+"""
+ Django to Jinja
+ ~~~~~~~~~~~~~~~
+
+ Helper module that can convert django templates into Jinja2 templates.
+
+ This file is not intended to be used as stand alone application but to
+ be used as library. To convert templates you basically create your own
+ writer, add extra conversion logic for your custom template tags,
+ configure your django environment and run the `convert_templates`
+ function.
+
+ Here a simple example::
+
+ # configure django (or use settings.configure)
+ import os
+ os.environ['DJANGO_SETTINGS_MODULE'] = 'yourapplication.settings'
+ from yourapplication.foo.templatetags.bar import MyNode
+
+ from django2jinja import Writer, convert_templates
+
+ def write_my_node(writer, node):
+ writer.start_variable()
+ writer.write('myfunc(')
+ for idx, arg in enumerate(node.args):
+ if idx:
+ writer.write(', ')
+ writer.node(arg)
+ writer.write(')')
+ writer.end_variable()
+
+ writer = Writer()
+ writer.node_handlers[MyNode] = write_my_node
+ convert_templates('/path/to/output/folder', writer=writer)
+
+ Here is an example hos to automatically translate your django
+ variables to jinja2::
+
+ import re
+ # List of tuple (Match pattern, Replace pattern, Exclusion pattern)
+
+ var_re = ((re.compile(r"(u|user)\.is_authenticated"), r"\1.is_authenticated()", None),
+ (re.compile(r"\.non_field_errors"), r".non_field_errors()", None),
+ (re.compile(r"\.label_tag"), r".label_tag()", None),
+ (re.compile(r"\.as_dl"), r".as_dl()", None),
+ (re.compile(r"\.as_table"), r".as_table()", None),
+ (re.compile(r"\.as_widget"), r".as_widget()", None),
+ (re.compile(r"\.as_hidden"), r".as_hidden()", None),
+
+ (re.compile(r"\.get_([0-9_\w]+)_url"), r".get_\1_url()", None),
+ (re.compile(r"\.url"), r".url()", re.compile(r"(form|calendar).url")),
+ (re.compile(r"\.get_([0-9_\w]+)_display"), r".get_\1_display()", None),
+ (re.compile(r"loop\.counter"), r"loop.index", None),
+ (re.compile(r"loop\.revcounter"), r"loop.revindex", None),
+ (re.compile(r"request\.GET\.([0-9_\w]+)"), r"request.GET.get('\1', '')", None),
+ (re.compile(r"request\.get_host"), r"request.get_host()", None),
+
+ (re.compile(r"\.all(?!_)"), r".all()", None),
+ (re.compile(r"\.all\.0"), r".all()[0]", None),
+ (re.compile(r"\.([0-9])($|\s+)"), r"[\1]\2", None),
+ (re.compile(r"\.items"), r".items()", None),
+ )
+ writer = Writer(var_re=var_re)
+
+ For details about the writing process have a look at the module code.
+
+ :copyright: (c) 2009 by the Jinja Team.
+ :license: BSD.
+"""
+import re
+import os
+import sys
+from jinja2.defaults import *
+from django.conf import settings
+from django.template import defaulttags as core_tags, loader, TextNode, \
+ FilterExpression, libraries, Variable, loader_tags, TOKEN_TEXT, \
+ TOKEN_VAR
+from django.template.debug import DebugVariableNode as VariableNode
+from django.templatetags import i18n as i18n_tags
+from StringIO import StringIO
+
+
+_node_handlers = {}
+_resolved_filters = {}
+_newline_re = re.compile(r'(?:\r\n|\r|\n)')
+
+
+# Django stores an itertools object on the cycle node. Not only is this
+# thread unsafe but also a problem for the converter which needs the raw
+# string values passed to the constructor to create a jinja loop.cycle()
+# call from it.
+_old_cycle_init = core_tags.CycleNode.__init__
+def _fixed_cycle_init(self, cyclevars, variable_name=None):
+ self.raw_cycle_vars = map(Variable, cyclevars)
+ _old_cycle_init(self, cyclevars, variable_name)
+core_tags.CycleNode.__init__ = _fixed_cycle_init
+
+
+def node(cls):
+ def proxy(f):
+ _node_handlers[cls] = f
+ return f
+ return proxy
+
+
+def convert_templates(output_dir, extensions=('.html', '.txt'), writer=None,
+ callback=None):
+ """Iterates over all templates in the template dirs configured and
+ translates them and writes the new templates into the output directory.
+ """
+ if writer is None:
+ writer = Writer()
+
+ def filter_templates(files):
+ for filename in files:
+ ifilename = filename.lower()
+ for extension in extensions:
+ if ifilename.endswith(extension):
+ yield filename
+
+ def translate(f, loadname):
+ template = loader.get_template(loadname)
+ original = writer.stream
+ writer.stream = f
+ writer.body(template.nodelist)
+ writer.stream = original
+
+ if callback is None:
+ def callback(template):
+ print template
+
+ for directory in settings.TEMPLATE_DIRS:
+ for dirname, _, files in os.walk(directory):
+ dirname = dirname[len(directory) + 1:]
+ for filename in filter_templates(files):
+ source = os.path.normpath(os.path.join(dirname, filename))
+ target = os.path.join(output_dir, dirname, filename)
+ basetarget = os.path.dirname(target)
+ if not os.path.exists(basetarget):
+ os.makedirs(basetarget)
+ callback(source)
+ f = file(target, 'w')
+ try:
+ translate(f, source)
+ finally:
+ f.close()
+
+
+class Writer(object):
+ """The core writer class."""
+
+ def __init__(self, stream=None, error_stream=None,
+ block_start_string=BLOCK_START_STRING,
+ block_end_string=BLOCK_END_STRING,
+ variable_start_string=VARIABLE_START_STRING,
+ variable_end_string=VARIABLE_END_STRING,
+ comment_start_string=COMMENT_START_STRING,
+ comment_end_string=COMMENT_END_STRING,
+ initial_autoescape=True,
+ use_jinja_autoescape=False,
+ custom_node_handlers=None,
+ var_re=[],
+ env=None):
+ if stream is None:
+ stream = sys.stdout
+ if error_stream is None:
+ error_stream = sys.stderr
+ self.stream = stream
+ self.error_stream = error_stream
+ self.block_start_string = block_start_string
+ self.block_end_string = block_end_string
+ self.variable_start_string = variable_start_string
+ self.variable_end_string = variable_end_string
+ self.comment_start_string = comment_start_string
+ self.comment_end_string = comment_end_string
+ self.autoescape = initial_autoescape
+ self.spaceless = False
+ self.use_jinja_autoescape = use_jinja_autoescape
+ self.node_handlers = dict(_node_handlers,
+ **(custom_node_handlers or {}))
+ self._loop_depth = 0
+ self._filters_warned = set()
+ self.var_re = var_re
+ self.env = env
+
+ def enter_loop(self):
+ """Increments the loop depth so that write functions know if they
+ are in a loop.
+ """
+ self._loop_depth += 1
+
+ def leave_loop(self):
+ """Reverse of enter_loop."""
+ self._loop_depth -= 1
+
+ @property
+ def in_loop(self):
+ """True if we are in a loop."""
+ return self._loop_depth > 0
+
+ def write(self, s):
+ """Writes stuff to the stream."""
+ self.stream.write(s.encode(settings.FILE_CHARSET))
+
+ def print_expr(self, expr):
+ """Open a variable tag, write to the string to the stream and close."""
+ self.start_variable()
+ self.write(expr)
+ self.end_variable()
+
+ def _post_open(self):
+ if self.spaceless:
+ self.write('- ')
+ else:
+ self.write(' ')
+
+ def _pre_close(self):
+ if self.spaceless:
+ self.write(' -')
+ else:
+ self.write(' ')
+
+ def start_variable(self):
+ """Start a variable."""
+ self.write(self.variable_start_string)
+ self._post_open()
+
+ def end_variable(self, always_safe=False):
+ """End a variable."""
+ if not always_safe and self.autoescape and \
+ not self.use_jinja_autoescape:
+ self.write('|e')
+ self._pre_close()
+ self.write(self.variable_end_string)
+
+ def start_block(self):
+ """Starts a block."""
+ self.write(self.block_start_string)
+ self._post_open()
+
+ def end_block(self):
+ """Ends a block."""
+ self._pre_close()
+ self.write(self.block_end_string)
+
+ def tag(self, name):
+ """Like `print_expr` just for blocks."""
+ self.start_block()
+ self.write(name)
+ self.end_block()
+
+ def variable(self, name):
+ """Prints a variable. This performs variable name transformation."""
+ self.write(self.translate_variable_name(name))
+
+ def literal(self, value):
+ """Writes a value as literal."""
+ value = repr(value)
+ if value[:2] in ('u"', "u'"):
+ value = value[1:]
+ self.write(value)
+
+ def filters(self, filters, is_block=False):
+ """Dumps a list of filters."""
+ want_pipe = not is_block
+ for filter, args in filters:
+ name = self.get_filter_name(filter)
+ if name is None:
+ self.warn('Could not find filter %s' % name)
+ continue
+ if name not in DEFAULT_FILTERS and \
+ name not in self._filters_warned:
+ self._filters_warned.add(name)
+ self.warn('Filter %s probably doesn\'t exist in Jinja' %
+ name)
+ if not want_pipe:
+ want_pipe = True
+ else:
+ self.write('|')
+ self.write(name)
+ if args:
+ self.write('(')
+ for idx, (is_var, value) in enumerate(args):
+ if idx:
+ self.write(', ')
+ if is_var:
+ self.node(value)
+ else:
+ self.literal(value)
+ self.write(')')
+
+ def get_location(self, origin, position):
+ """Returns the location for an origin and position tuple as name
+ and lineno.
+ """
+ if hasattr(origin, 'source'):
+ source = origin.source
+ name = '<unknown source>'
+ else:
+ source = origin.loader(origin.loadname, origin.dirs)[0]
+ name = origin.loadname
+ lineno = len(_newline_re.findall(source[:position[0]])) + 1
+ return name, lineno
+
+ def warn(self, message, node=None):
+ """Prints a warning to the error stream."""
+ if node is not None and hasattr(node, 'source'):
+ filename, lineno = self.get_location(*node.source)
+ message = '[%s:%d] %s' % (filename, lineno, message)
+ print >> self.error_stream, message
+
+ def translate_variable_name(self, var):
+ """Performs variable name translation."""
+ if self.in_loop and var == 'forloop' or var.startswith('forloop.'):
+ var = var[3:]
+
+ for reg, rep, unless in self.var_re:
+ no_unless = unless and unless.search(var) or True
+ if reg.search(var) and no_unless:
+ var = reg.sub(rep, var)
+ break
+ return var
+
+ def get_filter_name(self, filter):
+ """Returns the filter name for a filter function or `None` if there
+ is no such filter.
+ """
+ if filter not in _resolved_filters:
+ for library in libraries.values():
+ for key, value in library.filters.iteritems():
+ _resolved_filters[value] = key
+ return _resolved_filters.get(filter, None)
+
+ def node(self, node):
+ """Invokes the node handler for a node."""
+ for cls, handler in self.node_handlers.iteritems():
+ if type(node) is cls or type(node).__name__ == cls:
+ handler(self, node)
+ break
+ else:
+ self.warn('Untranslatable node %s.%s found' % (
+ node.__module__,
+ node.__class__.__name__
+ ), node)
+
+ def body(self, nodes):
+ """Calls node() for every node in the iterable passed."""
+ for node in nodes:
+ self.node(node)
+
+
+@node(TextNode)
+def text_node(writer, node):
+ writer.write(node.s)
+
+
+@node(Variable)
+def variable(writer, node):
+ if node.translate:
+ writer.warn('i18n system used, make sure to install translations', node)
+ writer.write('_(')
+ if node.literal is not None:
+ writer.literal(node.literal)
+ else:
+ writer.variable(node.var)
+ if node.translate:
+ writer.write(')')
+
+
+@node(VariableNode)
+def variable_node(writer, node):
+ writer.start_variable()
+ if node.filter_expression.var.var == 'block.super' \
+ and not node.filter_expression.filters:
+ writer.write('super()')
+ else:
+ writer.node(node.filter_expression)
+ writer.end_variable()
+
+
+@node(FilterExpression)
+def filter_expression(writer, node):
+ writer.node(node.var)
+ writer.filters(node.filters)
+
+
+@node(core_tags.CommentNode)
+def comment_tag(writer, node):
+ pass
+
+
+@node(core_tags.DebugNode)
+def comment_tag(writer, node):
+ writer.warn('Debug tag detected. Make sure to add a global function '
+ 'called debug to the namespace.', node=node)
+ writer.print_expr('debug()')
+
+
+@node(core_tags.ForNode)
+def for_loop(writer, node):
+ writer.start_block()
+ writer.write('for ')
+ for idx, var in enumerate(node.loopvars):
+ if idx:
+ writer.write(', ')
+ writer.variable(var)
+ writer.write(' in ')
+ if node.is_reversed:
+ writer.write('(')
+ writer.node(node.sequence)
+ if node.is_reversed:
+ writer.write(')|reverse')
+ writer.end_block()
+ writer.enter_loop()
+ writer.body(node.nodelist_loop)
+ writer.leave_loop()
+ writer.tag('endfor')
+
+
+@node(core_tags.IfNode)
+def if_condition(writer, node):
+ writer.start_block()
+ writer.write('if ')
+ join_with = 'and'
+ if node.link_type == core_tags.IfNode.LinkTypes.or_:
+ join_with = 'or'
+
+ for idx, (ifnot, expr) in enumerate(node.bool_exprs):
+ if idx:
+ writer.write(' %s ' % join_with)
+ if ifnot:
+ writer.write('not ')
+ writer.node(expr)
+ writer.end_block()
+ writer.body(node.nodelist_true)
+ if node.nodelist_false:
+ writer.tag('else')
+ writer.body(node.nodelist_false)
+ writer.tag('endif')
+
+
+@node(core_tags.IfEqualNode)
+def if_equal(writer, node):
+ writer.start_block()
+ writer.write('if ')
+ writer.node(node.var1)
+ if node.negate:
+ writer.write(' != ')
+ else:
+ writer.write(' == ')
+ writer.node(node.var2)
+ writer.end_block()
+ writer.body(node.nodelist_true)
+ if node.nodelist_false:
+ writer.tag('else')
+ writer.body(node.nodelist_false)
+ writer.tag('endif')
+
+
+@node(loader_tags.BlockNode)
+def block(writer, node):
+ writer.tag('block ' + node.name.replace('-', '_').rstrip('_'))
+ node = node
+ while node.parent is not None:
+ node = node.parent
+ writer.body(node.nodelist)
+ writer.tag('endblock')
+
+
+@node(loader_tags.ExtendsNode)
+def extends(writer, node):
+ writer.start_block()
+ writer.write('extends ')
+ if node.parent_name_expr:
+ writer.node(node.parent_name_expr)
+ else:
+ writer.literal(node.parent_name)
+ writer.end_block()
+ writer.body(node.nodelist)
+
+
+@node(loader_tags.ConstantIncludeNode)
+@node(loader_tags.IncludeNode)
+def include(writer, node):
+ writer.start_block()
+ writer.write('include ')
+ if hasattr(node, 'template'):
+ writer.literal(node.template.name)
+ else:
+ writer.node(node.template_name)
+ writer.end_block()
+
+
+@node(core_tags.CycleNode)
+def cycle(writer, node):
+ if not writer.in_loop:
+ writer.warn('Untranslatable free cycle (cycle outside loop)', node=node)
+ return
+ if node.variable_name is not None:
+ writer.start_block()
+ writer.write('set %s = ' % node.variable_name)
+ else:
+ writer.start_variable()
+ writer.write('loop.cycle(')
+ for idx, var in enumerate(node.raw_cycle_vars):
+ if idx:
+ writer.write(', ')
+ writer.node(var)
+ writer.write(')')
+ if node.variable_name is not None:
+ writer.end_block()
+ else:
+ writer.end_variable()
+
+
+@node(core_tags.FilterNode)
+def filter(writer, node):
+ writer.start_block()
+ writer.write('filter ')
+ writer.filters(node.filter_expr.filters, True)
+ writer.end_block()
+ writer.body(node.nodelist)
+ writer.tag('endfilter')
+
+
+@node(core_tags.AutoEscapeControlNode)
+def autoescape_control(writer, node):
+ original = writer.autoescape
+ writer.autoescape = node.setting
+ writer.body(node.nodelist)
+ writer.autoescape = original
+
+
+@node(core_tags.SpacelessNode)
+def spaceless(writer, node):
+ original = writer.spaceless
+ writer.spaceless = True
+ writer.warn('entering spaceless mode with different semantics', node)
+ # do the initial stripping
+ nodelist = list(node.nodelist)
+ if nodelist:
+ if isinstance(nodelist[0], TextNode):
+ nodelist[0] = TextNode(nodelist[0].s.lstrip())
+ if isinstance(nodelist[-1], TextNode):
+ nodelist[-1] = TextNode(nodelist[-1].s.rstrip())
+ writer.body(nodelist)
+ writer.spaceless = original
+
+
+@node(core_tags.TemplateTagNode)
+def template_tag(writer, node):
+ tag = {
+ 'openblock': writer.block_start_string,
+ 'closeblock': writer.block_end_string,
+ 'openvariable': writer.variable_start_string,
+ 'closevariable': writer.variable_end_string,
+ 'opencomment': writer.comment_start_string,
+ 'closecomment': writer.comment_end_string,
+ 'openbrace': '{',
+ 'closebrace': '}'
+ }.get(node.tagtype)
+ if tag:
+ writer.start_variable()
+ writer.literal(tag)
+ writer.end_variable()
+
+
+@node(core_tags.URLNode)
+def url_tag(writer, node):
+ writer.warn('url node used. make sure to provide a proper url() '
+ 'function', node)
+ if node.asvar:
+ writer.start_block()
+ writer.write('set %s = ' % node.asvar)
+ else:
+ writer.start_variable()
+ autoescape = writer.autoescape
+ writer.write('url(')
+ writer.literal(node.view_name)
+ for arg in node.args:
+ writer.write(', ')
+ writer.node(arg)
+ for key, arg in node.kwargs.items():
+ writer.write(', %s=' % key)
+ writer.node(arg)
+ writer.write(')')
+ if node.asvar:
+ writer.end_block()
+ else:
+ writer.end_variable()
+
+
+@node(core_tags.WidthRatioNode)
+def width_ratio(writer, node):
+ writer.warn('widthratio expanded into formula. You may want to provide '
+ 'a helper function for this calculation', node)
+ writer.start_variable()
+ writer.write('(')
+ writer.node(node.val_expr)
+ writer.write(' / ')
+ writer.node(node.max_expr)
+ writer.write(' * ')
+ writer.write(str(int(node.max_width)))
+ writer.write(')|round|int')
+ writer.end_variable(always_safe=True)
+
+
+@node(core_tags.WithNode)
+def with_block(writer, node):
+ writer.warn('with block expanded into set statement. This could cause '
+ 'variables following that block to be overriden.', node)
+ writer.start_block()
+ writer.write('set %s = ' % node.name)
+ writer.node(node.var)
+ writer.end_block()
+ writer.body(node.nodelist)
+
+
+@node(core_tags.RegroupNode)
+def regroup(writer, node):
+ if node.expression.var.literal:
+ writer.warn('literal in groupby filter used. Behavior in that '
+ 'situation is undefined and translation is skipped.', node)
+ return
+ elif node.expression.filters:
+ writer.warn('filters in groupby filter used. Behavior in that '
+ 'situation is undefined which is most likely a bug '
+ 'in your code. Filters were ignored.', node)
+ writer.start_block()
+ writer.write('set %s = ' % node.var_name)
+ writer.node(node.target)
+ writer.write('|groupby(')
+ writer.literal(node.expression.var.var)
+ writer.write(')')
+ writer.end_block()
+
+
+@node(core_tags.LoadNode)
+def warn_load(writer, node):
+ writer.warn('load statement used which was ignored on conversion', node)
+
+
+@node(i18n_tags.GetAvailableLanguagesNode)
+def get_available_languages(writer, node):
+ writer.warn('make sure to provide a get_available_languages function', node)
+ writer.tag('set %s = get_available_languages()' %
+ writer.translate_variable_name(node.variable))
+
+
+@node(i18n_tags.GetCurrentLanguageNode)
+def get_current_language(writer, node):
+ writer.warn('make sure to provide a get_current_language function', node)
+ writer.tag('set %s = get_current_language()' %
+ writer.translate_variable_name(node.variable))
+
+
+@node(i18n_tags.GetCurrentLanguageBidiNode)
+def get_current_language_bidi(writer, node):
+ writer.warn('make sure to provide a get_current_language_bidi function', node)
+ writer.tag('set %s = get_current_language_bidi()' %
+ writer.translate_variable_name(node.variable))
+
+
+@node(i18n_tags.TranslateNode)
+def simple_gettext(writer, node):
+ writer.warn('i18n system used, make sure to install translations', node)
+ writer.start_variable()
+ writer.write('_(')
+ writer.node(node.value)
+ writer.write(')')
+ writer.end_variable()
+
+
+@node(i18n_tags.BlockTranslateNode)
+def translate_block(writer, node):
+ first_var = []
+ variables = set()
+
+ def touch_var(name):
+ variables.add(name)
+ if not first_var:
+ first_var.append(name)
+
+ def dump_token_list(tokens):
+ for token in tokens:
+ if token.token_type == TOKEN_TEXT:
+ writer.write(token.contents)
+ elif token.token_type == TOKEN_VAR:
+ writer.print_expr(token.contents)
+ touch_var(token.contents)
+
+ writer.warn('i18n system used, make sure to install translations', node)
+ writer.start_block()
+ writer.write('trans')
+ idx = -1
+ for idx, (key, var) in enumerate(node.extra_context.items()):
+ if idx:
+ writer.write(',')
+ writer.write(' %s=' % key)
+ touch_var(key)
+ writer.node(var.filter_expression)
+
+ have_plural = False
+ plural_var = None
+ if node.plural and node.countervar and node.counter:
+ have_plural = True
+ plural_var = node.countervar
+ if plural_var not in variables:
+ if idx > -1:
+ writer.write(',')
+ touch_var(plural_var)
+ writer.write(' %s=' % plural_var)
+ writer.node(node.counter)
+
+ writer.end_block()
+ dump_token_list(node.singular)
+ if node.plural and node.countervar and node.counter:
+ writer.start_block()
+ writer.write('pluralize')
+ if node.countervar != first_var[0]:
+ writer.write(' ' + node.countervar)
+ writer.end_block()
+ dump_token_list(node.plural)
+ writer.tag('endtrans')
+
+@node("SimpleNode")
+def simple_tag(writer, node):
+ """Check if the simple tag exist as a filter in """
+ name = node.tag_name
+ if writer.env and \
+ name not in writer.env.filters and \
+ name not in writer._filters_warned:
+ writer._filters_warned.add(name)
+ writer.warn('Filter %s probably doesn\'t exist in Jinja' %
+ name)
+
+ if not node.vars_to_resolve:
+ # No argument, pass the request
+ writer.start_variable()
+ writer.write('request|')
+ writer.write(name)
+ writer.end_variable()
+ return
+
+ first_var = node.vars_to_resolve[0]
+ args = node.vars_to_resolve[1:]
+ writer.start_variable()
+
+ # Copied from Writer.filters()
+ writer.node(first_var)
+
+ writer.write('|')
+ writer.write(name)
+ if args:
+ writer.write('(')
+ for idx, var in enumerate(args):
+ if idx:
+ writer.write(', ')
+ if var.var:
+ writer.node(var)
+ else:
+ writer.literal(var.literal)
+ writer.write(')')
+ writer.end_variable()
+
+# get rid of node now, it shouldn't be used normally
+del node
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/django2jinja/example.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/django2jinja/example.py b/ambari-common/src/main/python/jinja2/ext/django2jinja/example.py
new file mode 100644
index 0000000..2d4ab9a
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/django2jinja/example.py
@@ -0,0 +1,7 @@
+from django.conf import settings
+settings.configure(TEMPLATE_DIRS=['templates'], TEMPLATE_DEBUG=True)
+
+from django2jinja import convert_templates, Writer
+
+writer = Writer(use_jinja_autoescape=True)
+convert_templates('converted', writer=writer)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/index.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/index.html b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/index.html
new file mode 100644
index 0000000..d0fbe38
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/index.html
@@ -0,0 +1,58 @@
+{% extends "layout.html" %}
+{% load i18n %}
+{% block title %}Foo{% endblock %}
+{% block page-body %}
+ {{ block.super }}
+ Hello {{ name|cut:"d" }}!
+
+ {% for item in seq reversed %}
+ {% if forloop.index|divisibleby:2 %}
+ <li class="{% cycle 'a' 'b' %}">{{ item }}</li>
+ {% endif %}
+ {% endfor %}
+ {% ifequal foo bar %}
+ haha
+ {% else %}
+ hmm
+ {% endifequal %}
+ {% filter upper %}
+ {% include "subtemplate.html" %}
+ {% include foo %}
+ {% endfilter %}
+ {% spaceless %}
+ Hello World
+ {{ foo }}
+ Hmm
+ {% endspaceless %}
+ {% templatetag opencomment %}...{% templatetag closecomment %}
+ {% url foo a, b, c=d %}
+ {% url foo a, b, c=d as hmm %}
+
+ {% with object.value as value %}
+ <img src='bar.gif' height='10' width='{% widthratio value 200 100 %}'>
+ {% endwith %}
+
+ <pre>{% debug %}</pre>
+
+ {% blocktrans with book|title as book_t and author|title as author_t %}
+ This is {{ book_t }} by {{ author_t }}
+ {% endblocktrans %}
+
+ {% blocktrans count list|length as counter %}
+ There is only one {{ name }} object.
+ {% plural %}
+ There are {{ counter }} {{ name }} objects.
+ {% endblocktrans %}
+
+ {% blocktrans with name|escape as name count list|length as counter %}
+ There is only one {{ name }} object.
+ {% plural %}
+ There are {{ counter }} {{ name }} objects.
+ {% endblocktrans %}
+
+ {% blocktrans %}This string will have {{ value }} inside.{% endblocktrans %}
+
+ <p>{% trans "This is the title." %}</p>
+
+ {% regroup people by gender as grouped %}
+{% endblock %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/layout.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/layout.html b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/layout.html
new file mode 100644
index 0000000..3f21a12
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/layout.html
@@ -0,0 +1,4 @@
+<title>{% block title %}{% endblock %}</title>
+<div class="body">
+ {% block page-body %}{% endblock %}
+</div>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/subtemplate.html
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/subtemplate.html b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/subtemplate.html
new file mode 100644
index 0000000..980a0d5
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/django2jinja/templates/subtemplate.html
@@ -0,0 +1 @@
+Hello World!
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/djangojinja2.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/djangojinja2.py b/ambari-common/src/main/python/jinja2/ext/djangojinja2.py
new file mode 100644
index 0000000..d24d164
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/djangojinja2.py
@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+"""
+ djangojinja2
+ ~~~~~~~~~~~~
+
+ Adds support for Jinja2 to Django.
+
+ Configuration variables:
+
+ ======================= =============================================
+ Key Description
+ ======================= =============================================
+ `JINJA2_TEMPLATE_DIRS` List of template folders
+ `JINJA2_EXTENSIONS` List of Jinja2 extensions to use
+ `JINJA2_CACHE_SIZE` The size of the Jinja2 template cache.
+ ======================= =============================================
+
+ :copyright: (c) 2009 by the Jinja Team.
+ :license: BSD.
+"""
+from itertools import chain
+from django.conf import settings
+from django.http import HttpResponse
+from django.core.exceptions import ImproperlyConfigured
+from django.template.context import get_standard_processors
+from django.template import TemplateDoesNotExist
+from jinja2 import Environment, FileSystemLoader, TemplateNotFound
+from jinja2.defaults import DEFAULT_NAMESPACE
+
+
+# the environment is unconfigured until the first template is loaded.
+_jinja_env = None
+
+
+def get_env():
+ """Get the Jinja2 env and initialize it if necessary."""
+ global _jinja_env
+ if _jinja_env is None:
+ _jinja_env = create_env()
+ return _jinja_env
+
+
+def create_env():
+ """Create a new Jinja2 environment."""
+ searchpath = list(settings.JINJA2_TEMPLATE_DIRS)
+ return Environment(loader=FileSystemLoader(searchpath),
+ auto_reload=settings.TEMPLATE_DEBUG,
+ cache_size=getattr(settings, 'JINJA2_CACHE_SIZE', 50),
+ extensions=getattr(settings, 'JINJA2_EXTENSIONS', ()))
+
+
+def get_template(template_name, globals=None):
+ """Load a template."""
+ try:
+ return get_env().get_template(template_name, globals=globals)
+ except TemplateNotFound, e:
+ raise TemplateDoesNotExist(str(e))
+
+
+def select_template(templates, globals=None):
+ """Try to load one of the given templates."""
+ env = get_env()
+ for template in templates:
+ try:
+ return env.get_template(template, globals=globals)
+ except TemplateNotFound:
+ continue
+ raise TemplateDoesNotExist(', '.join(templates))
+
+
+def render_to_string(template_name, context=None, request=None,
+ processors=None):
+ """Render a template into a string."""
+ context = dict(context or {})
+ if request is not None:
+ context['request'] = request
+ for processor in chain(get_standard_processors(), processors or ()):
+ context.update(processor(request))
+ return get_template(template_name).render(context)
+
+
+def render_to_response(template_name, context=None, request=None,
+ processors=None, mimetype=None):
+ """Render a template into a response object."""
+ return HttpResponse(render_to_string(template_name, context, request,
+ processors), mimetype=mimetype)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/inlinegettext.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/inlinegettext.py b/ambari-common/src/main/python/jinja2/ext/inlinegettext.py
new file mode 100644
index 0000000..cf4ed5e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/inlinegettext.py
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+"""
+ Inline Gettext
+ ~~~~~~~~~~~~~~
+
+ An example extension for Jinja2 that supports inline gettext calls.
+ Requires the i18n extension to be loaded.
+
+ :copyright: (c) 2009 by the Jinja Team.
+ :license: BSD.
+"""
+import re
+from jinja2.ext import Extension
+from jinja2.lexer import Token, count_newlines
+from jinja2.exceptions import TemplateSyntaxError
+
+
+_outside_re = re.compile(r'\\?(gettext|_)\(')
+_inside_re = re.compile(r'\\?[()]')
+
+
+class InlineGettext(Extension):
+ """This extension implements support for inline gettext blocks::
+
+ <h1>_(Welcome)</h1>
+ <p>_(This is a paragraph)</p>
+
+ Requires the i18n extension to be loaded and configured.
+ """
+
+ def filter_stream(self, stream):
+ paren_stack = 0
+
+ for token in stream:
+ if token.type is not 'data':
+ yield token
+ continue
+
+ pos = 0
+ lineno = token.lineno
+
+ while 1:
+ if not paren_stack:
+ match = _outside_re.search(token.value, pos)
+ else:
+ match = _inside_re.search(token.value, pos)
+ if match is None:
+ break
+ new_pos = match.start()
+ if new_pos > pos:
+ preval = token.value[pos:new_pos]
+ yield Token(lineno, 'data', preval)
+ lineno += count_newlines(preval)
+ gtok = match.group()
+ if gtok[0] == '\\':
+ yield Token(lineno, 'data', gtok[1:])
+ elif not paren_stack:
+ yield Token(lineno, 'block_begin', None)
+ yield Token(lineno, 'name', 'trans')
+ yield Token(lineno, 'block_end', None)
+ paren_stack = 1
+ else:
+ if gtok == '(' or paren_stack > 1:
+ yield Token(lineno, 'data', gtok)
+ paren_stack += gtok == ')' and -1 or 1
+ if not paren_stack:
+ yield Token(lineno, 'block_begin', None)
+ yield Token(lineno, 'name', 'endtrans')
+ yield Token(lineno, 'block_end', None)
+ pos = match.end()
+
+ if pos < len(token.value):
+ yield Token(lineno, 'data', token.value[pos:])
+
+ if paren_stack:
+ raise TemplateSyntaxError('unclosed gettext expression',
+ token.lineno, stream.name,
+ stream.filename)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/ext/jinja.el
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/ext/jinja.el b/ambari-common/src/main/python/jinja2/ext/jinja.el
new file mode 100644
index 0000000..401ba29
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/ext/jinja.el
@@ -0,0 +1,213 @@
+;;; jinja.el --- Jinja mode highlighting
+;;
+;; Author: Georg Brandl
+;; Copyright: (c) 2009 by the Jinja Team
+;; Last modified: 2008-05-22 23:04 by gbr
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;;; Commentary:
+;;
+;; Mostly ripped off django-mode by Lennart Borgman.
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program; see the file COPYING. If not, write to
+;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+;; Floor, Boston, MA 02110-1301, USA.
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;;; Code:
+
+(defconst jinja-font-lock-keywords
+ (list
+; (cons (rx "{% comment %}" (submatch (0+ anything))
+; "{% endcomment %}") (list 1 font-lock-comment-face))
+ '("{# ?\\(.*?\\) ?#}" . (1 font-lock-comment-face))
+ '("{%-?\\|-?%}\\|{{\\|}}" . font-lock-preprocessor-face)
+ '("{#\\|#}" . font-lock-comment-delimiter-face)
+ ;; first word in a block is a command
+ '("{%-?[ \t\n]*\\([a-zA-Z_]+\\)" . (1 font-lock-keyword-face))
+ ;; variables
+ '("\\({{ ?\\)\\([^|]*?\\)\\(|.*?\\)? ?}}" . (1 font-lock-variable-name-face))
+ ;; keywords and builtins
+ (cons (rx word-start
+ (or "in" "as" "recursive" "not" "and" "or" "if" "else"
+ "import" "with" "without" "context")
+ word-end)
+ font-lock-keyword-face)
+ (cons (rx word-start
+ (or "true" "false" "none" "loop" "self" "super")
+ word-end)
+ font-lock-builtin-face)
+ ;; tests
+ '("\\(is\\)[ \t]*\\(not\\)[ \t]*\\([a-zA-Z_]+\\)"
+ (1 font-lock-keyword-face) (2 font-lock-keyword-face)
+ (3 font-lock-function-name-face))
+ ;; builtin filters
+ (cons (rx
+ "|" (* space)
+ (submatch
+ (or "abs" "batch" "capitalize" "capture" "center" "count" "default"
+ "dformat" "dictsort" "e" "escape" "filesizeformat" "first"
+ "float" "format" "getattribute" "getitem" "groupby" "indent"
+ "int" "join" "jsonencode" "last" "length" "lower" "markdown"
+ "pprint" "random" "replace" "reverse" "round" "rst" "slice"
+ "sort" "string" "striptags" "sum" "textile" "title" "trim"
+ "truncate" "upper" "urlencode" "urlize" "wordcount" "wordwrap"
+ "xmlattr")))
+ (list 1 font-lock-builtin-face))
+ )
+ "Minimal highlighting expressions for Jinja mode")
+
+(define-derived-mode jinja-mode nil "Jinja"
+ "Simple Jinja mode for use with `mumamo-mode'.
+This mode only provides syntax highlighting."
+ ;;(set (make-local-variable 'comment-start) "{#")
+ ;;(set (make-local-variable 'comment-end) "#}")
+ (setq font-lock-defaults '(jinja-font-lock-keywords)))
+
+;; mumamo stuff
+
+(when (require 'mumamo nil t)
+
+ (defun mumamo-chunk-jinja3(pos min max)
+ "Find {# ... #}. Return range and `jinja-mode'.
+See `mumamo-find-possible-chunk' for POS, MIN and MAX."
+ (mumamo-find-possible-chunk pos min max
+ 'mumamo-search-bw-exc-start-jinja3
+ 'mumamo-search-bw-exc-end-jinja3
+ 'mumamo-search-fw-exc-start-jinja3
+ 'mumamo-search-fw-exc-end-jinja3))
+
+ (defun mumamo-chunk-jinja2(pos min max)
+ "Find {{ ... }}. Return range and `jinja-mode'.
+See `mumamo-find-possible-chunk' for POS, MIN and MAX."
+ (mumamo-find-possible-chunk pos min max
+ 'mumamo-search-bw-exc-start-jinja2
+ 'mumamo-search-bw-exc-end-jinja2
+ 'mumamo-search-fw-exc-start-jinja2
+ 'mumamo-search-fw-exc-end-jinja2))
+
+ (defun mumamo-chunk-jinja (pos min max)
+ "Find {% ... %}. Return range and `jinja-mode'.
+See `mumamo-find-possible-chunk' for POS, MIN and MAX."
+ (mumamo-find-possible-chunk pos min max
+ 'mumamo-search-bw-exc-start-jinja
+ 'mumamo-search-bw-exc-end-jinja
+ 'mumamo-search-fw-exc-start-jinja
+ 'mumamo-search-fw-exc-end-jinja))
+
+ (defun mumamo-search-bw-exc-start-jinja (pos min)
+ "Helper for `mumamo-chunk-jinja'.
+POS is where to start search and MIN is where to stop."
+ (let ((exc-start (mumamo-chunk-start-bw-str-inc pos min "{%")))
+ (and exc-start
+ (<= exc-start pos)
+ (cons exc-start 'jinja-mode))))
+
+ (defun mumamo-search-bw-exc-start-jinja2(pos min)
+ "Helper for `mumamo-chunk-jinja2'.
+POS is where to start search and MIN is where to stop."
+ (let ((exc-start (mumamo-chunk-start-bw-str-inc pos min "{{")))
+ (and exc-start
+ (<= exc-start pos)
+ (cons exc-start 'jinja-mode))))
+
+ (defun mumamo-search-bw-exc-start-jinja3(pos min)
+ "Helper for `mumamo-chunk-jinja3'.
+POS is where to start search and MIN is where to stop."
+ (let ((exc-start (mumamo-chunk-start-bw-str-inc pos min "{#")))
+ (and exc-start
+ (<= exc-start pos)
+ (cons exc-start 'jinja-mode))))
+
+ (defun mumamo-search-bw-exc-end-jinja (pos min)
+ "Helper for `mumamo-chunk-jinja'.
+POS is where to start search and MIN is where to stop."
+ (mumamo-chunk-end-bw-str-inc pos min "%}"))
+
+ (defun mumamo-search-bw-exc-end-jinja2(pos min)
+ "Helper for `mumamo-chunk-jinja2'.
+POS is where to start search and MIN is where to stop."
+ (mumamo-chunk-end-bw-str-inc pos min "}}"))
+
+ (defun mumamo-search-bw-exc-end-jinja3(pos min)
+ "Helper for `mumamo-chunk-jinja3'.
+POS is where to start search and MIN is where to stop."
+ (mumamo-chunk-end-bw-str-inc pos min "#}"))
+
+ (defun mumamo-search-fw-exc-start-jinja (pos max)
+ "Helper for `mumamo-chunk-jinja'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-start-fw-str-inc pos max "{%"))
+
+ (defun mumamo-search-fw-exc-start-jinja2(pos max)
+ "Helper for `mumamo-chunk-jinja2'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-start-fw-str-inc pos max "{{"))
+
+ (defun mumamo-search-fw-exc-start-jinja3(pos max)
+ "Helper for `mumamo-chunk-jinja3'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-start-fw-str-inc pos max "{#"))
+
+ (defun mumamo-search-fw-exc-end-jinja (pos max)
+ "Helper for `mumamo-chunk-jinja'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-end-fw-str-inc pos max "%}"))
+
+ (defun mumamo-search-fw-exc-end-jinja2(pos max)
+ "Helper for `mumamo-chunk-jinja2'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-end-fw-str-inc pos max "}}"))
+
+ (defun mumamo-search-fw-exc-end-jinja3(pos max)
+ "Helper for `mumamo-chunk-jinja3'.
+POS is where to start search and MAX is where to stop."
+ (mumamo-chunk-end-fw-str-inc pos max "#}"))
+
+;;;###autoload
+ (define-mumamo-multi-major-mode jinja-html-mumamo
+ "Turn on multiple major modes for Jinja with main mode `html-mode'.
+This also covers inlined style and javascript."
+ ("Jinja HTML Family" html-mode
+ (mumamo-chunk-jinja
+ mumamo-chunk-jinja2
+ mumamo-chunk-jinja3
+ mumamo-chunk-inlined-style
+ mumamo-chunk-inlined-script
+ mumamo-chunk-style=
+ mumamo-chunk-onjs=
+ )))
+
+;;;###autoload
+ (define-mumamo-multi-major-mode jinja-nxhtml-mumamo
+ "Turn on multiple major modes for Jinja with main mode `nxhtml-mode'.
+This also covers inlined style and javascript."
+ ("Jinja nXhtml Family" nxhtml-mode
+ (mumamo-chunk-jinja
+ mumamo-chunk-jinja2
+ mumamo-chunk-jinja3
+ mumamo-chunk-inlined-style
+ mumamo-chunk-inlined-script
+ mumamo-chunk-style=
+ mumamo-chunk-onjs=
+ )))
+ )
+
+(provide 'jinja)
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; jinja.el ends here
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2-debug.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2-debug.py b/ambari-common/src/main/python/jinja2/jinja2-debug.py
new file mode 100644
index 0000000..c9c482f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2-debug.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+ Jinja2 Debug Interface
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Helper script for internal Jinja2 debugging. Requires Werkzeug.
+
+ :copyright: Copyright 2010 by Armin Ronacher.
+ :license: BSD.
+"""
+import sys
+import jinja2
+from werkzeug import script
+
+env = jinja2.Environment(extensions=['jinja2.ext.i18n', 'jinja2.ext.do',
+ 'jinja2.ext.loopcontrols'])
+
+def shell_init_func():
+ def _compile(x):
+ print env.compile(x, raw=True)
+ result = {
+ 'e': env,
+ 'c': _compile,
+ 't': env.from_string,
+ 'p': env.parse
+ }
+ for key in jinja2.__all__:
+ result[key] = getattr(jinja2, key)
+ return result
+
+
+def action_compile():
+ print env.compile(sys.stdin.read(), raw=True)
+
+action_shell = script.make_shell(shell_init_func)
+
+
+if __name__ == '__main__':
+ script.run()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/__init__.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/__init__.py b/ambari-common/src/main/python/jinja2/jinja2/__init__.py
new file mode 100644
index 0000000..f944e11
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/__init__.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2
+ ~~~~~~
+
+ Jinja2 is a template engine written in pure Python. It provides a
+ Django inspired non-XML syntax but supports inline expressions and
+ an optional sandboxed environment.
+
+ Nutshell
+ --------
+
+ Here a small example of a Jinja2 template::
+
+ {% extends 'base.html' %}
+ {% block title %}Memberlist{% endblock %}
+ {% block content %}
+ <ul>
+ {% for user in users %}
+ <li><a href="{{ user.url }}">{{ user.username }}</a></li>
+ {% endfor %}
+ </ul>
+ {% endblock %}
+
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+__docformat__ = 'restructuredtext en'
+try:
+ __version__ = __import__('pkg_resources') \
+ .get_distribution('Jinja2').version
+except:
+ __version__ = 'unknown'
+
+# high level interface
+from jinja2.environment import Environment, Template
+
+# loaders
+from jinja2.loaders import BaseLoader, FileSystemLoader, PackageLoader, \
+ DictLoader, FunctionLoader, PrefixLoader, ChoiceLoader, \
+ ModuleLoader
+
+# bytecode caches
+from jinja2.bccache import BytecodeCache, FileSystemBytecodeCache, \
+ MemcachedBytecodeCache
+
+# undefined types
+from jinja2.runtime import Undefined, DebugUndefined, StrictUndefined
+
+# exceptions
+from jinja2.exceptions import TemplateError, UndefinedError, \
+ TemplateNotFound, TemplatesNotFound, TemplateSyntaxError, \
+ TemplateAssertionError
+
+# decorators and public utilities
+from jinja2.filters import environmentfilter, contextfilter, \
+ evalcontextfilter
+from jinja2.utils import Markup, escape, clear_caches, \
+ environmentfunction, evalcontextfunction, contextfunction, \
+ is_undefined
+
+__all__ = [
+ 'Environment', 'Template', 'BaseLoader', 'FileSystemLoader',
+ 'PackageLoader', 'DictLoader', 'FunctionLoader', 'PrefixLoader',
+ 'ChoiceLoader', 'BytecodeCache', 'FileSystemBytecodeCache',
+ 'MemcachedBytecodeCache', 'Undefined', 'DebugUndefined',
+ 'StrictUndefined', 'TemplateError', 'UndefinedError', 'TemplateNotFound',
+ 'TemplatesNotFound', 'TemplateSyntaxError', 'TemplateAssertionError',
+ 'ModuleLoader', 'environmentfilter', 'contextfilter', 'Markup', 'escape',
+ 'environmentfunction', 'contextfunction', 'clear_caches', 'is_undefined',
+ 'evalcontextfilter', 'evalcontextfunction'
+]
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_debugsupport.c
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_debugsupport.c b/ambari-common/src/main/python/jinja2/jinja2/_debugsupport.c
new file mode 100644
index 0000000..e756d8e
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_debugsupport.c
@@ -0,0 +1,78 @@
+/**
+ * jinja2._debugsupport
+ * ~~~~~~~~~~~~~~~~~~~~
+ *
+ * C implementation of `tb_set_next`.
+ *
+ * :copyright: (c) 2010 by the Jinja Team.
+ * :license: BSD.
+ */
+
+#include <Python.h>
+
+
+static PyObject*
+tb_set_next(PyObject *self, PyObject *args)
+{
+ PyTracebackObject *tb, *old;
+ PyObject *next;
+
+ if (!PyArg_ParseTuple(args, "O!O:tb_set_next", &PyTraceBack_Type, &tb, &next))
+ return NULL;
+ if (next == Py_None)
+ next = NULL;
+ else if (!PyTraceBack_Check(next)) {
+ PyErr_SetString(PyExc_TypeError,
+ "tb_set_next arg 2 must be traceback or None");
+ return NULL;
+ }
+ else
+ Py_INCREF(next);
+
+ old = tb->tb_next;
+ tb->tb_next = (PyTracebackObject*)next;
+ Py_XDECREF(old);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyMethodDef module_methods[] = {
+ {"tb_set_next", (PyCFunction)tb_set_next, METH_VARARGS,
+ "Set the tb_next member of a traceback object."},
+ {NULL, NULL, 0, NULL} /* Sentinel */
+};
+
+
+#if PY_MAJOR_VERSION < 3
+
+#ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
+#define PyMODINIT_FUNC void
+#endif
+PyMODINIT_FUNC
+init_debugsupport(void)
+{
+ Py_InitModule3("jinja2._debugsupport", module_methods, "");
+}
+
+#else /* Python 3.x module initialization */
+
+static struct PyModuleDef module_definition = {
+ PyModuleDef_HEAD_INIT,
+ "jinja2._debugsupport",
+ NULL,
+ -1,
+ module_methods,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+PyMODINIT_FUNC
+PyInit__debugsupport(void)
+{
+ return PyModule_Create(&module_definition);
+}
+
+#endif
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/__init__.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/__init__.py b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/__init__.py
new file mode 100644
index 0000000..ec7bd57
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/__init__.py
@@ -0,0 +1,225 @@
+# -*- coding: utf-8 -*-
+"""
+ markupsafe
+ ~~~~~~~~~~
+
+ Implements a Markup string.
+
+ :copyright: (c) 2010 by Armin Ronacher.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+from itertools import imap
+
+
+__all__ = ['Markup', 'soft_unicode', 'escape', 'escape_silent']
+
+
+_striptags_re = re.compile(r'(<!--.*?-->|<[^>]*>)')
+_entity_re = re.compile(r'&([^;]+);')
+
+
+class Markup(unicode):
+ r"""Marks a string as being safe for inclusion in HTML/XML output without
+ needing to be escaped. This implements the `__html__` interface a couple
+ of frameworks and web applications use. :class:`Markup` is a direct
+ subclass of `unicode` and provides all the methods of `unicode` just that
+ it escapes arguments passed and always returns `Markup`.
+
+ The `escape` function returns markup objects so that double escaping can't
+ happen.
+
+ The constructor of the :class:`Markup` class can be used for three
+ different things: When passed an unicode object it's assumed to be safe,
+ when passed an object with an HTML representation (has an `__html__`
+ method) that representation is used, otherwise the object passed is
+ converted into a unicode string and then assumed to be safe:
+
+ >>> Markup("Hello <em>World</em>!")
+ Markup(u'Hello <em>World</em>!')
+ >>> class Foo(object):
+ ... def __html__(self):
+ ... return '<a href="#">foo</a>'
+ ...
+ >>> Markup(Foo())
+ Markup(u'<a href="#">foo</a>')
+
+ If you want object passed being always treated as unsafe you can use the
+ :meth:`escape` classmethod to create a :class:`Markup` object:
+
+ >>> Markup.escape("Hello <em>World</em>!")
+ Markup(u'Hello <em>World</em>!')
+
+ Operations on a markup string are markup aware which means that all
+ arguments are passed through the :func:`escape` function:
+
+ >>> em = Markup("<em>%s</em>")
+ >>> em % "foo & bar"
+ Markup(u'<em>foo & bar</em>')
+ >>> strong = Markup("<strong>%(text)s</strong>")
+ >>> strong % {'text': '<blink>hacker here</blink>'}
+ Markup(u'<strong><blink>hacker here</blink></strong>')
+ >>> Markup("<em>Hello</em> ") + "<foo>"
+ Markup(u'<em>Hello</em> <foo>')
+ """
+ __slots__ = ()
+
+ def __new__(cls, base=u'', encoding=None, errors='strict'):
+ if hasattr(base, '__html__'):
+ base = base.__html__()
+ if encoding is None:
+ return unicode.__new__(cls, base)
+ return unicode.__new__(cls, base, encoding, errors)
+
+ def __html__(self):
+ return self
+
+ def __add__(self, other):
+ if hasattr(other, '__html__') or isinstance(other, basestring):
+ return self.__class__(unicode(self) + unicode(escape(other)))
+ return NotImplemented
+
+ def __radd__(self, other):
+ if hasattr(other, '__html__') or isinstance(other, basestring):
+ return self.__class__(unicode(escape(other)) + unicode(self))
+ return NotImplemented
+
+ def __mul__(self, num):
+ if isinstance(num, (int, long)):
+ return self.__class__(unicode.__mul__(self, num))
+ return NotImplemented
+ __rmul__ = __mul__
+
+ def __mod__(self, arg):
+ if isinstance(arg, tuple):
+ arg = tuple(imap(_MarkupEscapeHelper, arg))
+ else:
+ arg = _MarkupEscapeHelper(arg)
+ return self.__class__(unicode.__mod__(self, arg))
+
+ def __repr__(self):
+ return '%s(%s)' % (
+ self.__class__.__name__,
+ unicode.__repr__(self)
+ )
+
+ def join(self, seq):
+ return self.__class__(unicode.join(self, imap(escape, seq)))
+ join.__doc__ = unicode.join.__doc__
+
+ def split(self, *args, **kwargs):
+ return map(self.__class__, unicode.split(self, *args, **kwargs))
+ split.__doc__ = unicode.split.__doc__
+
+ def rsplit(self, *args, **kwargs):
+ return map(self.__class__, unicode.rsplit(self, *args, **kwargs))
+ rsplit.__doc__ = unicode.rsplit.__doc__
+
+ def splitlines(self, *args, **kwargs):
+ return map(self.__class__, unicode.splitlines(self, *args, **kwargs))
+ splitlines.__doc__ = unicode.splitlines.__doc__
+
+ def unescape(self):
+ r"""Unescape markup again into an unicode string. This also resolves
+ known HTML4 and XHTML entities:
+
+ >>> Markup("Main » <em>About</em>").unescape()
+ u'Main \xbb <em>About</em>'
+ """
+ from jinja2._markupsafe._constants import HTML_ENTITIES
+ def handle_match(m):
+ name = m.group(1)
+ if name in HTML_ENTITIES:
+ return unichr(HTML_ENTITIES[name])
+ try:
+ if name[:2] in ('#x', '#X'):
+ return unichr(int(name[2:], 16))
+ elif name.startswith('#'):
+ return unichr(int(name[1:]))
+ except ValueError:
+ pass
+ return u''
+ return _entity_re.sub(handle_match, unicode(self))
+
+ def striptags(self):
+ r"""Unescape markup into an unicode string and strip all tags. This
+ also resolves known HTML4 and XHTML entities. Whitespace is
+ normalized to one:
+
+ >>> Markup("Main » <em>About</em>").striptags()
+ u'Main \xbb About'
+ """
+ stripped = u' '.join(_striptags_re.sub('', self).split())
+ return Markup(stripped).unescape()
+
+ @classmethod
+ def escape(cls, s):
+ """Escape the string. Works like :func:`escape` with the difference
+ that for subclasses of :class:`Markup` this function would return the
+ correct subclass.
+ """
+ rv = escape(s)
+ if rv.__class__ is not cls:
+ return cls(rv)
+ return rv
+
+ def make_wrapper(name):
+ orig = getattr(unicode, name)
+ def func(self, *args, **kwargs):
+ args = _escape_argspec(list(args), enumerate(args))
+ _escape_argspec(kwargs, kwargs.iteritems())
+ return self.__class__(orig(self, *args, **kwargs))
+ func.__name__ = orig.__name__
+ func.__doc__ = orig.__doc__
+ return func
+
+ for method in '__getitem__', 'capitalize', \
+ 'title', 'lower', 'upper', 'replace', 'ljust', \
+ 'rjust', 'lstrip', 'rstrip', 'center', 'strip', \
+ 'translate', 'expandtabs', 'swapcase', 'zfill':
+ locals()[method] = make_wrapper(method)
+
+ # new in python 2.5
+ if hasattr(unicode, 'partition'):
+ partition = make_wrapper('partition'),
+ rpartition = make_wrapper('rpartition')
+
+ # new in python 2.6
+ if hasattr(unicode, 'format'):
+ format = make_wrapper('format')
+
+ # not in python 3
+ if hasattr(unicode, '__getslice__'):
+ __getslice__ = make_wrapper('__getslice__')
+
+ del method, make_wrapper
+
+
+def _escape_argspec(obj, iterable):
+ """Helper for various string-wrapped functions."""
+ for key, value in iterable:
+ if hasattr(value, '__html__') or isinstance(value, basestring):
+ obj[key] = escape(value)
+ return obj
+
+
+class _MarkupEscapeHelper(object):
+ """Helper for Markup.__mod__"""
+
+ def __init__(self, obj):
+ self.obj = obj
+
+ __getitem__ = lambda s, x: _MarkupEscapeHelper(s.obj[x])
+ __str__ = lambda s: str(escape(s.obj))
+ __unicode__ = lambda s: unicode(escape(s.obj))
+ __repr__ = lambda s: str(escape(repr(s.obj)))
+ __int__ = lambda s: int(s.obj)
+ __float__ = lambda s: float(s.obj)
+
+
+# we have to import it down here as the speedups and native
+# modules imports the markup type which is define above.
+try:
+ from jinja2._markupsafe._speedups import escape, escape_silent, soft_unicode
+except ImportError:
+ from jinja2._markupsafe._native import escape, escape_silent, soft_unicode
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_bundle.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_bundle.py b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_bundle.py
new file mode 100644
index 0000000..e694faf
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_bundle.py
@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2._markupsafe._bundle
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ This script pulls in markupsafe from a source folder and
+ bundles it with Jinja2. It does not pull in the speedups
+ module though.
+
+ :copyright: Copyright 2010 by the Jinja team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+import sys
+import os
+import re
+
+
+def rewrite_imports(lines):
+ for idx, line in enumerate(lines):
+ new_line = re.sub(r'(import|from)\s+markupsafe\b',
+ r'\1 jinja2._markupsafe', line)
+ if new_line != line:
+ lines[idx] = new_line
+
+
+def main():
+ if len(sys.argv) != 2:
+ print 'error: only argument is path to markupsafe'
+ sys.exit(1)
+ basedir = os.path.dirname(__file__)
+ markupdir = sys.argv[1]
+ for filename in os.listdir(markupdir):
+ if filename.endswith('.py'):
+ f = open(os.path.join(markupdir, filename))
+ try:
+ lines = list(f)
+ finally:
+ f.close()
+ rewrite_imports(lines)
+ f = open(os.path.join(basedir, filename), 'w')
+ try:
+ for line in lines:
+ f.write(line)
+ finally:
+ f.close()
+
+
+if __name__ == '__main__':
+ main()
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_constants.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_constants.py b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_constants.py
new file mode 100644
index 0000000..919bf03
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_constants.py
@@ -0,0 +1,267 @@
+# -*- coding: utf-8 -*-
+"""
+ markupsafe._constants
+ ~~~~~~~~~~~~~~~~~~~~~
+
+ Highlevel implementation of the Markup string.
+
+ :copyright: (c) 2010 by Armin Ronacher.
+ :license: BSD, see LICENSE for more details.
+"""
+
+
+HTML_ENTITIES = {
+ 'AElig': 198,
+ 'Aacute': 193,
+ 'Acirc': 194,
+ 'Agrave': 192,
+ 'Alpha': 913,
+ 'Aring': 197,
+ 'Atilde': 195,
+ 'Auml': 196,
+ 'Beta': 914,
+ 'Ccedil': 199,
+ 'Chi': 935,
+ 'Dagger': 8225,
+ 'Delta': 916,
+ 'ETH': 208,
+ 'Eacute': 201,
+ 'Ecirc': 202,
+ 'Egrave': 200,
+ 'Epsilon': 917,
+ 'Eta': 919,
+ 'Euml': 203,
+ 'Gamma': 915,
+ 'Iacute': 205,
+ 'Icirc': 206,
+ 'Igrave': 204,
+ 'Iota': 921,
+ 'Iuml': 207,
+ 'Kappa': 922,
+ 'Lambda': 923,
+ 'Mu': 924,
+ 'Ntilde': 209,
+ 'Nu': 925,
+ 'OElig': 338,
+ 'Oacute': 211,
+ 'Ocirc': 212,
+ 'Ograve': 210,
+ 'Omega': 937,
+ 'Omicron': 927,
+ 'Oslash': 216,
+ 'Otilde': 213,
+ 'Ouml': 214,
+ 'Phi': 934,
+ 'Pi': 928,
+ 'Prime': 8243,
+ 'Psi': 936,
+ 'Rho': 929,
+ 'Scaron': 352,
+ 'Sigma': 931,
+ 'THORN': 222,
+ 'Tau': 932,
+ 'Theta': 920,
+ 'Uacute': 218,
+ 'Ucirc': 219,
+ 'Ugrave': 217,
+ 'Upsilon': 933,
+ 'Uuml': 220,
+ 'Xi': 926,
+ 'Yacute': 221,
+ 'Yuml': 376,
+ 'Zeta': 918,
+ 'aacute': 225,
+ 'acirc': 226,
+ 'acute': 180,
+ 'aelig': 230,
+ 'agrave': 224,
+ 'alefsym': 8501,
+ 'alpha': 945,
+ 'amp': 38,
+ 'and': 8743,
+ 'ang': 8736,
+ 'apos': 39,
+ 'aring': 229,
+ 'asymp': 8776,
+ 'atilde': 227,
+ 'auml': 228,
+ 'bdquo': 8222,
+ 'beta': 946,
+ 'brvbar': 166,
+ 'bull': 8226,
+ 'cap': 8745,
+ 'ccedil': 231,
+ 'cedil': 184,
+ 'cent': 162,
+ 'chi': 967,
+ 'circ': 710,
+ 'clubs': 9827,
+ 'cong': 8773,
+ 'copy': 169,
+ 'crarr': 8629,
+ 'cup': 8746,
+ 'curren': 164,
+ 'dArr': 8659,
+ 'dagger': 8224,
+ 'darr': 8595,
+ 'deg': 176,
+ 'delta': 948,
+ 'diams': 9830,
+ 'divide': 247,
+ 'eacute': 233,
+ 'ecirc': 234,
+ 'egrave': 232,
+ 'empty': 8709,
+ 'emsp': 8195,
+ 'ensp': 8194,
+ 'epsilon': 949,
+ 'equiv': 8801,
+ 'eta': 951,
+ 'eth': 240,
+ 'euml': 235,
+ 'euro': 8364,
+ 'exist': 8707,
+ 'fnof': 402,
+ 'forall': 8704,
+ 'frac12': 189,
+ 'frac14': 188,
+ 'frac34': 190,
+ 'frasl': 8260,
+ 'gamma': 947,
+ 'ge': 8805,
+ 'gt': 62,
+ 'hArr': 8660,
+ 'harr': 8596,
+ 'hearts': 9829,
+ 'hellip': 8230,
+ 'iacute': 237,
+ 'icirc': 238,
+ 'iexcl': 161,
+ 'igrave': 236,
+ 'image': 8465,
+ 'infin': 8734,
+ 'int': 8747,
+ 'iota': 953,
+ 'iquest': 191,
+ 'isin': 8712,
+ 'iuml': 239,
+ 'kappa': 954,
+ 'lArr': 8656,
+ 'lambda': 955,
+ 'lang': 9001,
+ 'laquo': 171,
+ 'larr': 8592,
+ 'lceil': 8968,
+ 'ldquo': 8220,
+ 'le': 8804,
+ 'lfloor': 8970,
+ 'lowast': 8727,
+ 'loz': 9674,
+ 'lrm': 8206,
+ 'lsaquo': 8249,
+ 'lsquo': 8216,
+ 'lt': 60,
+ 'macr': 175,
+ 'mdash': 8212,
+ 'micro': 181,
+ 'middot': 183,
+ 'minus': 8722,
+ 'mu': 956,
+ 'nabla': 8711,
+ 'nbsp': 160,
+ 'ndash': 8211,
+ 'ne': 8800,
+ 'ni': 8715,
+ 'not': 172,
+ 'notin': 8713,
+ 'nsub': 8836,
+ 'ntilde': 241,
+ 'nu': 957,
+ 'oacute': 243,
+ 'ocirc': 244,
+ 'oelig': 339,
+ 'ograve': 242,
+ 'oline': 8254,
+ 'omega': 969,
+ 'omicron': 959,
+ 'oplus': 8853,
+ 'or': 8744,
+ 'ordf': 170,
+ 'ordm': 186,
+ 'oslash': 248,
+ 'otilde': 245,
+ 'otimes': 8855,
+ 'ouml': 246,
+ 'para': 182,
+ 'part': 8706,
+ 'permil': 8240,
+ 'perp': 8869,
+ 'phi': 966,
+ 'pi': 960,
+ 'piv': 982,
+ 'plusmn': 177,
+ 'pound': 163,
+ 'prime': 8242,
+ 'prod': 8719,
+ 'prop': 8733,
+ 'psi': 968,
+ 'quot': 34,
+ 'rArr': 8658,
+ 'radic': 8730,
+ 'rang': 9002,
+ 'raquo': 187,
+ 'rarr': 8594,
+ 'rceil': 8969,
+ 'rdquo': 8221,
+ 'real': 8476,
+ 'reg': 174,
+ 'rfloor': 8971,
+ 'rho': 961,
+ 'rlm': 8207,
+ 'rsaquo': 8250,
+ 'rsquo': 8217,
+ 'sbquo': 8218,
+ 'scaron': 353,
+ 'sdot': 8901,
+ 'sect': 167,
+ 'shy': 173,
+ 'sigma': 963,
+ 'sigmaf': 962,
+ 'sim': 8764,
+ 'spades': 9824,
+ 'sub': 8834,
+ 'sube': 8838,
+ 'sum': 8721,
+ 'sup': 8835,
+ 'sup1': 185,
+ 'sup2': 178,
+ 'sup3': 179,
+ 'supe': 8839,
+ 'szlig': 223,
+ 'tau': 964,
+ 'there4': 8756,
+ 'theta': 952,
+ 'thetasym': 977,
+ 'thinsp': 8201,
+ 'thorn': 254,
+ 'tilde': 732,
+ 'times': 215,
+ 'trade': 8482,
+ 'uArr': 8657,
+ 'uacute': 250,
+ 'uarr': 8593,
+ 'ucirc': 251,
+ 'ugrave': 249,
+ 'uml': 168,
+ 'upsih': 978,
+ 'upsilon': 965,
+ 'uuml': 252,
+ 'weierp': 8472,
+ 'xi': 958,
+ 'yacute': 253,
+ 'yen': 165,
+ 'yuml': 255,
+ 'zeta': 950,
+ 'zwj': 8205,
+ 'zwnj': 8204
+}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_native.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_native.py b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_native.py
new file mode 100644
index 0000000..7b95828
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/_native.py
@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+"""
+ markupsafe._native
+ ~~~~~~~~~~~~~~~~~~
+
+ Native Python implementation the C module is not compiled.
+
+ :copyright: (c) 2010 by Armin Ronacher.
+ :license: BSD, see LICENSE for more details.
+"""
+from jinja2._markupsafe import Markup
+
+
+def escape(s):
+ """Convert the characters &, <, >, ' and " in string s to HTML-safe
+ sequences. Use this if you need to display text that might contain
+ such characters in HTML. Marks return value as markup string.
+ """
+ if hasattr(s, '__html__'):
+ return s.__html__()
+ return Markup(unicode(s)
+ .replace('&', '&')
+ .replace('>', '>')
+ .replace('<', '<')
+ .replace("'", ''')
+ .replace('"', '"')
+ )
+
+
+def escape_silent(s):
+ """Like :func:`escape` but converts `None` into an empty
+ markup string.
+ """
+ if s is None:
+ return Markup()
+ return escape(s)
+
+
+def soft_unicode(s):
+ """Make a string unicode if it isn't already. That way a markup
+ string is not converted back to unicode.
+ """
+ if not isinstance(s, unicode):
+ s = unicode(s)
+ return s
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/tests.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/tests.py b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/tests.py
new file mode 100644
index 0000000..c1ce394
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/_markupsafe/tests.py
@@ -0,0 +1,80 @@
+import gc
+import unittest
+from jinja2._markupsafe import Markup, escape, escape_silent
+
+
+class MarkupTestCase(unittest.TestCase):
+
+ def test_markup_operations(self):
+ # adding two strings should escape the unsafe one
+ unsafe = '<script type="application/x-some-script">alert("foo");</script>'
+ safe = Markup('<em>username</em>')
+ assert unsafe + safe == unicode(escape(unsafe)) + unicode(safe)
+
+ # string interpolations are safe to use too
+ assert Markup('<em>%s</em>') % '<bad user>' == \
+ '<em><bad user></em>'
+ assert Markup('<em>%(username)s</em>') % {
+ 'username': '<bad user>'
+ } == '<em><bad user></em>'
+
+ # an escaped object is markup too
+ assert type(Markup('foo') + 'bar') is Markup
+
+ # and it implements __html__ by returning itself
+ x = Markup("foo")
+ assert x.__html__() is x
+
+ # it also knows how to treat __html__ objects
+ class Foo(object):
+ def __html__(self):
+ return '<em>awesome</em>'
+ def __unicode__(self):
+ return 'awesome'
+ assert Markup(Foo()) == '<em>awesome</em>'
+ assert Markup('<strong>%s</strong>') % Foo() == \
+ '<strong><em>awesome</em></strong>'
+
+ # escaping and unescaping
+ assert escape('"<>&\'') == '"<>&''
+ assert Markup("<em>Foo & Bar</em>").striptags() == "Foo & Bar"
+ assert Markup("<test>").unescape() == "<test>"
+
+ def test_all_set(self):
+ import jinja2._markupsafe as markup
+ for item in markup.__all__:
+ getattr(markup, item)
+
+ def test_escape_silent(self):
+ assert escape_silent(None) == Markup()
+ assert escape(None) == Markup(None)
+ assert escape_silent('<foo>') == Markup(u'<foo>')
+
+
+class MarkupLeakTestCase(unittest.TestCase):
+
+ def test_markup_leaks(self):
+ counts = set()
+ for count in xrange(20):
+ for item in xrange(1000):
+ escape("foo")
+ escape("<foo>")
+ escape(u"foo")
+ escape(u"<foo>")
+ counts.add(len(gc.get_objects()))
+ assert len(counts) == 1, 'ouch, c extension seems to leak objects'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(MarkupTestCase))
+
+ # this test only tests the c extension
+ if not hasattr(escape, 'func_code'):
+ suite.addTest(unittest.makeSuite(MarkupLeakTestCase))
+
+ return suite
+
+
+if __name__ == '__main__':
+ unittest.main(defaultTest='suite')
[06/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/bccache.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/bccache.py b/ambari-common/src/main/python/jinja2/jinja2/bccache.py
new file mode 100644
index 0000000..1e2236c
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/bccache.py
@@ -0,0 +1,280 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.bccache
+ ~~~~~~~~~~~~~~
+
+ This module implements the bytecode cache system Jinja is optionally
+ using. This is useful if you have very complex template situations and
+ the compiliation of all those templates slow down your application too
+ much.
+
+ Situations where this is useful are often forking web applications that
+ are initialized on the first request.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+from os import path, listdir
+import marshal
+import tempfile
+import cPickle as pickle
+import fnmatch
+from cStringIO import StringIO
+try:
+ from hashlib import sha1
+except ImportError:
+ from sha import new as sha1
+from jinja2.utils import open_if_exists
+
+
+bc_version = 1
+bc_magic = 'j2'.encode('ascii') + pickle.dumps(bc_version, 2)
+
+
+class Bucket(object):
+ """Buckets are used to store the bytecode for one template. It's created
+ and initialized by the bytecode cache and passed to the loading functions.
+
+ The buckets get an internal checksum from the cache assigned and use this
+ to automatically reject outdated cache material. Individual bytecode
+ cache subclasses don't have to care about cache invalidation.
+ """
+
+ def __init__(self, environment, key, checksum):
+ self.environment = environment
+ self.key = key
+ self.checksum = checksum
+ self.reset()
+
+ def reset(self):
+ """Resets the bucket (unloads the bytecode)."""
+ self.code = None
+
+ def load_bytecode(self, f):
+ """Loads bytecode from a file or file like object."""
+ # make sure the magic header is correct
+ magic = f.read(len(bc_magic))
+ if magic != bc_magic:
+ self.reset()
+ return
+ # the source code of the file changed, we need to reload
+ checksum = pickle.load(f)
+ if self.checksum != checksum:
+ self.reset()
+ return
+ # now load the code. Because marshal is not able to load
+ # from arbitrary streams we have to work around that
+ if isinstance(f, file):
+ self.code = marshal.load(f)
+ else:
+ self.code = marshal.loads(f.read())
+
+ def write_bytecode(self, f):
+ """Dump the bytecode into the file or file like object passed."""
+ if self.code is None:
+ raise TypeError('can\'t write empty bucket')
+ f.write(bc_magic)
+ pickle.dump(self.checksum, f, 2)
+ if isinstance(f, file):
+ marshal.dump(self.code, f)
+ else:
+ f.write(marshal.dumps(self.code))
+
+ def bytecode_from_string(self, string):
+ """Load bytecode from a string."""
+ self.load_bytecode(StringIO(string))
+
+ def bytecode_to_string(self):
+ """Return the bytecode as string."""
+ out = StringIO()
+ self.write_bytecode(out)
+ return out.getvalue()
+
+
+class BytecodeCache(object):
+ """To implement your own bytecode cache you have to subclass this class
+ and override :meth:`load_bytecode` and :meth:`dump_bytecode`. Both of
+ these methods are passed a :class:`~jinja2.bccache.Bucket`.
+
+ A very basic bytecode cache that saves the bytecode on the file system::
+
+ from os import path
+
+ class MyCache(BytecodeCache):
+
+ def __init__(self, directory):
+ self.directory = directory
+
+ def load_bytecode(self, bucket):
+ filename = path.join(self.directory, bucket.key)
+ if path.exists(filename):
+ with open(filename, 'rb') as f:
+ bucket.load_bytecode(f)
+
+ def dump_bytecode(self, bucket):
+ filename = path.join(self.directory, bucket.key)
+ with open(filename, 'wb') as f:
+ bucket.write_bytecode(f)
+
+ A more advanced version of a filesystem based bytecode cache is part of
+ Jinja2.
+ """
+
+ def load_bytecode(self, bucket):
+ """Subclasses have to override this method to load bytecode into a
+ bucket. If they are not able to find code in the cache for the
+ bucket, it must not do anything.
+ """
+ raise NotImplementedError()
+
+ def dump_bytecode(self, bucket):
+ """Subclasses have to override this method to write the bytecode
+ from a bucket back to the cache. If it unable to do so it must not
+ fail silently but raise an exception.
+ """
+ raise NotImplementedError()
+
+ def clear(self):
+ """Clears the cache. This method is not used by Jinja2 but should be
+ implemented to allow applications to clear the bytecode cache used
+ by a particular environment.
+ """
+
+ def get_cache_key(self, name, filename=None):
+ """Returns the unique hash key for this template name."""
+ hash = sha1(name.encode('utf-8'))
+ if filename is not None:
+ if isinstance(filename, unicode):
+ filename = filename.encode('utf-8')
+ hash.update('|' + filename)
+ return hash.hexdigest()
+
+ def get_source_checksum(self, source):
+ """Returns a checksum for the source."""
+ return sha1(source.encode('utf-8')).hexdigest()
+
+ def get_bucket(self, environment, name, filename, source):
+ """Return a cache bucket for the given template. All arguments are
+ mandatory but filename may be `None`.
+ """
+ key = self.get_cache_key(name, filename)
+ checksum = self.get_source_checksum(source)
+ bucket = Bucket(environment, key, checksum)
+ self.load_bytecode(bucket)
+ return bucket
+
+ def set_bucket(self, bucket):
+ """Put the bucket into the cache."""
+ self.dump_bytecode(bucket)
+
+
+class FileSystemBytecodeCache(BytecodeCache):
+ """A bytecode cache that stores bytecode on the filesystem. It accepts
+ two arguments: The directory where the cache items are stored and a
+ pattern string that is used to build the filename.
+
+ If no directory is specified the system temporary items folder is used.
+
+ The pattern can be used to have multiple separate caches operate on the
+ same directory. The default pattern is ``'__jinja2_%s.cache'``. ``%s``
+ is replaced with the cache key.
+
+ >>> bcc = FileSystemBytecodeCache('/tmp/jinja_cache', '%s.cache')
+
+ This bytecode cache supports clearing of the cache using the clear method.
+ """
+
+ def __init__(self, directory=None, pattern='__jinja2_%s.cache'):
+ if directory is None:
+ directory = tempfile.gettempdir()
+ self.directory = directory
+ self.pattern = pattern
+
+ def _get_cache_filename(self, bucket):
+ return path.join(self.directory, self.pattern % bucket.key)
+
+ def load_bytecode(self, bucket):
+ f = open_if_exists(self._get_cache_filename(bucket), 'rb')
+ if f is not None:
+ try:
+ bucket.load_bytecode(f)
+ finally:
+ f.close()
+
+ def dump_bytecode(self, bucket):
+ f = open(self._get_cache_filename(bucket), 'wb')
+ try:
+ bucket.write_bytecode(f)
+ finally:
+ f.close()
+
+ def clear(self):
+ # imported lazily here because google app-engine doesn't support
+ # write access on the file system and the function does not exist
+ # normally.
+ from os import remove
+ files = fnmatch.filter(listdir(self.directory), self.pattern % '*')
+ for filename in files:
+ try:
+ remove(path.join(self.directory, filename))
+ except OSError:
+ pass
+
+
+class MemcachedBytecodeCache(BytecodeCache):
+ """This class implements a bytecode cache that uses a memcache cache for
+ storing the information. It does not enforce a specific memcache library
+ (tummy's memcache or cmemcache) but will accept any class that provides
+ the minimal interface required.
+
+ Libraries compatible with this class:
+
+ - `werkzeug <http://werkzeug.pocoo.org/>`_.contrib.cache
+ - `python-memcached <http://www.tummy.com/Community/software/python-memcached/>`_
+ - `cmemcache <http://gijsbert.org/cmemcache/>`_
+
+ (Unfortunately the django cache interface is not compatible because it
+ does not support storing binary data, only unicode. You can however pass
+ the underlying cache client to the bytecode cache which is available
+ as `django.core.cache.cache._client`.)
+
+ The minimal interface for the client passed to the constructor is this:
+
+ .. class:: MinimalClientInterface
+
+ .. method:: set(key, value[, timeout])
+
+ Stores the bytecode in the cache. `value` is a string and
+ `timeout` the timeout of the key. If timeout is not provided
+ a default timeout or no timeout should be assumed, if it's
+ provided it's an integer with the number of seconds the cache
+ item should exist.
+
+ .. method:: get(key)
+
+ Returns the value for the cache key. If the item does not
+ exist in the cache the return value must be `None`.
+
+ The other arguments to the constructor are the prefix for all keys that
+ is added before the actual cache key and the timeout for the bytecode in
+ the cache system. We recommend a high (or no) timeout.
+
+ This bytecode cache does not support clearing of used items in the cache.
+ The clear method is a no-operation function.
+ """
+
+ def __init__(self, client, prefix='jinja2/bytecode/', timeout=None):
+ self.client = client
+ self.prefix = prefix
+ self.timeout = timeout
+
+ def load_bytecode(self, bucket):
+ code = self.client.get(self.prefix + bucket.key)
+ if code is not None:
+ bucket.bytecode_from_string(code)
+
+ def dump_bytecode(self, bucket):
+ args = (self.prefix + bucket.key, bucket.bytecode_to_string())
+ if self.timeout is not None:
+ args += (self.timeout,)
+ self.client.set(*args)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/compiler.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/compiler.py b/ambari-common/src/main/python/jinja2/jinja2/compiler.py
new file mode 100644
index 0000000..5764159
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/compiler.py
@@ -0,0 +1,1640 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.compiler
+ ~~~~~~~~~~~~~~~
+
+ Compiles nodes into python code.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+from cStringIO import StringIO
+from itertools import chain
+from copy import deepcopy
+from jinja2 import nodes
+from jinja2.nodes import EvalContext
+from jinja2.visitor import NodeVisitor, NodeTransformer
+from jinja2.exceptions import TemplateAssertionError
+from jinja2.utils import Markup, concat, escape, is_python_keyword, next
+
+
+operators = {
+ 'eq': '==',
+ 'ne': '!=',
+ 'gt': '>',
+ 'gteq': '>=',
+ 'lt': '<',
+ 'lteq': '<=',
+ 'in': 'in',
+ 'notin': 'not in'
+}
+
+try:
+ exec '(0 if 0 else 0)'
+except SyntaxError:
+ have_condexpr = False
+else:
+ have_condexpr = True
+
+
+# what method to iterate over items do we want to use for dict iteration
+# in generated code? on 2.x let's go with iteritems, on 3.x with items
+if hasattr(dict, 'iteritems'):
+ dict_item_iter = 'iteritems'
+else:
+ dict_item_iter = 'items'
+
+
+# does if 0: dummy(x) get us x into the scope?
+def unoptimize_before_dead_code():
+ x = 42
+ def f():
+ if 0: dummy(x)
+ return f
+unoptimize_before_dead_code = bool(unoptimize_before_dead_code().func_closure)
+
+
+def generate(node, environment, name, filename, stream=None,
+ defer_init=False):
+ """Generate the python source for a node tree."""
+ if not isinstance(node, nodes.Template):
+ raise TypeError('Can\'t compile non template nodes')
+ generator = CodeGenerator(environment, name, filename, stream, defer_init)
+ generator.visit(node)
+ if stream is None:
+ return generator.stream.getvalue()
+
+
+def has_safe_repr(value):
+ """Does the node have a safe representation?"""
+ if value is None or value is NotImplemented or value is Ellipsis:
+ return True
+ if isinstance(value, (bool, int, long, float, complex, basestring,
+ xrange, Markup)):
+ return True
+ if isinstance(value, (tuple, list, set, frozenset)):
+ for item in value:
+ if not has_safe_repr(item):
+ return False
+ return True
+ elif isinstance(value, dict):
+ for key, value in value.iteritems():
+ if not has_safe_repr(key):
+ return False
+ if not has_safe_repr(value):
+ return False
+ return True
+ return False
+
+
+def find_undeclared(nodes, names):
+ """Check if the names passed are accessed undeclared. The return value
+ is a set of all the undeclared names from the sequence of names found.
+ """
+ visitor = UndeclaredNameVisitor(names)
+ try:
+ for node in nodes:
+ visitor.visit(node)
+ except VisitorExit:
+ pass
+ return visitor.undeclared
+
+
+class Identifiers(object):
+ """Tracks the status of identifiers in frames."""
+
+ def __init__(self):
+ # variables that are known to be declared (probably from outer
+ # frames or because they are special for the frame)
+ self.declared = set()
+
+ # undeclared variables from outer scopes
+ self.outer_undeclared = set()
+
+ # names that are accessed without being explicitly declared by
+ # this one or any of the outer scopes. Names can appear both in
+ # declared and undeclared.
+ self.undeclared = set()
+
+ # names that are declared locally
+ self.declared_locally = set()
+
+ # names that are declared by parameters
+ self.declared_parameter = set()
+
+ def add_special(self, name):
+ """Register a special name like `loop`."""
+ self.undeclared.discard(name)
+ self.declared.add(name)
+
+ def is_declared(self, name, local_only=False):
+ """Check if a name is declared in this or an outer scope."""
+ if name in self.declared_locally or name in self.declared_parameter:
+ return True
+ if local_only:
+ return False
+ return name in self.declared
+
+ def copy(self):
+ return deepcopy(self)
+
+
+class Frame(object):
+ """Holds compile time information for us."""
+
+ def __init__(self, eval_ctx, parent=None):
+ self.eval_ctx = eval_ctx
+ self.identifiers = Identifiers()
+
+ # a toplevel frame is the root + soft frames such as if conditions.
+ self.toplevel = False
+
+ # the root frame is basically just the outermost frame, so no if
+ # conditions. This information is used to optimize inheritance
+ # situations.
+ self.rootlevel = False
+
+ # in some dynamic inheritance situations the compiler needs to add
+ # write tests around output statements.
+ self.require_output_check = parent and parent.require_output_check
+
+ # inside some tags we are using a buffer rather than yield statements.
+ # this for example affects {% filter %} or {% macro %}. If a frame
+ # is buffered this variable points to the name of the list used as
+ # buffer.
+ self.buffer = None
+
+ # the name of the block we're in, otherwise None.
+ self.block = parent and parent.block or None
+
+ # a set of actually assigned names
+ self.assigned_names = set()
+
+ # the parent of this frame
+ self.parent = parent
+
+ if parent is not None:
+ self.identifiers.declared.update(
+ parent.identifiers.declared |
+ parent.identifiers.declared_parameter |
+ parent.assigned_names
+ )
+ self.identifiers.outer_undeclared.update(
+ parent.identifiers.undeclared -
+ self.identifiers.declared
+ )
+ self.buffer = parent.buffer
+
+ def copy(self):
+ """Create a copy of the current one."""
+ rv = object.__new__(self.__class__)
+ rv.__dict__.update(self.__dict__)
+ rv.identifiers = object.__new__(self.identifiers.__class__)
+ rv.identifiers.__dict__.update(self.identifiers.__dict__)
+ return rv
+
+ def inspect(self, nodes, hard_scope=False):
+ """Walk the node and check for identifiers. If the scope is hard (eg:
+ enforce on a python level) overrides from outer scopes are tracked
+ differently.
+ """
+ visitor = FrameIdentifierVisitor(self.identifiers, hard_scope)
+ for node in nodes:
+ visitor.visit(node)
+
+ def find_shadowed(self, extra=()):
+ """Find all the shadowed names. extra is an iterable of variables
+ that may be defined with `add_special` which may occour scoped.
+ """
+ i = self.identifiers
+ return (i.declared | i.outer_undeclared) & \
+ (i.declared_locally | i.declared_parameter) | \
+ set(x for x in extra if i.is_declared(x))
+
+ def inner(self):
+ """Return an inner frame."""
+ return Frame(self.eval_ctx, self)
+
+ def soft(self):
+ """Return a soft frame. A soft frame may not be modified as
+ standalone thing as it shares the resources with the frame it
+ was created of, but it's not a rootlevel frame any longer.
+ """
+ rv = self.copy()
+ rv.rootlevel = False
+ return rv
+
+ __copy__ = copy
+
+
+class VisitorExit(RuntimeError):
+ """Exception used by the `UndeclaredNameVisitor` to signal a stop."""
+
+
+class DependencyFinderVisitor(NodeVisitor):
+ """A visitor that collects filter and test calls."""
+
+ def __init__(self):
+ self.filters = set()
+ self.tests = set()
+
+ def visit_Filter(self, node):
+ self.generic_visit(node)
+ self.filters.add(node.name)
+
+ def visit_Test(self, node):
+ self.generic_visit(node)
+ self.tests.add(node.name)
+
+ def visit_Block(self, node):
+ """Stop visiting at blocks."""
+
+
+class UndeclaredNameVisitor(NodeVisitor):
+ """A visitor that checks if a name is accessed without being
+ declared. This is different from the frame visitor as it will
+ not stop at closure frames.
+ """
+
+ def __init__(self, names):
+ self.names = set(names)
+ self.undeclared = set()
+
+ def visit_Name(self, node):
+ if node.ctx == 'load' and node.name in self.names:
+ self.undeclared.add(node.name)
+ if self.undeclared == self.names:
+ raise VisitorExit()
+ else:
+ self.names.discard(node.name)
+
+ def visit_Block(self, node):
+ """Stop visiting a blocks."""
+
+
+class FrameIdentifierVisitor(NodeVisitor):
+ """A visitor for `Frame.inspect`."""
+
+ def __init__(self, identifiers, hard_scope):
+ self.identifiers = identifiers
+ self.hard_scope = hard_scope
+
+ def visit_Name(self, node):
+ """All assignments to names go through this function."""
+ if node.ctx == 'store':
+ self.identifiers.declared_locally.add(node.name)
+ elif node.ctx == 'param':
+ self.identifiers.declared_parameter.add(node.name)
+ elif node.ctx == 'load' and not \
+ self.identifiers.is_declared(node.name, self.hard_scope):
+ self.identifiers.undeclared.add(node.name)
+
+ def visit_If(self, node):
+ self.visit(node.test)
+ real_identifiers = self.identifiers
+
+ old_names = real_identifiers.declared_locally | \
+ real_identifiers.declared_parameter
+
+ def inner_visit(nodes):
+ if not nodes:
+ return set()
+ self.identifiers = real_identifiers.copy()
+ for subnode in nodes:
+ self.visit(subnode)
+ rv = self.identifiers.declared_locally - old_names
+ # we have to remember the undeclared variables of this branch
+ # because we will have to pull them.
+ real_identifiers.undeclared.update(self.identifiers.undeclared)
+ self.identifiers = real_identifiers
+ return rv
+
+ body = inner_visit(node.body)
+ else_ = inner_visit(node.else_ or ())
+
+ # the differences between the two branches are also pulled as
+ # undeclared variables
+ real_identifiers.undeclared.update(body.symmetric_difference(else_) -
+ real_identifiers.declared)
+
+ # remember those that are declared.
+ real_identifiers.declared_locally.update(body | else_)
+
+ def visit_Macro(self, node):
+ self.identifiers.declared_locally.add(node.name)
+
+ def visit_Import(self, node):
+ self.generic_visit(node)
+ self.identifiers.declared_locally.add(node.target)
+
+ def visit_FromImport(self, node):
+ self.generic_visit(node)
+ for name in node.names:
+ if isinstance(name, tuple):
+ self.identifiers.declared_locally.add(name[1])
+ else:
+ self.identifiers.declared_locally.add(name)
+
+ def visit_Assign(self, node):
+ """Visit assignments in the correct order."""
+ self.visit(node.node)
+ self.visit(node.target)
+
+ def visit_For(self, node):
+ """Visiting stops at for blocks. However the block sequence
+ is visited as part of the outer scope.
+ """
+ self.visit(node.iter)
+
+ def visit_CallBlock(self, node):
+ self.visit(node.call)
+
+ def visit_FilterBlock(self, node):
+ self.visit(node.filter)
+
+ def visit_Scope(self, node):
+ """Stop visiting at scopes."""
+
+ def visit_Block(self, node):
+ """Stop visiting at blocks."""
+
+
+class CompilerExit(Exception):
+ """Raised if the compiler encountered a situation where it just
+ doesn't make sense to further process the code. Any block that
+ raises such an exception is not further processed.
+ """
+
+
+class CodeGenerator(NodeVisitor):
+
+ def __init__(self, environment, name, filename, stream=None,
+ defer_init=False):
+ if stream is None:
+ stream = StringIO()
+ self.environment = environment
+ self.name = name
+ self.filename = filename
+ self.stream = stream
+ self.created_block_context = False
+ self.defer_init = defer_init
+
+ # aliases for imports
+ self.import_aliases = {}
+
+ # a registry for all blocks. Because blocks are moved out
+ # into the global python scope they are registered here
+ self.blocks = {}
+
+ # the number of extends statements so far
+ self.extends_so_far = 0
+
+ # some templates have a rootlevel extends. In this case we
+ # can safely assume that we're a child template and do some
+ # more optimizations.
+ self.has_known_extends = False
+
+ # the current line number
+ self.code_lineno = 1
+
+ # registry of all filters and tests (global, not block local)
+ self.tests = {}
+ self.filters = {}
+
+ # the debug information
+ self.debug_info = []
+ self._write_debug_info = None
+
+ # the number of new lines before the next write()
+ self._new_lines = 0
+
+ # the line number of the last written statement
+ self._last_line = 0
+
+ # true if nothing was written so far.
+ self._first_write = True
+
+ # used by the `temporary_identifier` method to get new
+ # unique, temporary identifier
+ self._last_identifier = 0
+
+ # the current indentation
+ self._indentation = 0
+
+ # -- Various compilation helpers
+
+ def fail(self, msg, lineno):
+ """Fail with a :exc:`TemplateAssertionError`."""
+ raise TemplateAssertionError(msg, lineno, self.name, self.filename)
+
+ def temporary_identifier(self):
+ """Get a new unique identifier."""
+ self._last_identifier += 1
+ return 't_%d' % self._last_identifier
+
+ def buffer(self, frame):
+ """Enable buffering for the frame from that point onwards."""
+ frame.buffer = self.temporary_identifier()
+ self.writeline('%s = []' % frame.buffer)
+
+ def return_buffer_contents(self, frame):
+ """Return the buffer contents of the frame."""
+ if frame.eval_ctx.volatile:
+ self.writeline('if context.eval_ctx.autoescape:')
+ self.indent()
+ self.writeline('return Markup(concat(%s))' % frame.buffer)
+ self.outdent()
+ self.writeline('else:')
+ self.indent()
+ self.writeline('return concat(%s)' % frame.buffer)
+ self.outdent()
+ elif frame.eval_ctx.autoescape:
+ self.writeline('return Markup(concat(%s))' % frame.buffer)
+ else:
+ self.writeline('return concat(%s)' % frame.buffer)
+
+ def indent(self):
+ """Indent by one."""
+ self._indentation += 1
+
+ def outdent(self, step=1):
+ """Outdent by step."""
+ self._indentation -= step
+
+ def start_write(self, frame, node=None):
+ """Yield or write into the frame buffer."""
+ if frame.buffer is None:
+ self.writeline('yield ', node)
+ else:
+ self.writeline('%s.append(' % frame.buffer, node)
+
+ def end_write(self, frame):
+ """End the writing process started by `start_write`."""
+ if frame.buffer is not None:
+ self.write(')')
+
+ def simple_write(self, s, frame, node=None):
+ """Simple shortcut for start_write + write + end_write."""
+ self.start_write(frame, node)
+ self.write(s)
+ self.end_write(frame)
+
+ def blockvisit(self, nodes, frame):
+ """Visit a list of nodes as block in a frame. If the current frame
+ is no buffer a dummy ``if 0: yield None`` is written automatically
+ unless the force_generator parameter is set to False.
+ """
+ if frame.buffer is None:
+ self.writeline('if 0: yield None')
+ else:
+ self.writeline('pass')
+ try:
+ for node in nodes:
+ self.visit(node, frame)
+ except CompilerExit:
+ pass
+
+ def write(self, x):
+ """Write a string into the output stream."""
+ if self._new_lines:
+ if not self._first_write:
+ self.stream.write('\n' * self._new_lines)
+ self.code_lineno += self._new_lines
+ if self._write_debug_info is not None:
+ self.debug_info.append((self._write_debug_info,
+ self.code_lineno))
+ self._write_debug_info = None
+ self._first_write = False
+ self.stream.write(' ' * self._indentation)
+ self._new_lines = 0
+ self.stream.write(x)
+
+ def writeline(self, x, node=None, extra=0):
+ """Combination of newline and write."""
+ self.newline(node, extra)
+ self.write(x)
+
+ def newline(self, node=None, extra=0):
+ """Add one or more newlines before the next write."""
+ self._new_lines = max(self._new_lines, 1 + extra)
+ if node is not None and node.lineno != self._last_line:
+ self._write_debug_info = node.lineno
+ self._last_line = node.lineno
+
+ def signature(self, node, frame, extra_kwargs=None):
+ """Writes a function call to the stream for the current node.
+ A leading comma is added automatically. The extra keyword
+ arguments may not include python keywords otherwise a syntax
+ error could occour. The extra keyword arguments should be given
+ as python dict.
+ """
+ # if any of the given keyword arguments is a python keyword
+ # we have to make sure that no invalid call is created.
+ kwarg_workaround = False
+ for kwarg in chain((x.key for x in node.kwargs), extra_kwargs or ()):
+ if is_python_keyword(kwarg):
+ kwarg_workaround = True
+ break
+
+ for arg in node.args:
+ self.write(', ')
+ self.visit(arg, frame)
+
+ if not kwarg_workaround:
+ for kwarg in node.kwargs:
+ self.write(', ')
+ self.visit(kwarg, frame)
+ if extra_kwargs is not None:
+ for key, value in extra_kwargs.iteritems():
+ self.write(', %s=%s' % (key, value))
+ if node.dyn_args:
+ self.write(', *')
+ self.visit(node.dyn_args, frame)
+
+ if kwarg_workaround:
+ if node.dyn_kwargs is not None:
+ self.write(', **dict({')
+ else:
+ self.write(', **{')
+ for kwarg in node.kwargs:
+ self.write('%r: ' % kwarg.key)
+ self.visit(kwarg.value, frame)
+ self.write(', ')
+ if extra_kwargs is not None:
+ for key, value in extra_kwargs.iteritems():
+ self.write('%r: %s, ' % (key, value))
+ if node.dyn_kwargs is not None:
+ self.write('}, **')
+ self.visit(node.dyn_kwargs, frame)
+ self.write(')')
+ else:
+ self.write('}')
+
+ elif node.dyn_kwargs is not None:
+ self.write(', **')
+ self.visit(node.dyn_kwargs, frame)
+
+ def pull_locals(self, frame):
+ """Pull all the references identifiers into the local scope."""
+ for name in frame.identifiers.undeclared:
+ self.writeline('l_%s = context.resolve(%r)' % (name, name))
+
+ def pull_dependencies(self, nodes):
+ """Pull all the dependencies."""
+ visitor = DependencyFinderVisitor()
+ for node in nodes:
+ visitor.visit(node)
+ for dependency in 'filters', 'tests':
+ mapping = getattr(self, dependency)
+ for name in getattr(visitor, dependency):
+ if name not in mapping:
+ mapping[name] = self.temporary_identifier()
+ self.writeline('%s = environment.%s[%r]' %
+ (mapping[name], dependency, name))
+
+ def unoptimize_scope(self, frame):
+ """Disable Python optimizations for the frame."""
+ # XXX: this is not that nice but it has no real overhead. It
+ # mainly works because python finds the locals before dead code
+ # is removed. If that breaks we have to add a dummy function
+ # that just accepts the arguments and does nothing.
+ if frame.identifiers.declared:
+ self.writeline('%sdummy(%s)' % (
+ unoptimize_before_dead_code and 'if 0: ' or '',
+ ', '.join('l_' + name for name in frame.identifiers.declared)
+ ))
+
+ def push_scope(self, frame, extra_vars=()):
+ """This function returns all the shadowed variables in a dict
+ in the form name: alias and will write the required assignments
+ into the current scope. No indentation takes place.
+
+ This also predefines locally declared variables from the loop
+ body because under some circumstances it may be the case that
+
+ `extra_vars` is passed to `Frame.find_shadowed`.
+ """
+ aliases = {}
+ for name in frame.find_shadowed(extra_vars):
+ aliases[name] = ident = self.temporary_identifier()
+ self.writeline('%s = l_%s' % (ident, name))
+ to_declare = set()
+ for name in frame.identifiers.declared_locally:
+ if name not in aliases:
+ to_declare.add('l_' + name)
+ if to_declare:
+ self.writeline(' = '.join(to_declare) + ' = missing')
+ return aliases
+
+ def pop_scope(self, aliases, frame):
+ """Restore all aliases and delete unused variables."""
+ for name, alias in aliases.iteritems():
+ self.writeline('l_%s = %s' % (name, alias))
+ to_delete = set()
+ for name in frame.identifiers.declared_locally:
+ if name not in aliases:
+ to_delete.add('l_' + name)
+ if to_delete:
+ # we cannot use the del statement here because enclosed
+ # scopes can trigger a SyntaxError:
+ # a = 42; b = lambda: a; del a
+ self.writeline(' = '.join(to_delete) + ' = missing')
+
+ def function_scoping(self, node, frame, children=None,
+ find_special=True):
+ """In Jinja a few statements require the help of anonymous
+ functions. Those are currently macros and call blocks and in
+ the future also recursive loops. As there is currently
+ technical limitation that doesn't allow reading and writing a
+ variable in a scope where the initial value is coming from an
+ outer scope, this function tries to fall back with a common
+ error message. Additionally the frame passed is modified so
+ that the argumetns are collected and callers are looked up.
+
+ This will return the modified frame.
+ """
+ # we have to iterate twice over it, make sure that works
+ if children is None:
+ children = node.iter_child_nodes()
+ children = list(children)
+ func_frame = frame.inner()
+ func_frame.inspect(children, hard_scope=True)
+
+ # variables that are undeclared (accessed before declaration) and
+ # declared locally *and* part of an outside scope raise a template
+ # assertion error. Reason: we can't generate reasonable code from
+ # it without aliasing all the variables.
+ # this could be fixed in Python 3 where we have the nonlocal
+ # keyword or if we switch to bytecode generation
+ overriden_closure_vars = (
+ func_frame.identifiers.undeclared &
+ func_frame.identifiers.declared &
+ (func_frame.identifiers.declared_locally |
+ func_frame.identifiers.declared_parameter)
+ )
+ if overriden_closure_vars:
+ self.fail('It\'s not possible to set and access variables '
+ 'derived from an outer scope! (affects: %s)' %
+ ', '.join(sorted(overriden_closure_vars)), node.lineno)
+
+ # remove variables from a closure from the frame's undeclared
+ # identifiers.
+ func_frame.identifiers.undeclared -= (
+ func_frame.identifiers.undeclared &
+ func_frame.identifiers.declared
+ )
+
+ # no special variables for this scope, abort early
+ if not find_special:
+ return func_frame
+
+ func_frame.accesses_kwargs = False
+ func_frame.accesses_varargs = False
+ func_frame.accesses_caller = False
+ func_frame.arguments = args = ['l_' + x.name for x in node.args]
+
+ undeclared = find_undeclared(children, ('caller', 'kwargs', 'varargs'))
+
+ if 'caller' in undeclared:
+ func_frame.accesses_caller = True
+ func_frame.identifiers.add_special('caller')
+ args.append('l_caller')
+ if 'kwargs' in undeclared:
+ func_frame.accesses_kwargs = True
+ func_frame.identifiers.add_special('kwargs')
+ args.append('l_kwargs')
+ if 'varargs' in undeclared:
+ func_frame.accesses_varargs = True
+ func_frame.identifiers.add_special('varargs')
+ args.append('l_varargs')
+ return func_frame
+
+ def macro_body(self, node, frame, children=None):
+ """Dump the function def of a macro or call block."""
+ frame = self.function_scoping(node, frame, children)
+ # macros are delayed, they never require output checks
+ frame.require_output_check = False
+ args = frame.arguments
+ # XXX: this is an ugly fix for the loop nesting bug
+ # (tests.test_old_bugs.test_loop_call_bug). This works around
+ # a identifier nesting problem we have in general. It's just more
+ # likely to happen in loops which is why we work around it. The
+ # real solution would be "nonlocal" all the identifiers that are
+ # leaking into a new python frame and might be used both unassigned
+ # and assigned.
+ if 'loop' in frame.identifiers.declared:
+ args = args + ['l_loop=l_loop']
+ self.writeline('def macro(%s):' % ', '.join(args), node)
+ self.indent()
+ self.buffer(frame)
+ self.pull_locals(frame)
+ self.blockvisit(node.body, frame)
+ self.return_buffer_contents(frame)
+ self.outdent()
+ return frame
+
+ def macro_def(self, node, frame):
+ """Dump the macro definition for the def created by macro_body."""
+ arg_tuple = ', '.join(repr(x.name) for x in node.args)
+ name = getattr(node, 'name', None)
+ if len(node.args) == 1:
+ arg_tuple += ','
+ self.write('Macro(environment, macro, %r, (%s), (' %
+ (name, arg_tuple))
+ for arg in node.defaults:
+ self.visit(arg, frame)
+ self.write(', ')
+ self.write('), %r, %r, %r)' % (
+ bool(frame.accesses_kwargs),
+ bool(frame.accesses_varargs),
+ bool(frame.accesses_caller)
+ ))
+
+ def position(self, node):
+ """Return a human readable position for the node."""
+ rv = 'line %d' % node.lineno
+ if self.name is not None:
+ rv += ' in ' + repr(self.name)
+ return rv
+
+ # -- Statement Visitors
+
+ def visit_Template(self, node, frame=None):
+ assert frame is None, 'no root frame allowed'
+ eval_ctx = EvalContext(self.environment, self.name)
+
+ from jinja2.runtime import __all__ as exported
+ self.writeline('from __future__ import division')
+ self.writeline('from jinja2.runtime import ' + ', '.join(exported))
+ if not unoptimize_before_dead_code:
+ self.writeline('dummy = lambda *x: None')
+
+ # if we want a deferred initialization we cannot move the
+ # environment into a local name
+ envenv = not self.defer_init and ', environment=environment' or ''
+
+ # do we have an extends tag at all? If not, we can save some
+ # overhead by just not processing any inheritance code.
+ have_extends = node.find(nodes.Extends) is not None
+
+ # find all blocks
+ for block in node.find_all(nodes.Block):
+ if block.name in self.blocks:
+ self.fail('block %r defined twice' % block.name, block.lineno)
+ self.blocks[block.name] = block
+
+ # find all imports and import them
+ for import_ in node.find_all(nodes.ImportedName):
+ if import_.importname not in self.import_aliases:
+ imp = import_.importname
+ self.import_aliases[imp] = alias = self.temporary_identifier()
+ if '.' in imp:
+ module, obj = imp.rsplit('.', 1)
+ self.writeline('from %s import %s as %s' %
+ (module, obj, alias))
+ else:
+ self.writeline('import %s as %s' % (imp, alias))
+
+ # add the load name
+ self.writeline('name = %r' % self.name)
+
+ # generate the root render function.
+ self.writeline('def root(context%s):' % envenv, extra=1)
+
+ # process the root
+ frame = Frame(eval_ctx)
+ frame.inspect(node.body)
+ frame.toplevel = frame.rootlevel = True
+ frame.require_output_check = have_extends and not self.has_known_extends
+ self.indent()
+ if have_extends:
+ self.writeline('parent_template = None')
+ if 'self' in find_undeclared(node.body, ('self',)):
+ frame.identifiers.add_special('self')
+ self.writeline('l_self = TemplateReference(context)')
+ self.pull_locals(frame)
+ self.pull_dependencies(node.body)
+ self.blockvisit(node.body, frame)
+ self.outdent()
+
+ # make sure that the parent root is called.
+ if have_extends:
+ if not self.has_known_extends:
+ self.indent()
+ self.writeline('if parent_template is not None:')
+ self.indent()
+ self.writeline('for event in parent_template.'
+ 'root_render_func(context):')
+ self.indent()
+ self.writeline('yield event')
+ self.outdent(2 + (not self.has_known_extends))
+
+ # at this point we now have the blocks collected and can visit them too.
+ for name, block in self.blocks.iteritems():
+ block_frame = Frame(eval_ctx)
+ block_frame.inspect(block.body)
+ block_frame.block = name
+ self.writeline('def block_%s(context%s):' % (name, envenv),
+ block, 1)
+ self.indent()
+ undeclared = find_undeclared(block.body, ('self', 'super'))
+ if 'self' in undeclared:
+ block_frame.identifiers.add_special('self')
+ self.writeline('l_self = TemplateReference(context)')
+ if 'super' in undeclared:
+ block_frame.identifiers.add_special('super')
+ self.writeline('l_super = context.super(%r, '
+ 'block_%s)' % (name, name))
+ self.pull_locals(block_frame)
+ self.pull_dependencies(block.body)
+ self.blockvisit(block.body, block_frame)
+ self.outdent()
+
+ self.writeline('blocks = {%s}' % ', '.join('%r: block_%s' % (x, x)
+ for x in self.blocks),
+ extra=1)
+
+ # add a function that returns the debug info
+ self.writeline('debug_info = %r' % '&'.join('%s=%s' % x for x
+ in self.debug_info))
+
+ def visit_Block(self, node, frame):
+ """Call a block and register it for the template."""
+ level = 1
+ if frame.toplevel:
+ # if we know that we are a child template, there is no need to
+ # check if we are one
+ if self.has_known_extends:
+ return
+ if self.extends_so_far > 0:
+ self.writeline('if parent_template is None:')
+ self.indent()
+ level += 1
+ context = node.scoped and 'context.derived(locals())' or 'context'
+ self.writeline('for event in context.blocks[%r][0](%s):' % (
+ node.name, context), node)
+ self.indent()
+ self.simple_write('event', frame)
+ self.outdent(level)
+
+ def visit_Extends(self, node, frame):
+ """Calls the extender."""
+ if not frame.toplevel:
+ self.fail('cannot use extend from a non top-level scope',
+ node.lineno)
+
+ # if the number of extends statements in general is zero so
+ # far, we don't have to add a check if something extended
+ # the template before this one.
+ if self.extends_so_far > 0:
+
+ # if we have a known extends we just add a template runtime
+ # error into the generated code. We could catch that at compile
+ # time too, but i welcome it not to confuse users by throwing the
+ # same error at different times just "because we can".
+ if not self.has_known_extends:
+ self.writeline('if parent_template is not None:')
+ self.indent()
+ self.writeline('raise TemplateRuntimeError(%r)' %
+ 'extended multiple times')
+ self.outdent()
+
+ # if we have a known extends already we don't need that code here
+ # as we know that the template execution will end here.
+ if self.has_known_extends:
+ raise CompilerExit()
+
+ self.writeline('parent_template = environment.get_template(', node)
+ self.visit(node.template, frame)
+ self.write(', %r)' % self.name)
+ self.writeline('for name, parent_block in parent_template.'
+ 'blocks.%s():' % dict_item_iter)
+ self.indent()
+ self.writeline('context.blocks.setdefault(name, []).'
+ 'append(parent_block)')
+ self.outdent()
+
+ # if this extends statement was in the root level we can take
+ # advantage of that information and simplify the generated code
+ # in the top level from this point onwards
+ if frame.rootlevel:
+ self.has_known_extends = True
+
+ # and now we have one more
+ self.extends_so_far += 1
+
+ def visit_Include(self, node, frame):
+ """Handles includes."""
+ if node.with_context:
+ self.unoptimize_scope(frame)
+ if node.ignore_missing:
+ self.writeline('try:')
+ self.indent()
+
+ func_name = 'get_or_select_template'
+ if isinstance(node.template, nodes.Const):
+ if isinstance(node.template.value, basestring):
+ func_name = 'get_template'
+ elif isinstance(node.template.value, (tuple, list)):
+ func_name = 'select_template'
+ elif isinstance(node.template, (nodes.Tuple, nodes.List)):
+ func_name = 'select_template'
+
+ self.writeline('template = environment.%s(' % func_name, node)
+ self.visit(node.template, frame)
+ self.write(', %r)' % self.name)
+ if node.ignore_missing:
+ self.outdent()
+ self.writeline('except TemplateNotFound:')
+ self.indent()
+ self.writeline('pass')
+ self.outdent()
+ self.writeline('else:')
+ self.indent()
+
+ if node.with_context:
+ self.writeline('for event in template.root_render_func('
+ 'template.new_context(context.parent, True, '
+ 'locals())):')
+ else:
+ self.writeline('for event in template.module._body_stream:')
+
+ self.indent()
+ self.simple_write('event', frame)
+ self.outdent()
+
+ if node.ignore_missing:
+ self.outdent()
+
+ def visit_Import(self, node, frame):
+ """Visit regular imports."""
+ if node.with_context:
+ self.unoptimize_scope(frame)
+ self.writeline('l_%s = ' % node.target, node)
+ if frame.toplevel:
+ self.write('context.vars[%r] = ' % node.target)
+ self.write('environment.get_template(')
+ self.visit(node.template, frame)
+ self.write(', %r).' % self.name)
+ if node.with_context:
+ self.write('make_module(context.parent, True, locals())')
+ else:
+ self.write('module')
+ if frame.toplevel and not node.target.startswith('_'):
+ self.writeline('context.exported_vars.discard(%r)' % node.target)
+ frame.assigned_names.add(node.target)
+
+ def visit_FromImport(self, node, frame):
+ """Visit named imports."""
+ self.newline(node)
+ self.write('included_template = environment.get_template(')
+ self.visit(node.template, frame)
+ self.write(', %r).' % self.name)
+ if node.with_context:
+ self.write('make_module(context.parent, True)')
+ else:
+ self.write('module')
+
+ var_names = []
+ discarded_names = []
+ for name in node.names:
+ if isinstance(name, tuple):
+ name, alias = name
+ else:
+ alias = name
+ self.writeline('l_%s = getattr(included_template, '
+ '%r, missing)' % (alias, name))
+ self.writeline('if l_%s is missing:' % alias)
+ self.indent()
+ self.writeline('l_%s = environment.undefined(%r %% '
+ 'included_template.__name__, '
+ 'name=%r)' %
+ (alias, 'the template %%r (imported on %s) does '
+ 'not export the requested name %s' % (
+ self.position(node),
+ repr(name)
+ ), name))
+ self.outdent()
+ if frame.toplevel:
+ var_names.append(alias)
+ if not alias.startswith('_'):
+ discarded_names.append(alias)
+ frame.assigned_names.add(alias)
+
+ if var_names:
+ if len(var_names) == 1:
+ name = var_names[0]
+ self.writeline('context.vars[%r] = l_%s' % (name, name))
+ else:
+ self.writeline('context.vars.update({%s})' % ', '.join(
+ '%r: l_%s' % (name, name) for name in var_names
+ ))
+ if discarded_names:
+ if len(discarded_names) == 1:
+ self.writeline('context.exported_vars.discard(%r)' %
+ discarded_names[0])
+ else:
+ self.writeline('context.exported_vars.difference_'
+ 'update((%s))' % ', '.join(map(repr, discarded_names)))
+
+ def visit_For(self, node, frame):
+ # when calculating the nodes for the inner frame we have to exclude
+ # the iterator contents from it
+ children = node.iter_child_nodes(exclude=('iter',))
+ if node.recursive:
+ loop_frame = self.function_scoping(node, frame, children,
+ find_special=False)
+ else:
+ loop_frame = frame.inner()
+ loop_frame.inspect(children)
+
+ # try to figure out if we have an extended loop. An extended loop
+ # is necessary if the loop is in recursive mode if the special loop
+ # variable is accessed in the body.
+ extended_loop = node.recursive or 'loop' in \
+ find_undeclared(node.iter_child_nodes(
+ only=('body',)), ('loop',))
+
+ # if we don't have an recursive loop we have to find the shadowed
+ # variables at that point. Because loops can be nested but the loop
+ # variable is a special one we have to enforce aliasing for it.
+ if not node.recursive:
+ aliases = self.push_scope(loop_frame, ('loop',))
+
+ # otherwise we set up a buffer and add a function def
+ else:
+ self.writeline('def loop(reciter, loop_render_func):', node)
+ self.indent()
+ self.buffer(loop_frame)
+ aliases = {}
+
+ # make sure the loop variable is a special one and raise a template
+ # assertion error if a loop tries to write to loop
+ if extended_loop:
+ loop_frame.identifiers.add_special('loop')
+ for name in node.find_all(nodes.Name):
+ if name.ctx == 'store' and name.name == 'loop':
+ self.fail('Can\'t assign to special loop variable '
+ 'in for-loop target', name.lineno)
+
+ self.pull_locals(loop_frame)
+ if node.else_:
+ iteration_indicator = self.temporary_identifier()
+ self.writeline('%s = 1' % iteration_indicator)
+
+ # Create a fake parent loop if the else or test section of a
+ # loop is accessing the special loop variable and no parent loop
+ # exists.
+ if 'loop' not in aliases and 'loop' in find_undeclared(
+ node.iter_child_nodes(only=('else_', 'test')), ('loop',)):
+ self.writeline("l_loop = environment.undefined(%r, name='loop')" %
+ ("'loop' is undefined. the filter section of a loop as well "
+ "as the else block doesn't have access to the special 'loop'"
+ " variable of the current loop. Because there is no parent "
+ "loop it's undefined. Happened in loop on %s" %
+ self.position(node)))
+
+ self.writeline('for ', node)
+ self.visit(node.target, loop_frame)
+ self.write(extended_loop and ', l_loop in LoopContext(' or ' in ')
+
+ # if we have an extened loop and a node test, we filter in the
+ # "outer frame".
+ if extended_loop and node.test is not None:
+ self.write('(')
+ self.visit(node.target, loop_frame)
+ self.write(' for ')
+ self.visit(node.target, loop_frame)
+ self.write(' in ')
+ if node.recursive:
+ self.write('reciter')
+ else:
+ self.visit(node.iter, loop_frame)
+ self.write(' if (')
+ test_frame = loop_frame.copy()
+ self.visit(node.test, test_frame)
+ self.write('))')
+
+ elif node.recursive:
+ self.write('reciter')
+ else:
+ self.visit(node.iter, loop_frame)
+
+ if node.recursive:
+ self.write(', recurse=loop_render_func):')
+ else:
+ self.write(extended_loop and '):' or ':')
+
+ # tests in not extended loops become a continue
+ if not extended_loop and node.test is not None:
+ self.indent()
+ self.writeline('if not ')
+ self.visit(node.test, loop_frame)
+ self.write(':')
+ self.indent()
+ self.writeline('continue')
+ self.outdent(2)
+
+ self.indent()
+ self.blockvisit(node.body, loop_frame)
+ if node.else_:
+ self.writeline('%s = 0' % iteration_indicator)
+ self.outdent()
+
+ if node.else_:
+ self.writeline('if %s:' % iteration_indicator)
+ self.indent()
+ self.blockvisit(node.else_, loop_frame)
+ self.outdent()
+
+ # reset the aliases if there are any.
+ if not node.recursive:
+ self.pop_scope(aliases, loop_frame)
+
+ # if the node was recursive we have to return the buffer contents
+ # and start the iteration code
+ if node.recursive:
+ self.return_buffer_contents(loop_frame)
+ self.outdent()
+ self.start_write(frame, node)
+ self.write('loop(')
+ self.visit(node.iter, frame)
+ self.write(', loop)')
+ self.end_write(frame)
+
+ def visit_If(self, node, frame):
+ if_frame = frame.soft()
+ self.writeline('if ', node)
+ self.visit(node.test, if_frame)
+ self.write(':')
+ self.indent()
+ self.blockvisit(node.body, if_frame)
+ self.outdent()
+ if node.else_:
+ self.writeline('else:')
+ self.indent()
+ self.blockvisit(node.else_, if_frame)
+ self.outdent()
+
+ def visit_Macro(self, node, frame):
+ macro_frame = self.macro_body(node, frame)
+ self.newline()
+ if frame.toplevel:
+ if not node.name.startswith('_'):
+ self.write('context.exported_vars.add(%r)' % node.name)
+ self.writeline('context.vars[%r] = ' % node.name)
+ self.write('l_%s = ' % node.name)
+ self.macro_def(node, macro_frame)
+ frame.assigned_names.add(node.name)
+
+ def visit_CallBlock(self, node, frame):
+ children = node.iter_child_nodes(exclude=('call',))
+ call_frame = self.macro_body(node, frame, children)
+ self.writeline('caller = ')
+ self.macro_def(node, call_frame)
+ self.start_write(frame, node)
+ self.visit_Call(node.call, call_frame, forward_caller=True)
+ self.end_write(frame)
+
+ def visit_FilterBlock(self, node, frame):
+ filter_frame = frame.inner()
+ filter_frame.inspect(node.iter_child_nodes())
+ aliases = self.push_scope(filter_frame)
+ self.pull_locals(filter_frame)
+ self.buffer(filter_frame)
+ self.blockvisit(node.body, filter_frame)
+ self.start_write(frame, node)
+ self.visit_Filter(node.filter, filter_frame)
+ self.end_write(frame)
+ self.pop_scope(aliases, filter_frame)
+
+ def visit_ExprStmt(self, node, frame):
+ self.newline(node)
+ self.visit(node.node, frame)
+
+ def visit_Output(self, node, frame):
+ # if we have a known extends statement, we don't output anything
+ # if we are in a require_output_check section
+ if self.has_known_extends and frame.require_output_check:
+ return
+
+ if self.environment.finalize:
+ finalize = lambda x: unicode(self.environment.finalize(x))
+ else:
+ finalize = unicode
+
+ # if we are inside a frame that requires output checking, we do so
+ outdent_later = False
+ if frame.require_output_check:
+ self.writeline('if parent_template is None:')
+ self.indent()
+ outdent_later = True
+
+ # try to evaluate as many chunks as possible into a static
+ # string at compile time.
+ body = []
+ for child in node.nodes:
+ try:
+ const = child.as_const(frame.eval_ctx)
+ except nodes.Impossible:
+ body.append(child)
+ continue
+ # the frame can't be volatile here, becaus otherwise the
+ # as_const() function would raise an Impossible exception
+ # at that point.
+ try:
+ if frame.eval_ctx.autoescape:
+ if hasattr(const, '__html__'):
+ const = const.__html__()
+ else:
+ const = escape(const)
+ const = finalize(const)
+ except:
+ # if something goes wrong here we evaluate the node
+ # at runtime for easier debugging
+ body.append(child)
+ continue
+ if body and isinstance(body[-1], list):
+ body[-1].append(const)
+ else:
+ body.append([const])
+
+ # if we have less than 3 nodes or a buffer we yield or extend/append
+ if len(body) < 3 or frame.buffer is not None:
+ if frame.buffer is not None:
+ # for one item we append, for more we extend
+ if len(body) == 1:
+ self.writeline('%s.append(' % frame.buffer)
+ else:
+ self.writeline('%s.extend((' % frame.buffer)
+ self.indent()
+ for item in body:
+ if isinstance(item, list):
+ val = repr(concat(item))
+ if frame.buffer is None:
+ self.writeline('yield ' + val)
+ else:
+ self.writeline(val + ', ')
+ else:
+ if frame.buffer is None:
+ self.writeline('yield ', item)
+ else:
+ self.newline(item)
+ close = 1
+ if frame.eval_ctx.volatile:
+ self.write('(context.eval_ctx.autoescape and'
+ ' escape or to_string)(')
+ elif frame.eval_ctx.autoescape:
+ self.write('escape(')
+ else:
+ self.write('to_string(')
+ if self.environment.finalize is not None:
+ self.write('environment.finalize(')
+ close += 1
+ self.visit(item, frame)
+ self.write(')' * close)
+ if frame.buffer is not None:
+ self.write(', ')
+ if frame.buffer is not None:
+ # close the open parentheses
+ self.outdent()
+ self.writeline(len(body) == 1 and ')' or '))')
+
+ # otherwise we create a format string as this is faster in that case
+ else:
+ format = []
+ arguments = []
+ for item in body:
+ if isinstance(item, list):
+ format.append(concat(item).replace('%', '%%'))
+ else:
+ format.append('%s')
+ arguments.append(item)
+ self.writeline('yield ')
+ self.write(repr(concat(format)) + ' % (')
+ idx = -1
+ self.indent()
+ for argument in arguments:
+ self.newline(argument)
+ close = 0
+ if frame.eval_ctx.volatile:
+ self.write('(context.eval_ctx.autoescape and'
+ ' escape or to_string)(')
+ close += 1
+ elif frame.eval_ctx.autoescape:
+ self.write('escape(')
+ close += 1
+ if self.environment.finalize is not None:
+ self.write('environment.finalize(')
+ close += 1
+ self.visit(argument, frame)
+ self.write(')' * close + ', ')
+ self.outdent()
+ self.writeline(')')
+
+ if outdent_later:
+ self.outdent()
+
+ def visit_Assign(self, node, frame):
+ self.newline(node)
+ # toplevel assignments however go into the local namespace and
+ # the current template's context. We create a copy of the frame
+ # here and add a set so that the Name visitor can add the assigned
+ # names here.
+ if frame.toplevel:
+ assignment_frame = frame.copy()
+ assignment_frame.toplevel_assignments = set()
+ else:
+ assignment_frame = frame
+ self.visit(node.target, assignment_frame)
+ self.write(' = ')
+ self.visit(node.node, frame)
+
+ # make sure toplevel assignments are added to the context.
+ if frame.toplevel:
+ public_names = [x for x in assignment_frame.toplevel_assignments
+ if not x.startswith('_')]
+ if len(assignment_frame.toplevel_assignments) == 1:
+ name = next(iter(assignment_frame.toplevel_assignments))
+ self.writeline('context.vars[%r] = l_%s' % (name, name))
+ else:
+ self.writeline('context.vars.update({')
+ for idx, name in enumerate(assignment_frame.toplevel_assignments):
+ if idx:
+ self.write(', ')
+ self.write('%r: l_%s' % (name, name))
+ self.write('})')
+ if public_names:
+ if len(public_names) == 1:
+ self.writeline('context.exported_vars.add(%r)' %
+ public_names[0])
+ else:
+ self.writeline('context.exported_vars.update((%s))' %
+ ', '.join(map(repr, public_names)))
+
+ # -- Expression Visitors
+
+ def visit_Name(self, node, frame):
+ if node.ctx == 'store' and frame.toplevel:
+ frame.toplevel_assignments.add(node.name)
+ self.write('l_' + node.name)
+ frame.assigned_names.add(node.name)
+
+ def visit_Const(self, node, frame):
+ val = node.value
+ if isinstance(val, float):
+ self.write(str(val))
+ else:
+ self.write(repr(val))
+
+ def visit_TemplateData(self, node, frame):
+ try:
+ self.write(repr(node.as_const(frame.eval_ctx)))
+ except nodes.Impossible:
+ self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
+ % node.data)
+
+ def visit_Tuple(self, node, frame):
+ self.write('(')
+ idx = -1
+ for idx, item in enumerate(node.items):
+ if idx:
+ self.write(', ')
+ self.visit(item, frame)
+ self.write(idx == 0 and ',)' or ')')
+
+ def visit_List(self, node, frame):
+ self.write('[')
+ for idx, item in enumerate(node.items):
+ if idx:
+ self.write(', ')
+ self.visit(item, frame)
+ self.write(']')
+
+ def visit_Dict(self, node, frame):
+ self.write('{')
+ for idx, item in enumerate(node.items):
+ if idx:
+ self.write(', ')
+ self.visit(item.key, frame)
+ self.write(': ')
+ self.visit(item.value, frame)
+ self.write('}')
+
+ def binop(operator):
+ def visitor(self, node, frame):
+ self.write('(')
+ self.visit(node.left, frame)
+ self.write(' %s ' % operator)
+ self.visit(node.right, frame)
+ self.write(')')
+ return visitor
+
+ def uaop(operator):
+ def visitor(self, node, frame):
+ self.write('(' + operator)
+ self.visit(node.node, frame)
+ self.write(')')
+ return visitor
+
+ visit_Add = binop('+')
+ visit_Sub = binop('-')
+ visit_Mul = binop('*')
+ visit_Div = binop('/')
+ visit_FloorDiv = binop('//')
+ visit_Pow = binop('**')
+ visit_Mod = binop('%')
+ visit_And = binop('and')
+ visit_Or = binop('or')
+ visit_Pos = uaop('+')
+ visit_Neg = uaop('-')
+ visit_Not = uaop('not ')
+ del binop, uaop
+
+ def visit_Concat(self, node, frame):
+ if frame.eval_ctx.volatile:
+ func_name = '(context.eval_ctx.volatile and' \
+ ' markup_join or unicode_join)'
+ elif frame.eval_ctx.autoescape:
+ func_name = 'markup_join'
+ else:
+ func_name = 'unicode_join'
+ self.write('%s((' % func_name)
+ for arg in node.nodes:
+ self.visit(arg, frame)
+ self.write(', ')
+ self.write('))')
+
+ def visit_Compare(self, node, frame):
+ self.visit(node.expr, frame)
+ for op in node.ops:
+ self.visit(op, frame)
+
+ def visit_Operand(self, node, frame):
+ self.write(' %s ' % operators[node.op])
+ self.visit(node.expr, frame)
+
+ def visit_Getattr(self, node, frame):
+ self.write('environment.getattr(')
+ self.visit(node.node, frame)
+ self.write(', %r)' % node.attr)
+
+ def visit_Getitem(self, node, frame):
+ # slices bypass the environment getitem method.
+ if isinstance(node.arg, nodes.Slice):
+ self.visit(node.node, frame)
+ self.write('[')
+ self.visit(node.arg, frame)
+ self.write(']')
+ else:
+ self.write('environment.getitem(')
+ self.visit(node.node, frame)
+ self.write(', ')
+ self.visit(node.arg, frame)
+ self.write(')')
+
+ def visit_Slice(self, node, frame):
+ if node.start is not None:
+ self.visit(node.start, frame)
+ self.write(':')
+ if node.stop is not None:
+ self.visit(node.stop, frame)
+ if node.step is not None:
+ self.write(':')
+ self.visit(node.step, frame)
+
+ def visit_Filter(self, node, frame):
+ self.write(self.filters[node.name] + '(')
+ func = self.environment.filters.get(node.name)
+ if func is None:
+ self.fail('no filter named %r' % node.name, node.lineno)
+ if getattr(func, 'contextfilter', False):
+ self.write('context, ')
+ elif getattr(func, 'evalcontextfilter', False):
+ self.write('context.eval_ctx, ')
+ elif getattr(func, 'environmentfilter', False):
+ self.write('environment, ')
+
+ # if the filter node is None we are inside a filter block
+ # and want to write to the current buffer
+ if node.node is not None:
+ self.visit(node.node, frame)
+ elif frame.eval_ctx.volatile:
+ self.write('(context.eval_ctx.autoescape and'
+ ' Markup(concat(%s)) or concat(%s))' %
+ (frame.buffer, frame.buffer))
+ elif frame.eval_ctx.autoescape:
+ self.write('Markup(concat(%s))' % frame.buffer)
+ else:
+ self.write('concat(%s)' % frame.buffer)
+ self.signature(node, frame)
+ self.write(')')
+
+ def visit_Test(self, node, frame):
+ self.write(self.tests[node.name] + '(')
+ if node.name not in self.environment.tests:
+ self.fail('no test named %r' % node.name, node.lineno)
+ self.visit(node.node, frame)
+ self.signature(node, frame)
+ self.write(')')
+
+ def visit_CondExpr(self, node, frame):
+ def write_expr2():
+ if node.expr2 is not None:
+ return self.visit(node.expr2, frame)
+ self.write('environment.undefined(%r)' % ('the inline if-'
+ 'expression on %s evaluated to false and '
+ 'no else section was defined.' % self.position(node)))
+
+ if not have_condexpr:
+ self.write('((')
+ self.visit(node.test, frame)
+ self.write(') and (')
+ self.visit(node.expr1, frame)
+ self.write(',) or (')
+ write_expr2()
+ self.write(',))[0]')
+ else:
+ self.write('(')
+ self.visit(node.expr1, frame)
+ self.write(' if ')
+ self.visit(node.test, frame)
+ self.write(' else ')
+ write_expr2()
+ self.write(')')
+
+ def visit_Call(self, node, frame, forward_caller=False):
+ if self.environment.sandboxed:
+ self.write('environment.call(context, ')
+ else:
+ self.write('context.call(')
+ self.visit(node.node, frame)
+ extra_kwargs = forward_caller and {'caller': 'caller'} or None
+ self.signature(node, frame, extra_kwargs)
+ self.write(')')
+
+ def visit_Keyword(self, node, frame):
+ self.write(node.key + '=')
+ self.visit(node.value, frame)
+
+ # -- Unused nodes for extensions
+
+ def visit_MarkSafe(self, node, frame):
+ self.write('Markup(')
+ self.visit(node.expr, frame)
+ self.write(')')
+
+ def visit_MarkSafeIfAutoescape(self, node, frame):
+ self.write('(context.eval_ctx.autoescape and Markup or identity)(')
+ self.visit(node.expr, frame)
+ self.write(')')
+
+ def visit_EnvironmentAttribute(self, node, frame):
+ self.write('environment.' + node.name)
+
+ def visit_ExtensionAttribute(self, node, frame):
+ self.write('environment.extensions[%r].%s' % (node.identifier, node.name))
+
+ def visit_ImportedName(self, node, frame):
+ self.write(self.import_aliases[node.importname])
+
+ def visit_InternalName(self, node, frame):
+ self.write(node.name)
+
+ def visit_ContextReference(self, node, frame):
+ self.write('context')
+
+ def visit_Continue(self, node, frame):
+ self.writeline('continue', node)
+
+ def visit_Break(self, node, frame):
+ self.writeline('break', node)
+
+ def visit_Scope(self, node, frame):
+ scope_frame = frame.inner()
+ scope_frame.inspect(node.iter_child_nodes())
+ aliases = self.push_scope(scope_frame)
+ self.pull_locals(scope_frame)
+ self.blockvisit(node.body, scope_frame)
+ self.pop_scope(aliases, scope_frame)
+
+ def visit_EvalContextModifier(self, node, frame):
+ for keyword in node.options:
+ self.writeline('context.eval_ctx.%s = ' % keyword.key)
+ self.visit(keyword.value, frame)
+ try:
+ val = keyword.value.as_const(frame.eval_ctx)
+ except nodes.Impossible:
+ frame.eval_ctx.volatile = True
+ else:
+ setattr(frame.eval_ctx, keyword.key, val)
+
+ def visit_ScopedEvalContextModifier(self, node, frame):
+ old_ctx_name = self.temporary_identifier()
+ safed_ctx = frame.eval_ctx.save()
+ self.writeline('%s = context.eval_ctx.save()' % old_ctx_name)
+ self.visit_EvalContextModifier(node, frame)
+ for child in node.body:
+ self.visit(child, frame)
+ frame.eval_ctx.revert(safed_ctx)
+ self.writeline('context.eval_ctx.revert(%s)' % old_ctx_name)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/constants.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/constants.py b/ambari-common/src/main/python/jinja2/jinja2/constants.py
new file mode 100644
index 0000000..cab203c
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/constants.py
@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja.constants
+ ~~~~~~~~~~~~~~~
+
+ Various constants.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+
+
+#: list of lorem ipsum words used by the lipsum() helper function
+LOREM_IPSUM_WORDS = u'''\
+a ac accumsan ad adipiscing aenean aliquam aliquet amet ante aptent arcu at
+auctor augue bibendum blandit class commodo condimentum congue consectetuer
+consequat conubia convallis cras cubilia cum curabitur curae cursus dapibus
+diam dictum dictumst dignissim dis dolor donec dui duis egestas eget eleifend
+elementum elit enim erat eros est et etiam eu euismod facilisi facilisis fames
+faucibus felis fermentum feugiat fringilla fusce gravida habitant habitasse hac
+hendrerit hymenaeos iaculis id imperdiet in inceptos integer interdum ipsum
+justo lacinia lacus laoreet lectus leo libero ligula litora lobortis lorem
+luctus maecenas magna magnis malesuada massa mattis mauris metus mi molestie
+mollis montes morbi mus nam nascetur natoque nec neque netus nibh nisi nisl non
+nonummy nostra nulla nullam nunc odio orci ornare parturient pede pellentesque
+penatibus per pharetra phasellus placerat platea porta porttitor posuere
+potenti praesent pretium primis proin pulvinar purus quam quis quisque rhoncus
+ridiculus risus rutrum sagittis sapien scelerisque sed sem semper senectus sit
+sociis sociosqu sodales sollicitudin suscipit suspendisse taciti tellus tempor
+tempus tincidunt torquent tortor tristique turpis ullamcorper ultrices
+ultricies urna ut varius vehicula vel velit venenatis vestibulum vitae vivamus
+viverra volutpat vulputate'''
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/debug.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/debug.py b/ambari-common/src/main/python/jinja2/jinja2/debug.py
new file mode 100644
index 0000000..eb15456
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/debug.py
@@ -0,0 +1,308 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.debug
+ ~~~~~~~~~~~~
+
+ Implements the debug interface for Jinja. This module does some pretty
+ ugly stuff with the Python traceback system in order to achieve tracebacks
+ with correct line numbers, locals and contents.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import sys
+import traceback
+from jinja2.utils import CodeType, missing, internal_code
+from jinja2.exceptions import TemplateSyntaxError
+
+
+# how does the raise helper look like?
+try:
+ exec "raise TypeError, 'foo'"
+except SyntaxError:
+ raise_helper = 'raise __jinja_exception__[1]'
+except TypeError:
+ raise_helper = 'raise __jinja_exception__[0], __jinja_exception__[1]'
+
+
+class TracebackFrameProxy(object):
+ """Proxies a traceback frame."""
+
+ def __init__(self, tb):
+ self.tb = tb
+
+ def _set_tb_next(self, next):
+ if tb_set_next is not None:
+ tb_set_next(self.tb, next and next.tb or None)
+ self._tb_next = next
+
+ def _get_tb_next(self):
+ return self._tb_next
+
+ tb_next = property(_get_tb_next, _set_tb_next)
+ del _get_tb_next, _set_tb_next
+
+ @property
+ def is_jinja_frame(self):
+ return '__jinja_template__' in self.tb.tb_frame.f_globals
+
+ def __getattr__(self, name):
+ return getattr(self.tb, name)
+
+
+class ProcessedTraceback(object):
+ """Holds a Jinja preprocessed traceback for priting or reraising."""
+
+ def __init__(self, exc_type, exc_value, frames):
+ assert frames, 'no frames for this traceback?'
+ self.exc_type = exc_type
+ self.exc_value = exc_value
+ self.frames = frames
+
+ def chain_frames(self):
+ """Chains the frames. Requires ctypes or the debugsupport extension."""
+ prev_tb = None
+ for tb in self.frames:
+ if prev_tb is not None:
+ prev_tb.tb_next = tb
+ prev_tb = tb
+ prev_tb.tb_next = None
+
+ def render_as_text(self, limit=None):
+ """Return a string with the traceback."""
+ lines = traceback.format_exception(self.exc_type, self.exc_value,
+ self.frames[0], limit=limit)
+ return ''.join(lines).rstrip()
+
+ def render_as_html(self, full=False):
+ """Return a unicode string with the traceback as rendered HTML."""
+ from jinja2.debugrenderer import render_traceback
+ return u'%s\n\n<!--\n%s\n-->' % (
+ render_traceback(self, full=full),
+ self.render_as_text().decode('utf-8', 'replace')
+ )
+
+ @property
+ def is_template_syntax_error(self):
+ """`True` if this is a template syntax error."""
+ return isinstance(self.exc_value, TemplateSyntaxError)
+
+ @property
+ def exc_info(self):
+ """Exception info tuple with a proxy around the frame objects."""
+ return self.exc_type, self.exc_value, self.frames[0]
+
+ @property
+ def standard_exc_info(self):
+ """Standard python exc_info for re-raising"""
+ return self.exc_type, self.exc_value, self.frames[0].tb
+
+
+def make_traceback(exc_info, source_hint=None):
+ """Creates a processed traceback object from the exc_info."""
+ exc_type, exc_value, tb = exc_info
+ if isinstance(exc_value, TemplateSyntaxError):
+ exc_info = translate_syntax_error(exc_value, source_hint)
+ initial_skip = 0
+ else:
+ initial_skip = 1
+ return translate_exception(exc_info, initial_skip)
+
+
+def translate_syntax_error(error, source=None):
+ """Rewrites a syntax error to please traceback systems."""
+ error.source = source
+ error.translated = True
+ exc_info = (error.__class__, error, None)
+ filename = error.filename
+ if filename is None:
+ filename = '<unknown>'
+ return fake_exc_info(exc_info, filename, error.lineno)
+
+
+def translate_exception(exc_info, initial_skip=0):
+ """If passed an exc_info it will automatically rewrite the exceptions
+ all the way down to the correct line numbers and frames.
+ """
+ tb = exc_info[2]
+ frames = []
+
+ # skip some internal frames if wanted
+ for x in xrange(initial_skip):
+ if tb is not None:
+ tb = tb.tb_next
+ initial_tb = tb
+
+ while tb is not None:
+ # skip frames decorated with @internalcode. These are internal
+ # calls we can't avoid and that are useless in template debugging
+ # output.
+ if tb.tb_frame.f_code in internal_code:
+ tb = tb.tb_next
+ continue
+
+ # save a reference to the next frame if we override the current
+ # one with a faked one.
+ next = tb.tb_next
+
+ # fake template exceptions
+ template = tb.tb_frame.f_globals.get('__jinja_template__')
+ if template is not None:
+ lineno = template.get_corresponding_lineno(tb.tb_lineno)
+ tb = fake_exc_info(exc_info[:2] + (tb,), template.filename,
+ lineno)[2]
+
+ frames.append(TracebackFrameProxy(tb))
+ tb = next
+
+ # if we don't have any exceptions in the frames left, we have to
+ # reraise it unchanged.
+ # XXX: can we backup here? when could this happen?
+ if not frames:
+ raise exc_info[0], exc_info[1], exc_info[2]
+
+ traceback = ProcessedTraceback(exc_info[0], exc_info[1], frames)
+ if tb_set_next is not None:
+ traceback.chain_frames()
+ return traceback
+
+
+def fake_exc_info(exc_info, filename, lineno):
+ """Helper for `translate_exception`."""
+ exc_type, exc_value, tb = exc_info
+
+ # figure the real context out
+ if tb is not None:
+ real_locals = tb.tb_frame.f_locals.copy()
+ ctx = real_locals.get('context')
+ if ctx:
+ locals = ctx.get_all()
+ else:
+ locals = {}
+ for name, value in real_locals.iteritems():
+ if name.startswith('l_') and value is not missing:
+ locals[name[2:]] = value
+
+ # if there is a local called __jinja_exception__, we get
+ # rid of it to not break the debug functionality.
+ locals.pop('__jinja_exception__', None)
+ else:
+ locals = {}
+
+ # assamble fake globals we need
+ globals = {
+ '__name__': filename,
+ '__file__': filename,
+ '__jinja_exception__': exc_info[:2],
+
+ # we don't want to keep the reference to the template around
+ # to not cause circular dependencies, but we mark it as Jinja
+ # frame for the ProcessedTraceback
+ '__jinja_template__': None
+ }
+
+ # and fake the exception
+ code = compile('\n' * (lineno - 1) + raise_helper, filename, 'exec')
+
+ # if it's possible, change the name of the code. This won't work
+ # on some python environments such as google appengine
+ try:
+ if tb is None:
+ location = 'template'
+ else:
+ function = tb.tb_frame.f_code.co_name
+ if function == 'root':
+ location = 'top-level template code'
+ elif function.startswith('block_'):
+ location = 'block "%s"' % function[6:]
+ else:
+ location = 'template'
+ code = CodeType(0, code.co_nlocals, code.co_stacksize,
+ code.co_flags, code.co_code, code.co_consts,
+ code.co_names, code.co_varnames, filename,
+ location, code.co_firstlineno,
+ code.co_lnotab, (), ())
+ except:
+ pass
+
+ # execute the code and catch the new traceback
+ try:
+ exec code in globals, locals
+ except:
+ exc_info = sys.exc_info()
+ new_tb = exc_info[2].tb_next
+
+ # return without this frame
+ return exc_info[:2] + (new_tb,)
+
+
+def _init_ugly_crap():
+ """This function implements a few ugly things so that we can patch the
+ traceback objects. The function returned allows resetting `tb_next` on
+ any python traceback object.
+ """
+ import ctypes
+ from types import TracebackType
+
+ # figure out side of _Py_ssize_t
+ if hasattr(ctypes.pythonapi, 'Py_InitModule4_64'):
+ _Py_ssize_t = ctypes.c_int64
+ else:
+ _Py_ssize_t = ctypes.c_int
+
+ # regular python
+ class _PyObject(ctypes.Structure):
+ pass
+ _PyObject._fields_ = [
+ ('ob_refcnt', _Py_ssize_t),
+ ('ob_type', ctypes.POINTER(_PyObject))
+ ]
+
+ # python with trace
+ if hasattr(sys, 'getobjects'):
+ class _PyObject(ctypes.Structure):
+ pass
+ _PyObject._fields_ = [
+ ('_ob_next', ctypes.POINTER(_PyObject)),
+ ('_ob_prev', ctypes.POINTER(_PyObject)),
+ ('ob_refcnt', _Py_ssize_t),
+ ('ob_type', ctypes.POINTER(_PyObject))
+ ]
+
+ class _Traceback(_PyObject):
+ pass
+ _Traceback._fields_ = [
+ ('tb_next', ctypes.POINTER(_Traceback)),
+ ('tb_frame', ctypes.POINTER(_PyObject)),
+ ('tb_lasti', ctypes.c_int),
+ ('tb_lineno', ctypes.c_int)
+ ]
+
+ def tb_set_next(tb, next):
+ """Set the tb_next attribute of a traceback object."""
+ if not (isinstance(tb, TracebackType) and
+ (next is None or isinstance(next, TracebackType))):
+ raise TypeError('tb_set_next arguments must be traceback objects')
+ obj = _Traceback.from_address(id(tb))
+ if tb.tb_next is not None:
+ old = _Traceback.from_address(id(tb.tb_next))
+ old.ob_refcnt -= 1
+ if next is None:
+ obj.tb_next = ctypes.POINTER(_Traceback)()
+ else:
+ next = _Traceback.from_address(id(next))
+ next.ob_refcnt += 1
+ obj.tb_next = ctypes.pointer(next)
+
+ return tb_set_next
+
+
+# try to get a tb_set_next implementation
+try:
+ from jinja2._debugsupport import tb_set_next
+except ImportError:
+ try:
+ tb_set_next = _init_ugly_crap()
+ except:
+ tb_set_next = None
+del _init_ugly_crap
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/defaults.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/defaults.py b/ambari-common/src/main/python/jinja2/jinja2/defaults.py
new file mode 100644
index 0000000..d2d4544
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/defaults.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.defaults
+ ~~~~~~~~~~~~~~~
+
+ Jinja default filters and tags.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+from jinja2.utils import generate_lorem_ipsum, Cycler, Joiner
+
+
+# defaults for the parser / lexer
+BLOCK_START_STRING = '{%'
+BLOCK_END_STRING = '%}'
+VARIABLE_START_STRING = '{{'
+VARIABLE_END_STRING = '}}'
+COMMENT_START_STRING = '{#'
+COMMENT_END_STRING = '#}'
+LINE_STATEMENT_PREFIX = None
+LINE_COMMENT_PREFIX = None
+TRIM_BLOCKS = False
+NEWLINE_SEQUENCE = '\n'
+
+
+# default filters, tests and namespace
+from jinja2.filters import FILTERS as DEFAULT_FILTERS
+from jinja2.tests import TESTS as DEFAULT_TESTS
+DEFAULT_NAMESPACE = {
+ 'range': xrange,
+ 'dict': lambda **kw: kw,
+ 'lipsum': generate_lorem_ipsum,
+ 'cycler': Cycler,
+ 'joiner': Joiner
+}
+
+
+# export all constants
+__all__ = tuple(x for x in locals().keys() if x.isupper())
[11/11] git commit: AMBARI-3557. Resource Management. Add jinja2 to
ambari-common, rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
AMBARI-3557. Resource Management. Add jinja2 to ambari-common, rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Project: http://git-wip-us.apache.org/repos/asf/incubator-ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ambari/commit/f0733293
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ambari/tree/f0733293
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ambari/diff/f0733293
Branch: refs/heads/trunk
Commit: f073329382f379a98364e5b0f28402796cef6575
Parents: 6001f06
Author: Lisnichenko Dmitro <dl...@hortonworks.com>
Authored: Tue Oct 22 18:48:31 2013 +0300
Committer: Lisnichenko Dmitro <dl...@hortonworks.com>
Committed: Tue Oct 22 18:49:59 2013 +0300
----------------------------------------------------------------------
LICENSE.txt | 34 +
NOTICE.txt | 6 +
ambari-agent/pom.xml | 14 +-
ambari-common/src/main/python/jinja2/AUTHORS | 31 +
ambari-common/src/main/python/jinja2/CHANGES | 235 +++
ambari-common/src/main/python/jinja2/LICENSE | 31 +
.../src/main/python/jinja2/MANIFEST.in | 12 +
ambari-common/src/main/python/jinja2/Makefile | 4 +
.../main/python/jinja2/artwork/jinjalogo.svg | 132 ++
.../python/jinja2/custom_fixers/__init__.py | 0
.../jinja2/custom_fixers/fix_alt_unicode.py | 13 +
.../custom_fixers/fix_broken_reraising.py | 21 +
.../python/jinja2/custom_fixers/fix_xrange2.py | 11 +
.../src/main/python/jinja2/docs/Makefile | 75 +
.../src/main/python/jinja2/docs/_build/.ignore | 0
.../src/main/python/jinja2/docs/_static/.ignore | 0
.../main/python/jinja2/docs/_static/jinja.js | 26 +
.../main/python/jinja2/docs/_static/print.css | 5 +
.../main/python/jinja2/docs/_static/style.css | 390 +++++
.../main/python/jinja2/docs/_templates/.ignore | 0
.../python/jinja2/docs/_templates/genindex.html | 36 +
.../python/jinja2/docs/_templates/layout.html | 77 +
.../jinja2/docs/_templates/opensearch.xml | 9 +
.../python/jinja2/docs/_templates/page.html | 4 +
.../python/jinja2/docs/_templates/search.html | 35 +
.../src/main/python/jinja2/docs/api.rst | 787 +++++++++
.../main/python/jinja2/docs/cache_extension.py | 56 +
.../src/main/python/jinja2/docs/changelog.rst | 3 +
.../src/main/python/jinja2/docs/conf.py | 141 ++
.../src/main/python/jinja2/docs/extensions.rst | 347 ++++
.../src/main/python/jinja2/docs/faq.rst | 191 ++
.../src/main/python/jinja2/docs/index.rst | 27 +
.../src/main/python/jinja2/docs/integration.rst | 88 +
.../src/main/python/jinja2/docs/intro.rst | 168 ++
.../src/main/python/jinja2/docs/jinjaext.py | 192 ++
.../src/main/python/jinja2/docs/sandbox.rst | 46 +
.../src/main/python/jinja2/docs/switching.rst | 242 +++
.../src/main/python/jinja2/docs/templates.rst | 1365 +++++++++++++++
.../src/main/python/jinja2/docs/tricks.rst | 100 ++
.../main/python/jinja2/examples/basic/cycle.py | 13 +
.../python/jinja2/examples/basic/debugger.py | 7 +
.../python/jinja2/examples/basic/inheritance.py | 12 +
.../jinja2/examples/basic/templates/broken.html | 6 +
.../examples/basic/templates/subbroken.html | 3 +
.../main/python/jinja2/examples/basic/test.py | 27 +
.../basic/test_filter_and_linestatements.py | 25 +
.../jinja2/examples/basic/test_loop_filter.py | 12 +
.../python/jinja2/examples/basic/translate.py | 6 +
.../src/main/python/jinja2/examples/bench.py | 433 +++++
.../src/main/python/jinja2/examples/profile.py | 52 +
.../jinja2/examples/rwbench/django/_form.html | 1 +
.../examples/rwbench/django/_input_field.html | 1 +
.../examples/rwbench/django/_textarea.html | 1 +
.../jinja2/examples/rwbench/django/index.html | 29 +
.../jinja2/examples/rwbench/django/layout.html | 29 +
.../python/jinja2/examples/rwbench/djangoext.py | 135 ++
.../jinja2/examples/rwbench/genshi/helpers.html | 12 +
.../jinja2/examples/rwbench/genshi/index.html | 41 +
.../jinja2/examples/rwbench/genshi/layout.html | 30 +
.../jinja2/examples/rwbench/jinja/helpers.html | 12 +
.../jinja2/examples/rwbench/jinja/index.html | 29 +
.../jinja2/examples/rwbench/jinja/layout.html | 29 +
.../jinja2/examples/rwbench/mako/helpers.html | 11 +
.../jinja2/examples/rwbench/mako/index.html | 31 +
.../jinja2/examples/rwbench/mako/layout.html | 30 +
.../python/jinja2/examples/rwbench/rwbench.py | 112 ++
.../main/python/jinja2/ext/Vim/htmljinja.vim | 27 +
.../src/main/python/jinja2/ext/Vim/jinja.vim | 113 ++
.../jinja2/ext/django2jinja/django2jinja.py | 768 ++++++++
.../python/jinja2/ext/django2jinja/example.py | 7 +
.../ext/django2jinja/templates/index.html | 58 +
.../ext/django2jinja/templates/layout.html | 4 +
.../ext/django2jinja/templates/subtemplate.html | 1 +
.../src/main/python/jinja2/ext/djangojinja2.py | 86 +
.../src/main/python/jinja2/ext/inlinegettext.py | 78 +
.../src/main/python/jinja2/ext/jinja.el | 213 +++
.../src/main/python/jinja2/jinja2-debug.py | 40 +
.../src/main/python/jinja2/jinja2/__init__.py | 73 +
.../main/python/jinja2/jinja2/_debugsupport.c | 78 +
.../jinja2/jinja2/_markupsafe/__init__.py | 225 +++
.../python/jinja2/jinja2/_markupsafe/_bundle.py | 49 +
.../jinja2/jinja2/_markupsafe/_constants.py | 267 +++
.../python/jinja2/jinja2/_markupsafe/_native.py | 45 +
.../python/jinja2/jinja2/_markupsafe/tests.py | 80 +
.../main/python/jinja2/jinja2/_stringdefs.py | 130 ++
.../src/main/python/jinja2/jinja2/bccache.py | 280 +++
.../src/main/python/jinja2/jinja2/compiler.py | 1640 ++++++++++++++++++
.../src/main/python/jinja2/jinja2/constants.py | 32 +
.../src/main/python/jinja2/jinja2/debug.py | 308 ++++
.../src/main/python/jinja2/jinja2/defaults.py | 40 +
.../main/python/jinja2/jinja2/environment.py | 1118 ++++++++++++
.../src/main/python/jinja2/jinja2/exceptions.py | 143 ++
.../src/main/python/jinja2/jinja2/ext.py | 610 +++++++
.../src/main/python/jinja2/jinja2/filters.py | 719 ++++++++
.../src/main/python/jinja2/jinja2/lexer.py | 681 ++++++++
.../src/main/python/jinja2/jinja2/loaders.py | 449 +++++
.../src/main/python/jinja2/jinja2/meta.py | 102 ++
.../src/main/python/jinja2/jinja2/nodes.py | 901 ++++++++++
.../src/main/python/jinja2/jinja2/optimizer.py | 68 +
.../src/main/python/jinja2/jinja2/parser.py | 896 ++++++++++
.../src/main/python/jinja2/jinja2/runtime.py | 544 ++++++
.../src/main/python/jinja2/jinja2/sandbox.py | 271 +++
.../src/main/python/jinja2/jinja2/tests.py | 146 ++
.../python/jinja2/jinja2/testsuite/__init__.py | 95 +
.../main/python/jinja2/jinja2/testsuite/api.py | 240 +++
.../python/jinja2/jinja2/testsuite/core_tags.py | 286 +++
.../python/jinja2/jinja2/testsuite/debug.py | 60 +
.../python/jinja2/jinja2/testsuite/doctests.py | 29 +
.../main/python/jinja2/jinja2/testsuite/ext.py | 455 +++++
.../python/jinja2/jinja2/testsuite/filters.py | 291 ++++
.../python/jinja2/jinja2/testsuite/imports.py | 144 ++
.../jinja2/jinja2/testsuite/inheritance.py | 208 +++
.../python/jinja2/jinja2/testsuite/lexnparse.py | 390 +++++
.../python/jinja2/jinja2/testsuite/loader.py | 191 ++
.../jinja2/jinja2/testsuite/regression.py | 258 +++
.../jinja2/jinja2/testsuite/res/__init__.py | 0
.../jinja2/testsuite/res/templates/broken.html | 3 +
.../testsuite/res/templates/foo/test.html | 1 +
.../testsuite/res/templates/syntaxerror.html | 4 +
.../jinja2/testsuite/res/templates/test.html | 1 +
.../python/jinja2/jinja2/testsuite/security.py | 134 ++
.../python/jinja2/jinja2/testsuite/tests.py | 87 +
.../python/jinja2/jinja2/testsuite/utils.py | 85 +
.../src/main/python/jinja2/jinja2/utils.py | 601 +++++++
.../src/main/python/jinja2/jinja2/visitor.py | 87 +
.../src/main/python/jinja2/scripts/pylintrc | 301 ++++
ambari-common/src/main/python/jinja2/setup.cfg | 6 +
ambari-common/src/main/python/jinja2/setup.py | 110 ++
128 files changed, 21439 insertions(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/LICENSE.txt
----------------------------------------------------------------------
diff --git a/LICENSE.txt b/LICENSE.txt
index ffa9134..795eb37 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -316,3 +316,37 @@ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+For jinja2, used by resource management library as a templating engine:
+
+Copyright (c) 2009 by the Jinja Team, see AUTHORS for more details.
+
+Some rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+
+ * The names of the contributors may not be used to endorse or
+ promote products derived from this software without specific
+ prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/NOTICE.txt
----------------------------------------------------------------------
diff --git a/NOTICE.txt b/NOTICE.txt
index 755215e..9e59af8 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -14,3 +14,9 @@ Resource management library derived from Kokki, which is under following copyrig
Copyright (c) 2009 Samuel Stauffer <sa...@descolada.com>
All rights reserved.
+
+Jinja2, the templating library used by resource management library:
+
+Copyright (c) 2009 by the Jinja Team, see AUTHORS for more details.
+Some rights reserved.
+
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-agent/pom.xml
----------------------------------------------------------------------
diff --git a/ambari-agent/pom.xml b/ambari-agent/pom.xml
index 6fdbe54..1b3c579 100644
--- a/ambari-agent/pom.xml
+++ b/ambari-agent/pom.xml
@@ -41,6 +41,7 @@
<puppet.tar>http://downloads.puppetlabs.com/puppet/puppet-2.7.9.tar.gz</puppet.tar>
<agent.install.dir>/usr/lib/python2.6/site-packages/ambari_agent</agent.install.dir>
<resmgmt.install.dir>/usr/lib/python2.6/site-packages/resource_management</resmgmt.install.dir>
+ <jinja.install.dir>/usr/lib64/python2.6/site-packages/jinja2</jinja.install.dir>
<ruby.tar>http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.15/repos/centos6/ruby-1.8.7-p370.tar.gz</ruby.tar>
<lib.dir>/usr/lib/ambari-agent/lib</lib.dir>
<python.ver>python >= 2.6</python.ver>
@@ -123,7 +124,7 @@
<argument>unitTests.py</argument>
</arguments>
<environmentVariables>
- <PYTHONPATH>${project.basedir}/../ambari-common/src/test/python:${project.basedir}/src/main/python/ambari_agent:${project.basedir}/src/main/python/resource_management:${project.basedir}/src/main/puppet/modules/hdp-hadoop/files:$PYTHONPATH</PYTHONPATH>
+ <PYTHONPATH>${project.basedir}/../ambari-common/src/test/python:${project.basedir}/../ambari-common/src/main/python:${project.basedir}/src/main/python/ambari_agent:${project.basedir}/src/main/python/resource_management:${project.basedir}/src/main/puppet/modules/hdp-hadoop/files:$PYTHONPATH</PYTHONPATH>
</environmentVariables>
<skip>${skipTests}</skip>
</configuration>
@@ -219,6 +220,17 @@
</source>
</sources>
</mapping>
+ <mapping>
+ <directory>${jinja.install.dir}</directory>
+ <sources>
+ <source>
+ <location>${project.basedir}/../ambari-common/src/main/python/jinja2/jinja2</location>
+ <excludes>
+ <exclude>${project.basedir}/../ambari-common/src/main/python/jinja2/jinja2/testsuite</exclude>
+ </excludes>
+ </source>
+ </sources>
+ </mapping>
<mapping>
<directory>${lib.dir}/examples</directory>
<filemode>755</filemode>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/AUTHORS
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/AUTHORS b/ambari-common/src/main/python/jinja2/AUTHORS
new file mode 100644
index 0000000..c6cd9ba
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/AUTHORS
@@ -0,0 +1,31 @@
+Jinja is written and maintained by the Jinja Team and various
+contributors:
+
+Lead Developer:
+
+- Armin Ronacher <ar...@active-4.com>
+
+Developers:
+
+- Christoph Hack
+- Georg Brandl
+
+Contributors:
+
+- Bryan McLemore
+- Mickaël Guérin <ka...@crocobox.org>
+- Cameron Knight
+- Lawrence Journal-World.
+- David Cramer
+
+Patches and suggestions:
+
+- Ronny Pfannschmidt
+- Axel Böhm
+- Alexey Melchakov
+- Bryan McLemore
+- Clovis Fabricio (nosklo)
+- Cameron Knight
+- Peter van Dijk (Habbie)
+- Stefan Ebner
+- Rene Leonhardt
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/CHANGES
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/CHANGES b/ambari-common/src/main/python/jinja2/CHANGES
new file mode 100644
index 0000000..2a49c64
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/CHANGES
@@ -0,0 +1,235 @@
+Jinja2 Changelog
+================
+
+Version 2.5.5
+-------------
+(re-release of 2.5.4 with built documentation removed for filesize.
+ Released on October 18th 2010)
+
+- built documentation is no longer part of release.
+
+Version 2.5.4
+-------------
+(bugfix release, released on October 17th 2010)
+
+- Fixed extensions not loading properly with overlays.
+- Work around a bug in cpython for the debugger that causes segfaults
+ on 64bit big-endian architectures.
+
+Version 2.5.3
+-------------
+(bugfix release, released on October 17th 2010)
+
+- fixed an operator precedence error introduced in 2.5.2. Statements
+ like "-foo.bar" had their implicit parentheses applied around the
+ first part of the expression ("(-foo).bar") instead of the more
+ correct "-(foo.bar)".
+
+Version 2.5.2
+-------------
+(bugfix release, released on August 18th 2010)
+
+- improved setup.py script to better work with assumptions people
+ might still have from it (``--with-speedups``).
+- fixed a packaging error that excluded the new debug support.
+
+Version 2.5.1
+-------------
+(bugfix release, released on August 17th 2010)
+
+- StopIteration exceptions raised by functions called from templates
+ are now intercepted and converted to undefineds. This solves a
+ lot of debugging grief. (StopIteration is used internally to
+ abort template execution)
+- improved performance of macro calls slightly.
+- babel extraction can now properly extract newstyle gettext calls.
+- using the variable `num` in newstyle gettext for something else
+ than the pluralize count will no longer raise a :exc:`KeyError`.
+- removed builtin markup class and switched to markupsafe. For backwards
+ compatibility the pure Python implementation still exists but is
+ pulled from markupsafe by the Jinja2 developers. The debug support
+ went into a separate feature called "debugsupport" and is disabled
+ by default because it is only relevant for Python 2.4
+- fixed an issue with unary operators having the wrong precendence.
+
+Version 2.5
+-----------
+(codename Incoherence, relased on May 29th 2010)
+
+- improved the sort filter (should have worked like this for a
+ long time) by adding support for case insensitive searches.
+- fixed a bug for getattribute constant folding.
+- support for newstyle gettext translations which result in a
+ nicer in-template user interface and more consistent
+ catalogs. (:ref:`newstyle-gettext`)
+- it's now possible to register extensions after an environment
+ was created.
+
+Version 2.4.1
+-------------
+(bugfix release, released on April 20th 2010)
+
+- fixed an error reporting bug for undefineds.
+
+Version 2.4
+-----------
+(codename Correlation, released on April 13th 2010)
+
+- the environment template loading functions now transparently
+ pass through a template object if it was passed to it. This
+ makes it possible to import or extend from a template object
+ that was passed to the template.
+- added a :class:`ModuleLoader` that can load templates from
+ precompiled sources. The environment now features a method
+ to compile the templates from a configured loader into a zip
+ file or folder.
+- the _speedups C extension now supports Python 3.
+- added support for autoescaping toggling sections and support
+ for evaluation contexts (:ref:`eval-context`).
+- extensions have a priority now.
+
+Version 2.3.1
+-------------
+(bugfix release, released on February 19th 2010)
+
+- fixed an error reporting bug on all python versions
+- fixed an error reporting bug on Python 2.4
+
+Version 2.3
+-----------
+(3000 Pythons, released on February 10th 2010)
+
+- fixes issue with code generator that causes unbound variables
+ to be generated if set was used in if-blocks and other small
+ identifier problems.
+- include tags are now able to select between multiple templates
+ and take the first that exists, if a list of templates is
+ given.
+- fixed a problem with having call blocks in outer scopes that
+ have an argument that is also used as local variable in an
+ inner frame (#360).
+- greatly improved error message reporting (#339)
+- implicit tuple expressions can no longer be totally empty.
+ This change makes ``{% if %}...{% endif %}`` a syntax error
+ now. (#364)
+- added support for translator comments if extracted via babel.
+- added with-statement extension.
+- experimental Python 3 support.
+
+Version 2.2.1
+-------------
+(bugfix release, released on September 14th 2009)
+
+- fixes some smaller problems for Jinja2 on Jython.
+
+Version 2.2
+-----------
+(codename Kong, released on September 13th 2009)
+
+- Include statements can now be marked with ``ignore missing`` to skip
+ non existing templates.
+- Priority of `not` raised. It's now possible to write `not foo in bar`
+ as an alias to `foo not in bar` like in python. Previously the grammar
+ required parentheses (`not (foo in bar)`) which was odd.
+- Fixed a bug that caused syntax errors when defining macros or using the
+ `{% call %}` tag inside loops.
+- Fixed a bug in the parser that made ``{{ foo[1, 2] }}`` impossible.
+- Made it possible to refer to names from outer scopes in included templates
+ that were unused in the callers frame (#327)
+- Fixed a bug that caused internal errors if names where used as iteration
+ variable and regular variable *after* the loop if that variable was unused
+ *before* the loop. (#331)
+- Added support for optional `scoped` modifier to blocks.
+- Added support for line-comments.
+- Added the `meta` module.
+- Renamed (undocumented) attribute "overlay" to "overlayed" on the
+ environment because it was clashing with a method of the same name.
+- speedup extension is now disabled by default.
+
+Version 2.1.1
+-------------
+(Bugfix release)
+
+- Fixed a translation error caused by looping over empty recursive loops.
+
+Version 2.1
+-----------
+(codename Yasuzō, released on November 23rd 2008)
+
+- fixed a bug with nested loops and the special loop variable. Before the
+ change an inner loop overwrote the loop variable from the outer one after
+ iteration.
+
+- fixed a bug with the i18n extension that caused the explicit pluralization
+ block to look up the wrong variable.
+
+- fixed a limitation in the lexer that made ``{{ foo.0.0 }}`` impossible.
+
+- index based subscribing of variables with a constant value returns an
+ undefined object now instead of raising an index error. This was a bug
+ caused by eager optimizing.
+
+- the i18n extension looks up `foo.ugettext` now followed by `foo.gettext`
+ if an translations object is installed. This makes dealing with custom
+ translations classes easier.
+
+- fixed a confusing behavior with conditional extending. loops were partially
+ executed under some conditions even though they were not part of a visible
+ area.
+
+- added `sort` filter that works like `dictsort` but for arbitrary sequences.
+
+- fixed a bug with empty statements in macros.
+
+- implemented a bytecode cache system. (:ref:`bytecode-cache`)
+
+- the template context is now weakref-able
+
+- inclusions and imports "with context" forward all variables now, not only
+ the initial context.
+
+- added a cycle helper called `cycler`.
+
+- added a joining helper called `joiner`.
+
+- added a `compile_expression` method to the environment that allows compiling
+ of Jinja expressions into callable Python objects.
+
+- fixed an escaping bug in urlize
+
+Version 2.0
+-----------
+(codename jinjavitus, released on July 17th 2008)
+
+- the subscribing of objects (looking up attributes and items) changed from
+ slightly. It's now possible to give attributes or items a higher priority
+ by either using dot-notation lookup or the bracket syntax. This also
+ changed the AST slightly. `Subscript` is gone and was replaced with
+ :class:`~jinja2.nodes.Getitem` and :class:`~jinja2.nodes.Getattr`.
+
+ For more information see :ref:`the implementation details <notes-on-subscriptions>`.
+
+- added support for preprocessing and token stream filtering for extensions.
+ This would allow extensions to allow simplified gettext calls in template
+ data and something similar.
+
+- added :meth:`jinja2.environment.TemplateStream.dump`.
+
+- added missing support for implicit string literal concatenation.
+ ``{{ "foo" "bar" }}`` is equivalent to ``{{ "foobar" }}``
+
+- `else` is optional for conditional expressions. If not given it evaluates
+ to `false`.
+
+- improved error reporting for undefined values by providing a position.
+
+- `filesizeformat` filter uses decimal prefixes now per default and can be
+ set to binary mode with the second parameter.
+
+- fixed bug in finalizer
+
+Version 2.0rc1
+--------------
+(no codename, released on June 9th 2008)
+
+- first release of Jinja2
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/LICENSE
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/LICENSE b/ambari-common/src/main/python/jinja2/LICENSE
new file mode 100644
index 0000000..31bf900
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/LICENSE
@@ -0,0 +1,31 @@
+Copyright (c) 2009 by the Jinja Team, see AUTHORS for more details.
+
+Some rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+
+ * The names of the contributors may not be used to endorse or
+ promote products derived from this software without specific
+ prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/MANIFEST.in
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/MANIFEST.in b/ambari-common/src/main/python/jinja2/MANIFEST.in
new file mode 100644
index 0000000..aeb66af
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/MANIFEST.in
@@ -0,0 +1,12 @@
+include MANIFEST.in Makefile CHANGES LICENSE AUTHORS jinja2/_debugsupport.c
+recursive-include docs *
+recursive-include custom_fixers *
+recursive-include ext *
+recursive-include artwork *
+recursive-include examples *
+recursive-include jinja2/testsuite/res *
+recursive-exclude docs/_build *
+recursive-exclude jinja2 *.pyc
+recursive-exclude docs *.pyc
+recursive-exclude jinja2 *.pyo
+recursive-exclude docs *.pyo
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/Makefile
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/Makefile b/ambari-common/src/main/python/jinja2/Makefile
new file mode 100644
index 0000000..60ca1d7
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/Makefile
@@ -0,0 +1,4 @@
+test:
+ python setup.py test
+
+.PHONY: test
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/artwork/jinjalogo.svg
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/artwork/jinjalogo.svg b/ambari-common/src/main/python/jinja2/artwork/jinjalogo.svg
new file mode 100644
index 0000000..0bc9ea4
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2416,76.135534 253.19019,74.331856"
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+ id="path4735" />
+ </g>
+</svg>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/custom_fixers/__init__.py
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diff --git a/ambari-common/src/main/python/jinja2/custom_fixers/__init__.py b/ambari-common/src/main/python/jinja2/custom_fixers/__init__.py
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/custom_fixers/fix_alt_unicode.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/custom_fixers/fix_alt_unicode.py b/ambari-common/src/main/python/jinja2/custom_fixers/fix_alt_unicode.py
new file mode 100644
index 0000000..96a81c1
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/custom_fixers/fix_alt_unicode.py
@@ -0,0 +1,13 @@
+from lib2to3 import fixer_base
+from lib2to3.fixer_util import Name, BlankLine
+
+
+class FixAltUnicode(fixer_base.BaseFix):
+ PATTERN = """
+ func=funcdef< 'def' name='__unicode__'
+ parameters< '(' NAME ')' > any+ >
+ """
+
+ def transform(self, node, results):
+ name = results['name']
+ name.replace(Name('__str__', prefix=name.prefix))
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/custom_fixers/fix_broken_reraising.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/custom_fixers/fix_broken_reraising.py b/ambari-common/src/main/python/jinja2/custom_fixers/fix_broken_reraising.py
new file mode 100644
index 0000000..fd0ea68
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/custom_fixers/fix_broken_reraising.py
@@ -0,0 +1,21 @@
+from lib2to3 import fixer_base, pytree
+from lib2to3.fixer_util import Name, BlankLine, Name, Attr, ArgList
+
+
+class FixBrokenReraising(fixer_base.BaseFix):
+ PATTERN = """
+ raise_stmt< 'raise' any ',' val=any ',' tb=any >
+ """
+
+ # run before the broken 2to3 checker with the same goal
+ # tries to rewrite it with a rule that does not work out for jinja
+ run_order = 1
+
+ def transform(self, node, results):
+ tb = results['tb'].clone()
+ tb.prefix = ''
+ with_tb = Attr(results['val'].clone(), Name('with_traceback')) + \
+ [ArgList([tb])]
+ new = pytree.Node(self.syms.simple_stmt, [Name("raise")] + with_tb)
+ new.prefix = node.prefix
+ return new
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/custom_fixers/fix_xrange2.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/custom_fixers/fix_xrange2.py b/ambari-common/src/main/python/jinja2/custom_fixers/fix_xrange2.py
new file mode 100644
index 0000000..5d35e50
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/custom_fixers/fix_xrange2.py
@@ -0,0 +1,11 @@
+from lib2to3 import fixer_base
+from lib2to3.fixer_util import Name, BlankLine
+
+
+# whyever this is necessary..
+
+class FixXrange2(fixer_base.BaseFix):
+ PATTERN = "'xrange'"
+
+ def transform(self, node, results):
+ node.replace(Name('range', prefix=node.prefix))
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/Makefile
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/docs/Makefile b/ambari-common/src/main/python/jinja2/docs/Makefile
new file mode 100644
index 0000000..5e24ec1
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/Makefile
@@ -0,0 +1,75 @@
+# Makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS =
+SPHINXBUILD = sphinx-build
+PAPER =
+
+# Internal variables.
+PAPEROPT_a4 = -D latex_paper_size=a4
+PAPEROPT_letter = -D latex_paper_size=letter
+ALLSPHINXOPTS = -d _build/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+
+.PHONY: help clean html web pickle htmlhelp latex changes linkcheck
+
+help:
+ @echo "Please use \`make <target>' where <target> is one of"
+ @echo " html to make standalone HTML files"
+ @echo " pickle to make pickle files"
+ @echo " json to make JSON files"
+ @echo " htmlhelp to make HTML files and a HTML help project"
+ @echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+ @echo " changes to make an overview over all changed/added/deprecated items"
+ @echo " linkcheck to check all external links for integrity"
+
+clean:
+ -rm -rf _build/*
+
+html:
+ mkdir -p _build/html _build/doctrees
+ $(SPHINXBUILD) -b html $(ALLSPHINXOPTS) _build/html
+ @echo
+ @echo "Build finished. The HTML pages are in _build/html."
+
+pickle:
+ mkdir -p _build/pickle _build/doctrees
+ $(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) _build/pickle
+ @echo
+ @echo "Build finished; now you can process the pickle files"
+
+json:
+ mkdir -p _build/json _build/doctrees
+ $(SPHINXBUILD) -b json $(ALLSPHINXOPTS) _build/json
+ @echo
+ @echo "Build finished; now you can process the json files"
+
+web: pickle
+
+htmlhelp:
+ mkdir -p _build/htmlhelp _build/doctrees
+ $(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) _build/htmlhelp
+ @echo
+ @echo "Build finished; now you can run HTML Help Workshop with the" \
+ ".hhp project file in _build/htmlhelp."
+
+latex:
+ mkdir -p _build/latex _build/doctrees
+ $(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) _build/latex
+ @echo
+ @echo "Build finished; the LaTeX files are in _build/latex."
+ @echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \
+ "run these through (pdf)latex."
+
+changes:
+ mkdir -p _build/changes _build/doctrees
+ $(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) _build/changes
+ @echo
+ @echo "The overview file is in _build/changes."
+
+linkcheck:
+ mkdir -p _build/linkcheck _build/doctrees
+ $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) _build/linkcheck
+ @echo
+ @echo "Link check complete; look for any errors in the above output " \
+ "or in _build/linkcheck/output.txt."
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_build/.ignore
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/docs/_build/.ignore b/ambari-common/src/main/python/jinja2/docs/_build/.ignore
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_static/.ignore
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/docs/_static/.ignore b/ambari-common/src/main/python/jinja2/docs/_static/.ignore
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_static/jinja.js
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diff --git a/ambari-common/src/main/python/jinja2/docs/_static/jinja.js b/ambari-common/src/main/python/jinja2/docs/_static/jinja.js
new file mode 100644
index 0000000..1c04218
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/_static/jinja.js
@@ -0,0 +1,26 @@
+$(function() {
+
+ var
+ toc = $('#toc').show(),
+ items = $('#toc > ul').hide();
+
+ $('#toc h3')
+ .click(function() {
+ if (items.is(':visible')) {
+ items.animate({
+ height: 'hide',
+ opacity: 'hide'
+ }, 300, function() {
+ toc.removeClass('expandedtoc');
+ });
+ }
+ else {
+ items.animate({
+ height: 'show',
+ opacity: 'show'
+ }, 400);
+ toc.addClass('expandedtoc');
+ }
+ });
+
+});
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_static/print.css
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diff --git a/ambari-common/src/main/python/jinja2/docs/_static/print.css b/ambari-common/src/main/python/jinja2/docs/_static/print.css
new file mode 100644
index 0000000..fb633d8
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/_static/print.css
@@ -0,0 +1,5 @@
+div.header, div.relnav, #toc { display: none; }
+#contentwrapper { padding: 0; margin: 0; border: none; }
+body { color: black; background-color: white; }
+div.footer { border-top: 1px solid #888; color: #888; margin-top: 1cm; }
+div.footer a { text-decoration: none; }
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_static/style.css
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diff --git a/ambari-common/src/main/python/jinja2/docs/_static/style.css b/ambari-common/src/main/python/jinja2/docs/_static/style.css
new file mode 100644
index 0000000..a1c4d59
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/_static/style.css
@@ -0,0 +1,390 @@
+body {
+ background-color: #222;
+ margin: 0;
+ padding: 0;
+ font-family: 'Georgia', serif;
+ font-size: 15px;
+ color: #eee;
+}
+
+div.footer {
+ border-top: 1px solid #111;
+ padding: 8px;
+ font-size: 11px;
+ text-align: center;
+ letter-spacing: 0.5px;
+}
+
+div.footer a {
+ color: #eee;
+}
+
+div.header {
+ margin: 0 -15px 0 -15px;
+ background: url(headerbg.png) repeat-x;
+ border-top: 6px solid #D20000;
+}
+
+div.relnav {
+ border-bottom: 1px solid #111;
+ background: url(navigation.png);
+ margin: 0 -15px 0 -15px;
+ padding: 2px 20px 0 28px;
+ line-height: 25px;
+ color: #aaa;
+ font-size: 12px;
+ text-align: center;
+}
+
+div.relnav a {
+ color: #eee;
+ font-weight: bold;
+ text-decoration: none;
+}
+
+div.relnav a:hover {
+ text-decoration: underline;
+}
+
+#content {
+ background-color: white;
+ color: #111;
+ border-bottom: 1px solid black;
+ background: url(watermark.png) center 0;
+ padding: 0 15px 0 15px;
+ margin: 0;
+}
+
+h1 {
+ margin: 0;
+ padding: 15px 0 0 0;
+}
+
+h1.heading {
+ margin: 0;
+ padding: 0;
+ height: 80px;
+}
+
+h1.heading:hover {
+ background: #222;
+}
+
+h1.heading a {
+ background: url(jinjabanner.png) no-repeat center 0;
+ display: block;
+ width: 100%;
+ height: 80px;
+}
+
+h1.heading a:focus {
+ -moz-outline: none;
+ outline: none;
+}
+
+h1.heading span {
+ display: none;
+}
+
+#jinjalogo {
+ background-image: url(jinjalogo.png);
+ background-repeat: no-repeat;
+ width: 400px;
+ height: 160px;
+}
+
+#contentwrapper {
+ max-width: 680px;
+ padding: 0 18px 20px 18px;
+ margin: 0 auto 0 auto;
+ border-right: 1px solid #eee;
+ border-left: 1px solid #eee;
+ background: url(watermark_blur.png) center -114px;
+}
+
+#contentwrapper h2,
+#contentwrapper h2 a {
+ color: #222;
+ font-size: 24px;
+ margin: 20px 0 0 0;
+}
+
+#contentwrapper h3,
+#contentwrapper h3 a {
+ color: #b41717;
+ font-size: 20px;
+ margin: 20px 0 0 0;
+}
+
+table.docutils {
+ border-collapse: collapse;
+ border: 2px solid #aaa;
+ margin: 0.5em 1.5em 0.5em 1.5em;
+}
+
+table.docutils td {
+ padding: 2px;
+ border: 1px solid #ddd;
+}
+
+p, li, dd, dt, blockquote {
+ color: #333;
+}
+
+blockquote {
+ margin: 10px 0 10px 20px;
+}
+
+p {
+ line-height: 20px;
+ margin-bottom: 0;
+ margin-top: 10px;
+}
+
+hr {
+ border-top: 1px solid #ccc;
+ border-bottom: 0;
+ border-right: 0;
+ border-left: 0;
+ margin-bottom: 10px;
+ margin-top: 20px;
+}
+
+dl {
+ margin-left: 10px;
+}
+
+li, dt {
+ margin-top: 5px;
+}
+
+dt {
+ font-weight: bold;
+ color: #000;
+}
+
+dd {
+ margin-top: 10px;
+ line-height: 20px;
+}
+
+th {
+ text-align: left;
+ padding: 3px;
+ background-color: #f2f2f2;
+}
+
+a {
+ color: #b41717;
+}
+
+a:hover {
+ color: #444;
+}
+
+pre {
+ background: #ededed url(metal.png);
+ border-top: 1px solid #ccc;
+ border-bottom: 1px solid #ccc;
+ padding: 5px;
+ font-size: 13px;
+ font-family: 'Bitstream Vera Sans Mono', 'Monaco', monospace;
+}
+
+tt {
+ font-size: 13px;
+ font-family: 'Bitstream Vera Sans Mono', 'Monaco', monospace;
+ color: black;
+ padding: 1px 2px 1px 2px;
+ background-color: #fafafa;
+ border-bottom: 1px solid #eee;
+}
+
+a.reference:hover tt {
+ border-bottom-color: #aaa;
+}
+
+cite {
+ /* abusing <cite>, it's generated by ReST for `x` */
+ font-size: 13px;
+ font-family: 'Bitstream Vera Sans Mono', 'Monaco', monospace;
+ font-weight: bold;
+ font-style: normal;
+}
+
+div.admonition {
+ margin: 10px 0 10px 0;
+ padding: 10px 10px 10px 60px;
+ border: 1px solid #ccc;
+}
+
+div.admonition p.admonition-title {
+ background-color: #b41717;
+ color: white;
+ margin: -10px -10px 10px -60px;
+ padding: 4px 10px 4px 10px;
+ font-weight: bold;
+ font-size: 15px;
+}
+
+div.admonition p.admonition-title a {
+ color: white!important;
+}
+
+div.admonition-note {
+ background: url(note.png) no-repeat 10px 40px;
+}
+
+div.admonition-implementation {
+ background: url(implementation.png) no-repeat 10px 40px;
+}
+
+a.headerlink {
+ color: #B4B4B4!important;
+ font-size: 0.8em;
+ padding: 0 4px 0 4px;
+ text-decoration: none!important;
+ visibility: hidden;
+}
+
+h1:hover > a.headerlink,
+h2:hover > a.headerlink,
+h3:hover > a.headerlink,
+h4:hover > a.headerlink,
+h5:hover > a.headerlink,
+h6:hover > a.headerlink,
+dt:hover > a.headerlink,
+dt:hover > a.headerlink {
+ visibility: visible;
+}
+
+a.headerlink:hover {
+ background-color: #B4B4B4;
+ color: #F0F0F0!important;
+}
+
+table.indextable {
+ width: 100%;
+}
+
+table.indextable td {
+ vertical-align: top;
+ width: 50%;
+}
+
+table.indextable dl dd {
+ font-size: 11px;
+}
+
+table.indextable dl dd a {
+ color: #000;
+}
+
+dl.function dt,
+dl.class dt,
+dl.exception dt,
+dl.method dt,
+dl.attribute dt {
+ font-weight: normal;
+}
+
+dt .descname {
+ font-weight: bold;
+ margin-right: 4px;
+}
+
+dt .descname, dt .descclassname {
+ padding: 0;
+ background: transparent;
+ border-bottom: 1px solid #111;
+}
+
+dt .descclassname {
+ margin-left: 2px;
+}
+
+dl dt big {
+ font-size: 100%;
+}
+
+ul.search {
+ margin: 10px 0 0 30px;
+ padding: 0;
+}
+
+ul.search li {
+ margin: 10px 0 0 0;
+ padding: 0;
+}
+
+ul.search div.context {
+ font-size: 12px;
+ padding: 4px 0 0 20px;
+ color: #888;
+}
+
+span.highlight {
+ background-color: #eee;
+ border: 1px solid #ccc;
+}
+
+#toc {
+ margin: 0 -17px 0 -17px;
+ display: none;
+}
+
+#toc h3 {
+ float: right;
+ margin: 5px 5px 0 0;
+ padding: 0;
+ font-size: 12px;
+ color: #777;
+}
+
+#toc h3:hover {
+ color: #333;
+ cursor: pointer;
+}
+
+.expandedtoc {
+ background: #222 url(darkmetal.png);
+ border-bottom: 1px solid #111;
+ outline-bottom: 1px solid #000;
+ padding: 5px;
+}
+
+.expandedtoc h3 {
+ color: #aaa;
+ margin: 0!important;
+}
+
+.expandedtoc h3:hover {
+ color: white!important;
+}
+
+#tod h3:hover {
+ color: white;
+}
+
+#toc a {
+ color: #ddd;
+ text-decoration: none;
+}
+
+#toc a:hover {
+ color: white;
+ text-decoration: underline;
+}
+
+#toc ul {
+ margin: 5px 0 12px 17px;
+ padding: 0 7px 0 7px;
+}
+
+#toc ul ul {
+ margin-bottom: 0;
+}
+
+#toc ul li {
+ margin: 2px 0 0 0;
+}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/.ignore
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/.ignore b/ambari-common/src/main/python/jinja2/docs/_templates/.ignore
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/genindex.html
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/genindex.html b/ambari-common/src/main/python/jinja2/docs/_templates/genindex.html
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index 0000000..9add6e9
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+++ b/ambari-common/src/main/python/jinja2/docs/_templates/genindex.html
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+{% extends "layout.html" %}
+{% set title = 'Index' %}
+{% block body %}
+
+ <h1 id="index">Index</h1>
+
+ {% for key, dummy in genindexentries -%}
+ <a href="#{{ key }}"><strong>{{ key }}</strong></a> {% if not loop.last %}| {% endif %}
+ {%- endfor %}
+ <hr>
+
+ {% for key, entries in genindexentries %}
+ <h2 id="{{ key }}">{{ key }}</h2>
+ <table class="indextable"><tr>
+ {%- for column in entries|slice(2) if column %}
+ <td><dl>
+ {%- for entryname, (links, subitems) in column %}
+ <dt>{% if links %}<a href="{{ links[0] }}">{{ entryname|e }}</a>
+ {% for link in links[1:] %}, <a href="{{ link }}">[Link]</a>{% endfor %}
+ {%- else %}{{ entryname|e }}{% endif %}</dt>
+ {%- if subitems %}
+ <dd><dl>
+ {%- for subentryname, subentrylinks in subitems %}
+ <dt><a href="{{ subentrylinks[0] }}">{{ subentryname|e }}</a>
+ {%- for link in subentrylinks[1:] %}, <a href="{{ link }}">[Link]</a>{% endfor -%}
+ </dt>
+ {%- endfor %}
+ </dl></dd>
+ {%- endif -%}
+ {%- endfor %}
+ </dl></td>
+ {%- endfor %}
+ </tr></table>
+ {% endfor %}
+
+{% endblock %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/layout.html
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/layout.html b/ambari-common/src/main/python/jinja2/docs/_templates/layout.html
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index 0000000..f682f90
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+++ b/ambari-common/src/main/python/jinja2/docs/_templates/layout.html
@@ -0,0 +1,77 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <title>Jinja2 Documentation</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <link rel="stylesheet" href="{{ pathto('_static/style.css', 1) }}" type="text/css">
+ <link rel="stylesheet" href="{{ pathto('_static/print.css', 1) }}" type="text/css" media="print">
+ <link rel="stylesheet" href="{{ pathto('_static/pygments.css', 1) }}" type="text/css">
+ {%- if builder != 'htmlhelp' %}
+ <script type="text/javascript">
+ var DOCUMENTATION_OPTIONS = {
+ URL_ROOT: '{{ pathto("", 1) }}',
+ VERSION: '{{ release }}'
+ };
+ </script>
+ <script type="text/javascript" src="{{ pathto('_static/jquery.js', 1) }}"></script>
+ <script type="text/javascript" src="{{ pathto('_static/interface.js', 1) }}"></script>
+ <script type="text/javascript" src="{{ pathto('_static/doctools.js', 1) }}"></script>
+ <script type="text/javascript" src="{{ pathto('_static/jinja.js', 1) }}"></script>
+ {%- endif %}
+ {%- if use_opensearch and builder != 'htmlhelp' %}
+ <link rel="search" type="application/opensearchdescription+xml"
+ title="Search within {{ docstitle }}"
+ href="{{ pathto('_static/opensearch.xml', 1) }}">
+ {%- endif %}
+ {%- if hasdoc('about') %}
+ <link rel="author" title="About these documents" href="{{ pathto('about') }}">
+ {%- endif %}
+ <link rel="contents" title="Global table of contents" href="{{ pathto('contents') }}">
+ <link rel="index" title="Global index" href="{{ pathto('genindex') }}">
+ <link rel="search" title="Search" href="{{ pathto('search') }}">
+ {%- if hasdoc('copyright') %}
+ <link rel="copyright" title="Copyright" href="{{ pathto('copyright') }}">
+ {%- endif %}
+ <link rel="top" title="{{ docstitle }}" href="{{ pathto('index') }}">
+ {%- if parents %}
+ <link rel="up" title="{{ parents[-1].title|striptags }}" href="{{ parents[-1].link|e }}">
+ {%- endif %}
+ {%- if next %}
+ <link rel="next" title="{{ next.title|striptags }}" href="{{ next.link|e }}">
+ {%- endif %}
+ {%- if prev %}
+ <link rel="prev" title="{{ prev.title|striptags }}" href="{{ prev.link|e }}">
+ {%- endif %}
+ {% block extrahead %}{% endblock %}
+ </head>
+ <body>
+ <div id="content">
+ <div class="header">
+ <h1 class="heading"><a href="{{ pathto('index') }}"
+ title="back to the documentation overview"><span>Jinja</span></a></h1>
+ </div>
+ <div class="relnav">
+ {%- if prev %}
+ <a href="{{ prev.link|e }}">« {{ prev.title }}</a> |
+ {%- endif %}
+ <a href="{{ pathto(current_page_name) if current_page_name else '#' }}">{{ title }}</a>
+ {%- if next %}
+ | <a href="{{ next.link|e }}">{{ next.title }} »</a>
+ {%- endif %}
+ </div>
+ <div id="contentwrapper">
+ {%- if display_toc %}
+ <div id="toc">
+ <h3>Table Of Contents</h3>
+ {{ toc }}
+ </div>
+ {%- endif %}
+ {% block body %}{% endblock %}
+ </div>
+ </div>
+ <div class="footer">
+ © Copyright 2010 by the <a href="http://pocoo.org/">Pocoo Team</a>,
+ documentation generated by <a href="http://sphinx.pocoo.org/">Sphinx</a>
+ </div>
+ </body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/opensearch.xml
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/opensearch.xml b/ambari-common/src/main/python/jinja2/docs/_templates/opensearch.xml
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index 0000000..9f2fa42
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/docs/_templates/opensearch.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+ <ShortName>{{ project }}</ShortName>
+ <Description>Search {{ docstitle }}</Description>
+ <InputEncoding>utf-8</InputEncoding>
+ <Url type="text/html" method="get"
+ template="{{ use_opensearch }}/{{ pathto('search') }}?q={searchTerms}&check_keywords=yes&area=default"/>
+ <LongName>{{ docstitle }}</LongName>
+</OpenSearchDescription>
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/page.html
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/page.html b/ambari-common/src/main/python/jinja2/docs/_templates/page.html
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index 0000000..ee6cad3
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+++ b/ambari-common/src/main/python/jinja2/docs/_templates/page.html
@@ -0,0 +1,4 @@
+{% extends 'layout.html' %}
+{% block body %}
+ {{ body }}
+{% endblock %}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/docs/_templates/search.html
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diff --git a/ambari-common/src/main/python/jinja2/docs/_templates/search.html b/ambari-common/src/main/python/jinja2/docs/_templates/search.html
new file mode 100644
index 0000000..0c942b7
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+++ b/ambari-common/src/main/python/jinja2/docs/_templates/search.html
@@ -0,0 +1,35 @@
+{% extends "layout.html" %}
+{% set title = 'Search' %}
+{% block extrahead %}
+ <script type="text/javascript" src="{{ pathto('_static/searchtools.js', 1) }}"></script>
+{% endblock %}
+{% block body %}
+ <h1 id="search-documentation">Search</h1>
+ <p>
+ From here you can search these documents. Enter your search
+ words into the box below and click "search". Note that the search
+ function will automatically search for all of the words. Pages
+ containing less words won't appear in the result list.
+ </p>
+ <form action="" method="get"><p>
+ <input type="text" name="q" value="">
+ <input type="submit" value="search">
+ </p></form>
+ {% if search_performed %}
+ <h2>Search Results</h2>
+ {% if not search_results %}
+ <p>Your search did not match any results.</p>
+ {% endif %}
+ {% endif %}
+ <div id="search-results">
+ {% if search_results %}
+ <ul>
+ {% for href, caption, context in search_results %}
+ <li><a href="{{ pathto(item.href) }}">{{ caption }}</a>
+ <div class="context">{{ context|e }}</div>
+ </li>
+ {% endfor %}
+ </ul>
+ {% endif %}
+ </div>
+{% endblock %}
[05/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/environment.py
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diff --git a/ambari-common/src/main/python/jinja2/jinja2/environment.py b/ambari-common/src/main/python/jinja2/jinja2/environment.py
new file mode 100644
index 0000000..ac74a5c
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/environment.py
@@ -0,0 +1,1118 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.environment
+ ~~~~~~~~~~~~~~~~~~
+
+ Provides a class that holds runtime and parsing time options.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import sys
+from jinja2 import nodes
+from jinja2.defaults import *
+from jinja2.lexer import get_lexer, TokenStream
+from jinja2.parser import Parser
+from jinja2.optimizer import optimize
+from jinja2.compiler import generate
+from jinja2.runtime import Undefined, new_context
+from jinja2.exceptions import TemplateSyntaxError, TemplateNotFound, \
+ TemplatesNotFound
+from jinja2.utils import import_string, LRUCache, Markup, missing, \
+ concat, consume, internalcode, _encode_filename
+
+
+# for direct template usage we have up to ten living environments
+_spontaneous_environments = LRUCache(10)
+
+# the function to create jinja traceback objects. This is dynamically
+# imported on the first exception in the exception handler.
+_make_traceback = None
+
+
+def get_spontaneous_environment(*args):
+ """Return a new spontaneous environment. A spontaneous environment is an
+ unnamed and unaccessible (in theory) environment that is used for
+ templates generated from a string and not from the file system.
+ """
+ try:
+ env = _spontaneous_environments.get(args)
+ except TypeError:
+ return Environment(*args)
+ if env is not None:
+ return env
+ _spontaneous_environments[args] = env = Environment(*args)
+ env.shared = True
+ return env
+
+
+def create_cache(size):
+ """Return the cache class for the given size."""
+ if size == 0:
+ return None
+ if size < 0:
+ return {}
+ return LRUCache(size)
+
+
+def copy_cache(cache):
+ """Create an empty copy of the given cache."""
+ if cache is None:
+ return None
+ elif type(cache) is dict:
+ return {}
+ return LRUCache(cache.capacity)
+
+
+def load_extensions(environment, extensions):
+ """Load the extensions from the list and bind it to the environment.
+ Returns a dict of instanciated environments.
+ """
+ result = {}
+ for extension in extensions:
+ if isinstance(extension, basestring):
+ extension = import_string(extension)
+ result[extension.identifier] = extension(environment)
+ return result
+
+
+def _environment_sanity_check(environment):
+ """Perform a sanity check on the environment."""
+ assert issubclass(environment.undefined, Undefined), 'undefined must ' \
+ 'be a subclass of undefined because filters depend on it.'
+ assert environment.block_start_string != \
+ environment.variable_start_string != \
+ environment.comment_start_string, 'block, variable and comment ' \
+ 'start strings must be different'
+ assert environment.newline_sequence in ('\r', '\r\n', '\n'), \
+ 'newline_sequence set to unknown line ending string.'
+ return environment
+
+
+class Environment(object):
+ r"""The core component of Jinja is the `Environment`. It contains
+ important shared variables like configuration, filters, tests,
+ globals and others. Instances of this class may be modified if
+ they are not shared and if no template was loaded so far.
+ Modifications on environments after the first template was loaded
+ will lead to surprising effects and undefined behavior.
+
+ Here the possible initialization parameters:
+
+ `block_start_string`
+ The string marking the begin of a block. Defaults to ``'{%'``.
+
+ `block_end_string`
+ The string marking the end of a block. Defaults to ``'%}'``.
+
+ `variable_start_string`
+ The string marking the begin of a print statement.
+ Defaults to ``'{{'``.
+
+ `variable_end_string`
+ The string marking the end of a print statement. Defaults to
+ ``'}}'``.
+
+ `comment_start_string`
+ The string marking the begin of a comment. Defaults to ``'{#'``.
+
+ `comment_end_string`
+ The string marking the end of a comment. Defaults to ``'#}'``.
+
+ `line_statement_prefix`
+ If given and a string, this will be used as prefix for line based
+ statements. See also :ref:`line-statements`.
+
+ `line_comment_prefix`
+ If given and a string, this will be used as prefix for line based
+ based comments. See also :ref:`line-statements`.
+
+ .. versionadded:: 2.2
+
+ `trim_blocks`
+ If this is set to ``True`` the first newline after a block is
+ removed (block, not variable tag!). Defaults to `False`.
+
+ `newline_sequence`
+ The sequence that starts a newline. Must be one of ``'\r'``,
+ ``'\n'`` or ``'\r\n'``. The default is ``'\n'`` which is a
+ useful default for Linux and OS X systems as well as web
+ applications.
+
+ `extensions`
+ List of Jinja extensions to use. This can either be import paths
+ as strings or extension classes. For more information have a
+ look at :ref:`the extensions documentation <jinja-extensions>`.
+
+ `optimized`
+ should the optimizer be enabled? Default is `True`.
+
+ `undefined`
+ :class:`Undefined` or a subclass of it that is used to represent
+ undefined values in the template.
+
+ `finalize`
+ A callable that can be used to process the result of a variable
+ expression before it is output. For example one can convert
+ `None` implicitly into an empty string here.
+
+ `autoescape`
+ If set to true the XML/HTML autoescaping feature is enabled by
+ default. For more details about auto escaping see
+ :class:`~jinja2.utils.Markup`. As of Jinja 2.4 this can also
+ be a callable that is passed the template name and has to
+ return `True` or `False` depending on autoescape should be
+ enabled by default.
+
+ .. versionchanged:: 2.4
+ `autoescape` can now be a function
+
+ `loader`
+ The template loader for this environment.
+
+ `cache_size`
+ The size of the cache. Per default this is ``50`` which means
+ that if more than 50 templates are loaded the loader will clean
+ out the least recently used template. If the cache size is set to
+ ``0`` templates are recompiled all the time, if the cache size is
+ ``-1`` the cache will not be cleaned.
+
+ `auto_reload`
+ Some loaders load templates from locations where the template
+ sources may change (ie: file system or database). If
+ `auto_reload` is set to `True` (default) every time a template is
+ requested the loader checks if the source changed and if yes, it
+ will reload the template. For higher performance it's possible to
+ disable that.
+
+ `bytecode_cache`
+ If set to a bytecode cache object, this object will provide a
+ cache for the internal Jinja bytecode so that templates don't
+ have to be parsed if they were not changed.
+
+ See :ref:`bytecode-cache` for more information.
+ """
+
+ #: if this environment is sandboxed. Modifying this variable won't make
+ #: the environment sandboxed though. For a real sandboxed environment
+ #: have a look at jinja2.sandbox
+ sandboxed = False
+
+ #: True if the environment is just an overlay
+ overlayed = False
+
+ #: the environment this environment is linked to if it is an overlay
+ linked_to = None
+
+ #: shared environments have this set to `True`. A shared environment
+ #: must not be modified
+ shared = False
+
+ #: these are currently EXPERIMENTAL undocumented features.
+ exception_handler = None
+ exception_formatter = None
+
+ def __init__(self,
+ block_start_string=BLOCK_START_STRING,
+ block_end_string=BLOCK_END_STRING,
+ variable_start_string=VARIABLE_START_STRING,
+ variable_end_string=VARIABLE_END_STRING,
+ comment_start_string=COMMENT_START_STRING,
+ comment_end_string=COMMENT_END_STRING,
+ line_statement_prefix=LINE_STATEMENT_PREFIX,
+ line_comment_prefix=LINE_COMMENT_PREFIX,
+ trim_blocks=TRIM_BLOCKS,
+ newline_sequence=NEWLINE_SEQUENCE,
+ extensions=(),
+ optimized=True,
+ undefined=Undefined,
+ finalize=None,
+ autoescape=False,
+ loader=None,
+ cache_size=50,
+ auto_reload=True,
+ bytecode_cache=None):
+ # !!Important notice!!
+ # The constructor accepts quite a few arguments that should be
+ # passed by keyword rather than position. However it's important to
+ # not change the order of arguments because it's used at least
+ # internally in those cases:
+ # - spontaneus environments (i18n extension and Template)
+ # - unittests
+ # If parameter changes are required only add parameters at the end
+ # and don't change the arguments (or the defaults!) of the arguments
+ # existing already.
+
+ # lexer / parser information
+ self.block_start_string = block_start_string
+ self.block_end_string = block_end_string
+ self.variable_start_string = variable_start_string
+ self.variable_end_string = variable_end_string
+ self.comment_start_string = comment_start_string
+ self.comment_end_string = comment_end_string
+ self.line_statement_prefix = line_statement_prefix
+ self.line_comment_prefix = line_comment_prefix
+ self.trim_blocks = trim_blocks
+ self.newline_sequence = newline_sequence
+
+ # runtime information
+ self.undefined = undefined
+ self.optimized = optimized
+ self.finalize = finalize
+ self.autoescape = autoescape
+
+ # defaults
+ self.filters = DEFAULT_FILTERS.copy()
+ self.tests = DEFAULT_TESTS.copy()
+ self.globals = DEFAULT_NAMESPACE.copy()
+
+ # set the loader provided
+ self.loader = loader
+ self.bytecode_cache = None
+ self.cache = create_cache(cache_size)
+ self.bytecode_cache = bytecode_cache
+ self.auto_reload = auto_reload
+
+ # load extensions
+ self.extensions = load_extensions(self, extensions)
+
+ _environment_sanity_check(self)
+
+ def add_extension(self, extension):
+ """Adds an extension after the environment was created.
+
+ .. versionadded:: 2.5
+ """
+ self.extensions.update(load_extensions(self, [extension]))
+
+ def extend(self, **attributes):
+ """Add the items to the instance of the environment if they do not exist
+ yet. This is used by :ref:`extensions <writing-extensions>` to register
+ callbacks and configuration values without breaking inheritance.
+ """
+ for key, value in attributes.iteritems():
+ if not hasattr(self, key):
+ setattr(self, key, value)
+
+ def overlay(self, block_start_string=missing, block_end_string=missing,
+ variable_start_string=missing, variable_end_string=missing,
+ comment_start_string=missing, comment_end_string=missing,
+ line_statement_prefix=missing, line_comment_prefix=missing,
+ trim_blocks=missing, extensions=missing, optimized=missing,
+ undefined=missing, finalize=missing, autoescape=missing,
+ loader=missing, cache_size=missing, auto_reload=missing,
+ bytecode_cache=missing):
+ """Create a new overlay environment that shares all the data with the
+ current environment except of cache and the overridden attributes.
+ Extensions cannot be removed for an overlayed environment. An overlayed
+ environment automatically gets all the extensions of the environment it
+ is linked to plus optional extra extensions.
+
+ Creating overlays should happen after the initial environment was set
+ up completely. Not all attributes are truly linked, some are just
+ copied over so modifications on the original environment may not shine
+ through.
+ """
+ args = dict(locals())
+ del args['self'], args['cache_size'], args['extensions']
+
+ rv = object.__new__(self.__class__)
+ rv.__dict__.update(self.__dict__)
+ rv.overlayed = True
+ rv.linked_to = self
+
+ for key, value in args.iteritems():
+ if value is not missing:
+ setattr(rv, key, value)
+
+ if cache_size is not missing:
+ rv.cache = create_cache(cache_size)
+ else:
+ rv.cache = copy_cache(self.cache)
+
+ rv.extensions = {}
+ for key, value in self.extensions.iteritems():
+ rv.extensions[key] = value.bind(rv)
+ if extensions is not missing:
+ rv.extensions.update(load_extensions(rv, extensions))
+
+ return _environment_sanity_check(rv)
+
+ lexer = property(get_lexer, doc="The lexer for this environment.")
+
+ def iter_extensions(self):
+ """Iterates over the extensions by priority."""
+ return iter(sorted(self.extensions.values(),
+ key=lambda x: x.priority))
+
+ def getitem(self, obj, argument):
+ """Get an item or attribute of an object but prefer the item."""
+ try:
+ return obj[argument]
+ except (TypeError, LookupError):
+ if isinstance(argument, basestring):
+ try:
+ attr = str(argument)
+ except:
+ pass
+ else:
+ try:
+ return getattr(obj, attr)
+ except AttributeError:
+ pass
+ return self.undefined(obj=obj, name=argument)
+
+ def getattr(self, obj, attribute):
+ """Get an item or attribute of an object but prefer the attribute.
+ Unlike :meth:`getitem` the attribute *must* be a bytestring.
+ """
+ try:
+ return getattr(obj, attribute)
+ except AttributeError:
+ pass
+ try:
+ return obj[attribute]
+ except (TypeError, LookupError, AttributeError):
+ return self.undefined(obj=obj, name=attribute)
+
+ @internalcode
+ def parse(self, source, name=None, filename=None):
+ """Parse the sourcecode and return the abstract syntax tree. This
+ tree of nodes is used by the compiler to convert the template into
+ executable source- or bytecode. This is useful for debugging or to
+ extract information from templates.
+
+ If you are :ref:`developing Jinja2 extensions <writing-extensions>`
+ this gives you a good overview of the node tree generated.
+ """
+ try:
+ return self._parse(source, name, filename)
+ except TemplateSyntaxError:
+ exc_info = sys.exc_info()
+ self.handle_exception(exc_info, source_hint=source)
+
+ def _parse(self, source, name, filename):
+ """Internal parsing function used by `parse` and `compile`."""
+ return Parser(self, source, name, _encode_filename(filename)).parse()
+
+ def lex(self, source, name=None, filename=None):
+ """Lex the given sourcecode and return a generator that yields
+ tokens as tuples in the form ``(lineno, token_type, value)``.
+ This can be useful for :ref:`extension development <writing-extensions>`
+ and debugging templates.
+
+ This does not perform preprocessing. If you want the preprocessing
+ of the extensions to be applied you have to filter source through
+ the :meth:`preprocess` method.
+ """
+ source = unicode(source)
+ try:
+ return self.lexer.tokeniter(source, name, filename)
+ except TemplateSyntaxError:
+ exc_info = sys.exc_info()
+ self.handle_exception(exc_info, source_hint=source)
+
+ def preprocess(self, source, name=None, filename=None):
+ """Preprocesses the source with all extensions. This is automatically
+ called for all parsing and compiling methods but *not* for :meth:`lex`
+ because there you usually only want the actual source tokenized.
+ """
+ return reduce(lambda s, e: e.preprocess(s, name, filename),
+ self.iter_extensions(), unicode(source))
+
+ def _tokenize(self, source, name, filename=None, state=None):
+ """Called by the parser to do the preprocessing and filtering
+ for all the extensions. Returns a :class:`~jinja2.lexer.TokenStream`.
+ """
+ source = self.preprocess(source, name, filename)
+ stream = self.lexer.tokenize(source, name, filename, state)
+ for ext in self.iter_extensions():
+ stream = ext.filter_stream(stream)
+ if not isinstance(stream, TokenStream):
+ stream = TokenStream(stream, name, filename)
+ return stream
+
+ def _generate(self, source, name, filename, defer_init=False):
+ """Internal hook that can be overriden to hook a different generate
+ method in.
+
+ .. versionadded:: 2.5
+ """
+ return generate(source, self, name, filename, defer_init=defer_init)
+
+ def _compile(self, source, filename):
+ """Internal hook that can be overriden to hook a different compile
+ method in.
+
+ .. versionadded:: 2.5
+ """
+ return compile(source, filename, 'exec')
+
+ @internalcode
+ def compile(self, source, name=None, filename=None, raw=False,
+ defer_init=False):
+ """Compile a node or template source code. The `name` parameter is
+ the load name of the template after it was joined using
+ :meth:`join_path` if necessary, not the filename on the file system.
+ the `filename` parameter is the estimated filename of the template on
+ the file system. If the template came from a database or memory this
+ can be omitted.
+
+ The return value of this method is a python code object. If the `raw`
+ parameter is `True` the return value will be a string with python
+ code equivalent to the bytecode returned otherwise. This method is
+ mainly used internally.
+
+ `defer_init` is use internally to aid the module code generator. This
+ causes the generated code to be able to import without the global
+ environment variable to be set.
+
+ .. versionadded:: 2.4
+ `defer_init` parameter added.
+ """
+ source_hint = None
+ try:
+ if isinstance(source, basestring):
+ source_hint = source
+ source = self._parse(source, name, filename)
+ if self.optimized:
+ source = optimize(source, self)
+ source = self._generate(source, name, filename,
+ defer_init=defer_init)
+ if raw:
+ return source
+ if filename is None:
+ filename = '<template>'
+ else:
+ filename = _encode_filename(filename)
+ return self._compile(source, filename)
+ except TemplateSyntaxError:
+ exc_info = sys.exc_info()
+ self.handle_exception(exc_info, source_hint=source)
+
+ def compile_expression(self, source, undefined_to_none=True):
+ """A handy helper method that returns a callable that accepts keyword
+ arguments that appear as variables in the expression. If called it
+ returns the result of the expression.
+
+ This is useful if applications want to use the same rules as Jinja
+ in template "configuration files" or similar situations.
+
+ Example usage:
+
+ >>> env = Environment()
+ >>> expr = env.compile_expression('foo == 42')
+ >>> expr(foo=23)
+ False
+ >>> expr(foo=42)
+ True
+
+ Per default the return value is converted to `None` if the
+ expression returns an undefined value. This can be changed
+ by setting `undefined_to_none` to `False`.
+
+ >>> env.compile_expression('var')() is None
+ True
+ >>> env.compile_expression('var', undefined_to_none=False)()
+ Undefined
+
+ .. versionadded:: 2.1
+ """
+ parser = Parser(self, source, state='variable')
+ exc_info = None
+ try:
+ expr = parser.parse_expression()
+ if not parser.stream.eos:
+ raise TemplateSyntaxError('chunk after expression',
+ parser.stream.current.lineno,
+ None, None)
+ expr.set_environment(self)
+ except TemplateSyntaxError:
+ exc_info = sys.exc_info()
+ if exc_info is not None:
+ self.handle_exception(exc_info, source_hint=source)
+ body = [nodes.Assign(nodes.Name('result', 'store'), expr, lineno=1)]
+ template = self.from_string(nodes.Template(body, lineno=1))
+ return TemplateExpression(template, undefined_to_none)
+
+ def compile_templates(self, target, extensions=None, filter_func=None,
+ zip='deflated', log_function=None,
+ ignore_errors=True, py_compile=False):
+ """Compiles all the templates the loader can find, compiles them
+ and stores them in `target`. If `zip` is `None`, instead of in a
+ zipfile, the templates will be will be stored in a directory.
+ By default a deflate zip algorithm is used, to switch to
+ the stored algorithm, `zip` can be set to ``'stored'``.
+
+ `extensions` and `filter_func` are passed to :meth:`list_templates`.
+ Each template returned will be compiled to the target folder or
+ zipfile.
+
+ By default template compilation errors are ignored. In case a
+ log function is provided, errors are logged. If you want template
+ syntax errors to abort the compilation you can set `ignore_errors`
+ to `False` and you will get an exception on syntax errors.
+
+ If `py_compile` is set to `True` .pyc files will be written to the
+ target instead of standard .py files.
+
+ .. versionadded:: 2.4
+ """
+ from jinja2.loaders import ModuleLoader
+
+ if log_function is None:
+ log_function = lambda x: None
+
+ if py_compile:
+ import imp, struct, marshal
+ py_header = imp.get_magic() + \
+ u'\xff\xff\xff\xff'.encode('iso-8859-15')
+
+ def write_file(filename, data, mode):
+ if zip:
+ info = ZipInfo(filename)
+ info.external_attr = 0755 << 16L
+ zip_file.writestr(info, data)
+ else:
+ f = open(os.path.join(target, filename), mode)
+ try:
+ f.write(data)
+ finally:
+ f.close()
+
+ if zip is not None:
+ from zipfile import ZipFile, ZipInfo, ZIP_DEFLATED, ZIP_STORED
+ zip_file = ZipFile(target, 'w', dict(deflated=ZIP_DEFLATED,
+ stored=ZIP_STORED)[zip])
+ log_function('Compiling into Zip archive "%s"' % target)
+ else:
+ if not os.path.isdir(target):
+ os.makedirs(target)
+ log_function('Compiling into folder "%s"' % target)
+
+ try:
+ for name in self.list_templates(extensions, filter_func):
+ source, filename, _ = self.loader.get_source(self, name)
+ try:
+ code = self.compile(source, name, filename, True, True)
+ except TemplateSyntaxError, e:
+ if not ignore_errors:
+ raise
+ log_function('Could not compile "%s": %s' % (name, e))
+ continue
+
+ filename = ModuleLoader.get_module_filename(name)
+
+ if py_compile:
+ c = self._compile(code, _encode_filename(filename))
+ write_file(filename + 'c', py_header +
+ marshal.dumps(c), 'wb')
+ log_function('Byte-compiled "%s" as %s' %
+ (name, filename + 'c'))
+ else:
+ write_file(filename, code, 'w')
+ log_function('Compiled "%s" as %s' % (name, filename))
+ finally:
+ if zip:
+ zip_file.close()
+
+ log_function('Finished compiling templates')
+
+ def list_templates(self, extensions=None, filter_func=None):
+ """Returns a list of templates for this environment. This requires
+ that the loader supports the loader's
+ :meth:`~BaseLoader.list_templates` method.
+
+ If there are other files in the template folder besides the
+ actual templates, the returned list can be filtered. There are two
+ ways: either `extensions` is set to a list of file extensions for
+ templates, or a `filter_func` can be provided which is a callable that
+ is passed a template name and should return `True` if it should end up
+ in the result list.
+
+ If the loader does not support that, a :exc:`TypeError` is raised.
+ """
+ x = self.loader.list_templates()
+ if extensions is not None:
+ if filter_func is not None:
+ raise TypeError('either extensions or filter_func '
+ 'can be passed, but not both')
+ filter_func = lambda x: '.' in x and \
+ x.rsplit('.', 1)[1] in extensions
+ if filter_func is not None:
+ x = filter(filter_func, x)
+ return x
+
+ def handle_exception(self, exc_info=None, rendered=False, source_hint=None):
+ """Exception handling helper. This is used internally to either raise
+ rewritten exceptions or return a rendered traceback for the template.
+ """
+ global _make_traceback
+ if exc_info is None:
+ exc_info = sys.exc_info()
+
+ # the debugging module is imported when it's used for the first time.
+ # we're doing a lot of stuff there and for applications that do not
+ # get any exceptions in template rendering there is no need to load
+ # all of that.
+ if _make_traceback is None:
+ from jinja2.debug import make_traceback as _make_traceback
+ traceback = _make_traceback(exc_info, source_hint)
+ if rendered and self.exception_formatter is not None:
+ return self.exception_formatter(traceback)
+ if self.exception_handler is not None:
+ self.exception_handler(traceback)
+ exc_type, exc_value, tb = traceback.standard_exc_info
+ raise exc_type, exc_value, tb
+
+ def join_path(self, template, parent):
+ """Join a template with the parent. By default all the lookups are
+ relative to the loader root so this method returns the `template`
+ parameter unchanged, but if the paths should be relative to the
+ parent template, this function can be used to calculate the real
+ template name.
+
+ Subclasses may override this method and implement template path
+ joining here.
+ """
+ return template
+
+ @internalcode
+ def _load_template(self, name, globals):
+ if self.loader is None:
+ raise TypeError('no loader for this environment specified')
+ if self.cache is not None:
+ template = self.cache.get(name)
+ if template is not None and (not self.auto_reload or \
+ template.is_up_to_date):
+ return template
+ template = self.loader.load(self, name, globals)
+ if self.cache is not None:
+ self.cache[name] = template
+ return template
+
+ @internalcode
+ def get_template(self, name, parent=None, globals=None):
+ """Load a template from the loader. If a loader is configured this
+ method ask the loader for the template and returns a :class:`Template`.
+ If the `parent` parameter is not `None`, :meth:`join_path` is called
+ to get the real template name before loading.
+
+ The `globals` parameter can be used to provide template wide globals.
+ These variables are available in the context at render time.
+
+ If the template does not exist a :exc:`TemplateNotFound` exception is
+ raised.
+
+ .. versionchanged:: 2.4
+ If `name` is a :class:`Template` object it is returned from the
+ function unchanged.
+ """
+ if isinstance(name, Template):
+ return name
+ if parent is not None:
+ name = self.join_path(name, parent)
+ return self._load_template(name, self.make_globals(globals))
+
+ @internalcode
+ def select_template(self, names, parent=None, globals=None):
+ """Works like :meth:`get_template` but tries a number of templates
+ before it fails. If it cannot find any of the templates, it will
+ raise a :exc:`TemplatesNotFound` exception.
+
+ .. versionadded:: 2.3
+
+ .. versionchanged:: 2.4
+ If `names` contains a :class:`Template` object it is returned
+ from the function unchanged.
+ """
+ if not names:
+ raise TemplatesNotFound(message=u'Tried to select from an empty list '
+ u'of templates.')
+ globals = self.make_globals(globals)
+ for name in names:
+ if isinstance(name, Template):
+ return name
+ if parent is not None:
+ name = self.join_path(name, parent)
+ try:
+ return self._load_template(name, globals)
+ except TemplateNotFound:
+ pass
+ raise TemplatesNotFound(names)
+
+ @internalcode
+ def get_or_select_template(self, template_name_or_list,
+ parent=None, globals=None):
+ """Does a typecheck and dispatches to :meth:`select_template`
+ if an iterable of template names is given, otherwise to
+ :meth:`get_template`.
+
+ .. versionadded:: 2.3
+ """
+ if isinstance(template_name_or_list, basestring):
+ return self.get_template(template_name_or_list, parent, globals)
+ elif isinstance(template_name_or_list, Template):
+ return template_name_or_list
+ return self.select_template(template_name_or_list, parent, globals)
+
+ def from_string(self, source, globals=None, template_class=None):
+ """Load a template from a string. This parses the source given and
+ returns a :class:`Template` object.
+ """
+ globals = self.make_globals(globals)
+ cls = template_class or self.template_class
+ return cls.from_code(self, self.compile(source), globals, None)
+
+ def make_globals(self, d):
+ """Return a dict for the globals."""
+ if not d:
+ return self.globals
+ return dict(self.globals, **d)
+
+
+class Template(object):
+ """The central template object. This class represents a compiled template
+ and is used to evaluate it.
+
+ Normally the template object is generated from an :class:`Environment` but
+ it also has a constructor that makes it possible to create a template
+ instance directly using the constructor. It takes the same arguments as
+ the environment constructor but it's not possible to specify a loader.
+
+ Every template object has a few methods and members that are guaranteed
+ to exist. However it's important that a template object should be
+ considered immutable. Modifications on the object are not supported.
+
+ Template objects created from the constructor rather than an environment
+ do have an `environment` attribute that points to a temporary environment
+ that is probably shared with other templates created with the constructor
+ and compatible settings.
+
+ >>> template = Template('Hello {{ name }}!')
+ >>> template.render(name='John Doe')
+ u'Hello John Doe!'
+
+ >>> stream = template.stream(name='John Doe')
+ >>> stream.next()
+ u'Hello John Doe!'
+ >>> stream.next()
+ Traceback (most recent call last):
+ ...
+ StopIteration
+ """
+
+ def __new__(cls, source,
+ block_start_string=BLOCK_START_STRING,
+ block_end_string=BLOCK_END_STRING,
+ variable_start_string=VARIABLE_START_STRING,
+ variable_end_string=VARIABLE_END_STRING,
+ comment_start_string=COMMENT_START_STRING,
+ comment_end_string=COMMENT_END_STRING,
+ line_statement_prefix=LINE_STATEMENT_PREFIX,
+ line_comment_prefix=LINE_COMMENT_PREFIX,
+ trim_blocks=TRIM_BLOCKS,
+ newline_sequence=NEWLINE_SEQUENCE,
+ extensions=(),
+ optimized=True,
+ undefined=Undefined,
+ finalize=None,
+ autoescape=False):
+ env = get_spontaneous_environment(
+ block_start_string, block_end_string, variable_start_string,
+ variable_end_string, comment_start_string, comment_end_string,
+ line_statement_prefix, line_comment_prefix, trim_blocks,
+ newline_sequence, frozenset(extensions), optimized, undefined,
+ finalize, autoescape, None, 0, False, None)
+ return env.from_string(source, template_class=cls)
+
+ @classmethod
+ def from_code(cls, environment, code, globals, uptodate=None):
+ """Creates a template object from compiled code and the globals. This
+ is used by the loaders and environment to create a template object.
+ """
+ namespace = {
+ 'environment': environment,
+ '__file__': code.co_filename
+ }
+ exec code in namespace
+ rv = cls._from_namespace(environment, namespace, globals)
+ rv._uptodate = uptodate
+ return rv
+
+ @classmethod
+ def from_module_dict(cls, environment, module_dict, globals):
+ """Creates a template object from a module. This is used by the
+ module loader to create a template object.
+
+ .. versionadded:: 2.4
+ """
+ return cls._from_namespace(environment, module_dict, globals)
+
+ @classmethod
+ def _from_namespace(cls, environment, namespace, globals):
+ t = object.__new__(cls)
+ t.environment = environment
+ t.globals = globals
+ t.name = namespace['name']
+ t.filename = namespace['__file__']
+ t.blocks = namespace['blocks']
+
+ # render function and module
+ t.root_render_func = namespace['root']
+ t._module = None
+
+ # debug and loader helpers
+ t._debug_info = namespace['debug_info']
+ t._uptodate = None
+
+ # store the reference
+ namespace['environment'] = environment
+ namespace['__jinja_template__'] = t
+
+ return t
+
+ def render(self, *args, **kwargs):
+ """This method accepts the same arguments as the `dict` constructor:
+ A dict, a dict subclass or some keyword arguments. If no arguments
+ are given the context will be empty. These two calls do the same::
+
+ template.render(knights='that say nih')
+ template.render({'knights': 'that say nih'})
+
+ This will return the rendered template as unicode string.
+ """
+ vars = dict(*args, **kwargs)
+ try:
+ return concat(self.root_render_func(self.new_context(vars)))
+ except:
+ exc_info = sys.exc_info()
+ return self.environment.handle_exception(exc_info, True)
+
+ def stream(self, *args, **kwargs):
+ """Works exactly like :meth:`generate` but returns a
+ :class:`TemplateStream`.
+ """
+ return TemplateStream(self.generate(*args, **kwargs))
+
+ def generate(self, *args, **kwargs):
+ """For very large templates it can be useful to not render the whole
+ template at once but evaluate each statement after another and yield
+ piece for piece. This method basically does exactly that and returns
+ a generator that yields one item after another as unicode strings.
+
+ It accepts the same arguments as :meth:`render`.
+ """
+ vars = dict(*args, **kwargs)
+ try:
+ for event in self.root_render_func(self.new_context(vars)):
+ yield event
+ except:
+ exc_info = sys.exc_info()
+ else:
+ return
+ yield self.environment.handle_exception(exc_info, True)
+
+ def new_context(self, vars=None, shared=False, locals=None):
+ """Create a new :class:`Context` for this template. The vars
+ provided will be passed to the template. Per default the globals
+ are added to the context. If shared is set to `True` the data
+ is passed as it to the context without adding the globals.
+
+ `locals` can be a dict of local variables for internal usage.
+ """
+ return new_context(self.environment, self.name, self.blocks,
+ vars, shared, self.globals, locals)
+
+ def make_module(self, vars=None, shared=False, locals=None):
+ """This method works like the :attr:`module` attribute when called
+ without arguments but it will evaluate the template on every call
+ rather than caching it. It's also possible to provide
+ a dict which is then used as context. The arguments are the same
+ as for the :meth:`new_context` method.
+ """
+ return TemplateModule(self, self.new_context(vars, shared, locals))
+
+ @property
+ def module(self):
+ """The template as module. This is used for imports in the
+ template runtime but is also useful if one wants to access
+ exported template variables from the Python layer:
+
+ >>> t = Template('{% macro foo() %}42{% endmacro %}23')
+ >>> unicode(t.module)
+ u'23'
+ >>> t.module.foo()
+ u'42'
+ """
+ if self._module is not None:
+ return self._module
+ self._module = rv = self.make_module()
+ return rv
+
+ def get_corresponding_lineno(self, lineno):
+ """Return the source line number of a line number in the
+ generated bytecode as they are not in sync.
+ """
+ for template_line, code_line in reversed(self.debug_info):
+ if code_line <= lineno:
+ return template_line
+ return 1
+
+ @property
+ def is_up_to_date(self):
+ """If this variable is `False` there is a newer version available."""
+ if self._uptodate is None:
+ return True
+ return self._uptodate()
+
+ @property
+ def debug_info(self):
+ """The debug info mapping."""
+ return [tuple(map(int, x.split('='))) for x in
+ self._debug_info.split('&')]
+
+ def __repr__(self):
+ if self.name is None:
+ name = 'memory:%x' % id(self)
+ else:
+ name = repr(self.name)
+ return '<%s %s>' % (self.__class__.__name__, name)
+
+
+class TemplateModule(object):
+ """Represents an imported template. All the exported names of the
+ template are available as attributes on this object. Additionally
+ converting it into an unicode- or bytestrings renders the contents.
+ """
+
+ def __init__(self, template, context):
+ self._body_stream = list(template.root_render_func(context))
+ self.__dict__.update(context.get_exported())
+ self.__name__ = template.name
+
+ def __html__(self):
+ return Markup(concat(self._body_stream))
+
+ def __str__(self):
+ return unicode(self).encode('utf-8')
+
+ # unicode goes after __str__ because we configured 2to3 to rename
+ # __unicode__ to __str__. because the 2to3 tree is not designed to
+ # remove nodes from it, we leave the above __str__ around and let
+ # it override at runtime.
+ def __unicode__(self):
+ return concat(self._body_stream)
+
+ def __repr__(self):
+ if self.__name__ is None:
+ name = 'memory:%x' % id(self)
+ else:
+ name = repr(self.__name__)
+ return '<%s %s>' % (self.__class__.__name__, name)
+
+
+class TemplateExpression(object):
+ """The :meth:`jinja2.Environment.compile_expression` method returns an
+ instance of this object. It encapsulates the expression-like access
+ to the template with an expression it wraps.
+ """
+
+ def __init__(self, template, undefined_to_none):
+ self._template = template
+ self._undefined_to_none = undefined_to_none
+
+ def __call__(self, *args, **kwargs):
+ context = self._template.new_context(dict(*args, **kwargs))
+ consume(self._template.root_render_func(context))
+ rv = context.vars['result']
+ if self._undefined_to_none and isinstance(rv, Undefined):
+ rv = None
+ return rv
+
+
+class TemplateStream(object):
+ """A template stream works pretty much like an ordinary python generator
+ but it can buffer multiple items to reduce the number of total iterations.
+ Per default the output is unbuffered which means that for every unbuffered
+ instruction in the template one unicode string is yielded.
+
+ If buffering is enabled with a buffer size of 5, five items are combined
+ into a new unicode string. This is mainly useful if you are streaming
+ big templates to a client via WSGI which flushes after each iteration.
+ """
+
+ def __init__(self, gen):
+ self._gen = gen
+ self.disable_buffering()
+
+ def dump(self, fp, encoding=None, errors='strict'):
+ """Dump the complete stream into a file or file-like object.
+ Per default unicode strings are written, if you want to encode
+ before writing specifiy an `encoding`.
+
+ Example usage::
+
+ Template('Hello {{ name }}!').stream(name='foo').dump('hello.html')
+ """
+ close = False
+ if isinstance(fp, basestring):
+ fp = file(fp, 'w')
+ close = True
+ try:
+ if encoding is not None:
+ iterable = (x.encode(encoding, errors) for x in self)
+ else:
+ iterable = self
+ if hasattr(fp, 'writelines'):
+ fp.writelines(iterable)
+ else:
+ for item in iterable:
+ fp.write(item)
+ finally:
+ if close:
+ fp.close()
+
+ def disable_buffering(self):
+ """Disable the output buffering."""
+ self._next = self._gen.next
+ self.buffered = False
+
+ def enable_buffering(self, size=5):
+ """Enable buffering. Buffer `size` items before yielding them."""
+ if size <= 1:
+ raise ValueError('buffer size too small')
+
+ def generator(next):
+ buf = []
+ c_size = 0
+ push = buf.append
+
+ while 1:
+ try:
+ while c_size < size:
+ c = next()
+ push(c)
+ if c:
+ c_size += 1
+ except StopIteration:
+ if not c_size:
+ return
+ yield concat(buf)
+ del buf[:]
+ c_size = 0
+
+ self.buffered = True
+ self._next = generator(self._gen.next).next
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ return self._next()
+
+
+# hook in default template class. if anyone reads this comment: ignore that
+# it's possible to use custom templates ;-)
+Environment.template_class = Template
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/exceptions.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/exceptions.py b/ambari-common/src/main/python/jinja2/jinja2/exceptions.py
new file mode 100644
index 0000000..771f6a8
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/exceptions.py
@@ -0,0 +1,143 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.exceptions
+ ~~~~~~~~~~~~~~~~~
+
+ Jinja exceptions.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+
+
+class TemplateError(Exception):
+ """Baseclass for all template errors."""
+
+ def __init__(self, message=None):
+ if message is not None:
+ message = unicode(message).encode('utf-8')
+ Exception.__init__(self, message)
+
+ @property
+ def message(self):
+ if self.args:
+ message = self.args[0]
+ if message is not None:
+ return message.decode('utf-8', 'replace')
+
+
+class TemplateNotFound(IOError, LookupError, TemplateError):
+ """Raised if a template does not exist."""
+
+ # looks weird, but removes the warning descriptor that just
+ # bogusly warns us about message being deprecated
+ message = None
+
+ def __init__(self, name, message=None):
+ IOError.__init__(self)
+ if message is None:
+ message = name
+ self.message = message
+ self.name = name
+ self.templates = [name]
+
+ def __str__(self):
+ return self.message.encode('utf-8')
+
+ # unicode goes after __str__ because we configured 2to3 to rename
+ # __unicode__ to __str__. because the 2to3 tree is not designed to
+ # remove nodes from it, we leave the above __str__ around and let
+ # it override at runtime.
+ def __unicode__(self):
+ return self.message
+
+
+class TemplatesNotFound(TemplateNotFound):
+ """Like :class:`TemplateNotFound` but raised if multiple templates
+ are selected. This is a subclass of :class:`TemplateNotFound`
+ exception, so just catching the base exception will catch both.
+
+ .. versionadded:: 2.2
+ """
+
+ def __init__(self, names=(), message=None):
+ if message is None:
+ message = u'non of the templates given were found: ' + \
+ u', '.join(map(unicode, names))
+ TemplateNotFound.__init__(self, names and names[-1] or None, message)
+ self.templates = list(names)
+
+
+class TemplateSyntaxError(TemplateError):
+ """Raised to tell the user that there is a problem with the template."""
+
+ def __init__(self, message, lineno, name=None, filename=None):
+ TemplateError.__init__(self, message)
+ self.lineno = lineno
+ self.name = name
+ self.filename = filename
+ self.source = None
+
+ # this is set to True if the debug.translate_syntax_error
+ # function translated the syntax error into a new traceback
+ self.translated = False
+
+ def __str__(self):
+ return unicode(self).encode('utf-8')
+
+ # unicode goes after __str__ because we configured 2to3 to rename
+ # __unicode__ to __str__. because the 2to3 tree is not designed to
+ # remove nodes from it, we leave the above __str__ around and let
+ # it override at runtime.
+ def __unicode__(self):
+ # for translated errors we only return the message
+ if self.translated:
+ return self.message
+
+ # otherwise attach some stuff
+ location = 'line %d' % self.lineno
+ name = self.filename or self.name
+ if name:
+ location = 'File "%s", %s' % (name, location)
+ lines = [self.message, ' ' + location]
+
+ # if the source is set, add the line to the output
+ if self.source is not None:
+ try:
+ line = self.source.splitlines()[self.lineno - 1]
+ except IndexError:
+ line = None
+ if line:
+ lines.append(' ' + line.strip())
+
+ return u'\n'.join(lines)
+
+
+class TemplateAssertionError(TemplateSyntaxError):
+ """Like a template syntax error, but covers cases where something in the
+ template caused an error at compile time that wasn't necessarily caused
+ by a syntax error. However it's a direct subclass of
+ :exc:`TemplateSyntaxError` and has the same attributes.
+ """
+
+
+class TemplateRuntimeError(TemplateError):
+ """A generic runtime error in the template engine. Under some situations
+ Jinja may raise this exception.
+ """
+
+
+class UndefinedError(TemplateRuntimeError):
+ """Raised if a template tries to operate on :class:`Undefined`."""
+
+
+class SecurityError(TemplateRuntimeError):
+ """Raised if a template tries to do something insecure if the
+ sandbox is enabled.
+ """
+
+
+class FilterArgumentError(TemplateRuntimeError):
+ """This error is raised if a filter was called with inappropriate
+ arguments
+ """
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/ext.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/ext.py b/ambari-common/src/main/python/jinja2/jinja2/ext.py
new file mode 100644
index 0000000..ceb3895
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/ext.py
@@ -0,0 +1,610 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.ext
+ ~~~~~~~~~~
+
+ Jinja extensions allow to add custom tags similar to the way django custom
+ tags work. By default two example extensions exist: an i18n and a cache
+ extension.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+from collections import deque
+from jinja2 import nodes
+from jinja2.defaults import *
+from jinja2.environment import Environment
+from jinja2.runtime import Undefined, concat
+from jinja2.exceptions import TemplateAssertionError, TemplateSyntaxError
+from jinja2.utils import contextfunction, import_string, Markup, next
+
+
+# the only real useful gettext functions for a Jinja template. Note
+# that ugettext must be assigned to gettext as Jinja doesn't support
+# non unicode strings.
+GETTEXT_FUNCTIONS = ('_', 'gettext', 'ngettext')
+
+
+class ExtensionRegistry(type):
+ """Gives the extension an unique identifier."""
+
+ def __new__(cls, name, bases, d):
+ rv = type.__new__(cls, name, bases, d)
+ rv.identifier = rv.__module__ + '.' + rv.__name__
+ return rv
+
+
+class Extension(object):
+ """Extensions can be used to add extra functionality to the Jinja template
+ system at the parser level. Custom extensions are bound to an environment
+ but may not store environment specific data on `self`. The reason for
+ this is that an extension can be bound to another environment (for
+ overlays) by creating a copy and reassigning the `environment` attribute.
+
+ As extensions are created by the environment they cannot accept any
+ arguments for configuration. One may want to work around that by using
+ a factory function, but that is not possible as extensions are identified
+ by their import name. The correct way to configure the extension is
+ storing the configuration values on the environment. Because this way the
+ environment ends up acting as central configuration storage the
+ attributes may clash which is why extensions have to ensure that the names
+ they choose for configuration are not too generic. ``prefix`` for example
+ is a terrible name, ``fragment_cache_prefix`` on the other hand is a good
+ name as includes the name of the extension (fragment cache).
+ """
+ __metaclass__ = ExtensionRegistry
+
+ #: if this extension parses this is the list of tags it's listening to.
+ tags = set()
+
+ #: the priority of that extension. This is especially useful for
+ #: extensions that preprocess values. A lower value means higher
+ #: priority.
+ #:
+ #: .. versionadded:: 2.4
+ priority = 100
+
+ def __init__(self, environment):
+ self.environment = environment
+
+ def bind(self, environment):
+ """Create a copy of this extension bound to another environment."""
+ rv = object.__new__(self.__class__)
+ rv.__dict__.update(self.__dict__)
+ rv.environment = environment
+ return rv
+
+ def preprocess(self, source, name, filename=None):
+ """This method is called before the actual lexing and can be used to
+ preprocess the source. The `filename` is optional. The return value
+ must be the preprocessed source.
+ """
+ return source
+
+ def filter_stream(self, stream):
+ """It's passed a :class:`~jinja2.lexer.TokenStream` that can be used
+ to filter tokens returned. This method has to return an iterable of
+ :class:`~jinja2.lexer.Token`\s, but it doesn't have to return a
+ :class:`~jinja2.lexer.TokenStream`.
+
+ In the `ext` folder of the Jinja2 source distribution there is a file
+ called `inlinegettext.py` which implements a filter that utilizes this
+ method.
+ """
+ return stream
+
+ def parse(self, parser):
+ """If any of the :attr:`tags` matched this method is called with the
+ parser as first argument. The token the parser stream is pointing at
+ is the name token that matched. This method has to return one or a
+ list of multiple nodes.
+ """
+ raise NotImplementedError()
+
+ def attr(self, name, lineno=None):
+ """Return an attribute node for the current extension. This is useful
+ to pass constants on extensions to generated template code::
+
+ self.attr('_my_attribute', lineno=lineno)
+ """
+ return nodes.ExtensionAttribute(self.identifier, name, lineno=lineno)
+
+ def call_method(self, name, args=None, kwargs=None, dyn_args=None,
+ dyn_kwargs=None, lineno=None):
+ """Call a method of the extension. This is a shortcut for
+ :meth:`attr` + :class:`jinja2.nodes.Call`.
+ """
+ if args is None:
+ args = []
+ if kwargs is None:
+ kwargs = []
+ return nodes.Call(self.attr(name, lineno=lineno), args, kwargs,
+ dyn_args, dyn_kwargs, lineno=lineno)
+
+
+@contextfunction
+def _gettext_alias(__context, *args, **kwargs):
+ return __context.call(__context.resolve('gettext'), *args, **kwargs)
+
+
+def _make_new_gettext(func):
+ @contextfunction
+ def gettext(__context, __string, **variables):
+ rv = __context.call(func, __string)
+ if __context.eval_ctx.autoescape:
+ rv = Markup(rv)
+ return rv % variables
+ return gettext
+
+
+def _make_new_ngettext(func):
+ @contextfunction
+ def ngettext(__context, __singular, __plural, __num, **variables):
+ variables.setdefault('num', __num)
+ rv = __context.call(func, __singular, __plural, __num)
+ if __context.eval_ctx.autoescape:
+ rv = Markup(rv)
+ return rv % variables
+ return ngettext
+
+
+class InternationalizationExtension(Extension):
+ """This extension adds gettext support to Jinja2."""
+ tags = set(['trans'])
+
+ # TODO: the i18n extension is currently reevaluating values in a few
+ # situations. Take this example:
+ # {% trans count=something() %}{{ count }} foo{% pluralize
+ # %}{{ count }} fooss{% endtrans %}
+ # something is called twice here. One time for the gettext value and
+ # the other time for the n-parameter of the ngettext function.
+
+ def __init__(self, environment):
+ Extension.__init__(self, environment)
+ environment.globals['_'] = _gettext_alias
+ environment.extend(
+ install_gettext_translations=self._install,
+ install_null_translations=self._install_null,
+ install_gettext_callables=self._install_callables,
+ uninstall_gettext_translations=self._uninstall,
+ extract_translations=self._extract,
+ newstyle_gettext=False
+ )
+
+ def _install(self, translations, newstyle=None):
+ gettext = getattr(translations, 'ugettext', None)
+ if gettext is None:
+ gettext = translations.gettext
+ ngettext = getattr(translations, 'ungettext', None)
+ if ngettext is None:
+ ngettext = translations.ngettext
+ self._install_callables(gettext, ngettext, newstyle)
+
+ def _install_null(self, newstyle=None):
+ self._install_callables(
+ lambda x: x,
+ lambda s, p, n: (n != 1 and (p,) or (s,))[0],
+ newstyle
+ )
+
+ def _install_callables(self, gettext, ngettext, newstyle=None):
+ if newstyle is not None:
+ self.environment.newstyle_gettext = newstyle
+ if self.environment.newstyle_gettext:
+ gettext = _make_new_gettext(gettext)
+ ngettext = _make_new_ngettext(ngettext)
+ self.environment.globals.update(
+ gettext=gettext,
+ ngettext=ngettext
+ )
+
+ def _uninstall(self, translations):
+ for key in 'gettext', 'ngettext':
+ self.environment.globals.pop(key, None)
+
+ def _extract(self, source, gettext_functions=GETTEXT_FUNCTIONS):
+ if isinstance(source, basestring):
+ source = self.environment.parse(source)
+ return extract_from_ast(source, gettext_functions)
+
+ def parse(self, parser):
+ """Parse a translatable tag."""
+ lineno = next(parser.stream).lineno
+ num_called_num = False
+
+ # find all the variables referenced. Additionally a variable can be
+ # defined in the body of the trans block too, but this is checked at
+ # a later state.
+ plural_expr = None
+ variables = {}
+ while parser.stream.current.type != 'block_end':
+ if variables:
+ parser.stream.expect('comma')
+
+ # skip colon for python compatibility
+ if parser.stream.skip_if('colon'):
+ break
+
+ name = parser.stream.expect('name')
+ if name.value in variables:
+ parser.fail('translatable variable %r defined twice.' %
+ name.value, name.lineno,
+ exc=TemplateAssertionError)
+
+ # expressions
+ if parser.stream.current.type == 'assign':
+ next(parser.stream)
+ variables[name.value] = var = parser.parse_expression()
+ else:
+ variables[name.value] = var = nodes.Name(name.value, 'load')
+
+ if plural_expr is None:
+ plural_expr = var
+ num_called_num = name.value == 'num'
+
+ parser.stream.expect('block_end')
+
+ plural = plural_names = None
+ have_plural = False
+ referenced = set()
+
+ # now parse until endtrans or pluralize
+ singular_names, singular = self._parse_block(parser, True)
+ if singular_names:
+ referenced.update(singular_names)
+ if plural_expr is None:
+ plural_expr = nodes.Name(singular_names[0], 'load')
+ num_called_num = singular_names[0] == 'num'
+
+ # if we have a pluralize block, we parse that too
+ if parser.stream.current.test('name:pluralize'):
+ have_plural = True
+ next(parser.stream)
+ if parser.stream.current.type != 'block_end':
+ name = parser.stream.expect('name')
+ if name.value not in variables:
+ parser.fail('unknown variable %r for pluralization' %
+ name.value, name.lineno,
+ exc=TemplateAssertionError)
+ plural_expr = variables[name.value]
+ num_called_num = name.value == 'num'
+ parser.stream.expect('block_end')
+ plural_names, plural = self._parse_block(parser, False)
+ next(parser.stream)
+ referenced.update(plural_names)
+ else:
+ next(parser.stream)
+
+ # register free names as simple name expressions
+ for var in referenced:
+ if var not in variables:
+ variables[var] = nodes.Name(var, 'load')
+
+ if not have_plural:
+ plural_expr = None
+ elif plural_expr is None:
+ parser.fail('pluralize without variables', lineno)
+
+ node = self._make_node(singular, plural, variables, plural_expr,
+ bool(referenced),
+ num_called_num and have_plural)
+ node.set_lineno(lineno)
+ return node
+
+ def _parse_block(self, parser, allow_pluralize):
+ """Parse until the next block tag with a given name."""
+ referenced = []
+ buf = []
+ while 1:
+ if parser.stream.current.type == 'data':
+ buf.append(parser.stream.current.value.replace('%', '%%'))
+ next(parser.stream)
+ elif parser.stream.current.type == 'variable_begin':
+ next(parser.stream)
+ name = parser.stream.expect('name').value
+ referenced.append(name)
+ buf.append('%%(%s)s' % name)
+ parser.stream.expect('variable_end')
+ elif parser.stream.current.type == 'block_begin':
+ next(parser.stream)
+ if parser.stream.current.test('name:endtrans'):
+ break
+ elif parser.stream.current.test('name:pluralize'):
+ if allow_pluralize:
+ break
+ parser.fail('a translatable section can have only one '
+ 'pluralize section')
+ parser.fail('control structures in translatable sections are '
+ 'not allowed')
+ elif parser.stream.eos:
+ parser.fail('unclosed translation block')
+ else:
+ assert False, 'internal parser error'
+
+ return referenced, concat(buf)
+
+ def _make_node(self, singular, plural, variables, plural_expr,
+ vars_referenced, num_called_num):
+ """Generates a useful node from the data provided."""
+ # no variables referenced? no need to escape for old style
+ # gettext invocations only if there are vars.
+ if not vars_referenced and not self.environment.newstyle_gettext:
+ singular = singular.replace('%%', '%')
+ if plural:
+ plural = plural.replace('%%', '%')
+
+ # singular only:
+ if plural_expr is None:
+ gettext = nodes.Name('gettext', 'load')
+ node = nodes.Call(gettext, [nodes.Const(singular)],
+ [], None, None)
+
+ # singular and plural
+ else:
+ ngettext = nodes.Name('ngettext', 'load')
+ node = nodes.Call(ngettext, [
+ nodes.Const(singular),
+ nodes.Const(plural),
+ plural_expr
+ ], [], None, None)
+
+ # in case newstyle gettext is used, the method is powerful
+ # enough to handle the variable expansion and autoescape
+ # handling itself
+ if self.environment.newstyle_gettext:
+ for key, value in variables.iteritems():
+ # the function adds that later anyways in case num was
+ # called num, so just skip it.
+ if num_called_num and key == 'num':
+ continue
+ node.kwargs.append(nodes.Keyword(key, value))
+
+ # otherwise do that here
+ else:
+ # mark the return value as safe if we are in an
+ # environment with autoescaping turned on
+ node = nodes.MarkSafeIfAutoescape(node)
+ if variables:
+ node = nodes.Mod(node, nodes.Dict([
+ nodes.Pair(nodes.Const(key), value)
+ for key, value in variables.items()
+ ]))
+ return nodes.Output([node])
+
+
+class ExprStmtExtension(Extension):
+ """Adds a `do` tag to Jinja2 that works like the print statement just
+ that it doesn't print the return value.
+ """
+ tags = set(['do'])
+
+ def parse(self, parser):
+ node = nodes.ExprStmt(lineno=next(parser.stream).lineno)
+ node.node = parser.parse_tuple()
+ return node
+
+
+class LoopControlExtension(Extension):
+ """Adds break and continue to the template engine."""
+ tags = set(['break', 'continue'])
+
+ def parse(self, parser):
+ token = next(parser.stream)
+ if token.value == 'break':
+ return nodes.Break(lineno=token.lineno)
+ return nodes.Continue(lineno=token.lineno)
+
+
+class WithExtension(Extension):
+ """Adds support for a django-like with block."""
+ tags = set(['with'])
+
+ def parse(self, parser):
+ node = nodes.Scope(lineno=next(parser.stream).lineno)
+ assignments = []
+ while parser.stream.current.type != 'block_end':
+ lineno = parser.stream.current.lineno
+ if assignments:
+ parser.stream.expect('comma')
+ target = parser.parse_assign_target()
+ parser.stream.expect('assign')
+ expr = parser.parse_expression()
+ assignments.append(nodes.Assign(target, expr, lineno=lineno))
+ node.body = assignments + \
+ list(parser.parse_statements(('name:endwith',),
+ drop_needle=True))
+ return node
+
+
+class AutoEscapeExtension(Extension):
+ """Changes auto escape rules for a scope."""
+ tags = set(['autoescape'])
+
+ def parse(self, parser):
+ node = nodes.ScopedEvalContextModifier(lineno=next(parser.stream).lineno)
+ node.options = [
+ nodes.Keyword('autoescape', parser.parse_expression())
+ ]
+ node.body = parser.parse_statements(('name:endautoescape',),
+ drop_needle=True)
+ return nodes.Scope([node])
+
+
+def extract_from_ast(node, gettext_functions=GETTEXT_FUNCTIONS,
+ babel_style=True):
+ """Extract localizable strings from the given template node. Per
+ default this function returns matches in babel style that means non string
+ parameters as well as keyword arguments are returned as `None`. This
+ allows Babel to figure out what you really meant if you are using
+ gettext functions that allow keyword arguments for placeholder expansion.
+ If you don't want that behavior set the `babel_style` parameter to `False`
+ which causes only strings to be returned and parameters are always stored
+ in tuples. As a consequence invalid gettext calls (calls without a single
+ string parameter or string parameters after non-string parameters) are
+ skipped.
+
+ This example explains the behavior:
+
+ >>> from jinja2 import Environment
+ >>> env = Environment()
+ >>> node = env.parse('{{ (_("foo"), _(), ngettext("foo", "bar", 42)) }}')
+ >>> list(extract_from_ast(node))
+ [(1, '_', 'foo'), (1, '_', ()), (1, 'ngettext', ('foo', 'bar', None))]
+ >>> list(extract_from_ast(node, babel_style=False))
+ [(1, '_', ('foo',)), (1, 'ngettext', ('foo', 'bar'))]
+
+ For every string found this function yields a ``(lineno, function,
+ message)`` tuple, where:
+
+ * ``lineno`` is the number of the line on which the string was found,
+ * ``function`` is the name of the ``gettext`` function used (if the
+ string was extracted from embedded Python code), and
+ * ``message`` is the string itself (a ``unicode`` object, or a tuple
+ of ``unicode`` objects for functions with multiple string arguments).
+
+ This extraction function operates on the AST and is because of that unable
+ to extract any comments. For comment support you have to use the babel
+ extraction interface or extract comments yourself.
+ """
+ for node in node.find_all(nodes.Call):
+ if not isinstance(node.node, nodes.Name) or \
+ node.node.name not in gettext_functions:
+ continue
+
+ strings = []
+ for arg in node.args:
+ if isinstance(arg, nodes.Const) and \
+ isinstance(arg.value, basestring):
+ strings.append(arg.value)
+ else:
+ strings.append(None)
+
+ for arg in node.kwargs:
+ strings.append(None)
+ if node.dyn_args is not None:
+ strings.append(None)
+ if node.dyn_kwargs is not None:
+ strings.append(None)
+
+ if not babel_style:
+ strings = tuple(x for x in strings if x is not None)
+ if not strings:
+ continue
+ else:
+ if len(strings) == 1:
+ strings = strings[0]
+ else:
+ strings = tuple(strings)
+ yield node.lineno, node.node.name, strings
+
+
+class _CommentFinder(object):
+ """Helper class to find comments in a token stream. Can only
+ find comments for gettext calls forwards. Once the comment
+ from line 4 is found, a comment for line 1 will not return a
+ usable value.
+ """
+
+ def __init__(self, tokens, comment_tags):
+ self.tokens = tokens
+ self.comment_tags = comment_tags
+ self.offset = 0
+ self.last_lineno = 0
+
+ def find_backwards(self, offset):
+ try:
+ for _, token_type, token_value in \
+ reversed(self.tokens[self.offset:offset]):
+ if token_type in ('comment', 'linecomment'):
+ try:
+ prefix, comment = token_value.split(None, 1)
+ except ValueError:
+ continue
+ if prefix in self.comment_tags:
+ return [comment.rstrip()]
+ return []
+ finally:
+ self.offset = offset
+
+ def find_comments(self, lineno):
+ if not self.comment_tags or self.last_lineno > lineno:
+ return []
+ for idx, (token_lineno, _, _) in enumerate(self.tokens[self.offset:]):
+ if token_lineno > lineno:
+ return self.find_backwards(self.offset + idx)
+ return self.find_backwards(len(self.tokens))
+
+
+def babel_extract(fileobj, keywords, comment_tags, options):
+ """Babel extraction method for Jinja templates.
+
+ .. versionchanged:: 2.3
+ Basic support for translation comments was added. If `comment_tags`
+ is now set to a list of keywords for extraction, the extractor will
+ try to find the best preceeding comment that begins with one of the
+ keywords. For best results, make sure to not have more than one
+ gettext call in one line of code and the matching comment in the
+ same line or the line before.
+
+ .. versionchanged:: 2.5.1
+ The `newstyle_gettext` flag can be set to `True` to enable newstyle
+ gettext calls.
+
+ :param fileobj: the file-like object the messages should be extracted from
+ :param keywords: a list of keywords (i.e. function names) that should be
+ recognized as translation functions
+ :param comment_tags: a list of translator tags to search for and include
+ in the results.
+ :param options: a dictionary of additional options (optional)
+ :return: an iterator over ``(lineno, funcname, message, comments)`` tuples.
+ (comments will be empty currently)
+ """
+ extensions = set()
+ for extension in options.get('extensions', '').split(','):
+ extension = extension.strip()
+ if not extension:
+ continue
+ extensions.add(import_string(extension))
+ if InternationalizationExtension not in extensions:
+ extensions.add(InternationalizationExtension)
+
+ def getbool(options, key, default=False):
+ options.get(key, str(default)).lower() in ('1', 'on', 'yes', 'true')
+
+ environment = Environment(
+ options.get('block_start_string', BLOCK_START_STRING),
+ options.get('block_end_string', BLOCK_END_STRING),
+ options.get('variable_start_string', VARIABLE_START_STRING),
+ options.get('variable_end_string', VARIABLE_END_STRING),
+ options.get('comment_start_string', COMMENT_START_STRING),
+ options.get('comment_end_string', COMMENT_END_STRING),
+ options.get('line_statement_prefix') or LINE_STATEMENT_PREFIX,
+ options.get('line_comment_prefix') or LINE_COMMENT_PREFIX,
+ getbool(options, 'trim_blocks', TRIM_BLOCKS),
+ NEWLINE_SEQUENCE, frozenset(extensions),
+ cache_size=0,
+ auto_reload=False
+ )
+
+ if getbool(options, 'newstyle_gettext'):
+ environment.newstyle_gettext = True
+
+ source = fileobj.read().decode(options.get('encoding', 'utf-8'))
+ try:
+ node = environment.parse(source)
+ tokens = list(environment.lex(environment.preprocess(source)))
+ except TemplateSyntaxError, e:
+ # skip templates with syntax errors
+ return
+
+ finder = _CommentFinder(tokens, comment_tags)
+ for lineno, func, message in extract_from_ast(node, keywords):
+ yield lineno, func, message, finder.find_comments(lineno)
+
+
+#: nicer import names
+i18n = InternationalizationExtension
+do = ExprStmtExtension
+loopcontrols = LoopControlExtension
+with_ = WithExtension
+autoescape = AutoEscapeExtension
[04/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/filters.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/filters.py b/ambari-common/src/main/python/jinja2/jinja2/filters.py
new file mode 100644
index 0000000..d1848e4
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/filters.py
@@ -0,0 +1,719 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.filters
+ ~~~~~~~~~~~~~~
+
+ Bundled jinja filters.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+import math
+from random import choice
+from operator import itemgetter
+from itertools import imap, groupby
+from jinja2.utils import Markup, escape, pformat, urlize, soft_unicode
+from jinja2.runtime import Undefined
+from jinja2.exceptions import FilterArgumentError, SecurityError
+
+
+_word_re = re.compile(r'\w+(?u)')
+
+
+def contextfilter(f):
+ """Decorator for marking context dependent filters. The current
+ :class:`Context` will be passed as first argument.
+ """
+ f.contextfilter = True
+ return f
+
+
+def evalcontextfilter(f):
+ """Decorator for marking eval-context dependent filters. An eval
+ context object is passed as first argument. For more information
+ about the eval context, see :ref:`eval-context`.
+
+ .. versionadded:: 2.4
+ """
+ f.evalcontextfilter = True
+ return f
+
+
+def environmentfilter(f):
+ """Decorator for marking evironment dependent filters. The current
+ :class:`Environment` is passed to the filter as first argument.
+ """
+ f.environmentfilter = True
+ return f
+
+
+def do_forceescape(value):
+ """Enforce HTML escaping. This will probably double escape variables."""
+ if hasattr(value, '__html__'):
+ value = value.__html__()
+ return escape(unicode(value))
+
+
+@evalcontextfilter
+def do_replace(eval_ctx, s, old, new, count=None):
+ """Return a copy of the value with all occurrences of a substring
+ replaced with a new one. The first argument is the substring
+ that should be replaced, the second is the replacement string.
+ If the optional third argument ``count`` is given, only the first
+ ``count`` occurrences are replaced:
+
+ .. sourcecode:: jinja
+
+ {{ "Hello World"|replace("Hello", "Goodbye") }}
+ -> Goodbye World
+
+ {{ "aaaaargh"|replace("a", "d'oh, ", 2) }}
+ -> d'oh, d'oh, aaargh
+ """
+ if count is None:
+ count = -1
+ if not eval_ctx.autoescape:
+ return unicode(s).replace(unicode(old), unicode(new), count)
+ if hasattr(old, '__html__') or hasattr(new, '__html__') and \
+ not hasattr(s, '__html__'):
+ s = escape(s)
+ else:
+ s = soft_unicode(s)
+ return s.replace(soft_unicode(old), soft_unicode(new), count)
+
+
+def do_upper(s):
+ """Convert a value to uppercase."""
+ return soft_unicode(s).upper()
+
+
+def do_lower(s):
+ """Convert a value to lowercase."""
+ return soft_unicode(s).lower()
+
+
+@evalcontextfilter
+def do_xmlattr(_eval_ctx, d, autospace=True):
+ """Create an SGML/XML attribute string based on the items in a dict.
+ All values that are neither `none` nor `undefined` are automatically
+ escaped:
+
+ .. sourcecode:: html+jinja
+
+ <ul{{ {'class': 'my_list', 'missing': none,
+ 'id': 'list-%d'|format(variable)}|xmlattr }}>
+ ...
+ </ul>
+
+ Results in something like this:
+
+ .. sourcecode:: html
+
+ <ul class="my_list" id="list-42">
+ ...
+ </ul>
+
+ As you can see it automatically prepends a space in front of the item
+ if the filter returned something unless the second parameter is false.
+ """
+ rv = u' '.join(
+ u'%s="%s"' % (escape(key), escape(value))
+ for key, value in d.iteritems()
+ if value is not None and not isinstance(value, Undefined)
+ )
+ if autospace and rv:
+ rv = u' ' + rv
+ if _eval_ctx.autoescape:
+ rv = Markup(rv)
+ return rv
+
+
+def do_capitalize(s):
+ """Capitalize a value. The first character will be uppercase, all others
+ lowercase.
+ """
+ return soft_unicode(s).capitalize()
+
+
+def do_title(s):
+ """Return a titlecased version of the value. I.e. words will start with
+ uppercase letters, all remaining characters are lowercase.
+ """
+ return soft_unicode(s).title()
+
+
+def do_dictsort(value, case_sensitive=False, by='key'):
+ """Sort a dict and yield (key, value) pairs. Because python dicts are
+ unsorted you may want to use this function to order them by either
+ key or value:
+
+ .. sourcecode:: jinja
+
+ {% for item in mydict|dictsort %}
+ sort the dict by key, case insensitive
+
+ {% for item in mydict|dicsort(true) %}
+ sort the dict by key, case sensitive
+
+ {% for item in mydict|dictsort(false, 'value') %}
+ sort the dict by key, case insensitive, sorted
+ normally and ordered by value.
+ """
+ if by == 'key':
+ pos = 0
+ elif by == 'value':
+ pos = 1
+ else:
+ raise FilterArgumentError('You can only sort by either '
+ '"key" or "value"')
+ def sort_func(item):
+ value = item[pos]
+ if isinstance(value, basestring) and not case_sensitive:
+ value = value.lower()
+ return value
+
+ return sorted(value.items(), key=sort_func)
+
+
+def do_sort(value, reverse=False, case_sensitive=False):
+ """Sort an iterable. Per default it sorts ascending, if you pass it
+ true as first argument it will reverse the sorting.
+
+ If the iterable is made of strings the third parameter can be used to
+ control the case sensitiveness of the comparison which is disabled by
+ default.
+
+ .. sourcecode:: jinja
+
+ {% for item in iterable|sort %}
+ ...
+ {% endfor %}
+ """
+ if not case_sensitive:
+ def sort_func(item):
+ if isinstance(item, basestring):
+ item = item.lower()
+ return item
+ else:
+ sort_func = None
+ return sorted(value, key=sort_func, reverse=reverse)
+
+
+def do_default(value, default_value=u'', boolean=False):
+ """If the value is undefined it will return the passed default value,
+ otherwise the value of the variable:
+
+ .. sourcecode:: jinja
+
+ {{ my_variable|default('my_variable is not defined') }}
+
+ This will output the value of ``my_variable`` if the variable was
+ defined, otherwise ``'my_variable is not defined'``. If you want
+ to use default with variables that evaluate to false you have to
+ set the second parameter to `true`:
+
+ .. sourcecode:: jinja
+
+ {{ ''|default('the string was empty', true) }}
+ """
+ if (boolean and not value) or isinstance(value, Undefined):
+ return default_value
+ return value
+
+
+@evalcontextfilter
+def do_join(eval_ctx, value, d=u''):
+ """Return a string which is the concatenation of the strings in the
+ sequence. The separator between elements is an empty string per
+ default, you can define it with the optional parameter:
+
+ .. sourcecode:: jinja
+
+ {{ [1, 2, 3]|join('|') }}
+ -> 1|2|3
+
+ {{ [1, 2, 3]|join }}
+ -> 123
+ """
+ # no automatic escaping? joining is a lot eaiser then
+ if not eval_ctx.autoescape:
+ return unicode(d).join(imap(unicode, value))
+
+ # if the delimiter doesn't have an html representation we check
+ # if any of the items has. If yes we do a coercion to Markup
+ if not hasattr(d, '__html__'):
+ value = list(value)
+ do_escape = False
+ for idx, item in enumerate(value):
+ if hasattr(item, '__html__'):
+ do_escape = True
+ else:
+ value[idx] = unicode(item)
+ if do_escape:
+ d = escape(d)
+ else:
+ d = unicode(d)
+ return d.join(value)
+
+ # no html involved, to normal joining
+ return soft_unicode(d).join(imap(soft_unicode, value))
+
+
+def do_center(value, width=80):
+ """Centers the value in a field of a given width."""
+ return unicode(value).center(width)
+
+
+@environmentfilter
+def do_first(environment, seq):
+ """Return the first item of a sequence."""
+ try:
+ return iter(seq).next()
+ except StopIteration:
+ return environment.undefined('No first item, sequence was empty.')
+
+
+@environmentfilter
+def do_last(environment, seq):
+ """Return the last item of a sequence."""
+ try:
+ return iter(reversed(seq)).next()
+ except StopIteration:
+ return environment.undefined('No last item, sequence was empty.')
+
+
+@environmentfilter
+def do_random(environment, seq):
+ """Return a random item from the sequence."""
+ try:
+ return choice(seq)
+ except IndexError:
+ return environment.undefined('No random item, sequence was empty.')
+
+
+def do_filesizeformat(value, binary=False):
+ """Format the value like a 'human-readable' file size (i.e. 13 KB,
+ 4.1 MB, 102 bytes, etc). Per default decimal prefixes are used (mega,
+ giga, etc.), if the second parameter is set to `True` the binary
+ prefixes are used (mebi, gibi).
+ """
+ bytes = float(value)
+ base = binary and 1024 or 1000
+ middle = binary and 'i' or ''
+ if bytes < base:
+ return "%d Byte%s" % (bytes, bytes != 1 and 's' or '')
+ elif bytes < base * base:
+ return "%.1f K%sB" % (bytes / base, middle)
+ elif bytes < base * base * base:
+ return "%.1f M%sB" % (bytes / (base * base), middle)
+ return "%.1f G%sB" % (bytes / (base * base * base), middle)
+
+
+def do_pprint(value, verbose=False):
+ """Pretty print a variable. Useful for debugging.
+
+ With Jinja 1.2 onwards you can pass it a parameter. If this parameter
+ is truthy the output will be more verbose (this requires `pretty`)
+ """
+ return pformat(value, verbose=verbose)
+
+
+@evalcontextfilter
+def do_urlize(eval_ctx, value, trim_url_limit=None, nofollow=False):
+ """Converts URLs in plain text into clickable links.
+
+ If you pass the filter an additional integer it will shorten the urls
+ to that number. Also a third argument exists that makes the urls
+ "nofollow":
+
+ .. sourcecode:: jinja
+
+ {{ mytext|urlize(40, true) }}
+ links are shortened to 40 chars and defined with rel="nofollow"
+ """
+ rv = urlize(value, trim_url_limit, nofollow)
+ if eval_ctx.autoescape:
+ rv = Markup(rv)
+ return rv
+
+
+def do_indent(s, width=4, indentfirst=False):
+ """Return a copy of the passed string, each line indented by
+ 4 spaces. The first line is not indented. If you want to
+ change the number of spaces or indent the first line too
+ you can pass additional parameters to the filter:
+
+ .. sourcecode:: jinja
+
+ {{ mytext|indent(2, true) }}
+ indent by two spaces and indent the first line too.
+ """
+ indention = u' ' * width
+ rv = (u'\n' + indention).join(s.splitlines())
+ if indentfirst:
+ rv = indention + rv
+ return rv
+
+
+def do_truncate(s, length=255, killwords=False, end='...'):
+ """Return a truncated copy of the string. The length is specified
+ with the first parameter which defaults to ``255``. If the second
+ parameter is ``true`` the filter will cut the text at length. Otherwise
+ it will try to save the last word. If the text was in fact
+ truncated it will append an ellipsis sign (``"..."``). If you want a
+ different ellipsis sign than ``"..."`` you can specify it using the
+ third parameter.
+
+ .. sourcecode jinja::
+
+ {{ mytext|truncate(300, false, '»') }}
+ truncate mytext to 300 chars, don't split up words, use a
+ right pointing double arrow as ellipsis sign.
+ """
+ if len(s) <= length:
+ return s
+ elif killwords:
+ return s[:length] + end
+ words = s.split(' ')
+ result = []
+ m = 0
+ for word in words:
+ m += len(word) + 1
+ if m > length:
+ break
+ result.append(word)
+ result.append(end)
+ return u' '.join(result)
+
+
+def do_wordwrap(s, width=79, break_long_words=True):
+ """
+ Return a copy of the string passed to the filter wrapped after
+ ``79`` characters. You can override this default using the first
+ parameter. If you set the second parameter to `false` Jinja will not
+ split words apart if they are longer than `width`.
+ """
+ import textwrap
+ return u'\n'.join(textwrap.wrap(s, width=width, expand_tabs=False,
+ replace_whitespace=False,
+ break_long_words=break_long_words))
+
+
+def do_wordcount(s):
+ """Count the words in that string."""
+ return len(_word_re.findall(s))
+
+
+def do_int(value, default=0):
+ """Convert the value into an integer. If the
+ conversion doesn't work it will return ``0``. You can
+ override this default using the first parameter.
+ """
+ try:
+ return int(value)
+ except (TypeError, ValueError):
+ # this quirk is necessary so that "42.23"|int gives 42.
+ try:
+ return int(float(value))
+ except (TypeError, ValueError):
+ return default
+
+
+def do_float(value, default=0.0):
+ """Convert the value into a floating point number. If the
+ conversion doesn't work it will return ``0.0``. You can
+ override this default using the first parameter.
+ """
+ try:
+ return float(value)
+ except (TypeError, ValueError):
+ return default
+
+
+def do_format(value, *args, **kwargs):
+ """
+ Apply python string formatting on an object:
+
+ .. sourcecode:: jinja
+
+ {{ "%s - %s"|format("Hello?", "Foo!") }}
+ -> Hello? - Foo!
+ """
+ if args and kwargs:
+ raise FilterArgumentError('can\'t handle positional and keyword '
+ 'arguments at the same time')
+ return soft_unicode(value) % (kwargs or args)
+
+
+def do_trim(value):
+ """Strip leading and trailing whitespace."""
+ return soft_unicode(value).strip()
+
+
+def do_striptags(value):
+ """Strip SGML/XML tags and replace adjacent whitespace by one space.
+ """
+ if hasattr(value, '__html__'):
+ value = value.__html__()
+ return Markup(unicode(value)).striptags()
+
+
+def do_slice(value, slices, fill_with=None):
+ """Slice an iterator and return a list of lists containing
+ those items. Useful if you want to create a div containing
+ three ul tags that represent columns:
+
+ .. sourcecode:: html+jinja
+
+ <div class="columwrapper">
+ {%- for column in items|slice(3) %}
+ <ul class="column-{{ loop.index }}">
+ {%- for item in column %}
+ <li>{{ item }}</li>
+ {%- endfor %}
+ </ul>
+ {%- endfor %}
+ </div>
+
+ If you pass it a second argument it's used to fill missing
+ values on the last iteration.
+ """
+ seq = list(value)
+ length = len(seq)
+ items_per_slice = length // slices
+ slices_with_extra = length % slices
+ offset = 0
+ for slice_number in xrange(slices):
+ start = offset + slice_number * items_per_slice
+ if slice_number < slices_with_extra:
+ offset += 1
+ end = offset + (slice_number + 1) * items_per_slice
+ tmp = seq[start:end]
+ if fill_with is not None and slice_number >= slices_with_extra:
+ tmp.append(fill_with)
+ yield tmp
+
+
+def do_batch(value, linecount, fill_with=None):
+ """
+ A filter that batches items. It works pretty much like `slice`
+ just the other way round. It returns a list of lists with the
+ given number of items. If you provide a second parameter this
+ is used to fill missing items. See this example:
+
+ .. sourcecode:: html+jinja
+
+ <table>
+ {%- for row in items|batch(3, ' ') %}
+ <tr>
+ {%- for column in row %}
+ <td>{{ column }}</td>
+ {%- endfor %}
+ </tr>
+ {%- endfor %}
+ </table>
+ """
+ result = []
+ tmp = []
+ for item in value:
+ if len(tmp) == linecount:
+ yield tmp
+ tmp = []
+ tmp.append(item)
+ if tmp:
+ if fill_with is not None and len(tmp) < linecount:
+ tmp += [fill_with] * (linecount - len(tmp))
+ yield tmp
+
+
+def do_round(value, precision=0, method='common'):
+ """Round the number to a given precision. The first
+ parameter specifies the precision (default is ``0``), the
+ second the rounding method:
+
+ - ``'common'`` rounds either up or down
+ - ``'ceil'`` always rounds up
+ - ``'floor'`` always rounds down
+
+ If you don't specify a method ``'common'`` is used.
+
+ .. sourcecode:: jinja
+
+ {{ 42.55|round }}
+ -> 43.0
+ {{ 42.55|round(1, 'floor') }}
+ -> 42.5
+
+ Note that even if rounded to 0 precision, a float is returned. If
+ you need a real integer, pipe it through `int`:
+
+ .. sourcecode:: jinja
+
+ {{ 42.55|round|int }}
+ -> 43
+ """
+ if not method in ('common', 'ceil', 'floor'):
+ raise FilterArgumentError('method must be common, ceil or floor')
+ if method == 'common':
+ return round(value, precision)
+ func = getattr(math, method)
+ return func(value * (10 ** precision)) / (10 ** precision)
+
+
+@environmentfilter
+def do_groupby(environment, value, attribute):
+ """Group a sequence of objects by a common attribute.
+
+ If you for example have a list of dicts or objects that represent persons
+ with `gender`, `first_name` and `last_name` attributes and you want to
+ group all users by genders you can do something like the following
+ snippet:
+
+ .. sourcecode:: html+jinja
+
+ <ul>
+ {% for group in persons|groupby('gender') %}
+ <li>{{ group.grouper }}<ul>
+ {% for person in group.list %}
+ <li>{{ person.first_name }} {{ person.last_name }}</li>
+ {% endfor %}</ul></li>
+ {% endfor %}
+ </ul>
+
+ Additionally it's possible to use tuple unpacking for the grouper and
+ list:
+
+ .. sourcecode:: html+jinja
+
+ <ul>
+ {% for grouper, list in persons|groupby('gender') %}
+ ...
+ {% endfor %}
+ </ul>
+
+ As you can see the item we're grouping by is stored in the `grouper`
+ attribute and the `list` contains all the objects that have this grouper
+ in common.
+ """
+ expr = lambda x: environment.getitem(x, attribute)
+ return sorted(map(_GroupTuple, groupby(sorted(value, key=expr), expr)))
+
+
+class _GroupTuple(tuple):
+ __slots__ = ()
+ grouper = property(itemgetter(0))
+ list = property(itemgetter(1))
+
+ def __new__(cls, (key, value)):
+ return tuple.__new__(cls, (key, list(value)))
+
+
+def do_list(value):
+ """Convert the value into a list. If it was a string the returned list
+ will be a list of characters.
+ """
+ return list(value)
+
+
+def do_mark_safe(value):
+ """Mark the value as safe which means that in an environment with automatic
+ escaping enabled this variable will not be escaped.
+ """
+ return Markup(value)
+
+
+def do_mark_unsafe(value):
+ """Mark a value as unsafe. This is the reverse operation for :func:`safe`."""
+ return unicode(value)
+
+
+def do_reverse(value):
+ """Reverse the object or return an iterator the iterates over it the other
+ way round.
+ """
+ if isinstance(value, basestring):
+ return value[::-1]
+ try:
+ return reversed(value)
+ except TypeError:
+ try:
+ rv = list(value)
+ rv.reverse()
+ return rv
+ except TypeError:
+ raise FilterArgumentError('argument must be iterable')
+
+
+@environmentfilter
+def do_attr(environment, obj, name):
+ """Get an attribute of an object. ``foo|attr("bar")`` works like
+ ``foo["bar"]`` just that always an attribute is returned and items are not
+ looked up.
+
+ See :ref:`Notes on subscriptions <notes-on-subscriptions>` for more details.
+ """
+ try:
+ name = str(name)
+ except UnicodeError:
+ pass
+ else:
+ try:
+ value = getattr(obj, name)
+ except AttributeError:
+ pass
+ else:
+ if environment.sandboxed and not \
+ environment.is_safe_attribute(obj, name, value):
+ return environment.unsafe_undefined(obj, name)
+ return value
+ return environment.undefined(obj=obj, name=name)
+
+
+FILTERS = {
+ 'attr': do_attr,
+ 'replace': do_replace,
+ 'upper': do_upper,
+ 'lower': do_lower,
+ 'escape': escape,
+ 'e': escape,
+ 'forceescape': do_forceescape,
+ 'capitalize': do_capitalize,
+ 'title': do_title,
+ 'default': do_default,
+ 'd': do_default,
+ 'join': do_join,
+ 'count': len,
+ 'dictsort': do_dictsort,
+ 'sort': do_sort,
+ 'length': len,
+ 'reverse': do_reverse,
+ 'center': do_center,
+ 'indent': do_indent,
+ 'title': do_title,
+ 'capitalize': do_capitalize,
+ 'first': do_first,
+ 'last': do_last,
+ 'random': do_random,
+ 'filesizeformat': do_filesizeformat,
+ 'pprint': do_pprint,
+ 'truncate': do_truncate,
+ 'wordwrap': do_wordwrap,
+ 'wordcount': do_wordcount,
+ 'int': do_int,
+ 'float': do_float,
+ 'string': soft_unicode,
+ 'list': do_list,
+ 'urlize': do_urlize,
+ 'format': do_format,
+ 'trim': do_trim,
+ 'striptags': do_striptags,
+ 'slice': do_slice,
+ 'batch': do_batch,
+ 'sum': sum,
+ 'abs': abs,
+ 'round': do_round,
+ 'groupby': do_groupby,
+ 'safe': do_mark_safe,
+ 'xmlattr': do_xmlattr
+}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/lexer.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/lexer.py b/ambari-common/src/main/python/jinja2/jinja2/lexer.py
new file mode 100644
index 0000000..0d3f696
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/lexer.py
@@ -0,0 +1,681 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.lexer
+ ~~~~~~~~~~~~
+
+ This module implements a Jinja / Python combination lexer. The
+ `Lexer` class provided by this module is used to do some preprocessing
+ for Jinja.
+
+ On the one hand it filters out invalid operators like the bitshift
+ operators we don't allow in templates. On the other hand it separates
+ template code and python code in expressions.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+from operator import itemgetter
+from collections import deque
+from jinja2.exceptions import TemplateSyntaxError
+from jinja2.utils import LRUCache, next
+
+
+# cache for the lexers. Exists in order to be able to have multiple
+# environments with the same lexer
+_lexer_cache = LRUCache(50)
+
+# static regular expressions
+whitespace_re = re.compile(r'\s+', re.U)
+string_re = re.compile(r"('([^'\\]*(?:\\.[^'\\]*)*)'"
+ r'|"([^"\\]*(?:\\.[^"\\]*)*)")', re.S)
+integer_re = re.compile(r'\d+')
+
+# we use the unicode identifier rule if this python version is able
+# to handle unicode identifiers, otherwise the standard ASCII one.
+try:
+ compile('föö', '<unknown>', 'eval')
+except SyntaxError:
+ name_re = re.compile(r'\b[a-zA-Z_][a-zA-Z0-9_]*\b')
+else:
+ from jinja2 import _stringdefs
+ name_re = re.compile(r'[%s][%s]*' % (_stringdefs.xid_start,
+ _stringdefs.xid_continue))
+
+float_re = re.compile(r'(?<!\.)\d+\.\d+')
+newline_re = re.compile(r'(\r\n|\r|\n)')
+
+# internal the tokens and keep references to them
+TOKEN_ADD = intern('add')
+TOKEN_ASSIGN = intern('assign')
+TOKEN_COLON = intern('colon')
+TOKEN_COMMA = intern('comma')
+TOKEN_DIV = intern('div')
+TOKEN_DOT = intern('dot')
+TOKEN_EQ = intern('eq')
+TOKEN_FLOORDIV = intern('floordiv')
+TOKEN_GT = intern('gt')
+TOKEN_GTEQ = intern('gteq')
+TOKEN_LBRACE = intern('lbrace')
+TOKEN_LBRACKET = intern('lbracket')
+TOKEN_LPAREN = intern('lparen')
+TOKEN_LT = intern('lt')
+TOKEN_LTEQ = intern('lteq')
+TOKEN_MOD = intern('mod')
+TOKEN_MUL = intern('mul')
+TOKEN_NE = intern('ne')
+TOKEN_PIPE = intern('pipe')
+TOKEN_POW = intern('pow')
+TOKEN_RBRACE = intern('rbrace')
+TOKEN_RBRACKET = intern('rbracket')
+TOKEN_RPAREN = intern('rparen')
+TOKEN_SEMICOLON = intern('semicolon')
+TOKEN_SUB = intern('sub')
+TOKEN_TILDE = intern('tilde')
+TOKEN_WHITESPACE = intern('whitespace')
+TOKEN_FLOAT = intern('float')
+TOKEN_INTEGER = intern('integer')
+TOKEN_NAME = intern('name')
+TOKEN_STRING = intern('string')
+TOKEN_OPERATOR = intern('operator')
+TOKEN_BLOCK_BEGIN = intern('block_begin')
+TOKEN_BLOCK_END = intern('block_end')
+TOKEN_VARIABLE_BEGIN = intern('variable_begin')
+TOKEN_VARIABLE_END = intern('variable_end')
+TOKEN_RAW_BEGIN = intern('raw_begin')
+TOKEN_RAW_END = intern('raw_end')
+TOKEN_COMMENT_BEGIN = intern('comment_begin')
+TOKEN_COMMENT_END = intern('comment_end')
+TOKEN_COMMENT = intern('comment')
+TOKEN_LINESTATEMENT_BEGIN = intern('linestatement_begin')
+TOKEN_LINESTATEMENT_END = intern('linestatement_end')
+TOKEN_LINECOMMENT_BEGIN = intern('linecomment_begin')
+TOKEN_LINECOMMENT_END = intern('linecomment_end')
+TOKEN_LINECOMMENT = intern('linecomment')
+TOKEN_DATA = intern('data')
+TOKEN_INITIAL = intern('initial')
+TOKEN_EOF = intern('eof')
+
+# bind operators to token types
+operators = {
+ '+': TOKEN_ADD,
+ '-': TOKEN_SUB,
+ '/': TOKEN_DIV,
+ '//': TOKEN_FLOORDIV,
+ '*': TOKEN_MUL,
+ '%': TOKEN_MOD,
+ '**': TOKEN_POW,
+ '~': TOKEN_TILDE,
+ '[': TOKEN_LBRACKET,
+ ']': TOKEN_RBRACKET,
+ '(': TOKEN_LPAREN,
+ ')': TOKEN_RPAREN,
+ '{': TOKEN_LBRACE,
+ '}': TOKEN_RBRACE,
+ '==': TOKEN_EQ,
+ '!=': TOKEN_NE,
+ '>': TOKEN_GT,
+ '>=': TOKEN_GTEQ,
+ '<': TOKEN_LT,
+ '<=': TOKEN_LTEQ,
+ '=': TOKEN_ASSIGN,
+ '.': TOKEN_DOT,
+ ':': TOKEN_COLON,
+ '|': TOKEN_PIPE,
+ ',': TOKEN_COMMA,
+ ';': TOKEN_SEMICOLON
+}
+
+reverse_operators = dict([(v, k) for k, v in operators.iteritems()])
+assert len(operators) == len(reverse_operators), 'operators dropped'
+operator_re = re.compile('(%s)' % '|'.join(re.escape(x) for x in
+ sorted(operators, key=lambda x: -len(x))))
+
+ignored_tokens = frozenset([TOKEN_COMMENT_BEGIN, TOKEN_COMMENT,
+ TOKEN_COMMENT_END, TOKEN_WHITESPACE,
+ TOKEN_WHITESPACE, TOKEN_LINECOMMENT_BEGIN,
+ TOKEN_LINECOMMENT_END, TOKEN_LINECOMMENT])
+ignore_if_empty = frozenset([TOKEN_WHITESPACE, TOKEN_DATA,
+ TOKEN_COMMENT, TOKEN_LINECOMMENT])
+
+
+def _describe_token_type(token_type):
+ if token_type in reverse_operators:
+ return reverse_operators[token_type]
+ return {
+ TOKEN_COMMENT_BEGIN: 'begin of comment',
+ TOKEN_COMMENT_END: 'end of comment',
+ TOKEN_COMMENT: 'comment',
+ TOKEN_LINECOMMENT: 'comment',
+ TOKEN_BLOCK_BEGIN: 'begin of statement block',
+ TOKEN_BLOCK_END: 'end of statement block',
+ TOKEN_VARIABLE_BEGIN: 'begin of print statement',
+ TOKEN_VARIABLE_END: 'end of print statement',
+ TOKEN_LINESTATEMENT_BEGIN: 'begin of line statement',
+ TOKEN_LINESTATEMENT_END: 'end of line statement',
+ TOKEN_DATA: 'template data / text',
+ TOKEN_EOF: 'end of template'
+ }.get(token_type, token_type)
+
+
+def describe_token(token):
+ """Returns a description of the token."""
+ if token.type == 'name':
+ return token.value
+ return _describe_token_type(token.type)
+
+
+def describe_token_expr(expr):
+ """Like `describe_token` but for token expressions."""
+ if ':' in expr:
+ type, value = expr.split(':', 1)
+ if type == 'name':
+ return value
+ else:
+ type = expr
+ return _describe_token_type(type)
+
+
+def count_newlines(value):
+ """Count the number of newline characters in the string. This is
+ useful for extensions that filter a stream.
+ """
+ return len(newline_re.findall(value))
+
+
+def compile_rules(environment):
+ """Compiles all the rules from the environment into a list of rules."""
+ e = re.escape
+ rules = [
+ (len(environment.comment_start_string), 'comment',
+ e(environment.comment_start_string)),
+ (len(environment.block_start_string), 'block',
+ e(environment.block_start_string)),
+ (len(environment.variable_start_string), 'variable',
+ e(environment.variable_start_string))
+ ]
+
+ if environment.line_statement_prefix is not None:
+ rules.append((len(environment.line_statement_prefix), 'linestatement',
+ r'^\s*' + e(environment.line_statement_prefix)))
+ if environment.line_comment_prefix is not None:
+ rules.append((len(environment.line_comment_prefix), 'linecomment',
+ r'(?:^|(?<=\S))[^\S\r\n]*' +
+ e(environment.line_comment_prefix)))
+
+ return [x[1:] for x in sorted(rules, reverse=True)]
+
+
+class Failure(object):
+ """Class that raises a `TemplateSyntaxError` if called.
+ Used by the `Lexer` to specify known errors.
+ """
+
+ def __init__(self, message, cls=TemplateSyntaxError):
+ self.message = message
+ self.error_class = cls
+
+ def __call__(self, lineno, filename):
+ raise self.error_class(self.message, lineno, filename)
+
+
+class Token(tuple):
+ """Token class."""
+ __slots__ = ()
+ lineno, type, value = (property(itemgetter(x)) for x in range(3))
+
+ def __new__(cls, lineno, type, value):
+ return tuple.__new__(cls, (lineno, intern(str(type)), value))
+
+ def __str__(self):
+ if self.type in reverse_operators:
+ return reverse_operators[self.type]
+ elif self.type == 'name':
+ return self.value
+ return self.type
+
+ def test(self, expr):
+ """Test a token against a token expression. This can either be a
+ token type or ``'token_type:token_value'``. This can only test
+ against string values and types.
+ """
+ # here we do a regular string equality check as test_any is usually
+ # passed an iterable of not interned strings.
+ if self.type == expr:
+ return True
+ elif ':' in expr:
+ return expr.split(':', 1) == [self.type, self.value]
+ return False
+
+ def test_any(self, *iterable):
+ """Test against multiple token expressions."""
+ for expr in iterable:
+ if self.test(expr):
+ return True
+ return False
+
+ def __repr__(self):
+ return 'Token(%r, %r, %r)' % (
+ self.lineno,
+ self.type,
+ self.value
+ )
+
+
+class TokenStreamIterator(object):
+ """The iterator for tokenstreams. Iterate over the stream
+ until the eof token is reached.
+ """
+
+ def __init__(self, stream):
+ self.stream = stream
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ token = self.stream.current
+ if token.type is TOKEN_EOF:
+ self.stream.close()
+ raise StopIteration()
+ next(self.stream)
+ return token
+
+
+class TokenStream(object):
+ """A token stream is an iterable that yields :class:`Token`\s. The
+ parser however does not iterate over it but calls :meth:`next` to go
+ one token ahead. The current active token is stored as :attr:`current`.
+ """
+
+ def __init__(self, generator, name, filename):
+ self._next = iter(generator).next
+ self._pushed = deque()
+ self.name = name
+ self.filename = filename
+ self.closed = False
+ self.current = Token(1, TOKEN_INITIAL, '')
+ next(self)
+
+ def __iter__(self):
+ return TokenStreamIterator(self)
+
+ def __nonzero__(self):
+ return bool(self._pushed) or self.current.type is not TOKEN_EOF
+
+ eos = property(lambda x: not x, doc="Are we at the end of the stream?")
+
+ def push(self, token):
+ """Push a token back to the stream."""
+ self._pushed.append(token)
+
+ def look(self):
+ """Look at the next token."""
+ old_token = next(self)
+ result = self.current
+ self.push(result)
+ self.current = old_token
+ return result
+
+ def skip(self, n=1):
+ """Got n tokens ahead."""
+ for x in xrange(n):
+ next(self)
+
+ def next_if(self, expr):
+ """Perform the token test and return the token if it matched.
+ Otherwise the return value is `None`.
+ """
+ if self.current.test(expr):
+ return next(self)
+
+ def skip_if(self, expr):
+ """Like :meth:`next_if` but only returns `True` or `False`."""
+ return self.next_if(expr) is not None
+
+ def next(self):
+ """Go one token ahead and return the old one"""
+ rv = self.current
+ if self._pushed:
+ self.current = self._pushed.popleft()
+ elif self.current.type is not TOKEN_EOF:
+ try:
+ self.current = self._next()
+ except StopIteration:
+ self.close()
+ return rv
+
+ def close(self):
+ """Close the stream."""
+ self.current = Token(self.current.lineno, TOKEN_EOF, '')
+ self._next = None
+ self.closed = True
+
+ def expect(self, expr):
+ """Expect a given token type and return it. This accepts the same
+ argument as :meth:`jinja2.lexer.Token.test`.
+ """
+ if not self.current.test(expr):
+ expr = describe_token_expr(expr)
+ if self.current.type is TOKEN_EOF:
+ raise TemplateSyntaxError('unexpected end of template, '
+ 'expected %r.' % expr,
+ self.current.lineno,
+ self.name, self.filename)
+ raise TemplateSyntaxError("expected token %r, got %r" %
+ (expr, describe_token(self.current)),
+ self.current.lineno,
+ self.name, self.filename)
+ try:
+ return self.current
+ finally:
+ next(self)
+
+
+def get_lexer(environment):
+ """Return a lexer which is probably cached."""
+ key = (environment.block_start_string,
+ environment.block_end_string,
+ environment.variable_start_string,
+ environment.variable_end_string,
+ environment.comment_start_string,
+ environment.comment_end_string,
+ environment.line_statement_prefix,
+ environment.line_comment_prefix,
+ environment.trim_blocks,
+ environment.newline_sequence)
+ lexer = _lexer_cache.get(key)
+ if lexer is None:
+ lexer = Lexer(environment)
+ _lexer_cache[key] = lexer
+ return lexer
+
+
+class Lexer(object):
+ """Class that implements a lexer for a given environment. Automatically
+ created by the environment class, usually you don't have to do that.
+
+ Note that the lexer is not automatically bound to an environment.
+ Multiple environments can share the same lexer.
+ """
+
+ def __init__(self, environment):
+ # shortcuts
+ c = lambda x: re.compile(x, re.M | re.S)
+ e = re.escape
+
+ # lexing rules for tags
+ tag_rules = [
+ (whitespace_re, TOKEN_WHITESPACE, None),
+ (float_re, TOKEN_FLOAT, None),
+ (integer_re, TOKEN_INTEGER, None),
+ (name_re, TOKEN_NAME, None),
+ (string_re, TOKEN_STRING, None),
+ (operator_re, TOKEN_OPERATOR, None)
+ ]
+
+ # assamble the root lexing rule. because "|" is ungreedy
+ # we have to sort by length so that the lexer continues working
+ # as expected when we have parsing rules like <% for block and
+ # <%= for variables. (if someone wants asp like syntax)
+ # variables are just part of the rules if variable processing
+ # is required.
+ root_tag_rules = compile_rules(environment)
+
+ # block suffix if trimming is enabled
+ block_suffix_re = environment.trim_blocks and '\\n?' or ''
+
+ self.newline_sequence = environment.newline_sequence
+
+ # global lexing rules
+ self.rules = {
+ 'root': [
+ # directives
+ (c('(.*?)(?:%s)' % '|'.join(
+ [r'(?P<raw_begin>(?:\s*%s\-|%s)\s*raw\s*(?:\-%s\s*|%s))' % (
+ e(environment.block_start_string),
+ e(environment.block_start_string),
+ e(environment.block_end_string),
+ e(environment.block_end_string)
+ )] + [
+ r'(?P<%s_begin>\s*%s\-|%s)' % (n, r, r)
+ for n, r in root_tag_rules
+ ])), (TOKEN_DATA, '#bygroup'), '#bygroup'),
+ # data
+ (c('.+'), TOKEN_DATA, None)
+ ],
+ # comments
+ TOKEN_COMMENT_BEGIN: [
+ (c(r'(.*?)((?:\-%s\s*|%s)%s)' % (
+ e(environment.comment_end_string),
+ e(environment.comment_end_string),
+ block_suffix_re
+ )), (TOKEN_COMMENT, TOKEN_COMMENT_END), '#pop'),
+ (c('(.)'), (Failure('Missing end of comment tag'),), None)
+ ],
+ # blocks
+ TOKEN_BLOCK_BEGIN: [
+ (c('(?:\-%s\s*|%s)%s' % (
+ e(environment.block_end_string),
+ e(environment.block_end_string),
+ block_suffix_re
+ )), TOKEN_BLOCK_END, '#pop'),
+ ] + tag_rules,
+ # variables
+ TOKEN_VARIABLE_BEGIN: [
+ (c('\-%s\s*|%s' % (
+ e(environment.variable_end_string),
+ e(environment.variable_end_string)
+ )), TOKEN_VARIABLE_END, '#pop')
+ ] + tag_rules,
+ # raw block
+ TOKEN_RAW_BEGIN: [
+ (c('(.*?)((?:\s*%s\-|%s)\s*endraw\s*(?:\-%s\s*|%s%s))' % (
+ e(environment.block_start_string),
+ e(environment.block_start_string),
+ e(environment.block_end_string),
+ e(environment.block_end_string),
+ block_suffix_re
+ )), (TOKEN_DATA, TOKEN_RAW_END), '#pop'),
+ (c('(.)'), (Failure('Missing end of raw directive'),), None)
+ ],
+ # line statements
+ TOKEN_LINESTATEMENT_BEGIN: [
+ (c(r'\s*(\n|$)'), TOKEN_LINESTATEMENT_END, '#pop')
+ ] + tag_rules,
+ # line comments
+ TOKEN_LINECOMMENT_BEGIN: [
+ (c(r'(.*?)()(?=\n|$)'), (TOKEN_LINECOMMENT,
+ TOKEN_LINECOMMENT_END), '#pop')
+ ]
+ }
+
+ def _normalize_newlines(self, value):
+ """Called for strings and template data to normlize it to unicode."""
+ return newline_re.sub(self.newline_sequence, value)
+
+ def tokenize(self, source, name=None, filename=None, state=None):
+ """Calls tokeniter + tokenize and wraps it in a token stream.
+ """
+ stream = self.tokeniter(source, name, filename, state)
+ return TokenStream(self.wrap(stream, name, filename), name, filename)
+
+ def wrap(self, stream, name=None, filename=None):
+ """This is called with the stream as returned by `tokenize` and wraps
+ every token in a :class:`Token` and converts the value.
+ """
+ for lineno, token, value in stream:
+ if token in ignored_tokens:
+ continue
+ elif token == 'linestatement_begin':
+ token = 'block_begin'
+ elif token == 'linestatement_end':
+ token = 'block_end'
+ # we are not interested in those tokens in the parser
+ elif token in ('raw_begin', 'raw_end'):
+ continue
+ elif token == 'data':
+ value = self._normalize_newlines(value)
+ elif token == 'keyword':
+ token = value
+ elif token == 'name':
+ value = str(value)
+ elif token == 'string':
+ # try to unescape string
+ try:
+ value = self._normalize_newlines(value[1:-1]) \
+ .encode('ascii', 'backslashreplace') \
+ .decode('unicode-escape')
+ except Exception, e:
+ msg = str(e).split(':')[-1].strip()
+ raise TemplateSyntaxError(msg, lineno, name, filename)
+ # if we can express it as bytestring (ascii only)
+ # we do that for support of semi broken APIs
+ # as datetime.datetime.strftime. On python 3 this
+ # call becomes a noop thanks to 2to3
+ try:
+ value = str(value)
+ except UnicodeError:
+ pass
+ elif token == 'integer':
+ value = int(value)
+ elif token == 'float':
+ value = float(value)
+ elif token == 'operator':
+ token = operators[value]
+ yield Token(lineno, token, value)
+
+ def tokeniter(self, source, name, filename=None, state=None):
+ """This method tokenizes the text and returns the tokens in a
+ generator. Use this method if you just want to tokenize a template.
+ """
+ source = '\n'.join(unicode(source).splitlines())
+ pos = 0
+ lineno = 1
+ stack = ['root']
+ if state is not None and state != 'root':
+ assert state in ('variable', 'block'), 'invalid state'
+ stack.append(state + '_begin')
+ else:
+ state = 'root'
+ statetokens = self.rules[stack[-1]]
+ source_length = len(source)
+
+ balancing_stack = []
+
+ while 1:
+ # tokenizer loop
+ for regex, tokens, new_state in statetokens:
+ m = regex.match(source, pos)
+ # if no match we try again with the next rule
+ if m is None:
+ continue
+
+ # we only match blocks and variables if brances / parentheses
+ # are balanced. continue parsing with the lower rule which
+ # is the operator rule. do this only if the end tags look
+ # like operators
+ if balancing_stack and \
+ tokens in ('variable_end', 'block_end',
+ 'linestatement_end'):
+ continue
+
+ # tuples support more options
+ if isinstance(tokens, tuple):
+ for idx, token in enumerate(tokens):
+ # failure group
+ if token.__class__ is Failure:
+ raise token(lineno, filename)
+ # bygroup is a bit more complex, in that case we
+ # yield for the current token the first named
+ # group that matched
+ elif token == '#bygroup':
+ for key, value in m.groupdict().iteritems():
+ if value is not None:
+ yield lineno, key, value
+ lineno += value.count('\n')
+ break
+ else:
+ raise RuntimeError('%r wanted to resolve '
+ 'the token dynamically'
+ ' but no group matched'
+ % regex)
+ # normal group
+ else:
+ data = m.group(idx + 1)
+ if data or token not in ignore_if_empty:
+ yield lineno, token, data
+ lineno += data.count('\n')
+
+ # strings as token just are yielded as it.
+ else:
+ data = m.group()
+ # update brace/parentheses balance
+ if tokens == 'operator':
+ if data == '{':
+ balancing_stack.append('}')
+ elif data == '(':
+ balancing_stack.append(')')
+ elif data == '[':
+ balancing_stack.append(']')
+ elif data in ('}', ')', ']'):
+ if not balancing_stack:
+ raise TemplateSyntaxError('unexpected \'%s\'' %
+ data, lineno, name,
+ filename)
+ expected_op = balancing_stack.pop()
+ if expected_op != data:
+ raise TemplateSyntaxError('unexpected \'%s\', '
+ 'expected \'%s\'' %
+ (data, expected_op),
+ lineno, name,
+ filename)
+ # yield items
+ if data or tokens not in ignore_if_empty:
+ yield lineno, tokens, data
+ lineno += data.count('\n')
+
+ # fetch new position into new variable so that we can check
+ # if there is a internal parsing error which would result
+ # in an infinite loop
+ pos2 = m.end()
+
+ # handle state changes
+ if new_state is not None:
+ # remove the uppermost state
+ if new_state == '#pop':
+ stack.pop()
+ # resolve the new state by group checking
+ elif new_state == '#bygroup':
+ for key, value in m.groupdict().iteritems():
+ if value is not None:
+ stack.append(key)
+ break
+ else:
+ raise RuntimeError('%r wanted to resolve the '
+ 'new state dynamically but'
+ ' no group matched' %
+ regex)
+ # direct state name given
+ else:
+ stack.append(new_state)
+ statetokens = self.rules[stack[-1]]
+ # we are still at the same position and no stack change.
+ # this means a loop without break condition, avoid that and
+ # raise error
+ elif pos2 == pos:
+ raise RuntimeError('%r yielded empty string without '
+ 'stack change' % regex)
+ # publish new function and start again
+ pos = pos2
+ break
+ # if loop terminated without break we havn't found a single match
+ # either we are at the end of the file or we have a problem
+ else:
+ # end of text
+ if pos >= source_length:
+ return
+ # something went wrong
+ raise TemplateSyntaxError('unexpected char %r at %d' %
+ (source[pos], pos), lineno,
+ name, filename)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/loaders.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/loaders.py b/ambari-common/src/main/python/jinja2/jinja2/loaders.py
new file mode 100644
index 0000000..bd435e8
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/loaders.py
@@ -0,0 +1,449 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.loaders
+ ~~~~~~~~~~~~~~
+
+ Jinja loader classes.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import sys
+import weakref
+from types import ModuleType
+from os import path
+try:
+ from hashlib import sha1
+except ImportError:
+ from sha import new as sha1
+from jinja2.exceptions import TemplateNotFound
+from jinja2.utils import LRUCache, open_if_exists, internalcode
+
+
+def split_template_path(template):
+ """Split a path into segments and perform a sanity check. If it detects
+ '..' in the path it will raise a `TemplateNotFound` error.
+ """
+ pieces = []
+ for piece in template.split('/'):
+ if path.sep in piece \
+ or (path.altsep and path.altsep in piece) or \
+ piece == path.pardir:
+ raise TemplateNotFound(template)
+ elif piece and piece != '.':
+ pieces.append(piece)
+ return pieces
+
+
+class BaseLoader(object):
+ """Baseclass for all loaders. Subclass this and override `get_source` to
+ implement a custom loading mechanism. The environment provides a
+ `get_template` method that calls the loader's `load` method to get the
+ :class:`Template` object.
+
+ A very basic example for a loader that looks up templates on the file
+ system could look like this::
+
+ from jinja2 import BaseLoader, TemplateNotFound
+ from os.path import join, exists, getmtime
+
+ class MyLoader(BaseLoader):
+
+ def __init__(self, path):
+ self.path = path
+
+ def get_source(self, environment, template):
+ path = join(self.path, template)
+ if not exists(path):
+ raise TemplateNotFound(template)
+ mtime = getmtime(path)
+ with file(path) as f:
+ source = f.read().decode('utf-8')
+ return source, path, lambda: mtime == getmtime(path)
+ """
+
+ #: if set to `False` it indicates that the loader cannot provide access
+ #: to the source of templates.
+ #:
+ #: .. versionadded:: 2.4
+ has_source_access = True
+
+ def get_source(self, environment, template):
+ """Get the template source, filename and reload helper for a template.
+ It's passed the environment and template name and has to return a
+ tuple in the form ``(source, filename, uptodate)`` or raise a
+ `TemplateNotFound` error if it can't locate the template.
+
+ The source part of the returned tuple must be the source of the
+ template as unicode string or a ASCII bytestring. The filename should
+ be the name of the file on the filesystem if it was loaded from there,
+ otherwise `None`. The filename is used by python for the tracebacks
+ if no loader extension is used.
+
+ The last item in the tuple is the `uptodate` function. If auto
+ reloading is enabled it's always called to check if the template
+ changed. No arguments are passed so the function must store the
+ old state somewhere (for example in a closure). If it returns `False`
+ the template will be reloaded.
+ """
+ if not self.has_source_access:
+ raise RuntimeError('%s cannot provide access to the source' %
+ self.__class__.__name__)
+ raise TemplateNotFound(template)
+
+ def list_templates(self):
+ """Iterates over all templates. If the loader does not support that
+ it should raise a :exc:`TypeError` which is the default behavior.
+ """
+ raise TypeError('this loader cannot iterate over all templates')
+
+ @internalcode
+ def load(self, environment, name, globals=None):
+ """Loads a template. This method looks up the template in the cache
+ or loads one by calling :meth:`get_source`. Subclasses should not
+ override this method as loaders working on collections of other
+ loaders (such as :class:`PrefixLoader` or :class:`ChoiceLoader`)
+ will not call this method but `get_source` directly.
+ """
+ code = None
+ if globals is None:
+ globals = {}
+
+ # first we try to get the source for this template together
+ # with the filename and the uptodate function.
+ source, filename, uptodate = self.get_source(environment, name)
+
+ # try to load the code from the bytecode cache if there is a
+ # bytecode cache configured.
+ bcc = environment.bytecode_cache
+ if bcc is not None:
+ bucket = bcc.get_bucket(environment, name, filename, source)
+ code = bucket.code
+
+ # if we don't have code so far (not cached, no longer up to
+ # date) etc. we compile the template
+ if code is None:
+ code = environment.compile(source, name, filename)
+
+ # if the bytecode cache is available and the bucket doesn't
+ # have a code so far, we give the bucket the new code and put
+ # it back to the bytecode cache.
+ if bcc is not None and bucket.code is None:
+ bucket.code = code
+ bcc.set_bucket(bucket)
+
+ return environment.template_class.from_code(environment, code,
+ globals, uptodate)
+
+
+class FileSystemLoader(BaseLoader):
+ """Loads templates from the file system. This loader can find templates
+ in folders on the file system and is the preferred way to load them.
+
+ The loader takes the path to the templates as string, or if multiple
+ locations are wanted a list of them which is then looked up in the
+ given order:
+
+ >>> loader = FileSystemLoader('/path/to/templates')
+ >>> loader = FileSystemLoader(['/path/to/templates', '/other/path'])
+
+ Per default the template encoding is ``'utf-8'`` which can be changed
+ by setting the `encoding` parameter to something else.
+ """
+
+ def __init__(self, searchpath, encoding='utf-8'):
+ if isinstance(searchpath, basestring):
+ searchpath = [searchpath]
+ self.searchpath = list(searchpath)
+ self.encoding = encoding
+
+ def get_source(self, environment, template):
+ pieces = split_template_path(template)
+ for searchpath in self.searchpath:
+ filename = path.join(searchpath, *pieces)
+ f = open_if_exists(filename)
+ if f is None:
+ continue
+ try:
+ contents = f.read().decode(self.encoding)
+ finally:
+ f.close()
+
+ mtime = path.getmtime(filename)
+ def uptodate():
+ try:
+ return path.getmtime(filename) == mtime
+ except OSError:
+ return False
+ return contents, filename, uptodate
+ raise TemplateNotFound(template)
+
+ def list_templates(self):
+ found = set()
+ for searchpath in self.searchpath:
+ for dirpath, dirnames, filenames in os.walk(searchpath):
+ for filename in filenames:
+ template = os.path.join(dirpath, filename) \
+ [len(searchpath):].strip(os.path.sep) \
+ .replace(os.path.sep, '/')
+ if template[:2] == './':
+ template = template[2:]
+ if template not in found:
+ found.add(template)
+ return sorted(found)
+
+
+class PackageLoader(BaseLoader):
+ """Load templates from python eggs or packages. It is constructed with
+ the name of the python package and the path to the templates in that
+ package::
+
+ loader = PackageLoader('mypackage', 'views')
+
+ If the package path is not given, ``'templates'`` is assumed.
+
+ Per default the template encoding is ``'utf-8'`` which can be changed
+ by setting the `encoding` parameter to something else. Due to the nature
+ of eggs it's only possible to reload templates if the package was loaded
+ from the file system and not a zip file.
+ """
+
+ def __init__(self, package_name, package_path='templates',
+ encoding='utf-8'):
+ from pkg_resources import DefaultProvider, ResourceManager, \
+ get_provider
+ provider = get_provider(package_name)
+ self.encoding = encoding
+ self.manager = ResourceManager()
+ self.filesystem_bound = isinstance(provider, DefaultProvider)
+ self.provider = provider
+ self.package_path = package_path
+
+ def get_source(self, environment, template):
+ pieces = split_template_path(template)
+ p = '/'.join((self.package_path,) + tuple(pieces))
+ if not self.provider.has_resource(p):
+ raise TemplateNotFound(template)
+
+ filename = uptodate = None
+ if self.filesystem_bound:
+ filename = self.provider.get_resource_filename(self.manager, p)
+ mtime = path.getmtime(filename)
+ def uptodate():
+ try:
+ return path.getmtime(filename) == mtime
+ except OSError:
+ return False
+
+ source = self.provider.get_resource_string(self.manager, p)
+ return source.decode(self.encoding), filename, uptodate
+
+ def list_templates(self):
+ path = self.package_path
+ if path[:2] == './':
+ path = path[2:]
+ elif path == '.':
+ path = ''
+ offset = len(path)
+ results = []
+ def _walk(path):
+ for filename in self.provider.resource_listdir(path):
+ fullname = path + '/' + filename
+ if self.provider.resource_isdir(fullname):
+ for item in _walk(fullname):
+ results.append(item)
+ else:
+ results.append(fullname[offset:].lstrip('/'))
+ _walk(path)
+ results.sort()
+ return results
+
+
+class DictLoader(BaseLoader):
+ """Loads a template from a python dict. It's passed a dict of unicode
+ strings bound to template names. This loader is useful for unittesting:
+
+ >>> loader = DictLoader({'index.html': 'source here'})
+
+ Because auto reloading is rarely useful this is disabled per default.
+ """
+
+ def __init__(self, mapping):
+ self.mapping = mapping
+
+ def get_source(self, environment, template):
+ if template in self.mapping:
+ source = self.mapping[template]
+ return source, None, lambda: source != self.mapping.get(template)
+ raise TemplateNotFound(template)
+
+ def list_templates(self):
+ return sorted(self.mapping)
+
+
+class FunctionLoader(BaseLoader):
+ """A loader that is passed a function which does the loading. The
+ function becomes the name of the template passed and has to return either
+ an unicode string with the template source, a tuple in the form ``(source,
+ filename, uptodatefunc)`` or `None` if the template does not exist.
+
+ >>> def load_template(name):
+ ... if name == 'index.html':
+ ... return '...'
+ ...
+ >>> loader = FunctionLoader(load_template)
+
+ The `uptodatefunc` is a function that is called if autoreload is enabled
+ and has to return `True` if the template is still up to date. For more
+ details have a look at :meth:`BaseLoader.get_source` which has the same
+ return value.
+ """
+
+ def __init__(self, load_func):
+ self.load_func = load_func
+
+ def get_source(self, environment, template):
+ rv = self.load_func(template)
+ if rv is None:
+ raise TemplateNotFound(template)
+ elif isinstance(rv, basestring):
+ return rv, None, None
+ return rv
+
+
+class PrefixLoader(BaseLoader):
+ """A loader that is passed a dict of loaders where each loader is bound
+ to a prefix. The prefix is delimited from the template by a slash per
+ default, which can be changed by setting the `delimiter` argument to
+ something else::
+
+ loader = PrefixLoader({
+ 'app1': PackageLoader('mypackage.app1'),
+ 'app2': PackageLoader('mypackage.app2')
+ })
+
+ By loading ``'app1/index.html'`` the file from the app1 package is loaded,
+ by loading ``'app2/index.html'`` the file from the second.
+ """
+
+ def __init__(self, mapping, delimiter='/'):
+ self.mapping = mapping
+ self.delimiter = delimiter
+
+ def get_source(self, environment, template):
+ try:
+ prefix, name = template.split(self.delimiter, 1)
+ loader = self.mapping[prefix]
+ except (ValueError, KeyError):
+ raise TemplateNotFound(template)
+ try:
+ return loader.get_source(environment, name)
+ except TemplateNotFound:
+ # re-raise the exception with the correct fileame here.
+ # (the one that includes the prefix)
+ raise TemplateNotFound(template)
+
+ def list_templates(self):
+ result = []
+ for prefix, loader in self.mapping.iteritems():
+ for template in loader.list_templates():
+ result.append(prefix + self.delimiter + template)
+ return result
+
+
+class ChoiceLoader(BaseLoader):
+ """This loader works like the `PrefixLoader` just that no prefix is
+ specified. If a template could not be found by one loader the next one
+ is tried.
+
+ >>> loader = ChoiceLoader([
+ ... FileSystemLoader('/path/to/user/templates'),
+ ... FileSystemLoader('/path/to/system/templates')
+ ... ])
+
+ This is useful if you want to allow users to override builtin templates
+ from a different location.
+ """
+
+ def __init__(self, loaders):
+ self.loaders = loaders
+
+ def get_source(self, environment, template):
+ for loader in self.loaders:
+ try:
+ return loader.get_source(environment, template)
+ except TemplateNotFound:
+ pass
+ raise TemplateNotFound(template)
+
+ def list_templates(self):
+ found = set()
+ for loader in self.loaders:
+ found.update(loader.list_templates())
+ return sorted(found)
+
+
+class _TemplateModule(ModuleType):
+ """Like a normal module but with support for weak references"""
+
+
+class ModuleLoader(BaseLoader):
+ """This loader loads templates from precompiled templates.
+
+ Example usage:
+
+ >>> loader = ChoiceLoader([
+ ... ModuleLoader('/path/to/compiled/templates'),
+ ... FileSystemLoader('/path/to/templates')
+ ... ])
+ """
+
+ has_source_access = False
+
+ def __init__(self, path):
+ package_name = '_jinja2_module_templates_%x' % id(self)
+
+ # create a fake module that looks for the templates in the
+ # path given.
+ mod = _TemplateModule(package_name)
+ if isinstance(path, basestring):
+ path = [path]
+ else:
+ path = list(path)
+ mod.__path__ = path
+
+ sys.modules[package_name] = weakref.proxy(mod,
+ lambda x: sys.modules.pop(package_name, None))
+
+ # the only strong reference, the sys.modules entry is weak
+ # so that the garbage collector can remove it once the
+ # loader that created it goes out of business.
+ self.module = mod
+ self.package_name = package_name
+
+ @staticmethod
+ def get_template_key(name):
+ return 'tmpl_' + sha1(name.encode('utf-8')).hexdigest()
+
+ @staticmethod
+ def get_module_filename(name):
+ return ModuleLoader.get_template_key(name) + '.py'
+
+ @internalcode
+ def load(self, environment, name, globals=None):
+ key = self.get_template_key(name)
+ module = '%s.%s' % (self.package_name, key)
+ mod = getattr(self.module, module, None)
+ if mod is None:
+ try:
+ mod = __import__(module, None, None, ['root'])
+ except ImportError:
+ raise TemplateNotFound(name)
+
+ # remove the entry from sys.modules, we only want the attribute
+ # on the module object we have stored on the loader.
+ sys.modules.pop(module, None)
+
+ return environment.template_class.from_module_dict(
+ environment, mod.__dict__, globals)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/meta.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/meta.py b/ambari-common/src/main/python/jinja2/jinja2/meta.py
new file mode 100644
index 0000000..3a779a5
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/meta.py
@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.meta
+ ~~~~~~~~~~~
+
+ This module implements various functions that exposes information about
+ templates that might be interesting for various kinds of applications.
+
+ :copyright: (c) 2010 by the Jinja Team, see AUTHORS for more details.
+ :license: BSD, see LICENSE for more details.
+"""
+from jinja2 import nodes
+from jinja2.compiler import CodeGenerator
+
+
+class TrackingCodeGenerator(CodeGenerator):
+ """We abuse the code generator for introspection."""
+
+ def __init__(self, environment):
+ CodeGenerator.__init__(self, environment, '<introspection>',
+ '<introspection>')
+ self.undeclared_identifiers = set()
+
+ def write(self, x):
+ """Don't write."""
+
+ def pull_locals(self, frame):
+ """Remember all undeclared identifiers."""
+ self.undeclared_identifiers.update(frame.identifiers.undeclared)
+
+
+def find_undeclared_variables(ast):
+ """Returns a set of all variables in the AST that will be looked up from
+ the context at runtime. Because at compile time it's not known which
+ variables will be used depending on the path the execution takes at
+ runtime, all variables are returned.
+
+ >>> from jinja2 import Environment, meta
+ >>> env = Environment()
+ >>> ast = env.parse('{% set foo = 42 %}{{ bar + foo }}')
+ >>> meta.find_undeclared_variables(ast)
+ set(['bar'])
+
+ .. admonition:: Implementation
+
+ Internally the code generator is used for finding undeclared variables.
+ This is good to know because the code generator might raise a
+ :exc:`TemplateAssertionError` during compilation and as a matter of
+ fact this function can currently raise that exception as well.
+ """
+ codegen = TrackingCodeGenerator(ast.environment)
+ codegen.visit(ast)
+ return codegen.undeclared_identifiers
+
+
+def find_referenced_templates(ast):
+ """Finds all the referenced templates from the AST. This will return an
+ iterator over all the hardcoded template extensions, inclusions and
+ imports. If dynamic inheritance or inclusion is used, `None` will be
+ yielded.
+
+ >>> from jinja2 import Environment, meta
+ >>> env = Environment()
+ >>> ast = env.parse('{% extends "layout.html" %}{% include helper %}')
+ >>> list(meta.find_referenced_templates(ast))
+ ['layout.html', None]
+
+ This function is useful for dependency tracking. For example if you want
+ to rebuild parts of the website after a layout template has changed.
+ """
+ for node in ast.find_all((nodes.Extends, nodes.FromImport, nodes.Import,
+ nodes.Include)):
+ if not isinstance(node.template, nodes.Const):
+ # a tuple with some non consts in there
+ if isinstance(node.template, (nodes.Tuple, nodes.List)):
+ for template_name in node.template.items:
+ # something const, only yield the strings and ignore
+ # non-string consts that really just make no sense
+ if isinstance(template_name, nodes.Const):
+ if isinstance(template_name.value, basestring):
+ yield template_name.value
+ # something dynamic in there
+ else:
+ yield None
+ # something dynamic we don't know about here
+ else:
+ yield None
+ continue
+ # constant is a basestring, direct template name
+ if isinstance(node.template.value, basestring):
+ yield node.template.value
+ # a tuple or list (latter *should* not happen) made of consts,
+ # yield the consts that are strings. We could warn here for
+ # non string values
+ elif isinstance(node, nodes.Include) and \
+ isinstance(node.template.value, (tuple, list)):
+ for template_name in node.template.value:
+ if isinstance(template_name, basestring):
+ yield template_name
+ # something else we don't care about, we could warn here
+ else:
+ yield None
[02/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/sandbox.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/sandbox.py b/ambari-common/src/main/python/jinja2/jinja2/sandbox.py
new file mode 100644
index 0000000..7497195
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/sandbox.py
@@ -0,0 +1,271 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.sandbox
+ ~~~~~~~~~~~~~~
+
+ Adds a sandbox layer to Jinja as it was the default behavior in the old
+ Jinja 1 releases. This sandbox is slightly different from Jinja 1 as the
+ default behavior is easier to use.
+
+ The behavior can be changed by subclassing the environment.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+import operator
+from jinja2.runtime import Undefined
+from jinja2.environment import Environment
+from jinja2.exceptions import SecurityError
+from jinja2.utils import FunctionType, MethodType, TracebackType, CodeType, \
+ FrameType, GeneratorType
+
+
+#: maximum number of items a range may produce
+MAX_RANGE = 100000
+
+#: attributes of function objects that are considered unsafe.
+UNSAFE_FUNCTION_ATTRIBUTES = set(['func_closure', 'func_code', 'func_dict',
+ 'func_defaults', 'func_globals'])
+
+#: unsafe method attributes. function attributes are unsafe for methods too
+UNSAFE_METHOD_ATTRIBUTES = set(['im_class', 'im_func', 'im_self'])
+
+
+import warnings
+
+# make sure we don't warn in python 2.6 about stuff we don't care about
+warnings.filterwarnings('ignore', 'the sets module', DeprecationWarning,
+ module='jinja2.sandbox')
+
+from collections import deque
+
+_mutable_set_types = (set,)
+_mutable_mapping_types = (dict,)
+_mutable_sequence_types = (list,)
+
+
+# on python 2.x we can register the user collection types
+try:
+ from UserDict import UserDict, DictMixin
+ from UserList import UserList
+ _mutable_mapping_types += (UserDict, DictMixin)
+ _mutable_set_types += (UserList,)
+except ImportError:
+ pass
+
+# if sets is still available, register the mutable set from there as well
+try:
+ from sets import Set
+ _mutable_set_types += (Set,)
+except ImportError:
+ pass
+
+#: register Python 2.6 abstract base classes
+try:
+ from collections import MutableSet, MutableMapping, MutableSequence
+ _mutable_set_types += (MutableSet,)
+ _mutable_mapping_types += (MutableMapping,)
+ _mutable_sequence_types += (MutableSequence,)
+except ImportError:
+ pass
+
+_mutable_spec = (
+ (_mutable_set_types, frozenset([
+ 'add', 'clear', 'difference_update', 'discard', 'pop', 'remove',
+ 'symmetric_difference_update', 'update'
+ ])),
+ (_mutable_mapping_types, frozenset([
+ 'clear', 'pop', 'popitem', 'setdefault', 'update'
+ ])),
+ (_mutable_sequence_types, frozenset([
+ 'append', 'reverse', 'insert', 'sort', 'extend', 'remove'
+ ])),
+ (deque, frozenset([
+ 'append', 'appendleft', 'clear', 'extend', 'extendleft', 'pop',
+ 'popleft', 'remove', 'rotate'
+ ]))
+)
+
+
+def safe_range(*args):
+ """A range that can't generate ranges with a length of more than
+ MAX_RANGE items.
+ """
+ rng = xrange(*args)
+ if len(rng) > MAX_RANGE:
+ raise OverflowError('range too big, maximum size for range is %d' %
+ MAX_RANGE)
+ return rng
+
+
+def unsafe(f):
+ """
+ Mark a function or method as unsafe::
+
+ @unsafe
+ def delete(self):
+ pass
+ """
+ f.unsafe_callable = True
+ return f
+
+
+def is_internal_attribute(obj, attr):
+ """Test if the attribute given is an internal python attribute. For
+ example this function returns `True` for the `func_code` attribute of
+ python objects. This is useful if the environment method
+ :meth:`~SandboxedEnvironment.is_safe_attribute` is overriden.
+
+ >>> from jinja2.sandbox import is_internal_attribute
+ >>> is_internal_attribute(lambda: None, "func_code")
+ True
+ >>> is_internal_attribute((lambda x:x).func_code, 'co_code')
+ True
+ >>> is_internal_attribute(str, "upper")
+ False
+ """
+ if isinstance(obj, FunctionType):
+ if attr in UNSAFE_FUNCTION_ATTRIBUTES:
+ return True
+ elif isinstance(obj, MethodType):
+ if attr in UNSAFE_FUNCTION_ATTRIBUTES or \
+ attr in UNSAFE_METHOD_ATTRIBUTES:
+ return True
+ elif isinstance(obj, type):
+ if attr == 'mro':
+ return True
+ elif isinstance(obj, (CodeType, TracebackType, FrameType)):
+ return True
+ elif isinstance(obj, GeneratorType):
+ if attr == 'gi_frame':
+ return True
+ return attr.startswith('__')
+
+
+def modifies_known_mutable(obj, attr):
+ """This function checks if an attribute on a builtin mutable object
+ (list, dict, set or deque) would modify it if called. It also supports
+ the "user"-versions of the objects (`sets.Set`, `UserDict.*` etc.) and
+ with Python 2.6 onwards the abstract base classes `MutableSet`,
+ `MutableMapping`, and `MutableSequence`.
+
+ >>> modifies_known_mutable({}, "clear")
+ True
+ >>> modifies_known_mutable({}, "keys")
+ False
+ >>> modifies_known_mutable([], "append")
+ True
+ >>> modifies_known_mutable([], "index")
+ False
+
+ If called with an unsupported object (such as unicode) `False` is
+ returned.
+
+ >>> modifies_known_mutable("foo", "upper")
+ False
+ """
+ for typespec, unsafe in _mutable_spec:
+ if isinstance(obj, typespec):
+ return attr in unsafe
+ return False
+
+
+class SandboxedEnvironment(Environment):
+ """The sandboxed environment. It works like the regular environment but
+ tells the compiler to generate sandboxed code. Additionally subclasses of
+ this environment may override the methods that tell the runtime what
+ attributes or functions are safe to access.
+
+ If the template tries to access insecure code a :exc:`SecurityError` is
+ raised. However also other exceptions may occour during the rendering so
+ the caller has to ensure that all exceptions are catched.
+ """
+ sandboxed = True
+
+ def __init__(self, *args, **kwargs):
+ Environment.__init__(self, *args, **kwargs)
+ self.globals['range'] = safe_range
+
+ def is_safe_attribute(self, obj, attr, value):
+ """The sandboxed environment will call this method to check if the
+ attribute of an object is safe to access. Per default all attributes
+ starting with an underscore are considered private as well as the
+ special attributes of internal python objects as returned by the
+ :func:`is_internal_attribute` function.
+ """
+ return not (attr.startswith('_') or is_internal_attribute(obj, attr))
+
+ def is_safe_callable(self, obj):
+ """Check if an object is safely callable. Per default a function is
+ considered safe unless the `unsafe_callable` attribute exists and is
+ True. Override this method to alter the behavior, but this won't
+ affect the `unsafe` decorator from this module.
+ """
+ return not (getattr(obj, 'unsafe_callable', False) or \
+ getattr(obj, 'alters_data', False))
+
+ def getitem(self, obj, argument):
+ """Subscribe an object from sandboxed code."""
+ try:
+ return obj[argument]
+ except (TypeError, LookupError):
+ if isinstance(argument, basestring):
+ try:
+ attr = str(argument)
+ except:
+ pass
+ else:
+ try:
+ value = getattr(obj, attr)
+ except AttributeError:
+ pass
+ else:
+ if self.is_safe_attribute(obj, argument, value):
+ return value
+ return self.unsafe_undefined(obj, argument)
+ return self.undefined(obj=obj, name=argument)
+
+ def getattr(self, obj, attribute):
+ """Subscribe an object from sandboxed code and prefer the
+ attribute. The attribute passed *must* be a bytestring.
+ """
+ try:
+ value = getattr(obj, attribute)
+ except AttributeError:
+ try:
+ return obj[attribute]
+ except (TypeError, LookupError):
+ pass
+ else:
+ if self.is_safe_attribute(obj, attribute, value):
+ return value
+ return self.unsafe_undefined(obj, attribute)
+ return self.undefined(obj=obj, name=attribute)
+
+ def unsafe_undefined(self, obj, attribute):
+ """Return an undefined object for unsafe attributes."""
+ return self.undefined('access to attribute %r of %r '
+ 'object is unsafe.' % (
+ attribute,
+ obj.__class__.__name__
+ ), name=attribute, obj=obj, exc=SecurityError)
+
+ def call(__self, __context, __obj, *args, **kwargs):
+ """Call an object from sandboxed code."""
+ # the double prefixes are to avoid double keyword argument
+ # errors when proxying the call.
+ if not __self.is_safe_callable(__obj):
+ raise SecurityError('%r is not safely callable' % (__obj,))
+ return __context.call(__obj, *args, **kwargs)
+
+
+class ImmutableSandboxedEnvironment(SandboxedEnvironment):
+ """Works exactly like the regular `SandboxedEnvironment` but does not
+ permit modifications on the builtin mutable objects `list`, `set`, and
+ `dict` by using the :func:`modifies_known_mutable` function.
+ """
+
+ def is_safe_attribute(self, obj, attr, value):
+ if not SandboxedEnvironment.is_safe_attribute(self, obj, attr, value):
+ return False
+ return not modifies_known_mutable(obj, attr)
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/tests.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/tests.py b/ambari-common/src/main/python/jinja2/jinja2/tests.py
new file mode 100644
index 0000000..d257eca
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/tests.py
@@ -0,0 +1,146 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.tests
+ ~~~~~~~~~~~~
+
+ Jinja test functions. Used with the "is" operator.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+from jinja2.runtime import Undefined
+
+# nose, nothing here to test
+__test__ = False
+
+
+number_re = re.compile(r'^-?\d+(\.\d+)?$')
+regex_type = type(number_re)
+
+
+try:
+ test_callable = callable
+except NameError:
+ def test_callable(x):
+ return hasattr(x, '__call__')
+
+
+def test_odd(value):
+ """Return true if the variable is odd."""
+ return value % 2 == 1
+
+
+def test_even(value):
+ """Return true if the variable is even."""
+ return value % 2 == 0
+
+
+def test_divisibleby(value, num):
+ """Check if a variable is divisible by a number."""
+ return value % num == 0
+
+
+def test_defined(value):
+ """Return true if the variable is defined:
+
+ .. sourcecode:: jinja
+
+ {% if variable is defined %}
+ value of variable: {{ variable }}
+ {% else %}
+ variable is not defined
+ {% endif %}
+
+ See the :func:`default` filter for a simple way to set undefined
+ variables.
+ """
+ return not isinstance(value, Undefined)
+
+
+def test_undefined(value):
+ """Like :func:`defined` but the other way round."""
+ return isinstance(value, Undefined)
+
+
+def test_none(value):
+ """Return true if the variable is none."""
+ return value is None
+
+
+def test_lower(value):
+ """Return true if the variable is lowercased."""
+ return unicode(value).islower()
+
+
+def test_upper(value):
+ """Return true if the variable is uppercased."""
+ return unicode(value).isupper()
+
+
+def test_string(value):
+ """Return true if the object is a string."""
+ return isinstance(value, basestring)
+
+
+def test_number(value):
+ """Return true if the variable is a number."""
+ return isinstance(value, (int, long, float, complex))
+
+
+def test_sequence(value):
+ """Return true if the variable is a sequence. Sequences are variables
+ that are iterable.
+ """
+ try:
+ len(value)
+ value.__getitem__
+ except:
+ return False
+ return True
+
+
+def test_sameas(value, other):
+ """Check if an object points to the same memory address than another
+ object:
+
+ .. sourcecode:: jinja
+
+ {% if foo.attribute is sameas false %}
+ the foo attribute really is the `False` singleton
+ {% endif %}
+ """
+ return value is other
+
+
+def test_iterable(value):
+ """Check if it's possible to iterate over an object."""
+ try:
+ iter(value)
+ except TypeError:
+ return False
+ return True
+
+
+def test_escaped(value):
+ """Check if the value is escaped."""
+ return hasattr(value, '__html__')
+
+
+TESTS = {
+ 'odd': test_odd,
+ 'even': test_even,
+ 'divisibleby': test_divisibleby,
+ 'defined': test_defined,
+ 'undefined': test_undefined,
+ 'none': test_none,
+ 'lower': test_lower,
+ 'upper': test_upper,
+ 'string': test_string,
+ 'number': test_number,
+ 'sequence': test_sequence,
+ 'iterable': test_iterable,
+ 'callable': test_callable,
+ 'sameas': test_sameas,
+ 'escaped': test_escaped
+}
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/__init__.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/__init__.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/__init__.py
new file mode 100644
index 0000000..1f10ef6
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/__init__.py
@@ -0,0 +1,95 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite
+ ~~~~~~~~~~~~~~~~
+
+ All the unittests of Jinja2. These tests can be executed by
+ either running run-tests.py using multiple Python versions at
+ the same time.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import re
+import sys
+import unittest
+from traceback import format_exception
+from jinja2 import loaders
+
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+dict_loader = loaders.DictLoader({
+ 'justdict.html': 'FOO'
+})
+package_loader = loaders.PackageLoader('jinja2.testsuite.res', 'templates')
+filesystem_loader = loaders.FileSystemLoader(here + '/res/templates')
+function_loader = loaders.FunctionLoader({'justfunction.html': 'FOO'}.get)
+choice_loader = loaders.ChoiceLoader([dict_loader, package_loader])
+prefix_loader = loaders.PrefixLoader({
+ 'a': filesystem_loader,
+ 'b': dict_loader
+})
+
+
+class JinjaTestCase(unittest.TestCase):
+
+ ### use only these methods for testing. If you need standard
+ ### unittest method, wrap them!
+
+ def setup(self):
+ pass
+
+ def teardown(self):
+ pass
+
+ def setUp(self):
+ self.setup()
+
+ def tearDown(self):
+ self.teardown()
+
+ def assert_equal(self, a, b):
+ return self.assertEqual(a, b)
+
+ def assert_raises(self, *args, **kwargs):
+ return self.assertRaises(*args, **kwargs)
+
+ def assert_traceback_matches(self, callback, expected_tb):
+ try:
+ callback()
+ except Exception, e:
+ tb = format_exception(*sys.exc_info())
+ if re.search(expected_tb.strip(), ''.join(tb)) is None:
+ raise self.fail('Traceback did not match:\n\n%s\nexpected:\n%s'
+ % (''.join(tb), expected_tb))
+ else:
+ self.fail('Expected exception')
+
+
+def suite():
+ from jinja2.testsuite import ext, filters, tests, core_tags, \
+ loader, inheritance, imports, lexnparse, security, api, \
+ regression, debug, utils, doctests
+ suite = unittest.TestSuite()
+ suite.addTest(ext.suite())
+ suite.addTest(filters.suite())
+ suite.addTest(tests.suite())
+ suite.addTest(core_tags.suite())
+ suite.addTest(loader.suite())
+ suite.addTest(inheritance.suite())
+ suite.addTest(imports.suite())
+ suite.addTest(lexnparse.suite())
+ suite.addTest(security.suite())
+ suite.addTest(api.suite())
+ suite.addTest(regression.suite())
+ suite.addTest(debug.suite())
+ suite.addTest(utils.suite())
+
+ # doctests will not run on python 3 currently. Too many issues
+ # with that, do not test that on that platform.
+ if sys.version_info < (3, 0):
+ suite.addTest(doctests.suite())
+
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/api.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/api.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/api.py
new file mode 100644
index 0000000..7463c7f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/api.py
@@ -0,0 +1,240 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.api
+ ~~~~~~~~~~~~~~~~~~~~
+
+ Tests the public API and related stuff.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, Undefined, DebugUndefined, \
+ StrictUndefined, UndefinedError, Template, meta, \
+ is_undefined, Template, DictLoader
+from jinja2.utils import Cycler
+
+env = Environment()
+
+
+class ExtendedAPITestCase(JinjaTestCase):
+
+ def test_item_and_attribute(self):
+ from jinja2.sandbox import SandboxedEnvironment
+
+ for env in Environment(), SandboxedEnvironment():
+ # the |list is necessary for python3
+ tmpl = env.from_string('{{ foo.items()|list }}')
+ assert tmpl.render(foo={'items': 42}) == "[('items', 42)]"
+ tmpl = env.from_string('{{ foo|attr("items")()|list }}')
+ assert tmpl.render(foo={'items': 42}) == "[('items', 42)]"
+ tmpl = env.from_string('{{ foo["items"] }}')
+ assert tmpl.render(foo={'items': 42}) == '42'
+
+ def test_finalizer(self):
+ def finalize_none_empty(value):
+ if value is None:
+ value = u''
+ return value
+ env = Environment(finalize=finalize_none_empty)
+ tmpl = env.from_string('{% for item in seq %}|{{ item }}{% endfor %}')
+ assert tmpl.render(seq=(None, 1, "foo")) == '||1|foo'
+ tmpl = env.from_string('<{{ none }}>')
+ assert tmpl.render() == '<>'
+
+ def test_cycler(self):
+ items = 1, 2, 3
+ c = Cycler(*items)
+ for item in items + items:
+ assert c.current == item
+ assert c.next() == item
+ c.next()
+ assert c.current == 2
+ c.reset()
+ assert c.current == 1
+
+ def test_expressions(self):
+ expr = env.compile_expression("foo")
+ assert expr() is None
+ assert expr(foo=42) == 42
+ expr2 = env.compile_expression("foo", undefined_to_none=False)
+ assert is_undefined(expr2())
+
+ expr = env.compile_expression("42 + foo")
+ assert expr(foo=42) == 84
+
+ def test_template_passthrough(self):
+ t = Template('Content')
+ assert env.get_template(t) is t
+ assert env.select_template([t]) is t
+ assert env.get_or_select_template([t]) is t
+ assert env.get_or_select_template(t) is t
+
+ def test_autoescape_autoselect(self):
+ def select_autoescape(name):
+ if name is None or '.' not in name:
+ return False
+ return name.endswith('.html')
+ env = Environment(autoescape=select_autoescape,
+ loader=DictLoader({
+ 'test.txt': '{{ foo }}',
+ 'test.html': '{{ foo }}'
+ }))
+ t = env.get_template('test.txt')
+ assert t.render(foo='<foo>') == '<foo>'
+ t = env.get_template('test.html')
+ assert t.render(foo='<foo>') == '<foo>'
+ t = env.from_string('{{ foo }}')
+ assert t.render(foo='<foo>') == '<foo>'
+
+
+class MetaTestCase(JinjaTestCase):
+
+ def test_find_undeclared_variables(self):
+ ast = env.parse('{% set foo = 42 %}{{ bar + foo }}')
+ x = meta.find_undeclared_variables(ast)
+ assert x == set(['bar'])
+
+ ast = env.parse('{% set foo = 42 %}{{ bar + foo }}'
+ '{% macro meh(x) %}{{ x }}{% endmacro %}'
+ '{% for item in seq %}{{ muh(item) + meh(seq) }}{% endfor %}')
+ x = meta.find_undeclared_variables(ast)
+ assert x == set(['bar', 'seq', 'muh'])
+
+ def test_find_refererenced_templates(self):
+ ast = env.parse('{% extends "layout.html" %}{% include helper %}')
+ i = meta.find_referenced_templates(ast)
+ assert i.next() == 'layout.html'
+ assert i.next() is None
+ assert list(i) == []
+
+ ast = env.parse('{% extends "layout.html" %}'
+ '{% from "test.html" import a, b as c %}'
+ '{% import "meh.html" as meh %}'
+ '{% include "muh.html" %}')
+ i = meta.find_referenced_templates(ast)
+ assert list(i) == ['layout.html', 'test.html', 'meh.html', 'muh.html']
+
+ def test_find_included_templates(self):
+ ast = env.parse('{% include ["foo.html", "bar.html"] %}')
+ i = meta.find_referenced_templates(ast)
+ assert list(i) == ['foo.html', 'bar.html']
+
+ ast = env.parse('{% include ("foo.html", "bar.html") %}')
+ i = meta.find_referenced_templates(ast)
+ assert list(i) == ['foo.html', 'bar.html']
+
+ ast = env.parse('{% include ["foo.html", "bar.html", foo] %}')
+ i = meta.find_referenced_templates(ast)
+ assert list(i) == ['foo.html', 'bar.html', None]
+
+ ast = env.parse('{% include ("foo.html", "bar.html", foo) %}')
+ i = meta.find_referenced_templates(ast)
+ assert list(i) == ['foo.html', 'bar.html', None]
+
+
+class StreamingTestCase(JinjaTestCase):
+
+ def test_basic_streaming(self):
+ tmpl = env.from_string("<ul>{% for item in seq %}<li>{{ loop.index "
+ "}} - {{ item }}</li>{%- endfor %}</ul>")
+ stream = tmpl.stream(seq=range(4))
+ self.assert_equal(stream.next(), '<ul>')
+ self.assert_equal(stream.next(), '<li>1 - 0</li>')
+ self.assert_equal(stream.next(), '<li>2 - 1</li>')
+ self.assert_equal(stream.next(), '<li>3 - 2</li>')
+ self.assert_equal(stream.next(), '<li>4 - 3</li>')
+ self.assert_equal(stream.next(), '</ul>')
+
+ def test_buffered_streaming(self):
+ tmpl = env.from_string("<ul>{% for item in seq %}<li>{{ loop.index "
+ "}} - {{ item }}</li>{%- endfor %}</ul>")
+ stream = tmpl.stream(seq=range(4))
+ stream.enable_buffering(size=3)
+ self.assert_equal(stream.next(), u'<ul><li>1 - 0</li><li>2 - 1</li>')
+ self.assert_equal(stream.next(), u'<li>3 - 2</li><li>4 - 3</li></ul>')
+
+ def test_streaming_behavior(self):
+ tmpl = env.from_string("")
+ stream = tmpl.stream()
+ assert not stream.buffered
+ stream.enable_buffering(20)
+ assert stream.buffered
+ stream.disable_buffering()
+ assert not stream.buffered
+
+
+class UndefinedTestCase(JinjaTestCase):
+
+ def test_stopiteration_is_undefined(self):
+ def test():
+ raise StopIteration()
+ t = Template('A{{ test() }}B')
+ assert t.render(test=test) == 'AB'
+ t = Template('A{{ test().missingattribute }}B')
+ self.assert_raises(UndefinedError, t.render, test=test)
+
+ def test_default_undefined(self):
+ env = Environment(undefined=Undefined)
+ self.assert_equal(env.from_string('{{ missing }}').render(), u'')
+ self.assert_raises(UndefinedError,
+ env.from_string('{{ missing.attribute }}').render)
+ self.assert_equal(env.from_string('{{ missing|list }}').render(), '[]')
+ self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True')
+ self.assert_equal(env.from_string('{{ foo.missing }}').render(foo=42), '')
+ self.assert_equal(env.from_string('{{ not missing }}').render(), 'True')
+
+ def test_debug_undefined(self):
+ env = Environment(undefined=DebugUndefined)
+ self.assert_equal(env.from_string('{{ missing }}').render(), '{{ missing }}')
+ self.assert_raises(UndefinedError,
+ env.from_string('{{ missing.attribute }}').render)
+ self.assert_equal(env.from_string('{{ missing|list }}').render(), '[]')
+ self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True')
+ self.assert_equal(env.from_string('{{ foo.missing }}').render(foo=42),
+ u"{{ no such element: int object['missing'] }}")
+ self.assert_equal(env.from_string('{{ not missing }}').render(), 'True')
+
+ def test_strict_undefined(self):
+ env = Environment(undefined=StrictUndefined)
+ self.assert_raises(UndefinedError, env.from_string('{{ missing }}').render)
+ self.assert_raises(UndefinedError, env.from_string('{{ missing.attribute }}').render)
+ self.assert_raises(UndefinedError, env.from_string('{{ missing|list }}').render)
+ self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True')
+ self.assert_raises(UndefinedError, env.from_string('{{ foo.missing }}').render, foo=42)
+ self.assert_raises(UndefinedError, env.from_string('{{ not missing }}').render)
+
+ def test_indexing_gives_undefined(self):
+ t = Template("{{ var[42].foo }}")
+ self.assert_raises(UndefinedError, t.render, var=0)
+
+ def test_none_gives_proper_error(self):
+ try:
+ Environment().getattr(None, 'split')()
+ except UndefinedError, e:
+ assert e.message == "'None' has no attribute 'split'"
+ else:
+ assert False, 'expected exception'
+
+ def test_object_repr(self):
+ try:
+ Undefined(obj=42, name='upper')()
+ except UndefinedError, e:
+ assert e.message == "'int object' has no attribute 'upper'"
+ else:
+ assert False, 'expected exception'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(ExtendedAPITestCase))
+ suite.addTest(unittest.makeSuite(MetaTestCase))
+ suite.addTest(unittest.makeSuite(StreamingTestCase))
+ suite.addTest(unittest.makeSuite(UndefinedTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/core_tags.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/core_tags.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/core_tags.py
new file mode 100644
index 0000000..d456b4f
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/core_tags.py
@@ -0,0 +1,286 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.core_tags
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Test the core tags like for and if.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, TemplateSyntaxError, UndefinedError, \
+ DictLoader
+
+env = Environment()
+
+
+class ForLoopTestCase(JinjaTestCase):
+
+ def test_simple(self):
+ tmpl = env.from_string('{% for item in seq %}{{ item }}{% endfor %}')
+ assert tmpl.render(seq=range(10)) == '0123456789'
+
+ def test_else(self):
+ tmpl = env.from_string('{% for item in seq %}XXX{% else %}...{% endfor %}')
+ assert tmpl.render() == '...'
+
+ def test_empty_blocks(self):
+ tmpl = env.from_string('<{% for item in seq %}{% else %}{% endfor %}>')
+ assert tmpl.render() == '<>'
+
+ def test_context_vars(self):
+ tmpl = env.from_string('''{% for item in seq -%}
+ {{ loop.index }}|{{ loop.index0 }}|{{ loop.revindex }}|{{
+ loop.revindex0 }}|{{ loop.first }}|{{ loop.last }}|{{
+ loop.length }}###{% endfor %}''')
+ one, two, _ = tmpl.render(seq=[0, 1]).split('###')
+ (one_index, one_index0, one_revindex, one_revindex0, one_first,
+ one_last, one_length) = one.split('|')
+ (two_index, two_index0, two_revindex, two_revindex0, two_first,
+ two_last, two_length) = two.split('|')
+
+ assert int(one_index) == 1 and int(two_index) == 2
+ assert int(one_index0) == 0 and int(two_index0) == 1
+ assert int(one_revindex) == 2 and int(two_revindex) == 1
+ assert int(one_revindex0) == 1 and int(two_revindex0) == 0
+ assert one_first == 'True' and two_first == 'False'
+ assert one_last == 'False' and two_last == 'True'
+ assert one_length == two_length == '2'
+
+ def test_cycling(self):
+ tmpl = env.from_string('''{% for item in seq %}{{
+ loop.cycle('<1>', '<2>') }}{% endfor %}{%
+ for item in seq %}{{ loop.cycle(*through) }}{% endfor %}''')
+ output = tmpl.render(seq=range(4), through=('<1>', '<2>'))
+ assert output == '<1><2>' * 4
+
+ def test_scope(self):
+ tmpl = env.from_string('{% for item in seq %}{% endfor %}{{ item }}')
+ output = tmpl.render(seq=range(10))
+ assert not output
+
+ def test_varlen(self):
+ def inner():
+ for item in range(5):
+ yield item
+ tmpl = env.from_string('{% for item in iter %}{{ item }}{% endfor %}')
+ output = tmpl.render(iter=inner())
+ assert output == '01234'
+
+ def test_noniter(self):
+ tmpl = env.from_string('{% for item in none %}...{% endfor %}')
+ self.assert_raises(TypeError, tmpl.render)
+
+ def test_recursive(self):
+ tmpl = env.from_string('''{% for item in seq recursive -%}
+ [{{ item.a }}{% if item.b %}<{{ loop(item.b) }}>{% endif %}]
+ {%- endfor %}''')
+ assert tmpl.render(seq=[
+ dict(a=1, b=[dict(a=1), dict(a=2)]),
+ dict(a=2, b=[dict(a=1), dict(a=2)]),
+ dict(a=3, b=[dict(a='a')])
+ ]) == '[1<[1][2]>][2<[1][2]>][3<[a]>]'
+
+ def test_looploop(self):
+ tmpl = env.from_string('''{% for row in table %}
+ {%- set rowloop = loop -%}
+ {% for cell in row -%}
+ [{{ rowloop.index }}|{{ loop.index }}]
+ {%- endfor %}
+ {%- endfor %}''')
+ assert tmpl.render(table=['ab', 'cd']) == '[1|1][1|2][2|1][2|2]'
+
+ def test_reversed_bug(self):
+ tmpl = env.from_string('{% for i in items %}{{ i }}'
+ '{% if not loop.last %}'
+ ',{% endif %}{% endfor %}')
+ assert tmpl.render(items=reversed([3, 2, 1])) == '1,2,3'
+
+ def test_loop_errors(self):
+ tmpl = env.from_string('''{% for item in [1] if loop.index
+ == 0 %}...{% endfor %}''')
+ self.assert_raises(UndefinedError, tmpl.render)
+ tmpl = env.from_string('''{% for item in [] %}...{% else
+ %}{{ loop }}{% endfor %}''')
+ assert tmpl.render() == ''
+
+ def test_loop_filter(self):
+ tmpl = env.from_string('{% for item in range(10) if item '
+ 'is even %}[{{ item }}]{% endfor %}')
+ assert tmpl.render() == '[0][2][4][6][8]'
+ tmpl = env.from_string('''
+ {%- for item in range(10) if item is even %}[{{
+ loop.index }}:{{ item }}]{% endfor %}''')
+ assert tmpl.render() == '[1:0][2:2][3:4][4:6][5:8]'
+
+ def test_loop_unassignable(self):
+ self.assert_raises(TemplateSyntaxError, env.from_string,
+ '{% for loop in seq %}...{% endfor %}')
+
+ def test_scoped_special_var(self):
+ t = env.from_string('{% for s in seq %}[{{ loop.first }}{% for c in s %}'
+ '|{{ loop.first }}{% endfor %}]{% endfor %}')
+ assert t.render(seq=('ab', 'cd')) == '[True|True|False][False|True|False]'
+
+ def test_scoped_loop_var(self):
+ t = env.from_string('{% for x in seq %}{{ loop.first }}'
+ '{% for y in seq %}{% endfor %}{% endfor %}')
+ assert t.render(seq='ab') == 'TrueFalse'
+ t = env.from_string('{% for x in seq %}{% for y in seq %}'
+ '{{ loop.first }}{% endfor %}{% endfor %}')
+ assert t.render(seq='ab') == 'TrueFalseTrueFalse'
+
+ def test_recursive_empty_loop_iter(self):
+ t = env.from_string('''
+ {%- for item in foo recursive -%}{%- endfor -%}
+ ''')
+ assert t.render(dict(foo=[])) == ''
+
+ def test_call_in_loop(self):
+ t = env.from_string('''
+ {%- macro do_something() -%}
+ [{{ caller() }}]
+ {%- endmacro %}
+
+ {%- for i in [1, 2, 3] %}
+ {%- call do_something() -%}
+ {{ i }}
+ {%- endcall %}
+ {%- endfor -%}
+ ''')
+ assert t.render() == '[1][2][3]'
+
+ def test_scoping_bug(self):
+ t = env.from_string('''
+ {%- for item in foo %}...{{ item }}...{% endfor %}
+ {%- macro item(a) %}...{{ a }}...{% endmacro %}
+ {{- item(2) -}}
+ ''')
+ assert t.render(foo=(1,)) == '...1......2...'
+
+ def test_unpacking(self):
+ tmpl = env.from_string('{% for a, b, c in [[1, 2, 3]] %}'
+ '{{ a }}|{{ b }}|{{ c }}{% endfor %}')
+ assert tmpl.render() == '1|2|3'
+
+
+class IfConditionTestCase(JinjaTestCase):
+
+ def test_simple(self):
+ tmpl = env.from_string('''{% if true %}...{% endif %}''')
+ assert tmpl.render() == '...'
+
+ def test_elif(self):
+ tmpl = env.from_string('''{% if false %}XXX{% elif true
+ %}...{% else %}XXX{% endif %}''')
+ assert tmpl.render() == '...'
+
+ def test_else(self):
+ tmpl = env.from_string('{% if false %}XXX{% else %}...{% endif %}')
+ assert tmpl.render() == '...'
+
+ def test_empty(self):
+ tmpl = env.from_string('[{% if true %}{% else %}{% endif %}]')
+ assert tmpl.render() == '[]'
+
+ def test_complete(self):
+ tmpl = env.from_string('{% if a %}A{% elif b %}B{% elif c == d %}'
+ 'C{% else %}D{% endif %}')
+ assert tmpl.render(a=0, b=False, c=42, d=42.0) == 'C'
+
+ def test_no_scope(self):
+ tmpl = env.from_string('{% if a %}{% set foo = 1 %}{% endif %}{{ foo }}')
+ assert tmpl.render(a=True) == '1'
+ tmpl = env.from_string('{% if true %}{% set foo = 1 %}{% endif %}{{ foo }}')
+ assert tmpl.render() == '1'
+
+
+class MacrosTestCase(JinjaTestCase):
+ env = Environment(trim_blocks=True)
+
+ def test_simple(self):
+ tmpl = self.env.from_string('''\
+{% macro say_hello(name) %}Hello {{ name }}!{% endmacro %}
+{{ say_hello('Peter') }}''')
+ assert tmpl.render() == 'Hello Peter!'
+
+ def test_scoping(self):
+ tmpl = self.env.from_string('''\
+{% macro level1(data1) %}
+{% macro level2(data2) %}{{ data1 }}|{{ data2 }}{% endmacro %}
+{{ level2('bar') }}{% endmacro %}
+{{ level1('foo') }}''')
+ assert tmpl.render() == 'foo|bar'
+
+ def test_arguments(self):
+ tmpl = self.env.from_string('''\
+{% macro m(a, b, c='c', d='d') %}{{ a }}|{{ b }}|{{ c }}|{{ d }}{% endmacro %}
+{{ m() }}|{{ m('a') }}|{{ m('a', 'b') }}|{{ m(1, 2, 3) }}''')
+ assert tmpl.render() == '||c|d|a||c|d|a|b|c|d|1|2|3|d'
+
+ def test_varargs(self):
+ tmpl = self.env.from_string('''\
+{% macro test() %}{{ varargs|join('|') }}{% endmacro %}\
+{{ test(1, 2, 3) }}''')
+ assert tmpl.render() == '1|2|3'
+
+ def test_simple_call(self):
+ tmpl = self.env.from_string('''\
+{% macro test() %}[[{{ caller() }}]]{% endmacro %}\
+{% call test() %}data{% endcall %}''')
+ assert tmpl.render() == '[[data]]'
+
+ def test_complex_call(self):
+ tmpl = self.env.from_string('''\
+{% macro test() %}[[{{ caller('data') }}]]{% endmacro %}\
+{% call(data) test() %}{{ data }}{% endcall %}''')
+ assert tmpl.render() == '[[data]]'
+
+ def test_caller_undefined(self):
+ tmpl = self.env.from_string('''\
+{% set caller = 42 %}\
+{% macro test() %}{{ caller is not defined }}{% endmacro %}\
+{{ test() }}''')
+ assert tmpl.render() == 'True'
+
+ def test_include(self):
+ self.env = Environment(loader=DictLoader({'include':
+ '{% macro test(foo) %}[{{ foo }}]{% endmacro %}'}))
+ tmpl = self.env.from_string('{% from "include" import test %}{{ test("foo") }}')
+ assert tmpl.render() == '[foo]'
+
+ def test_macro_api(self):
+ tmpl = self.env.from_string('{% macro foo(a, b) %}{% endmacro %}'
+ '{% macro bar() %}{{ varargs }}{{ kwargs }}{% endmacro %}'
+ '{% macro baz() %}{{ caller() }}{% endmacro %}')
+ assert tmpl.module.foo.arguments == ('a', 'b')
+ assert tmpl.module.foo.defaults == ()
+ assert tmpl.module.foo.name == 'foo'
+ assert not tmpl.module.foo.caller
+ assert not tmpl.module.foo.catch_kwargs
+ assert not tmpl.module.foo.catch_varargs
+ assert tmpl.module.bar.arguments == ()
+ assert tmpl.module.bar.defaults == ()
+ assert not tmpl.module.bar.caller
+ assert tmpl.module.bar.catch_kwargs
+ assert tmpl.module.bar.catch_varargs
+ assert tmpl.module.baz.caller
+
+ def test_callself(self):
+ tmpl = self.env.from_string('{% macro foo(x) %}{{ x }}{% if x > 1 %}|'
+ '{{ foo(x - 1) }}{% endif %}{% endmacro %}'
+ '{{ foo(5) }}')
+ assert tmpl.render() == '5|4|3|2|1'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(ForLoopTestCase))
+ suite.addTest(unittest.makeSuite(IfConditionTestCase))
+ suite.addTest(unittest.makeSuite(MacrosTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/debug.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/debug.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/debug.py
new file mode 100644
index 0000000..7552dec
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/debug.py
@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.debug
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests the debug system.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import sys
+import unittest
+
+from jinja2.testsuite import JinjaTestCase, filesystem_loader
+
+from jinja2 import Environment, TemplateSyntaxError
+
+env = Environment(loader=filesystem_loader)
+
+
+class DebugTestCase(JinjaTestCase):
+
+ if sys.version_info[:2] != (2, 4):
+ def test_runtime_error(self):
+ def test():
+ tmpl.render(fail=lambda: 1 / 0)
+ tmpl = env.get_template('broken.html')
+ self.assert_traceback_matches(test, r'''
+ File ".*?broken.html", line 2, in (top-level template code|<module>)
+ \{\{ fail\(\) \}\}
+ File ".*?debug.pyc?", line \d+, in <lambda>
+ tmpl\.render\(fail=lambda: 1 / 0\)
+ZeroDivisionError: (int(eger)? )?division (or modulo )?by zero
+''')
+
+ def test_syntax_error(self):
+ # XXX: the .*? is necessary for python3 which does not hide
+ # some of the stack frames we don't want to show. Not sure
+ # what's up with that, but that is not that critical. Should
+ # be fixed though.
+ self.assert_traceback_matches(lambda: env.get_template('syntaxerror.html'), r'''(?sm)
+ File ".*?syntaxerror.html", line 4, in (template|<module>)
+ \{% endif %\}.*?
+(jinja2\.exceptions\.)?TemplateSyntaxError: Encountered unknown tag 'endif'. Jinja was looking for the following tags: 'endfor' or 'else'. The innermost block that needs to be closed is 'for'.
+ ''')
+
+ def test_regular_syntax_error(self):
+ def test():
+ raise TemplateSyntaxError('wtf', 42)
+ self.assert_traceback_matches(test, r'''
+ File ".*debug.pyc?", line \d+, in test
+ raise TemplateSyntaxError\('wtf', 42\)
+(jinja2\.exceptions\.)?TemplateSyntaxError: wtf
+ line 42''')
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(DebugTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/doctests.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/doctests.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/doctests.py
new file mode 100644
index 0000000..616d3b6
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/doctests.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.doctests
+ ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ The doctests. Collects all tests we want to test from
+ the Jinja modules.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import unittest
+import doctest
+
+
+def suite():
+ from jinja2 import utils, sandbox, runtime, meta, loaders, \
+ ext, environment, bccache, nodes
+ suite = unittest.TestSuite()
+ suite.addTest(doctest.DocTestSuite(utils))
+ suite.addTest(doctest.DocTestSuite(sandbox))
+ suite.addTest(doctest.DocTestSuite(runtime))
+ suite.addTest(doctest.DocTestSuite(meta))
+ suite.addTest(doctest.DocTestSuite(loaders))
+ suite.addTest(doctest.DocTestSuite(ext))
+ suite.addTest(doctest.DocTestSuite(environment))
+ suite.addTest(doctest.DocTestSuite(bccache))
+ suite.addTest(doctest.DocTestSuite(nodes))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/ext.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/ext.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/ext.py
new file mode 100644
index 0000000..89b8579
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/ext.py
@@ -0,0 +1,455 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.ext
+ ~~~~~~~~~~~~~~~~~~~~
+
+ Tests for the extensions.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import re
+import unittest
+
+from jinja2.testsuite import JinjaTestCase, filesystem_loader
+
+from jinja2 import Environment, DictLoader, contextfunction, nodes
+from jinja2.exceptions import TemplateAssertionError
+from jinja2.ext import Extension
+from jinja2.lexer import Token, count_newlines
+from jinja2.utils import next
+
+# 2.x / 3.x
+try:
+ from io import BytesIO
+except ImportError:
+ from StringIO import StringIO as BytesIO
+
+
+importable_object = 23
+
+_gettext_re = re.compile(r'_\((.*?)\)(?s)')
+
+
+i18n_templates = {
+ 'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
+ '{% block body %}{% endblock %}',
+ 'child.html': '{% extends "master.html" %}{% block body %}'
+ '{% trans %}watch out{% endtrans %}{% endblock %}',
+ 'plural.html': '{% trans user_count %}One user online{% pluralize %}'
+ '{{ user_count }} users online{% endtrans %}',
+ 'stringformat.html': '{{ _("User: %(num)s")|format(num=user_count) }}'
+}
+
+newstyle_i18n_templates = {
+ 'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
+ '{% block body %}{% endblock %}',
+ 'child.html': '{% extends "master.html" %}{% block body %}'
+ '{% trans %}watch out{% endtrans %}{% endblock %}',
+ 'plural.html': '{% trans user_count %}One user online{% pluralize %}'
+ '{{ user_count }} users online{% endtrans %}',
+ 'stringformat.html': '{{ _("User: %(num)s", num=user_count) }}',
+ 'ngettext.html': '{{ ngettext("%(num)s apple", "%(num)s apples", apples) }}',
+ 'ngettext_long.html': '{% trans num=apples %}{{ num }} apple{% pluralize %}'
+ '{{ num }} apples{% endtrans %}',
+ 'transvars1.html': '{% trans %}User: {{ num }}{% endtrans %}',
+ 'transvars2.html': '{% trans num=count %}User: {{ num }}{% endtrans %}',
+ 'transvars3.html': '{% trans count=num %}User: {{ count }}{% endtrans %}',
+ 'novars.html': '{% trans %}%(hello)s{% endtrans %}',
+ 'vars.html': '{% trans %}{{ foo }}%(foo)s{% endtrans %}',
+ 'explicitvars.html': '{% trans foo="42" %}%(foo)s{% endtrans %}'
+}
+
+
+languages = {
+ 'de': {
+ 'missing': u'fehlend',
+ 'watch out': u'pass auf',
+ 'One user online': u'Ein Benutzer online',
+ '%(user_count)s users online': u'%(user_count)s Benutzer online',
+ 'User: %(num)s': u'Benutzer: %(num)s',
+ 'User: %(count)s': u'Benutzer: %(count)s',
+ '%(num)s apple': u'%(num)s Apfel',
+ '%(num)s apples': u'%(num)s Äpfel'
+ }
+}
+
+
+@contextfunction
+def gettext(context, string):
+ language = context.get('LANGUAGE', 'en')
+ return languages.get(language, {}).get(string, string)
+
+
+@contextfunction
+def ngettext(context, s, p, n):
+ language = context.get('LANGUAGE', 'en')
+ if n != 1:
+ return languages.get(language, {}).get(p, p)
+ return languages.get(language, {}).get(s, s)
+
+
+i18n_env = Environment(
+ loader=DictLoader(i18n_templates),
+ extensions=['jinja2.ext.i18n']
+)
+i18n_env.globals.update({
+ '_': gettext,
+ 'gettext': gettext,
+ 'ngettext': ngettext
+})
+
+newstyle_i18n_env = Environment(
+ loader=DictLoader(newstyle_i18n_templates),
+ extensions=['jinja2.ext.i18n']
+)
+newstyle_i18n_env.install_gettext_callables(gettext, ngettext, newstyle=True)
+
+class TestExtension(Extension):
+ tags = set(['test'])
+ ext_attr = 42
+
+ def parse(self, parser):
+ return nodes.Output([self.call_method('_dump', [
+ nodes.EnvironmentAttribute('sandboxed'),
+ self.attr('ext_attr'),
+ nodes.ImportedName(__name__ + '.importable_object'),
+ nodes.ContextReference()
+ ])]).set_lineno(next(parser.stream).lineno)
+
+ def _dump(self, sandboxed, ext_attr, imported_object, context):
+ return '%s|%s|%s|%s' % (
+ sandboxed,
+ ext_attr,
+ imported_object,
+ context.blocks
+ )
+
+
+class PreprocessorExtension(Extension):
+
+ def preprocess(self, source, name, filename=None):
+ return source.replace('[[TEST]]', '({{ foo }})')
+
+
+class StreamFilterExtension(Extension):
+
+ def filter_stream(self, stream):
+ for token in stream:
+ if token.type == 'data':
+ for t in self.interpolate(token):
+ yield t
+ else:
+ yield token
+
+ def interpolate(self, token):
+ pos = 0
+ end = len(token.value)
+ lineno = token.lineno
+ while 1:
+ match = _gettext_re.search(token.value, pos)
+ if match is None:
+ break
+ value = token.value[pos:match.start()]
+ if value:
+ yield Token(lineno, 'data', value)
+ lineno += count_newlines(token.value)
+ yield Token(lineno, 'variable_begin', None)
+ yield Token(lineno, 'name', 'gettext')
+ yield Token(lineno, 'lparen', None)
+ yield Token(lineno, 'string', match.group(1))
+ yield Token(lineno, 'rparen', None)
+ yield Token(lineno, 'variable_end', None)
+ pos = match.end()
+ if pos < end:
+ yield Token(lineno, 'data', token.value[pos:])
+
+
+class ExtensionsTestCase(JinjaTestCase):
+
+ def test_extend_late(self):
+ env = Environment()
+ env.add_extension('jinja2.ext.autoescape')
+ t = env.from_string('{% autoescape true %}{{ "<test>" }}{% endautoescape %}')
+ assert t.render() == '<test>'
+
+ def test_loop_controls(self):
+ env = Environment(extensions=['jinja2.ext.loopcontrols'])
+
+ tmpl = env.from_string('''
+ {%- for item in [1, 2, 3, 4] %}
+ {%- if item % 2 == 0 %}{% continue %}{% endif -%}
+ {{ item }}
+ {%- endfor %}''')
+ assert tmpl.render() == '13'
+
+ tmpl = env.from_string('''
+ {%- for item in [1, 2, 3, 4] %}
+ {%- if item > 2 %}{% break %}{% endif -%}
+ {{ item }}
+ {%- endfor %}''')
+ assert tmpl.render() == '12'
+
+ def test_do(self):
+ env = Environment(extensions=['jinja2.ext.do'])
+ tmpl = env.from_string('''
+ {%- set items = [] %}
+ {%- for char in "foo" %}
+ {%- do items.append(loop.index0 ~ char) %}
+ {%- endfor %}{{ items|join(', ') }}''')
+ assert tmpl.render() == '0f, 1o, 2o'
+
+ def test_with(self):
+ env = Environment(extensions=['jinja2.ext.with_'])
+ tmpl = env.from_string('''\
+ {% with a=42, b=23 -%}
+ {{ a }} = {{ b }}
+ {% endwith -%}
+ {{ a }} = {{ b }}\
+ ''')
+ assert [x.strip() for x in tmpl.render(a=1, b=2).splitlines()] \
+ == ['42 = 23', '1 = 2']
+
+ def test_extension_nodes(self):
+ env = Environment(extensions=[TestExtension])
+ tmpl = env.from_string('{% test %}')
+ assert tmpl.render() == 'False|42|23|{}'
+
+ def test_identifier(self):
+ assert TestExtension.identifier == __name__ + '.TestExtension'
+
+ def test_rebinding(self):
+ original = Environment(extensions=[TestExtension])
+ overlay = original.overlay()
+ for env in original, overlay:
+ for ext in env.extensions.itervalues():
+ assert ext.environment is env
+
+ def test_preprocessor_extension(self):
+ env = Environment(extensions=[PreprocessorExtension])
+ tmpl = env.from_string('{[[TEST]]}')
+ assert tmpl.render(foo=42) == '{(42)}'
+
+ def test_streamfilter_extension(self):
+ env = Environment(extensions=[StreamFilterExtension])
+ env.globals['gettext'] = lambda x: x.upper()
+ tmpl = env.from_string('Foo _(bar) Baz')
+ out = tmpl.render()
+ assert out == 'Foo BAR Baz'
+
+ def test_extension_ordering(self):
+ class T1(Extension):
+ priority = 1
+ class T2(Extension):
+ priority = 2
+ env = Environment(extensions=[T1, T2])
+ ext = list(env.iter_extensions())
+ assert ext[0].__class__ is T1
+ assert ext[1].__class__ is T2
+
+
+class InternationalizationTestCase(JinjaTestCase):
+
+ def test_trans(self):
+ tmpl = i18n_env.get_template('child.html')
+ assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
+
+ def test_trans_plural(self):
+ tmpl = i18n_env.get_template('plural.html')
+ assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
+ assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
+
+ def test_complex_plural(self):
+ tmpl = i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
+ 'pluralize count %}{{ count }} items{% endtrans %}')
+ assert tmpl.render() == '2 items'
+ self.assert_raises(TemplateAssertionError, i18n_env.from_string,
+ '{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
+
+ def test_trans_stringformatting(self):
+ tmpl = i18n_env.get_template('stringformat.html')
+ assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
+
+ def test_extract(self):
+ from jinja2.ext import babel_extract
+ source = BytesIO('''
+ {{ gettext('Hello World') }}
+ {% trans %}Hello World{% endtrans %}
+ {% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
+ '''.encode('ascii')) # make python 3 happy
+ assert list(babel_extract(source, ('gettext', 'ngettext', '_'), [], {})) == [
+ (2, 'gettext', u'Hello World', []),
+ (3, 'gettext', u'Hello World', []),
+ (4, 'ngettext', (u'%(users)s user', u'%(users)s users', None), [])
+ ]
+
+ def test_comment_extract(self):
+ from jinja2.ext import babel_extract
+ source = BytesIO('''
+ {# trans first #}
+ {{ gettext('Hello World') }}
+ {% trans %}Hello World{% endtrans %}{# trans second #}
+ {#: third #}
+ {% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
+ '''.encode('utf-8')) # make python 3 happy
+ assert list(babel_extract(source, ('gettext', 'ngettext', '_'), ['trans', ':'], {})) == [
+ (3, 'gettext', u'Hello World', ['first']),
+ (4, 'gettext', u'Hello World', ['second']),
+ (6, 'ngettext', (u'%(users)s user', u'%(users)s users', None), ['third'])
+ ]
+
+
+class NewstyleInternationalizationTestCase(JinjaTestCase):
+
+ def test_trans(self):
+ tmpl = newstyle_i18n_env.get_template('child.html')
+ assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
+
+ def test_trans_plural(self):
+ tmpl = newstyle_i18n_env.get_template('plural.html')
+ assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
+ assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
+
+ def test_complex_plural(self):
+ tmpl = newstyle_i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
+ 'pluralize count %}{{ count }} items{% endtrans %}')
+ assert tmpl.render() == '2 items'
+ self.assert_raises(TemplateAssertionError, i18n_env.from_string,
+ '{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
+
+ def test_trans_stringformatting(self):
+ tmpl = newstyle_i18n_env.get_template('stringformat.html')
+ assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
+
+ def test_newstyle_plural(self):
+ tmpl = newstyle_i18n_env.get_template('ngettext.html')
+ assert tmpl.render(LANGUAGE='de', apples=1) == '1 Apfel'
+ assert tmpl.render(LANGUAGE='de', apples=5) == u'5 Äpfel'
+
+ def test_autoescape_support(self):
+ env = Environment(extensions=['jinja2.ext.autoescape',
+ 'jinja2.ext.i18n'])
+ env.install_gettext_callables(lambda x: u'<strong>Wert: %(name)s</strong>',
+ lambda s, p, n: s, newstyle=True)
+ t = env.from_string('{% autoescape ae %}{{ gettext("foo", name='
+ '"<test>") }}{% endautoescape %}')
+ assert t.render(ae=True) == '<strong>Wert: <test></strong>'
+ assert t.render(ae=False) == '<strong>Wert: <test></strong>'
+
+ def test_num_used_twice(self):
+ tmpl = newstyle_i18n_env.get_template('ngettext_long.html')
+ assert tmpl.render(apples=5, LANGUAGE='de') == u'5 Äpfel'
+
+ def test_num_called_num(self):
+ source = newstyle_i18n_env.compile('''
+ {% trans num=3 %}{{ num }} apple{% pluralize
+ %}{{ num }} apples{% endtrans %}
+ ''', raw=True)
+ # quite hacky, but the only way to properly test that. The idea is
+ # that the generated code does not pass num twice (although that
+ # would work) for better performance. This only works on the
+ # newstyle gettext of course
+ assert re.search(r"l_ngettext, u?'\%\(num\)s apple', u?'\%\(num\)s "
+ r"apples', 3", source) is not None
+
+ def test_trans_vars(self):
+ t1 = newstyle_i18n_env.get_template('transvars1.html')
+ t2 = newstyle_i18n_env.get_template('transvars2.html')
+ t3 = newstyle_i18n_env.get_template('transvars3.html')
+ assert t1.render(num=1, LANGUAGE='de') == 'Benutzer: 1'
+ assert t2.render(count=23, LANGUAGE='de') == 'Benutzer: 23'
+ assert t3.render(num=42, LANGUAGE='de') == 'Benutzer: 42'
+
+ def test_novars_vars_escaping(self):
+ t = newstyle_i18n_env.get_template('novars.html')
+ assert t.render() == '%(hello)s'
+ t = newstyle_i18n_env.get_template('vars.html')
+ assert t.render(foo='42') == '42%(foo)s'
+ t = newstyle_i18n_env.get_template('explicitvars.html')
+ assert t.render() == '%(foo)s'
+
+
+class AutoEscapeTestCase(JinjaTestCase):
+
+ def test_scoped_setting(self):
+ env = Environment(extensions=['jinja2.ext.autoescape'],
+ autoescape=True)
+ tmpl = env.from_string('''
+ {{ "<HelloWorld>" }}
+ {% autoescape false %}
+ {{ "<HelloWorld>" }}
+ {% endautoescape %}
+ {{ "<HelloWorld>" }}
+ ''')
+ assert tmpl.render().split() == \
+ [u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
+
+ env = Environment(extensions=['jinja2.ext.autoescape'],
+ autoescape=False)
+ tmpl = env.from_string('''
+ {{ "<HelloWorld>" }}
+ {% autoescape true %}
+ {{ "<HelloWorld>" }}
+ {% endautoescape %}
+ {{ "<HelloWorld>" }}
+ ''')
+ assert tmpl.render().split() == \
+ [u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
+
+ def test_nonvolatile(self):
+ env = Environment(extensions=['jinja2.ext.autoescape'],
+ autoescape=True)
+ tmpl = env.from_string('{{ {"foo": "<test>"}|xmlattr|escape }}')
+ assert tmpl.render() == ' foo="<test>"'
+ tmpl = env.from_string('{% autoescape false %}{{ {"foo": "<test>"}'
+ '|xmlattr|escape }}{% endautoescape %}')
+ assert tmpl.render() == ' foo="&lt;test&gt;"'
+
+ def test_volatile(self):
+ env = Environment(extensions=['jinja2.ext.autoescape'],
+ autoescape=True)
+ tmpl = env.from_string('{% autoescape foo %}{{ {"foo": "<test>"}'
+ '|xmlattr|escape }}{% endautoescape %}')
+ assert tmpl.render(foo=False) == ' foo="&lt;test&gt;"'
+ assert tmpl.render(foo=True) == ' foo="<test>"'
+
+ def test_scoping(self):
+ env = Environment(extensions=['jinja2.ext.autoescape'])
+ tmpl = env.from_string('{% autoescape true %}{% set x = "<x>" %}{{ x }}'
+ '{% endautoescape %}{{ x }}{{ "<y>" }}')
+ assert tmpl.render(x=1) == '<x>1<y>'
+
+ def test_volatile_scoping(self):
+ env = Environment(extensions=['jinja2.ext.autoescape'])
+ tmplsource = '''
+ {% autoescape val %}
+ {% macro foo(x) %}
+ [{{ x }}]
+ {% endmacro %}
+ {{ foo().__class__.__name__ }}
+ {% endautoescape %}
+ {{ '<testing>' }}
+ '''
+ tmpl = env.from_string(tmplsource)
+ assert tmpl.render(val=True).split()[0] == 'Markup'
+ assert tmpl.render(val=False).split()[0] == unicode.__name__
+
+ # looking at the source we should see <testing> there in raw
+ # (and then escaped as well)
+ env = Environment(extensions=['jinja2.ext.autoescape'])
+ pysource = env.compile(tmplsource, raw=True)
+ assert '<testing>\\n' in pysource
+
+ env = Environment(extensions=['jinja2.ext.autoescape'],
+ autoescape=True)
+ pysource = env.compile(tmplsource, raw=True)
+ assert '<testing>\\n' in pysource
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(ExtensionsTestCase))
+ suite.addTest(unittest.makeSuite(InternationalizationTestCase))
+ suite.addTest(unittest.makeSuite(NewstyleInternationalizationTestCase))
+ suite.addTest(unittest.makeSuite(AutoEscapeTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/filters.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/filters.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/filters.py
new file mode 100644
index 0000000..b59c9e3
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/filters.py
@@ -0,0 +1,291 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.filters
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests for the jinja filters.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import unittest
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Markup, Environment
+
+env = Environment()
+
+
+class FilterTestCase(JinjaTestCase):
+
+ def test_capitalize(self):
+ tmpl = env.from_string('{{ "foo bar"|capitalize }}')
+ assert tmpl.render() == 'Foo bar'
+
+ def test_center(self):
+ tmpl = env.from_string('{{ "foo"|center(9) }}')
+ assert tmpl.render() == ' foo '
+
+ def test_default(self):
+ tmpl = env.from_string(
+ "{{ missing|default('no') }}|{{ false|default('no') }}|"
+ "{{ false|default('no', true) }}|{{ given|default('no') }}"
+ )
+ assert tmpl.render(given='yes') == 'no|False|no|yes'
+
+ def test_dictsort(self):
+ tmpl = env.from_string(
+ '{{ foo|dictsort }}|'
+ '{{ foo|dictsort(true) }}|'
+ '{{ foo|dictsort(false, "value") }}'
+ )
+ out = tmpl.render(foo={"aa": 0, "b": 1, "c": 2, "AB": 3})
+ assert out == ("[('aa', 0), ('AB', 3), ('b', 1), ('c', 2)]|"
+ "[('AB', 3), ('aa', 0), ('b', 1), ('c', 2)]|"
+ "[('aa', 0), ('b', 1), ('c', 2), ('AB', 3)]")
+
+ def test_batch(self):
+ tmpl = env.from_string("{{ foo|batch(3)|list }}|"
+ "{{ foo|batch(3, 'X')|list }}")
+ out = tmpl.render(foo=range(10))
+ assert out == ("[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]|"
+ "[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 'X', 'X']]")
+
+ def test_slice(self):
+ tmpl = env.from_string('{{ foo|slice(3)|list }}|'
+ '{{ foo|slice(3, "X")|list }}')
+ out = tmpl.render(foo=range(10))
+ assert out == ("[[0, 1, 2, 3], [4, 5, 6], [7, 8, 9]]|"
+ "[[0, 1, 2, 3], [4, 5, 6, 'X'], [7, 8, 9, 'X']]")
+
+ def test_escape(self):
+ tmpl = env.from_string('''{{ '<">&'|escape }}''')
+ out = tmpl.render()
+ assert out == '<">&'
+
+ def test_striptags(self):
+ tmpl = env.from_string('''{{ foo|striptags }}''')
+ out = tmpl.render(foo=' <p>just a small \n <a href="#">'
+ 'example</a> link</p>\n<p>to a webpage</p> '
+ '<!-- <p>and some commented stuff</p> -->')
+ assert out == 'just a small example link to a webpage'
+
+ def test_filesizeformat(self):
+ tmpl = env.from_string(
+ '{{ 100|filesizeformat }}|'
+ '{{ 1000|filesizeformat }}|'
+ '{{ 1000000|filesizeformat }}|'
+ '{{ 1000000000|filesizeformat }}|'
+ '{{ 1000000000000|filesizeformat }}|'
+ '{{ 100|filesizeformat(true) }}|'
+ '{{ 1000|filesizeformat(true) }}|'
+ '{{ 1000000|filesizeformat(true) }}|'
+ '{{ 1000000000|filesizeformat(true) }}|'
+ '{{ 1000000000000|filesizeformat(true) }}'
+ )
+ out = tmpl.render()
+ assert out == (
+ '100 Bytes|1.0 KB|1.0 MB|1.0 GB|1000.0 GB|'
+ '100 Bytes|1000 Bytes|976.6 KiB|953.7 MiB|931.3 GiB'
+ )
+
+ def test_first(self):
+ tmpl = env.from_string('{{ foo|first }}')
+ out = tmpl.render(foo=range(10))
+ assert out == '0'
+
+ def test_float(self):
+ tmpl = env.from_string('{{ "42"|float }}|'
+ '{{ "ajsghasjgd"|float }}|'
+ '{{ "32.32"|float }}')
+ out = tmpl.render()
+ assert out == '42.0|0.0|32.32'
+
+ def test_format(self):
+ tmpl = env.from_string('''{{ "%s|%s"|format("a", "b") }}''')
+ out = tmpl.render()
+ assert out == 'a|b'
+
+ def test_indent(self):
+ tmpl = env.from_string('{{ foo|indent(2) }}|{{ foo|indent(2, true) }}')
+ text = '\n'.join([' '.join(['foo', 'bar'] * 2)] * 2)
+ out = tmpl.render(foo=text)
+ assert out == ('foo bar foo bar\n foo bar foo bar| '
+ 'foo bar foo bar\n foo bar foo bar')
+
+ def test_int(self):
+ tmpl = env.from_string('{{ "42"|int }}|{{ "ajsghasjgd"|int }}|'
+ '{{ "32.32"|int }}')
+ out = tmpl.render()
+ assert out == '42|0|32'
+
+ def test_join(self):
+ tmpl = env.from_string('{{ [1, 2, 3]|join("|") }}')
+ out = tmpl.render()
+ assert out == '1|2|3'
+
+ env2 = Environment(autoescape=True)
+ tmpl = env2.from_string('{{ ["<foo>", "<span>foo</span>"|safe]|join }}')
+ assert tmpl.render() == '<foo><span>foo</span>'
+
+ def test_last(self):
+ tmpl = env.from_string('''{{ foo|last }}''')
+ out = tmpl.render(foo=range(10))
+ assert out == '9'
+
+ def test_length(self):
+ tmpl = env.from_string('''{{ "hello world"|length }}''')
+ out = tmpl.render()
+ assert out == '11'
+
+ def test_lower(self):
+ tmpl = env.from_string('''{{ "FOO"|lower }}''')
+ out = tmpl.render()
+ assert out == 'foo'
+
+ def test_pprint(self):
+ from pprint import pformat
+ tmpl = env.from_string('''{{ data|pprint }}''')
+ data = range(1000)
+ assert tmpl.render(data=data) == pformat(data)
+
+ def test_random(self):
+ tmpl = env.from_string('''{{ seq|random }}''')
+ seq = range(100)
+ for _ in range(10):
+ assert int(tmpl.render(seq=seq)) in seq
+
+ def test_reverse(self):
+ tmpl = env.from_string('{{ "foobar"|reverse|join }}|'
+ '{{ [1, 2, 3]|reverse|list }}')
+ assert tmpl.render() == 'raboof|[3, 2, 1]'
+
+ def test_string(self):
+ x = [1, 2, 3, 4, 5]
+ tmpl = env.from_string('''{{ obj|string }}''')
+ assert tmpl.render(obj=x) == unicode(x)
+
+ def test_title(self):
+ tmpl = env.from_string('''{{ "foo bar"|title }}''')
+ assert tmpl.render() == "Foo Bar"
+
+ def test_truncate(self):
+ tmpl = env.from_string(
+ '{{ data|truncate(15, true, ">>>") }}|'
+ '{{ data|truncate(15, false, ">>>") }}|'
+ '{{ smalldata|truncate(15) }}'
+ )
+ out = tmpl.render(data='foobar baz bar' * 1000,
+ smalldata='foobar baz bar')
+ assert out == 'foobar baz barf>>>|foobar baz >>>|foobar baz bar'
+
+ def test_upper(self):
+ tmpl = env.from_string('{{ "foo"|upper }}')
+ assert tmpl.render() == 'FOO'
+
+ def test_urlize(self):
+ tmpl = env.from_string('{{ "foo http://www.example.com/ bar"|urlize }}')
+ assert tmpl.render() == 'foo <a href="http://www.example.com/">'\
+ 'http://www.example.com/</a> bar'
+
+ def test_wordcount(self):
+ tmpl = env.from_string('{{ "foo bar baz"|wordcount }}')
+ assert tmpl.render() == '3'
+
+ def test_block(self):
+ tmpl = env.from_string('{% filter lower|escape %}<HEHE>{% endfilter %}')
+ assert tmpl.render() == '<hehe>'
+
+ def test_chaining(self):
+ tmpl = env.from_string('''{{ ['<foo>', '<bar>']|first|upper|escape }}''')
+ assert tmpl.render() == '<FOO>'
+
+ def test_sum(self):
+ tmpl = env.from_string('''{{ [1, 2, 3, 4, 5, 6]|sum }}''')
+ assert tmpl.render() == '21'
+
+ def test_abs(self):
+ tmpl = env.from_string('''{{ -1|abs }}|{{ 1|abs }}''')
+ assert tmpl.render() == '1|1', tmpl.render()
+
+ def test_round_positive(self):
+ tmpl = env.from_string('{{ 2.7|round }}|{{ 2.1|round }}|'
+ "{{ 2.1234|round(3, 'floor') }}|"
+ "{{ 2.1|round(0, 'ceil') }}")
+ assert tmpl.render() == '3.0|2.0|2.123|3.0', tmpl.render()
+
+ def test_round_negative(self):
+ tmpl = env.from_string('{{ 21.3|round(-1)}}|'
+ "{{ 21.3|round(-1, 'ceil')}}|"
+ "{{ 21.3|round(-1, 'floor')}}")
+ assert tmpl.render() == '20.0|30.0|20.0',tmpl.render()
+
+ def test_xmlattr(self):
+ tmpl = env.from_string("{{ {'foo': 42, 'bar': 23, 'fish': none, "
+ "'spam': missing, 'blub:blub': '<?>'}|xmlattr }}")
+ out = tmpl.render().split()
+ assert len(out) == 3
+ assert 'foo="42"' in out
+ assert 'bar="23"' in out
+ assert 'blub:blub="<?>"' in out
+
+ def test_sort1(self):
+ tmpl = env.from_string('{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}')
+ assert tmpl.render() == '[1, 2, 3]|[3, 2, 1]'
+
+ def test_sort2(self):
+ tmpl = env.from_string('{{ "".join(["c", "A", "b", "D"]|sort(false, true)) }}')
+ assert tmpl.render() == 'AbcD'
+
+ def test_groupby(self):
+ tmpl = env.from_string('''
+ {%- for grouper, list in [{'foo': 1, 'bar': 2},
+ {'foo': 2, 'bar': 3},
+ {'foo': 1, 'bar': 1},
+ {'foo': 3, 'bar': 4}]|groupby('foo') -%}
+ {{ grouper }}{% for x in list %}: {{ x.foo }}, {{ x.bar }}{% endfor %}|
+ {%- endfor %}''')
+ assert tmpl.render().split('|') == [
+ "1: 1, 2: 1, 1",
+ "2: 2, 3",
+ "3: 3, 4",
+ ""
+ ]
+
+ def test_filtertag(self):
+ tmpl = env.from_string("{% filter upper|replace('FOO', 'foo') %}"
+ "foobar{% endfilter %}")
+ assert tmpl.render() == 'fooBAR'
+
+ def test_replace(self):
+ env = Environment()
+ tmpl = env.from_string('{{ string|replace("o", 42) }}')
+ assert tmpl.render(string='<foo>') == '<f4242>'
+ env = Environment(autoescape=True)
+ tmpl = env.from_string('{{ string|replace("o", 42) }}')
+ assert tmpl.render(string='<foo>') == '<f4242>'
+ tmpl = env.from_string('{{ string|replace("<", 42) }}')
+ assert tmpl.render(string='<foo>') == '42foo>'
+ tmpl = env.from_string('{{ string|replace("o", ">x<") }}')
+ assert tmpl.render(string=Markup('foo')) == 'f>x<>x<'
+
+ def test_forceescape(self):
+ tmpl = env.from_string('{{ x|forceescape }}')
+ assert tmpl.render(x=Markup('<div />')) == u'<div />'
+
+ def test_safe(self):
+ env = Environment(autoescape=True)
+ tmpl = env.from_string('{{ "<div>foo</div>"|safe }}')
+ assert tmpl.render() == '<div>foo</div>'
+ tmpl = env.from_string('{{ "<div>foo</div>" }}')
+ assert tmpl.render() == '<div>foo</div>'
+
+ def test_sort2(self):
+ tmpl = env.from_string('''{{ ['foo', 'Bar', 'blah']|sort }}''')
+ assert tmpl.render() == "['Bar', 'blah', 'foo']"
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(FilterTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/imports.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/imports.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/imports.py
new file mode 100644
index 0000000..c785606
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/imports.py
@@ -0,0 +1,144 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.imports
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests the import features (with includes).
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, DictLoader
+from jinja2.exceptions import TemplateNotFound, TemplatesNotFound
+
+
+test_env = Environment(loader=DictLoader(dict(
+ module='{% macro test() %}[{{ foo }}|{{ bar }}]{% endmacro %}',
+ header='[{{ foo }}|{{ 23 }}]',
+ o_printer='({{ o }})'
+)))
+test_env.globals['bar'] = 23
+
+
+class ImportsTestCase(JinjaTestCase):
+
+ def test_context_imports(self):
+ t = test_env.from_string('{% import "module" as m %}{{ m.test() }}')
+ assert t.render(foo=42) == '[|23]'
+ t = test_env.from_string('{% import "module" as m without context %}{{ m.test() }}')
+ assert t.render(foo=42) == '[|23]'
+ t = test_env.from_string('{% import "module" as m with context %}{{ m.test() }}')
+ assert t.render(foo=42) == '[42|23]'
+ t = test_env.from_string('{% from "module" import test %}{{ test() }}')
+ assert t.render(foo=42) == '[|23]'
+ t = test_env.from_string('{% from "module" import test without context %}{{ test() }}')
+ assert t.render(foo=42) == '[|23]'
+ t = test_env.from_string('{% from "module" import test with context %}{{ test() }}')
+ assert t.render(foo=42) == '[42|23]'
+
+ def test_trailing_comma(self):
+ test_env.from_string('{% from "foo" import bar, baz with context %}')
+ test_env.from_string('{% from "foo" import bar, baz, with context %}')
+ test_env.from_string('{% from "foo" import bar, with context %}')
+ test_env.from_string('{% from "foo" import bar, with, context %}')
+ test_env.from_string('{% from "foo" import bar, with with context %}')
+
+ def test_exports(self):
+ m = test_env.from_string('''
+ {% macro toplevel() %}...{% endmacro %}
+ {% macro __private() %}...{% endmacro %}
+ {% set variable = 42 %}
+ {% for item in [1] %}
+ {% macro notthere() %}{% endmacro %}
+ {% endfor %}
+ ''').module
+ assert m.toplevel() == '...'
+ assert not hasattr(m, '__missing')
+ assert m.variable == 42
+ assert not hasattr(m, 'notthere')
+
+
+class IncludesTestCase(JinjaTestCase):
+
+ def test_context_include(self):
+ t = test_env.from_string('{% include "header" %}')
+ assert t.render(foo=42) == '[42|23]'
+ t = test_env.from_string('{% include "header" with context %}')
+ assert t.render(foo=42) == '[42|23]'
+ t = test_env.from_string('{% include "header" without context %}')
+ assert t.render(foo=42) == '[|23]'
+
+ def test_choice_includes(self):
+ t = test_env.from_string('{% include ["missing", "header"] %}')
+ assert t.render(foo=42) == '[42|23]'
+
+ t = test_env.from_string('{% include ["missing", "missing2"] ignore missing %}')
+ assert t.render(foo=42) == ''
+
+ t = test_env.from_string('{% include ["missing", "missing2"] %}')
+ self.assert_raises(TemplateNotFound, t.render)
+ try:
+ t.render()
+ except TemplatesNotFound, e:
+ assert e.templates == ['missing', 'missing2']
+ assert e.name == 'missing2'
+ else:
+ assert False, 'thou shalt raise'
+
+ def test_includes(t, **ctx):
+ ctx['foo'] = 42
+ assert t.render(ctx) == '[42|23]'
+
+ t = test_env.from_string('{% include ["missing", "header"] %}')
+ test_includes(t)
+ t = test_env.from_string('{% include x %}')
+ test_includes(t, x=['missing', 'header'])
+ t = test_env.from_string('{% include [x, "header"] %}')
+ test_includes(t, x='missing')
+ t = test_env.from_string('{% include x %}')
+ test_includes(t, x='header')
+ t = test_env.from_string('{% include x %}')
+ test_includes(t, x='header')
+ t = test_env.from_string('{% include [x] %}')
+ test_includes(t, x='header')
+
+ def test_include_ignoring_missing(self):
+ t = test_env.from_string('{% include "missing" %}')
+ self.assert_raises(TemplateNotFound, t.render)
+ for extra in '', 'with context', 'without context':
+ t = test_env.from_string('{% include "missing" ignore missing ' +
+ extra + ' %}')
+ assert t.render() == ''
+
+ def test_context_include_with_overrides(self):
+ env = Environment(loader=DictLoader(dict(
+ main="{% for item in [1, 2, 3] %}{% include 'item' %}{% endfor %}",
+ item="{{ item }}"
+ )))
+ assert env.get_template("main").render() == "123"
+
+ def test_unoptimized_scopes(self):
+ t = test_env.from_string("""
+ {% macro outer(o) %}
+ {% macro inner() %}
+ {% include "o_printer" %}
+ {% endmacro %}
+ {{ inner() }}
+ {% endmacro %}
+ {{ outer("FOO") }}
+ """)
+ assert t.render().strip() == '(FOO)'
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(ImportsTestCase))
+ suite.addTest(unittest.makeSuite(IncludesTestCase))
+ return suite
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/testsuite/inheritance.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/testsuite/inheritance.py b/ambari-common/src/main/python/jinja2/jinja2/testsuite/inheritance.py
new file mode 100644
index 0000000..87b4a59
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/testsuite/inheritance.py
@@ -0,0 +1,208 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.testsuite.inheritance
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Tests the template inheritance feature.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import os
+import time
+import tempfile
+import unittest
+
+from jinja2.testsuite import JinjaTestCase
+
+from jinja2 import Environment, DictLoader
+from jinja2.exceptions import TemplateSyntaxError
+
+
+LAYOUTTEMPLATE = '''\
+|{% block block1 %}block 1 from layout{% endblock %}
+|{% block block2 %}block 2 from layout{% endblock %}
+|{% block block3 %}
+{% block block4 %}nested block 4 from layout{% endblock %}
+{% endblock %}|'''
+
+LEVEL1TEMPLATE = '''\
+{% extends "layout" %}
+{% block block1 %}block 1 from level1{% endblock %}'''
+
+LEVEL2TEMPLATE = '''\
+{% extends "level1" %}
+{% block block2 %}{% block block5 %}nested block 5 from level2{%
+endblock %}{% endblock %}'''
+
+LEVEL3TEMPLATE = '''\
+{% extends "level2" %}
+{% block block5 %}block 5 from level3{% endblock %}
+{% block block4 %}block 4 from level3{% endblock %}
+'''
+
+LEVEL4TEMPLATE = '''\
+{% extends "level3" %}
+{% block block3 %}block 3 from level4{% endblock %}
+'''
+
+WORKINGTEMPLATE = '''\
+{% extends "layout" %}
+{% block block1 %}
+ {% if false %}
+ {% block block2 %}
+ this should workd
+ {% endblock %}
+ {% endif %}
+{% endblock %}
+'''
+
+env = Environment(loader=DictLoader({
+ 'layout': LAYOUTTEMPLATE,
+ 'level1': LEVEL1TEMPLATE,
+ 'level2': LEVEL2TEMPLATE,
+ 'level3': LEVEL3TEMPLATE,
+ 'level4': LEVEL4TEMPLATE,
+ 'working': WORKINGTEMPLATE
+}), trim_blocks=True)
+
+
+class InheritanceTestCase(JinjaTestCase):
+
+ def test_layout(self):
+ tmpl = env.get_template('layout')
+ assert tmpl.render() == ('|block 1 from layout|block 2 from '
+ 'layout|nested block 4 from layout|')
+
+ def test_level1(self):
+ tmpl = env.get_template('level1')
+ assert tmpl.render() == ('|block 1 from level1|block 2 from '
+ 'layout|nested block 4 from layout|')
+
+ def test_level2(self):
+ tmpl = env.get_template('level2')
+ assert tmpl.render() == ('|block 1 from level1|nested block 5 from '
+ 'level2|nested block 4 from layout|')
+
+ def test_level3(self):
+ tmpl = env.get_template('level3')
+ assert tmpl.render() == ('|block 1 from level1|block 5 from level3|'
+ 'block 4 from level3|')
+
+ def test_level4(sel):
+ tmpl = env.get_template('level4')
+ assert tmpl.render() == ('|block 1 from level1|block 5 from '
+ 'level3|block 3 from level4|')
+
+ def test_super(self):
+ env = Environment(loader=DictLoader({
+ 'a': '{% block intro %}INTRO{% endblock %}|'
+ 'BEFORE|{% block data %}INNER{% endblock %}|AFTER',
+ 'b': '{% extends "a" %}{% block data %}({{ '
+ 'super() }}){% endblock %}',
+ 'c': '{% extends "b" %}{% block intro %}--{{ '
+ 'super() }}--{% endblock %}\n{% block data '
+ '%}[{{ super() }}]{% endblock %}'
+ }))
+ tmpl = env.get_template('c')
+ assert tmpl.render() == '--INTRO--|BEFORE|[(INNER)]|AFTER'
+
+ def test_working(self):
+ tmpl = env.get_template('working')
+
+ def test_reuse_blocks(self):
+ tmpl = env.from_string('{{ self.foo() }}|{% block foo %}42'
+ '{% endblock %}|{{ self.foo() }}')
+ assert tmpl.render() == '42|42|42'
+
+ def test_preserve_blocks(self):
+ env = Environment(loader=DictLoader({
+ 'a': '{% if false %}{% block x %}A{% endblock %}{% endif %}{{ self.x() }}',
+ 'b': '{% extends "a" %}{% block x %}B{{ super() }}{% endblock %}'
+ }))
+ tmpl = env.get_template('b')
+ assert tmpl.render() == 'BA'
+
+ def test_dynamic_inheritance(self):
+ env = Environment(loader=DictLoader({
+ 'master1': 'MASTER1{% block x %}{% endblock %}',
+ 'master2': 'MASTER2{% block x %}{% endblock %}',
+ 'child': '{% extends master %}{% block x %}CHILD{% endblock %}'
+ }))
+ tmpl = env.get_template('child')
+ for m in range(1, 3):
+ assert tmpl.render(master='master%d' % m) == 'MASTER%dCHILD' % m
+
+ def test_multi_inheritance(self):
+ env = Environment(loader=DictLoader({
+ 'master1': 'MASTER1{% block x %}{% endblock %}',
+ 'master2': 'MASTER2{% block x %}{% endblock %}',
+ 'child': '''{% if master %}{% extends master %}{% else %}{% extends
+ 'master1' %}{% endif %}{% block x %}CHILD{% endblock %}'''
+ }))
+ tmpl = env.get_template('child')
+ assert tmpl.render(master='master2') == 'MASTER2CHILD'
+ assert tmpl.render(master='master1') == 'MASTER1CHILD'
+ assert tmpl.render() == 'MASTER1CHILD'
+
+ def test_scoped_block(self):
+ env = Environment(loader=DictLoader({
+ 'master.html': '{% for item in seq %}[{% block item scoped %}'
+ '{% endblock %}]{% endfor %}'
+ }))
+ t = env.from_string('{% extends "master.html" %}{% block item %}'
+ '{{ item }}{% endblock %}')
+ assert t.render(seq=range(5)) == '[0][1][2][3][4]'
+
+ def test_super_in_scoped_block(self):
+ env = Environment(loader=DictLoader({
+ 'master.html': '{% for item in seq %}[{% block item scoped %}'
+ '{{ item }}{% endblock %}]{% endfor %}'
+ }))
+ t = env.from_string('{% extends "master.html" %}{% block item %}'
+ '{{ super() }}|{{ item * 2 }}{% endblock %}')
+ assert t.render(seq=range(5)) == '[0|0][1|2][2|4][3|6][4|8]'
+
+
+class BugFixTestCase(JinjaTestCase):
+
+ def test_fixed_macro_scoping_bug(self):
+ assert Environment(loader=DictLoader({
+ 'test.html': '''\
+ {% extends 'details.html' %}
+
+ {% macro my_macro() %}
+ my_macro
+ {% endmacro %}
+
+ {% block inner_box %}
+ {{ my_macro() }}
+ {% endblock %}
+ ''',
+ 'details.html': '''\
+ {% extends 'standard.html' %}
+
+ {% macro my_macro() %}
+ my_macro
+ {% endmacro %}
+
+ {% block content %}
+ {% block outer_box %}
+ outer_box
+ {% block inner_box %}
+ inner_box
+ {% endblock %}
+ {% endblock %}
+ {% endblock %}
+ ''',
+ 'standard.html': '''
+ {% block content %} {% endblock %}
+ '''
+ })).get_template("test.html").render().split() == [u'outer_box', u'my_macro']
+
+
+def suite():
+ suite = unittest.TestSuite()
+ suite.addTest(unittest.makeSuite(InheritanceTestCase))
+ suite.addTest(unittest.makeSuite(BugFixTestCase))
+ return suite
[03/11] AMBARI-3557. Resource Management. Add jinja2 to ambari-common,
rpms and pythonpath (Andrew Onischuk via dlysnichenko)
Posted by dm...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/nodes.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/nodes.py b/ambari-common/src/main/python/jinja2/jinja2/nodes.py
new file mode 100644
index 0000000..6446c70
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/nodes.py
@@ -0,0 +1,901 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.nodes
+ ~~~~~~~~~~~~
+
+ This module implements additional nodes derived from the ast base node.
+
+ It also provides some node tree helper functions like `in_lineno` and
+ `get_nodes` used by the parser and translator in order to normalize
+ python and jinja nodes.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+import operator
+from itertools import chain, izip
+from collections import deque
+from jinja2.utils import Markup, MethodType, FunctionType
+
+
+#: the types we support for context functions
+_context_function_types = (FunctionType, MethodType)
+
+
+_binop_to_func = {
+ '*': operator.mul,
+ '/': operator.truediv,
+ '//': operator.floordiv,
+ '**': operator.pow,
+ '%': operator.mod,
+ '+': operator.add,
+ '-': operator.sub
+}
+
+_uaop_to_func = {
+ 'not': operator.not_,
+ '+': operator.pos,
+ '-': operator.neg
+}
+
+_cmpop_to_func = {
+ 'eq': operator.eq,
+ 'ne': operator.ne,
+ 'gt': operator.gt,
+ 'gteq': operator.ge,
+ 'lt': operator.lt,
+ 'lteq': operator.le,
+ 'in': lambda a, b: a in b,
+ 'notin': lambda a, b: a not in b
+}
+
+
+class Impossible(Exception):
+ """Raised if the node could not perform a requested action."""
+
+
+class NodeType(type):
+ """A metaclass for nodes that handles the field and attribute
+ inheritance. fields and attributes from the parent class are
+ automatically forwarded to the child."""
+
+ def __new__(cls, name, bases, d):
+ for attr in 'fields', 'attributes':
+ storage = []
+ storage.extend(getattr(bases[0], attr, ()))
+ storage.extend(d.get(attr, ()))
+ assert len(bases) == 1, 'multiple inheritance not allowed'
+ assert len(storage) == len(set(storage)), 'layout conflict'
+ d[attr] = tuple(storage)
+ d.setdefault('abstract', False)
+ return type.__new__(cls, name, bases, d)
+
+
+class EvalContext(object):
+ """Holds evaluation time information. Custom attributes can be attached
+ to it in extensions.
+ """
+
+ def __init__(self, environment, template_name=None):
+ if callable(environment.autoescape):
+ self.autoescape = environment.autoescape(template_name)
+ else:
+ self.autoescape = environment.autoescape
+ self.volatile = False
+
+ def save(self):
+ return self.__dict__.copy()
+
+ def revert(self, old):
+ self.__dict__.clear()
+ self.__dict__.update(old)
+
+
+def get_eval_context(node, ctx):
+ if ctx is None:
+ if node.environment is None:
+ raise RuntimeError('if no eval context is passed, the '
+ 'node must have an attached '
+ 'environment.')
+ return EvalContext(node.environment)
+ return ctx
+
+
+class Node(object):
+ """Baseclass for all Jinja2 nodes. There are a number of nodes available
+ of different types. There are three major types:
+
+ - :class:`Stmt`: statements
+ - :class:`Expr`: expressions
+ - :class:`Helper`: helper nodes
+ - :class:`Template`: the outermost wrapper node
+
+ All nodes have fields and attributes. Fields may be other nodes, lists,
+ or arbitrary values. Fields are passed to the constructor as regular
+ positional arguments, attributes as keyword arguments. Each node has
+ two attributes: `lineno` (the line number of the node) and `environment`.
+ The `environment` attribute is set at the end of the parsing process for
+ all nodes automatically.
+ """
+ __metaclass__ = NodeType
+ fields = ()
+ attributes = ('lineno', 'environment')
+ abstract = True
+
+ def __init__(self, *fields, **attributes):
+ if self.abstract:
+ raise TypeError('abstract nodes are not instanciable')
+ if fields:
+ if len(fields) != len(self.fields):
+ if not self.fields:
+ raise TypeError('%r takes 0 arguments' %
+ self.__class__.__name__)
+ raise TypeError('%r takes 0 or %d argument%s' % (
+ self.__class__.__name__,
+ len(self.fields),
+ len(self.fields) != 1 and 's' or ''
+ ))
+ for name, arg in izip(self.fields, fields):
+ setattr(self, name, arg)
+ for attr in self.attributes:
+ setattr(self, attr, attributes.pop(attr, None))
+ if attributes:
+ raise TypeError('unknown attribute %r' %
+ iter(attributes).next())
+
+ def iter_fields(self, exclude=None, only=None):
+ """This method iterates over all fields that are defined and yields
+ ``(key, value)`` tuples. Per default all fields are returned, but
+ it's possible to limit that to some fields by providing the `only`
+ parameter or to exclude some using the `exclude` parameter. Both
+ should be sets or tuples of field names.
+ """
+ for name in self.fields:
+ if (exclude is only is None) or \
+ (exclude is not None and name not in exclude) or \
+ (only is not None and name in only):
+ try:
+ yield name, getattr(self, name)
+ except AttributeError:
+ pass
+
+ def iter_child_nodes(self, exclude=None, only=None):
+ """Iterates over all direct child nodes of the node. This iterates
+ over all fields and yields the values of they are nodes. If the value
+ of a field is a list all the nodes in that list are returned.
+ """
+ for field, item in self.iter_fields(exclude, only):
+ if isinstance(item, list):
+ for n in item:
+ if isinstance(n, Node):
+ yield n
+ elif isinstance(item, Node):
+ yield item
+
+ def find(self, node_type):
+ """Find the first node of a given type. If no such node exists the
+ return value is `None`.
+ """
+ for result in self.find_all(node_type):
+ return result
+
+ def find_all(self, node_type):
+ """Find all the nodes of a given type. If the type is a tuple,
+ the check is performed for any of the tuple items.
+ """
+ for child in self.iter_child_nodes():
+ if isinstance(child, node_type):
+ yield child
+ for result in child.find_all(node_type):
+ yield result
+
+ def set_ctx(self, ctx):
+ """Reset the context of a node and all child nodes. Per default the
+ parser will all generate nodes that have a 'load' context as it's the
+ most common one. This method is used in the parser to set assignment
+ targets and other nodes to a store context.
+ """
+ todo = deque([self])
+ while todo:
+ node = todo.popleft()
+ if 'ctx' in node.fields:
+ node.ctx = ctx
+ todo.extend(node.iter_child_nodes())
+ return self
+
+ def set_lineno(self, lineno, override=False):
+ """Set the line numbers of the node and children."""
+ todo = deque([self])
+ while todo:
+ node = todo.popleft()
+ if 'lineno' in node.attributes:
+ if node.lineno is None or override:
+ node.lineno = lineno
+ todo.extend(node.iter_child_nodes())
+ return self
+
+ def set_environment(self, environment):
+ """Set the environment for all nodes."""
+ todo = deque([self])
+ while todo:
+ node = todo.popleft()
+ node.environment = environment
+ todo.extend(node.iter_child_nodes())
+ return self
+
+ def __eq__(self, other):
+ return type(self) is type(other) and \
+ tuple(self.iter_fields()) == tuple(other.iter_fields())
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def __repr__(self):
+ return '%s(%s)' % (
+ self.__class__.__name__,
+ ', '.join('%s=%r' % (arg, getattr(self, arg, None)) for
+ arg in self.fields)
+ )
+
+
+class Stmt(Node):
+ """Base node for all statements."""
+ abstract = True
+
+
+class Helper(Node):
+ """Nodes that exist in a specific context only."""
+ abstract = True
+
+
+class Template(Node):
+ """Node that represents a template. This must be the outermost node that
+ is passed to the compiler.
+ """
+ fields = ('body',)
+
+
+class Output(Stmt):
+ """A node that holds multiple expressions which are then printed out.
+ This is used both for the `print` statement and the regular template data.
+ """
+ fields = ('nodes',)
+
+
+class Extends(Stmt):
+ """Represents an extends statement."""
+ fields = ('template',)
+
+
+class For(Stmt):
+ """The for loop. `target` is the target for the iteration (usually a
+ :class:`Name` or :class:`Tuple`), `iter` the iterable. `body` is a list
+ of nodes that are used as loop-body, and `else_` a list of nodes for the
+ `else` block. If no else node exists it has to be an empty list.
+
+ For filtered nodes an expression can be stored as `test`, otherwise `None`.
+ """
+ fields = ('target', 'iter', 'body', 'else_', 'test', 'recursive')
+
+
+class If(Stmt):
+ """If `test` is true, `body` is rendered, else `else_`."""
+ fields = ('test', 'body', 'else_')
+
+
+class Macro(Stmt):
+ """A macro definition. `name` is the name of the macro, `args` a list of
+ arguments and `defaults` a list of defaults if there are any. `body` is
+ a list of nodes for the macro body.
+ """
+ fields = ('name', 'args', 'defaults', 'body')
+
+
+class CallBlock(Stmt):
+ """Like a macro without a name but a call instead. `call` is called with
+ the unnamed macro as `caller` argument this node holds.
+ """
+ fields = ('call', 'args', 'defaults', 'body')
+
+
+class FilterBlock(Stmt):
+ """Node for filter sections."""
+ fields = ('body', 'filter')
+
+
+class Block(Stmt):
+ """A node that represents a block."""
+ fields = ('name', 'body', 'scoped')
+
+
+class Include(Stmt):
+ """A node that represents the include tag."""
+ fields = ('template', 'with_context', 'ignore_missing')
+
+
+class Import(Stmt):
+ """A node that represents the import tag."""
+ fields = ('template', 'target', 'with_context')
+
+
+class FromImport(Stmt):
+ """A node that represents the from import tag. It's important to not
+ pass unsafe names to the name attribute. The compiler translates the
+ attribute lookups directly into getattr calls and does *not* use the
+ subscript callback of the interface. As exported variables may not
+ start with double underscores (which the parser asserts) this is not a
+ problem for regular Jinja code, but if this node is used in an extension
+ extra care must be taken.
+
+ The list of names may contain tuples if aliases are wanted.
+ """
+ fields = ('template', 'names', 'with_context')
+
+
+class ExprStmt(Stmt):
+ """A statement that evaluates an expression and discards the result."""
+ fields = ('node',)
+
+
+class Assign(Stmt):
+ """Assigns an expression to a target."""
+ fields = ('target', 'node')
+
+
+class Expr(Node):
+ """Baseclass for all expressions."""
+ abstract = True
+
+ def as_const(self, eval_ctx=None):
+ """Return the value of the expression as constant or raise
+ :exc:`Impossible` if this was not possible.
+
+ An :class:`EvalContext` can be provided, if none is given
+ a default context is created which requires the nodes to have
+ an attached environment.
+
+ .. versionchanged:: 2.4
+ the `eval_ctx` parameter was added.
+ """
+ raise Impossible()
+
+ def can_assign(self):
+ """Check if it's possible to assign something to this node."""
+ return False
+
+
+class BinExpr(Expr):
+ """Baseclass for all binary expressions."""
+ fields = ('left', 'right')
+ operator = None
+ abstract = True
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ f = _binop_to_func[self.operator]
+ try:
+ return f(self.left.as_const(eval_ctx), self.right.as_const(eval_ctx))
+ except:
+ raise Impossible()
+
+
+class UnaryExpr(Expr):
+ """Baseclass for all unary expressions."""
+ fields = ('node',)
+ operator = None
+ abstract = True
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ f = _uaop_to_func[self.operator]
+ try:
+ return f(self.node.as_const(eval_ctx))
+ except:
+ raise Impossible()
+
+
+class Name(Expr):
+ """Looks up a name or stores a value in a name.
+ The `ctx` of the node can be one of the following values:
+
+ - `store`: store a value in the name
+ - `load`: load that name
+ - `param`: like `store` but if the name was defined as function parameter.
+ """
+ fields = ('name', 'ctx')
+
+ def can_assign(self):
+ return self.name not in ('true', 'false', 'none',
+ 'True', 'False', 'None')
+
+
+class Literal(Expr):
+ """Baseclass for literals."""
+ abstract = True
+
+
+class Const(Literal):
+ """All constant values. The parser will return this node for simple
+ constants such as ``42`` or ``"foo"`` but it can be used to store more
+ complex values such as lists too. Only constants with a safe
+ representation (objects where ``eval(repr(x)) == x`` is true).
+ """
+ fields = ('value',)
+
+ def as_const(self, eval_ctx=None):
+ return self.value
+
+ @classmethod
+ def from_untrusted(cls, value, lineno=None, environment=None):
+ """Return a const object if the value is representable as
+ constant value in the generated code, otherwise it will raise
+ an `Impossible` exception.
+ """
+ from compiler import has_safe_repr
+ if not has_safe_repr(value):
+ raise Impossible()
+ return cls(value, lineno=lineno, environment=environment)
+
+
+class TemplateData(Literal):
+ """A constant template string."""
+ fields = ('data',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if eval_ctx.volatile:
+ raise Impossible()
+ if eval_ctx.autoescape:
+ return Markup(self.data)
+ return self.data
+
+
+class Tuple(Literal):
+ """For loop unpacking and some other things like multiple arguments
+ for subscripts. Like for :class:`Name` `ctx` specifies if the tuple
+ is used for loading the names or storing.
+ """
+ fields = ('items', 'ctx')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return tuple(x.as_const(eval_ctx) for x in self.items)
+
+ def can_assign(self):
+ for item in self.items:
+ if not item.can_assign():
+ return False
+ return True
+
+
+class List(Literal):
+ """Any list literal such as ``[1, 2, 3]``"""
+ fields = ('items',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return [x.as_const(eval_ctx) for x in self.items]
+
+
+class Dict(Literal):
+ """Any dict literal such as ``{1: 2, 3: 4}``. The items must be a list of
+ :class:`Pair` nodes.
+ """
+ fields = ('items',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return dict(x.as_const(eval_ctx) for x in self.items)
+
+
+class Pair(Helper):
+ """A key, value pair for dicts."""
+ fields = ('key', 'value')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return self.key.as_const(eval_ctx), self.value.as_const(eval_ctx)
+
+
+class Keyword(Helper):
+ """A key, value pair for keyword arguments where key is a string."""
+ fields = ('key', 'value')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return self.key, self.value.as_const(eval_ctx)
+
+
+class CondExpr(Expr):
+ """A conditional expression (inline if expression). (``{{
+ foo if bar else baz }}``)
+ """
+ fields = ('test', 'expr1', 'expr2')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if self.test.as_const(eval_ctx):
+ return self.expr1.as_const(eval_ctx)
+
+ # if we evaluate to an undefined object, we better do that at runtime
+ if self.expr2 is None:
+ raise Impossible()
+
+ return self.expr2.as_const(eval_ctx)
+
+
+class Filter(Expr):
+ """This node applies a filter on an expression. `name` is the name of
+ the filter, the rest of the fields are the same as for :class:`Call`.
+
+ If the `node` of a filter is `None` the contents of the last buffer are
+ filtered. Buffers are created by macros and filter blocks.
+ """
+ fields = ('node', 'name', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if eval_ctx.volatile or self.node is None:
+ raise Impossible()
+ # we have to be careful here because we call filter_ below.
+ # if this variable would be called filter, 2to3 would wrap the
+ # call in a list beause it is assuming we are talking about the
+ # builtin filter function here which no longer returns a list in
+ # python 3. because of that, do not rename filter_ to filter!
+ filter_ = self.environment.filters.get(self.name)
+ if filter_ is None or getattr(filter_, 'contextfilter', False):
+ raise Impossible()
+ obj = self.node.as_const(eval_ctx)
+ args = [x.as_const(eval_ctx) for x in self.args]
+ if getattr(filter_, 'evalcontextfilter', False):
+ args.insert(0, eval_ctx)
+ elif getattr(filter_, 'environmentfilter', False):
+ args.insert(0, self.environment)
+ kwargs = dict(x.as_const(eval_ctx) for x in self.kwargs)
+ if self.dyn_args is not None:
+ try:
+ args.extend(self.dyn_args.as_const(eval_ctx))
+ except:
+ raise Impossible()
+ if self.dyn_kwargs is not None:
+ try:
+ kwargs.update(self.dyn_kwargs.as_const(eval_ctx))
+ except:
+ raise Impossible()
+ try:
+ return filter_(obj, *args, **kwargs)
+ except:
+ raise Impossible()
+
+
+class Test(Expr):
+ """Applies a test on an expression. `name` is the name of the test, the
+ rest of the fields are the same as for :class:`Call`.
+ """
+ fields = ('node', 'name', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs')
+
+
+class Call(Expr):
+ """Calls an expression. `args` is a list of arguments, `kwargs` a list
+ of keyword arguments (list of :class:`Keyword` nodes), and `dyn_args`
+ and `dyn_kwargs` has to be either `None` or a node that is used as
+ node for dynamic positional (``*args``) or keyword (``**kwargs``)
+ arguments.
+ """
+ fields = ('node', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if eval_ctx.volatile:
+ raise Impossible()
+ obj = self.node.as_const(eval_ctx)
+
+ # don't evaluate context functions
+ args = [x.as_const(eval_ctx) for x in self.args]
+ if isinstance(obj, _context_function_types):
+ if getattr(obj, 'contextfunction', False):
+ raise Impossible()
+ elif getattr(obj, 'evalcontextfunction', False):
+ args.insert(0, eval_ctx)
+ elif getattr(obj, 'environmentfunction', False):
+ args.insert(0, self.environment)
+
+ kwargs = dict(x.as_const(eval_ctx) for x in self.kwargs)
+ if self.dyn_args is not None:
+ try:
+ args.extend(self.dyn_args.as_const(eval_ctx))
+ except:
+ raise Impossible()
+ if self.dyn_kwargs is not None:
+ try:
+ kwargs.update(self.dyn_kwargs.as_const(eval_ctx))
+ except:
+ raise Impossible()
+ try:
+ return obj(*args, **kwargs)
+ except:
+ raise Impossible()
+
+
+class Getitem(Expr):
+ """Get an attribute or item from an expression and prefer the item."""
+ fields = ('node', 'arg', 'ctx')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if self.ctx != 'load':
+ raise Impossible()
+ try:
+ return self.environment.getitem(self.node.as_const(eval_ctx),
+ self.arg.as_const(eval_ctx))
+ except:
+ raise Impossible()
+
+ def can_assign(self):
+ return False
+
+
+class Getattr(Expr):
+ """Get an attribute or item from an expression that is a ascii-only
+ bytestring and prefer the attribute.
+ """
+ fields = ('node', 'attr', 'ctx')
+
+ def as_const(self, eval_ctx=None):
+ if self.ctx != 'load':
+ raise Impossible()
+ try:
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return self.environment.getattr(self.node.as_const(eval_ctx),
+ self.attr)
+ except:
+ raise Impossible()
+
+ def can_assign(self):
+ return False
+
+
+class Slice(Expr):
+ """Represents a slice object. This must only be used as argument for
+ :class:`Subscript`.
+ """
+ fields = ('start', 'stop', 'step')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ def const(obj):
+ if obj is None:
+ return None
+ return obj.as_const(eval_ctx)
+ return slice(const(self.start), const(self.stop), const(self.step))
+
+
+class Concat(Expr):
+ """Concatenates the list of expressions provided after converting them to
+ unicode.
+ """
+ fields = ('nodes',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return ''.join(unicode(x.as_const(eval_ctx)) for x in self.nodes)
+
+
+class Compare(Expr):
+ """Compares an expression with some other expressions. `ops` must be a
+ list of :class:`Operand`\s.
+ """
+ fields = ('expr', 'ops')
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ result = value = self.expr.as_const(eval_ctx)
+ try:
+ for op in self.ops:
+ new_value = op.expr.as_const(eval_ctx)
+ result = _cmpop_to_func[op.op](value, new_value)
+ value = new_value
+ except:
+ raise Impossible()
+ return result
+
+
+class Operand(Helper):
+ """Holds an operator and an expression."""
+ fields = ('op', 'expr')
+
+if __debug__:
+ Operand.__doc__ += '\nThe following operators are available: ' + \
+ ', '.join(sorted('``%s``' % x for x in set(_binop_to_func) |
+ set(_uaop_to_func) | set(_cmpop_to_func)))
+
+
+class Mul(BinExpr):
+ """Multiplies the left with the right node."""
+ operator = '*'
+
+
+class Div(BinExpr):
+ """Divides the left by the right node."""
+ operator = '/'
+
+
+class FloorDiv(BinExpr):
+ """Divides the left by the right node and truncates conver the
+ result into an integer by truncating.
+ """
+ operator = '//'
+
+
+class Add(BinExpr):
+ """Add the left to the right node."""
+ operator = '+'
+
+
+class Sub(BinExpr):
+ """Substract the right from the left node."""
+ operator = '-'
+
+
+class Mod(BinExpr):
+ """Left modulo right."""
+ operator = '%'
+
+
+class Pow(BinExpr):
+ """Left to the power of right."""
+ operator = '**'
+
+
+class And(BinExpr):
+ """Short circuited AND."""
+ operator = 'and'
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return self.left.as_const(eval_ctx) and self.right.as_const(eval_ctx)
+
+
+class Or(BinExpr):
+ """Short circuited OR."""
+ operator = 'or'
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return self.left.as_const(eval_ctx) or self.right.as_const(eval_ctx)
+
+
+class Not(UnaryExpr):
+ """Negate the expression."""
+ operator = 'not'
+
+
+class Neg(UnaryExpr):
+ """Make the expression negative."""
+ operator = '-'
+
+
+class Pos(UnaryExpr):
+ """Make the expression positive (noop for most expressions)"""
+ operator = '+'
+
+
+# Helpers for extensions
+
+
+class EnvironmentAttribute(Expr):
+ """Loads an attribute from the environment object. This is useful for
+ extensions that want to call a callback stored on the environment.
+ """
+ fields = ('name',)
+
+
+class ExtensionAttribute(Expr):
+ """Returns the attribute of an extension bound to the environment.
+ The identifier is the identifier of the :class:`Extension`.
+
+ This node is usually constructed by calling the
+ :meth:`~jinja2.ext.Extension.attr` method on an extension.
+ """
+ fields = ('identifier', 'name')
+
+
+class ImportedName(Expr):
+ """If created with an import name the import name is returned on node
+ access. For example ``ImportedName('cgi.escape')`` returns the `escape`
+ function from the cgi module on evaluation. Imports are optimized by the
+ compiler so there is no need to assign them to local variables.
+ """
+ fields = ('importname',)
+
+
+class InternalName(Expr):
+ """An internal name in the compiler. You cannot create these nodes
+ yourself but the parser provides a
+ :meth:`~jinja2.parser.Parser.free_identifier` method that creates
+ a new identifier for you. This identifier is not available from the
+ template and is not threated specially by the compiler.
+ """
+ fields = ('name',)
+
+ def __init__(self):
+ raise TypeError('Can\'t create internal names. Use the '
+ '`free_identifier` method on a parser.')
+
+
+class MarkSafe(Expr):
+ """Mark the wrapped expression as safe (wrap it as `Markup`)."""
+ fields = ('expr',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ return Markup(self.expr.as_const(eval_ctx))
+
+
+class MarkSafeIfAutoescape(Expr):
+ """Mark the wrapped expression as safe (wrap it as `Markup`) but
+ only if autoescaping is active.
+
+ .. versionadded:: 2.5
+ """
+ fields = ('expr',)
+
+ def as_const(self, eval_ctx=None):
+ eval_ctx = get_eval_context(self, eval_ctx)
+ if eval_ctx.volatile:
+ raise Impossible()
+ expr = self.expr.as_const(eval_ctx)
+ if eval_ctx.autoescape:
+ return Markup(expr)
+ return expr
+
+
+class ContextReference(Expr):
+ """Returns the current template context. It can be used like a
+ :class:`Name` node, with a ``'load'`` ctx and will return the
+ current :class:`~jinja2.runtime.Context` object.
+
+ Here an example that assigns the current template name to a
+ variable named `foo`::
+
+ Assign(Name('foo', ctx='store'),
+ Getattr(ContextReference(), 'name'))
+ """
+
+
+class Continue(Stmt):
+ """Continue a loop."""
+
+
+class Break(Stmt):
+ """Break a loop."""
+
+
+class Scope(Stmt):
+ """An artificial scope."""
+ fields = ('body',)
+
+
+class EvalContextModifier(Stmt):
+ """Modifies the eval context. For each option that should be modified,
+ a :class:`Keyword` has to be added to the :attr:`options` list.
+
+ Example to change the `autoescape` setting::
+
+ EvalContextModifier(options=[Keyword('autoescape', Const(True))])
+ """
+ fields = ('options',)
+
+
+class ScopedEvalContextModifier(EvalContextModifier):
+ """Modifies the eval context and reverts it later. Works exactly like
+ :class:`EvalContextModifier` but will only modify the
+ :class:`~jinja2.nodes.EvalContext` for nodes in the :attr:`body`.
+ """
+ fields = ('body',)
+
+
+# make sure nobody creates custom nodes
+def _failing_new(*args, **kwargs):
+ raise TypeError('can\'t create custom node types')
+NodeType.__new__ = staticmethod(_failing_new); del _failing_new
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/optimizer.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/optimizer.py b/ambari-common/src/main/python/jinja2/jinja2/optimizer.py
new file mode 100644
index 0000000..00eab11
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/optimizer.py
@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.optimizer
+ ~~~~~~~~~~~~~~~~
+
+ The jinja optimizer is currently trying to constant fold a few expressions
+ and modify the AST in place so that it should be easier to evaluate it.
+
+ Because the AST does not contain all the scoping information and the
+ compiler has to find that out, we cannot do all the optimizations we
+ want. For example loop unrolling doesn't work because unrolled loops would
+ have a different scoping.
+
+ The solution would be a second syntax tree that has the scoping rules stored.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+from jinja2 import nodes
+from jinja2.visitor import NodeTransformer
+
+
+def optimize(node, environment):
+ """The context hint can be used to perform an static optimization
+ based on the context given."""
+ optimizer = Optimizer(environment)
+ return optimizer.visit(node)
+
+
+class Optimizer(NodeTransformer):
+
+ def __init__(self, environment):
+ self.environment = environment
+
+ def visit_If(self, node):
+ """Eliminate dead code."""
+ # do not optimize ifs that have a block inside so that it doesn't
+ # break super().
+ if node.find(nodes.Block) is not None:
+ return self.generic_visit(node)
+ try:
+ val = self.visit(node.test).as_const()
+ except nodes.Impossible:
+ return self.generic_visit(node)
+ if val:
+ body = node.body
+ else:
+ body = node.else_
+ result = []
+ for node in body:
+ result.extend(self.visit_list(node))
+ return result
+
+ def fold(self, node):
+ """Do constant folding."""
+ node = self.generic_visit(node)
+ try:
+ return nodes.Const.from_untrusted(node.as_const(),
+ lineno=node.lineno,
+ environment=self.environment)
+ except nodes.Impossible:
+ return node
+
+ visit_Add = visit_Sub = visit_Mul = visit_Div = visit_FloorDiv = \
+ visit_Pow = visit_Mod = visit_And = visit_Or = visit_Pos = visit_Neg = \
+ visit_Not = visit_Compare = visit_Getitem = visit_Getattr = visit_Call = \
+ visit_Filter = visit_Test = visit_CondExpr = fold
+ del fold
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/parser.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/parser.py b/ambari-common/src/main/python/jinja2/jinja2/parser.py
new file mode 100644
index 0000000..d44229a
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/parser.py
@@ -0,0 +1,896 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.parser
+ ~~~~~~~~~~~~~
+
+ Implements the template parser.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD, see LICENSE for more details.
+"""
+from jinja2 import nodes
+from jinja2.exceptions import TemplateSyntaxError, TemplateAssertionError
+from jinja2.utils import next
+from jinja2.lexer import describe_token, describe_token_expr
+
+
+#: statements that callinto
+_statement_keywords = frozenset(['for', 'if', 'block', 'extends', 'print',
+ 'macro', 'include', 'from', 'import',
+ 'set'])
+_compare_operators = frozenset(['eq', 'ne', 'lt', 'lteq', 'gt', 'gteq'])
+
+
+class Parser(object):
+ """This is the central parsing class Jinja2 uses. It's passed to
+ extensions and can be used to parse expressions or statements.
+ """
+
+ def __init__(self, environment, source, name=None, filename=None,
+ state=None):
+ self.environment = environment
+ self.stream = environment._tokenize(source, name, filename, state)
+ self.name = name
+ self.filename = filename
+ self.closed = False
+ self.extensions = {}
+ for extension in environment.iter_extensions():
+ for tag in extension.tags:
+ self.extensions[tag] = extension.parse
+ self._last_identifier = 0
+ self._tag_stack = []
+ self._end_token_stack = []
+
+ def fail(self, msg, lineno=None, exc=TemplateSyntaxError):
+ """Convenience method that raises `exc` with the message, passed
+ line number or last line number as well as the current name and
+ filename.
+ """
+ if lineno is None:
+ lineno = self.stream.current.lineno
+ raise exc(msg, lineno, self.name, self.filename)
+
+ def _fail_ut_eof(self, name, end_token_stack, lineno):
+ expected = []
+ for exprs in end_token_stack:
+ expected.extend(map(describe_token_expr, exprs))
+ if end_token_stack:
+ currently_looking = ' or '.join(
+ "'%s'" % describe_token_expr(expr)
+ for expr in end_token_stack[-1])
+ else:
+ currently_looking = None
+
+ if name is None:
+ message = ['Unexpected end of template.']
+ else:
+ message = ['Encountered unknown tag \'%s\'.' % name]
+
+ if currently_looking:
+ if name is not None and name in expected:
+ message.append('You probably made a nesting mistake. Jinja '
+ 'is expecting this tag, but currently looking '
+ 'for %s.' % currently_looking)
+ else:
+ message.append('Jinja was looking for the following tags: '
+ '%s.' % currently_looking)
+
+ if self._tag_stack:
+ message.append('The innermost block that needs to be '
+ 'closed is \'%s\'.' % self._tag_stack[-1])
+
+ self.fail(' '.join(message), lineno)
+
+ def fail_unknown_tag(self, name, lineno=None):
+ """Called if the parser encounters an unknown tag. Tries to fail
+ with a human readable error message that could help to identify
+ the problem.
+ """
+ return self._fail_ut_eof(name, self._end_token_stack, lineno)
+
+ def fail_eof(self, end_tokens=None, lineno=None):
+ """Like fail_unknown_tag but for end of template situations."""
+ stack = list(self._end_token_stack)
+ if end_tokens is not None:
+ stack.append(end_tokens)
+ return self._fail_ut_eof(None, stack, lineno)
+
+ def is_tuple_end(self, extra_end_rules=None):
+ """Are we at the end of a tuple?"""
+ if self.stream.current.type in ('variable_end', 'block_end', 'rparen'):
+ return True
+ elif extra_end_rules is not None:
+ return self.stream.current.test_any(extra_end_rules)
+ return False
+
+ def free_identifier(self, lineno=None):
+ """Return a new free identifier as :class:`~jinja2.nodes.InternalName`."""
+ self._last_identifier += 1
+ rv = object.__new__(nodes.InternalName)
+ nodes.Node.__init__(rv, 'fi%d' % self._last_identifier, lineno=lineno)
+ return rv
+
+ def parse_statement(self):
+ """Parse a single statement."""
+ token = self.stream.current
+ if token.type != 'name':
+ self.fail('tag name expected', token.lineno)
+ self._tag_stack.append(token.value)
+ pop_tag = True
+ try:
+ if token.value in _statement_keywords:
+ return getattr(self, 'parse_' + self.stream.current.value)()
+ if token.value == 'call':
+ return self.parse_call_block()
+ if token.value == 'filter':
+ return self.parse_filter_block()
+ ext = self.extensions.get(token.value)
+ if ext is not None:
+ return ext(self)
+
+ # did not work out, remove the token we pushed by accident
+ # from the stack so that the unknown tag fail function can
+ # produce a proper error message.
+ self._tag_stack.pop()
+ pop_tag = False
+ self.fail_unknown_tag(token.value, token.lineno)
+ finally:
+ if pop_tag:
+ self._tag_stack.pop()
+
+ def parse_statements(self, end_tokens, drop_needle=False):
+ """Parse multiple statements into a list until one of the end tokens
+ is reached. This is used to parse the body of statements as it also
+ parses template data if appropriate. The parser checks first if the
+ current token is a colon and skips it if there is one. Then it checks
+ for the block end and parses until if one of the `end_tokens` is
+ reached. Per default the active token in the stream at the end of
+ the call is the matched end token. If this is not wanted `drop_needle`
+ can be set to `True` and the end token is removed.
+ """
+ # the first token may be a colon for python compatibility
+ self.stream.skip_if('colon')
+
+ # in the future it would be possible to add whole code sections
+ # by adding some sort of end of statement token and parsing those here.
+ self.stream.expect('block_end')
+ result = self.subparse(end_tokens)
+
+ # we reached the end of the template too early, the subparser
+ # does not check for this, so we do that now
+ if self.stream.current.type == 'eof':
+ self.fail_eof(end_tokens)
+
+ if drop_needle:
+ next(self.stream)
+ return result
+
+ def parse_set(self):
+ """Parse an assign statement."""
+ lineno = next(self.stream).lineno
+ target = self.parse_assign_target()
+ self.stream.expect('assign')
+ expr = self.parse_tuple()
+ return nodes.Assign(target, expr, lineno=lineno)
+
+ def parse_for(self):
+ """Parse a for loop."""
+ lineno = self.stream.expect('name:for').lineno
+ target = self.parse_assign_target(extra_end_rules=('name:in',))
+ self.stream.expect('name:in')
+ iter = self.parse_tuple(with_condexpr=False,
+ extra_end_rules=('name:recursive',))
+ test = None
+ if self.stream.skip_if('name:if'):
+ test = self.parse_expression()
+ recursive = self.stream.skip_if('name:recursive')
+ body = self.parse_statements(('name:endfor', 'name:else'))
+ if next(self.stream).value == 'endfor':
+ else_ = []
+ else:
+ else_ = self.parse_statements(('name:endfor',), drop_needle=True)
+ return nodes.For(target, iter, body, else_, test,
+ recursive, lineno=lineno)
+
+ def parse_if(self):
+ """Parse an if construct."""
+ node = result = nodes.If(lineno=self.stream.expect('name:if').lineno)
+ while 1:
+ node.test = self.parse_tuple(with_condexpr=False)
+ node.body = self.parse_statements(('name:elif', 'name:else',
+ 'name:endif'))
+ token = next(self.stream)
+ if token.test('name:elif'):
+ new_node = nodes.If(lineno=self.stream.current.lineno)
+ node.else_ = [new_node]
+ node = new_node
+ continue
+ elif token.test('name:else'):
+ node.else_ = self.parse_statements(('name:endif',),
+ drop_needle=True)
+ else:
+ node.else_ = []
+ break
+ return result
+
+ def parse_block(self):
+ node = nodes.Block(lineno=next(self.stream).lineno)
+ node.name = self.stream.expect('name').value
+ node.scoped = self.stream.skip_if('name:scoped')
+
+ # common problem people encounter when switching from django
+ # to jinja. we do not support hyphens in block names, so let's
+ # raise a nicer error message in that case.
+ if self.stream.current.type == 'sub':
+ self.fail('Block names in Jinja have to be valid Python '
+ 'identifiers and may not contain hypens, use an '
+ 'underscore instead.')
+
+ node.body = self.parse_statements(('name:endblock',), drop_needle=True)
+ self.stream.skip_if('name:' + node.name)
+ return node
+
+ def parse_extends(self):
+ node = nodes.Extends(lineno=next(self.stream).lineno)
+ node.template = self.parse_expression()
+ return node
+
+ def parse_import_context(self, node, default):
+ if self.stream.current.test_any('name:with', 'name:without') and \
+ self.stream.look().test('name:context'):
+ node.with_context = next(self.stream).value == 'with'
+ self.stream.skip()
+ else:
+ node.with_context = default
+ return node
+
+ def parse_include(self):
+ node = nodes.Include(lineno=next(self.stream).lineno)
+ node.template = self.parse_expression()
+ if self.stream.current.test('name:ignore') and \
+ self.stream.look().test('name:missing'):
+ node.ignore_missing = True
+ self.stream.skip(2)
+ else:
+ node.ignore_missing = False
+ return self.parse_import_context(node, True)
+
+ def parse_import(self):
+ node = nodes.Import(lineno=next(self.stream).lineno)
+ node.template = self.parse_expression()
+ self.stream.expect('name:as')
+ node.target = self.parse_assign_target(name_only=True).name
+ return self.parse_import_context(node, False)
+
+ def parse_from(self):
+ node = nodes.FromImport(lineno=next(self.stream).lineno)
+ node.template = self.parse_expression()
+ self.stream.expect('name:import')
+ node.names = []
+
+ def parse_context():
+ if self.stream.current.value in ('with', 'without') and \
+ self.stream.look().test('name:context'):
+ node.with_context = next(self.stream).value == 'with'
+ self.stream.skip()
+ return True
+ return False
+
+ while 1:
+ if node.names:
+ self.stream.expect('comma')
+ if self.stream.current.type == 'name':
+ if parse_context():
+ break
+ target = self.parse_assign_target(name_only=True)
+ if target.name.startswith('_'):
+ self.fail('names starting with an underline can not '
+ 'be imported', target.lineno,
+ exc=TemplateAssertionError)
+ if self.stream.skip_if('name:as'):
+ alias = self.parse_assign_target(name_only=True)
+ node.names.append((target.name, alias.name))
+ else:
+ node.names.append(target.name)
+ if parse_context() or self.stream.current.type != 'comma':
+ break
+ else:
+ break
+ if not hasattr(node, 'with_context'):
+ node.with_context = False
+ self.stream.skip_if('comma')
+ return node
+
+ def parse_signature(self, node):
+ node.args = args = []
+ node.defaults = defaults = []
+ self.stream.expect('lparen')
+ while self.stream.current.type != 'rparen':
+ if args:
+ self.stream.expect('comma')
+ arg = self.parse_assign_target(name_only=True)
+ arg.set_ctx('param')
+ if self.stream.skip_if('assign'):
+ defaults.append(self.parse_expression())
+ args.append(arg)
+ self.stream.expect('rparen')
+
+ def parse_call_block(self):
+ node = nodes.CallBlock(lineno=next(self.stream).lineno)
+ if self.stream.current.type == 'lparen':
+ self.parse_signature(node)
+ else:
+ node.args = []
+ node.defaults = []
+
+ node.call = self.parse_expression()
+ if not isinstance(node.call, nodes.Call):
+ self.fail('expected call', node.lineno)
+ node.body = self.parse_statements(('name:endcall',), drop_needle=True)
+ return node
+
+ def parse_filter_block(self):
+ node = nodes.FilterBlock(lineno=next(self.stream).lineno)
+ node.filter = self.parse_filter(None, start_inline=True)
+ node.body = self.parse_statements(('name:endfilter',),
+ drop_needle=True)
+ return node
+
+ def parse_macro(self):
+ node = nodes.Macro(lineno=next(self.stream).lineno)
+ node.name = self.parse_assign_target(name_only=True).name
+ self.parse_signature(node)
+ node.body = self.parse_statements(('name:endmacro',),
+ drop_needle=True)
+ return node
+
+ def parse_print(self):
+ node = nodes.Output(lineno=next(self.stream).lineno)
+ node.nodes = []
+ while self.stream.current.type != 'block_end':
+ if node.nodes:
+ self.stream.expect('comma')
+ node.nodes.append(self.parse_expression())
+ return node
+
+ def parse_assign_target(self, with_tuple=True, name_only=False,
+ extra_end_rules=None):
+ """Parse an assignment target. As Jinja2 allows assignments to
+ tuples, this function can parse all allowed assignment targets. Per
+ default assignments to tuples are parsed, that can be disable however
+ by setting `with_tuple` to `False`. If only assignments to names are
+ wanted `name_only` can be set to `True`. The `extra_end_rules`
+ parameter is forwarded to the tuple parsing function.
+ """
+ if name_only:
+ token = self.stream.expect('name')
+ target = nodes.Name(token.value, 'store', lineno=token.lineno)
+ else:
+ if with_tuple:
+ target = self.parse_tuple(simplified=True,
+ extra_end_rules=extra_end_rules)
+ else:
+ target = self.parse_primary()
+ target.set_ctx('store')
+ if not target.can_assign():
+ self.fail('can\'t assign to %r' % target.__class__.
+ __name__.lower(), target.lineno)
+ return target
+
+ def parse_expression(self, with_condexpr=True):
+ """Parse an expression. Per default all expressions are parsed, if
+ the optional `with_condexpr` parameter is set to `False` conditional
+ expressions are not parsed.
+ """
+ if with_condexpr:
+ return self.parse_condexpr()
+ return self.parse_or()
+
+ def parse_condexpr(self):
+ lineno = self.stream.current.lineno
+ expr1 = self.parse_or()
+ while self.stream.skip_if('name:if'):
+ expr2 = self.parse_or()
+ if self.stream.skip_if('name:else'):
+ expr3 = self.parse_condexpr()
+ else:
+ expr3 = None
+ expr1 = nodes.CondExpr(expr2, expr1, expr3, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return expr1
+
+ def parse_or(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_and()
+ while self.stream.skip_if('name:or'):
+ right = self.parse_and()
+ left = nodes.Or(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_and(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_not()
+ while self.stream.skip_if('name:and'):
+ right = self.parse_not()
+ left = nodes.And(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_not(self):
+ if self.stream.current.test('name:not'):
+ lineno = next(self.stream).lineno
+ return nodes.Not(self.parse_not(), lineno=lineno)
+ return self.parse_compare()
+
+ def parse_compare(self):
+ lineno = self.stream.current.lineno
+ expr = self.parse_add()
+ ops = []
+ while 1:
+ token_type = self.stream.current.type
+ if token_type in _compare_operators:
+ next(self.stream)
+ ops.append(nodes.Operand(token_type, self.parse_add()))
+ elif self.stream.skip_if('name:in'):
+ ops.append(nodes.Operand('in', self.parse_add()))
+ elif self.stream.current.test('name:not') and \
+ self.stream.look().test('name:in'):
+ self.stream.skip(2)
+ ops.append(nodes.Operand('notin', self.parse_add()))
+ else:
+ break
+ lineno = self.stream.current.lineno
+ if not ops:
+ return expr
+ return nodes.Compare(expr, ops, lineno=lineno)
+
+ def parse_add(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_sub()
+ while self.stream.current.type == 'add':
+ next(self.stream)
+ right = self.parse_sub()
+ left = nodes.Add(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_sub(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_concat()
+ while self.stream.current.type == 'sub':
+ next(self.stream)
+ right = self.parse_concat()
+ left = nodes.Sub(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_concat(self):
+ lineno = self.stream.current.lineno
+ args = [self.parse_mul()]
+ while self.stream.current.type == 'tilde':
+ next(self.stream)
+ args.append(self.parse_mul())
+ if len(args) == 1:
+ return args[0]
+ return nodes.Concat(args, lineno=lineno)
+
+ def parse_mul(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_div()
+ while self.stream.current.type == 'mul':
+ next(self.stream)
+ right = self.parse_div()
+ left = nodes.Mul(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_div(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_floordiv()
+ while self.stream.current.type == 'div':
+ next(self.stream)
+ right = self.parse_floordiv()
+ left = nodes.Div(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_floordiv(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_mod()
+ while self.stream.current.type == 'floordiv':
+ next(self.stream)
+ right = self.parse_mod()
+ left = nodes.FloorDiv(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_mod(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_pow()
+ while self.stream.current.type == 'mod':
+ next(self.stream)
+ right = self.parse_pow()
+ left = nodes.Mod(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_pow(self):
+ lineno = self.stream.current.lineno
+ left = self.parse_unary()
+ while self.stream.current.type == 'pow':
+ next(self.stream)
+ right = self.parse_unary()
+ left = nodes.Pow(left, right, lineno=lineno)
+ lineno = self.stream.current.lineno
+ return left
+
+ def parse_unary(self, with_filter=True):
+ token_type = self.stream.current.type
+ lineno = self.stream.current.lineno
+ if token_type == 'sub':
+ next(self.stream)
+ node = nodes.Neg(self.parse_unary(False), lineno=lineno)
+ elif token_type == 'add':
+ next(self.stream)
+ node = nodes.Pos(self.parse_unary(False), lineno=lineno)
+ else:
+ node = self.parse_primary()
+ node = self.parse_postfix(node)
+ if with_filter:
+ node = self.parse_filter_expr(node)
+ return node
+
+ def parse_primary(self):
+ token = self.stream.current
+ if token.type == 'name':
+ if token.value in ('true', 'false', 'True', 'False'):
+ node = nodes.Const(token.value in ('true', 'True'),
+ lineno=token.lineno)
+ elif token.value in ('none', 'None'):
+ node = nodes.Const(None, lineno=token.lineno)
+ else:
+ node = nodes.Name(token.value, 'load', lineno=token.lineno)
+ next(self.stream)
+ elif token.type == 'string':
+ next(self.stream)
+ buf = [token.value]
+ lineno = token.lineno
+ while self.stream.current.type == 'string':
+ buf.append(self.stream.current.value)
+ next(self.stream)
+ node = nodes.Const(''.join(buf), lineno=lineno)
+ elif token.type in ('integer', 'float'):
+ next(self.stream)
+ node = nodes.Const(token.value, lineno=token.lineno)
+ elif token.type == 'lparen':
+ next(self.stream)
+ node = self.parse_tuple(explicit_parentheses=True)
+ self.stream.expect('rparen')
+ elif token.type == 'lbracket':
+ node = self.parse_list()
+ elif token.type == 'lbrace':
+ node = self.parse_dict()
+ else:
+ self.fail("unexpected '%s'" % describe_token(token), token.lineno)
+ return node
+
+ def parse_tuple(self, simplified=False, with_condexpr=True,
+ extra_end_rules=None, explicit_parentheses=False):
+ """Works like `parse_expression` but if multiple expressions are
+ delimited by a comma a :class:`~jinja2.nodes.Tuple` node is created.
+ This method could also return a regular expression instead of a tuple
+ if no commas where found.
+
+ The default parsing mode is a full tuple. If `simplified` is `True`
+ only names and literals are parsed. The `no_condexpr` parameter is
+ forwarded to :meth:`parse_expression`.
+
+ Because tuples do not require delimiters and may end in a bogus comma
+ an extra hint is needed that marks the end of a tuple. For example
+ for loops support tuples between `for` and `in`. In that case the
+ `extra_end_rules` is set to ``['name:in']``.
+
+ `explicit_parentheses` is true if the parsing was triggered by an
+ expression in parentheses. This is used to figure out if an empty
+ tuple is a valid expression or not.
+ """
+ lineno = self.stream.current.lineno
+ if simplified:
+ parse = self.parse_primary
+ elif with_condexpr:
+ parse = self.parse_expression
+ else:
+ parse = lambda: self.parse_expression(with_condexpr=False)
+ args = []
+ is_tuple = False
+ while 1:
+ if args:
+ self.stream.expect('comma')
+ if self.is_tuple_end(extra_end_rules):
+ break
+ args.append(parse())
+ if self.stream.current.type == 'comma':
+ is_tuple = True
+ else:
+ break
+ lineno = self.stream.current.lineno
+
+ if not is_tuple:
+ if args:
+ return args[0]
+
+ # if we don't have explicit parentheses, an empty tuple is
+ # not a valid expression. This would mean nothing (literally
+ # nothing) in the spot of an expression would be an empty
+ # tuple.
+ if not explicit_parentheses:
+ self.fail('Expected an expression, got \'%s\'' %
+ describe_token(self.stream.current))
+
+ return nodes.Tuple(args, 'load', lineno=lineno)
+
+ def parse_list(self):
+ token = self.stream.expect('lbracket')
+ items = []
+ while self.stream.current.type != 'rbracket':
+ if items:
+ self.stream.expect('comma')
+ if self.stream.current.type == 'rbracket':
+ break
+ items.append(self.parse_expression())
+ self.stream.expect('rbracket')
+ return nodes.List(items, lineno=token.lineno)
+
+ def parse_dict(self):
+ token = self.stream.expect('lbrace')
+ items = []
+ while self.stream.current.type != 'rbrace':
+ if items:
+ self.stream.expect('comma')
+ if self.stream.current.type == 'rbrace':
+ break
+ key = self.parse_expression()
+ self.stream.expect('colon')
+ value = self.parse_expression()
+ items.append(nodes.Pair(key, value, lineno=key.lineno))
+ self.stream.expect('rbrace')
+ return nodes.Dict(items, lineno=token.lineno)
+
+ def parse_postfix(self, node):
+ while 1:
+ token_type = self.stream.current.type
+ if token_type == 'dot' or token_type == 'lbracket':
+ node = self.parse_subscript(node)
+ # calls are valid both after postfix expressions (getattr
+ # and getitem) as well as filters and tests
+ elif token_type == 'lparen':
+ node = self.parse_call(node)
+ else:
+ break
+ return node
+
+ def parse_filter_expr(self, node):
+ while 1:
+ token_type = self.stream.current.type
+ if token_type == 'pipe':
+ node = self.parse_filter(node)
+ elif token_type == 'name' and self.stream.current.value == 'is':
+ node = self.parse_test(node)
+ # calls are valid both after postfix expressions (getattr
+ # and getitem) as well as filters and tests
+ elif token_type == 'lparen':
+ node = self.parse_call(node)
+ else:
+ break
+ return node
+
+ def parse_subscript(self, node):
+ token = next(self.stream)
+ if token.type == 'dot':
+ attr_token = self.stream.current
+ next(self.stream)
+ if attr_token.type == 'name':
+ return nodes.Getattr(node, attr_token.value, 'load',
+ lineno=token.lineno)
+ elif attr_token.type != 'integer':
+ self.fail('expected name or number', attr_token.lineno)
+ arg = nodes.Const(attr_token.value, lineno=attr_token.lineno)
+ return nodes.Getitem(node, arg, 'load', lineno=token.lineno)
+ if token.type == 'lbracket':
+ priority_on_attribute = False
+ args = []
+ while self.stream.current.type != 'rbracket':
+ if args:
+ self.stream.expect('comma')
+ args.append(self.parse_subscribed())
+ self.stream.expect('rbracket')
+ if len(args) == 1:
+ arg = args[0]
+ else:
+ arg = nodes.Tuple(args, 'load', lineno=token.lineno)
+ return nodes.Getitem(node, arg, 'load', lineno=token.lineno)
+ self.fail('expected subscript expression', self.lineno)
+
+ def parse_subscribed(self):
+ lineno = self.stream.current.lineno
+
+ if self.stream.current.type == 'colon':
+ next(self.stream)
+ args = [None]
+ else:
+ node = self.parse_expression()
+ if self.stream.current.type != 'colon':
+ return node
+ next(self.stream)
+ args = [node]
+
+ if self.stream.current.type == 'colon':
+ args.append(None)
+ elif self.stream.current.type not in ('rbracket', 'comma'):
+ args.append(self.parse_expression())
+ else:
+ args.append(None)
+
+ if self.stream.current.type == 'colon':
+ next(self.stream)
+ if self.stream.current.type not in ('rbracket', 'comma'):
+ args.append(self.parse_expression())
+ else:
+ args.append(None)
+ else:
+ args.append(None)
+
+ return nodes.Slice(lineno=lineno, *args)
+
+ def parse_call(self, node):
+ token = self.stream.expect('lparen')
+ args = []
+ kwargs = []
+ dyn_args = dyn_kwargs = None
+ require_comma = False
+
+ def ensure(expr):
+ if not expr:
+ self.fail('invalid syntax for function call expression',
+ token.lineno)
+
+ while self.stream.current.type != 'rparen':
+ if require_comma:
+ self.stream.expect('comma')
+ # support for trailing comma
+ if self.stream.current.type == 'rparen':
+ break
+ if self.stream.current.type == 'mul':
+ ensure(dyn_args is None and dyn_kwargs is None)
+ next(self.stream)
+ dyn_args = self.parse_expression()
+ elif self.stream.current.type == 'pow':
+ ensure(dyn_kwargs is None)
+ next(self.stream)
+ dyn_kwargs = self.parse_expression()
+ else:
+ ensure(dyn_args is None and dyn_kwargs is None)
+ if self.stream.current.type == 'name' and \
+ self.stream.look().type == 'assign':
+ key = self.stream.current.value
+ self.stream.skip(2)
+ value = self.parse_expression()
+ kwargs.append(nodes.Keyword(key, value,
+ lineno=value.lineno))
+ else:
+ ensure(not kwargs)
+ args.append(self.parse_expression())
+
+ require_comma = True
+ self.stream.expect('rparen')
+
+ if node is None:
+ return args, kwargs, dyn_args, dyn_kwargs
+ return nodes.Call(node, args, kwargs, dyn_args, dyn_kwargs,
+ lineno=token.lineno)
+
+ def parse_filter(self, node, start_inline=False):
+ while self.stream.current.type == 'pipe' or start_inline:
+ if not start_inline:
+ next(self.stream)
+ token = self.stream.expect('name')
+ name = token.value
+ while self.stream.current.type == 'dot':
+ next(self.stream)
+ name += '.' + self.stream.expect('name').value
+ if self.stream.current.type == 'lparen':
+ args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None)
+ else:
+ args = []
+ kwargs = []
+ dyn_args = dyn_kwargs = None
+ node = nodes.Filter(node, name, args, kwargs, dyn_args,
+ dyn_kwargs, lineno=token.lineno)
+ start_inline = False
+ return node
+
+ def parse_test(self, node):
+ token = next(self.stream)
+ if self.stream.current.test('name:not'):
+ next(self.stream)
+ negated = True
+ else:
+ negated = False
+ name = self.stream.expect('name').value
+ while self.stream.current.type == 'dot':
+ next(self.stream)
+ name += '.' + self.stream.expect('name').value
+ dyn_args = dyn_kwargs = None
+ kwargs = []
+ if self.stream.current.type == 'lparen':
+ args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None)
+ elif self.stream.current.type in ('name', 'string', 'integer',
+ 'float', 'lparen', 'lbracket',
+ 'lbrace') and not \
+ self.stream.current.test_any('name:else', 'name:or',
+ 'name:and'):
+ if self.stream.current.test('name:is'):
+ self.fail('You cannot chain multiple tests with is')
+ args = [self.parse_expression()]
+ else:
+ args = []
+ node = nodes.Test(node, name, args, kwargs, dyn_args,
+ dyn_kwargs, lineno=token.lineno)
+ if negated:
+ node = nodes.Not(node, lineno=token.lineno)
+ return node
+
+ def subparse(self, end_tokens=None):
+ body = []
+ data_buffer = []
+ add_data = data_buffer.append
+
+ if end_tokens is not None:
+ self._end_token_stack.append(end_tokens)
+
+ def flush_data():
+ if data_buffer:
+ lineno = data_buffer[0].lineno
+ body.append(nodes.Output(data_buffer[:], lineno=lineno))
+ del data_buffer[:]
+
+ try:
+ while self.stream:
+ token = self.stream.current
+ if token.type == 'data':
+ if token.value:
+ add_data(nodes.TemplateData(token.value,
+ lineno=token.lineno))
+ next(self.stream)
+ elif token.type == 'variable_begin':
+ next(self.stream)
+ add_data(self.parse_tuple(with_condexpr=True))
+ self.stream.expect('variable_end')
+ elif token.type == 'block_begin':
+ flush_data()
+ next(self.stream)
+ if end_tokens is not None and \
+ self.stream.current.test_any(*end_tokens):
+ return body
+ rv = self.parse_statement()
+ if isinstance(rv, list):
+ body.extend(rv)
+ else:
+ body.append(rv)
+ self.stream.expect('block_end')
+ else:
+ raise AssertionError('internal parsing error')
+
+ flush_data()
+ finally:
+ if end_tokens is not None:
+ self._end_token_stack.pop()
+
+ return body
+
+ def parse(self):
+ """Parse the whole template into a `Template` node."""
+ result = nodes.Template(self.subparse(), lineno=1)
+ result.set_environment(self.environment)
+ return result
http://git-wip-us.apache.org/repos/asf/incubator-ambari/blob/f0733293/ambari-common/src/main/python/jinja2/jinja2/runtime.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/jinja2/jinja2/runtime.py b/ambari-common/src/main/python/jinja2/jinja2/runtime.py
new file mode 100644
index 0000000..6fea3aa
--- /dev/null
+++ b/ambari-common/src/main/python/jinja2/jinja2/runtime.py
@@ -0,0 +1,544 @@
+# -*- coding: utf-8 -*-
+"""
+ jinja2.runtime
+ ~~~~~~~~~~~~~~
+
+ Runtime helpers.
+
+ :copyright: (c) 2010 by the Jinja Team.
+ :license: BSD.
+"""
+import sys
+from itertools import chain, imap
+from jinja2.nodes import EvalContext, _context_function_types
+from jinja2.utils import Markup, partial, soft_unicode, escape, missing, \
+ concat, internalcode, next, object_type_repr
+from jinja2.exceptions import UndefinedError, TemplateRuntimeError, \
+ TemplateNotFound
+
+
+# these variables are exported to the template runtime
+__all__ = ['LoopContext', 'TemplateReference', 'Macro', 'Markup',
+ 'TemplateRuntimeError', 'missing', 'concat', 'escape',
+ 'markup_join', 'unicode_join', 'to_string', 'identity',
+ 'TemplateNotFound']
+
+#: the name of the function that is used to convert something into
+#: a string. 2to3 will adopt that automatically and the generated
+#: code can take advantage of it.
+to_string = unicode
+
+#: the identity function. Useful for certain things in the environment
+identity = lambda x: x
+
+
+def markup_join(seq):
+ """Concatenation that escapes if necessary and converts to unicode."""
+ buf = []
+ iterator = imap(soft_unicode, seq)
+ for arg in iterator:
+ buf.append(arg)
+ if hasattr(arg, '__html__'):
+ return Markup(u'').join(chain(buf, iterator))
+ return concat(buf)
+
+
+def unicode_join(seq):
+ """Simple args to unicode conversion and concatenation."""
+ return concat(imap(unicode, seq))
+
+
+def new_context(environment, template_name, blocks, vars=None,
+ shared=None, globals=None, locals=None):
+ """Internal helper to for context creation."""
+ if vars is None:
+ vars = {}
+ if shared:
+ parent = vars
+ else:
+ parent = dict(globals or (), **vars)
+ if locals:
+ # if the parent is shared a copy should be created because
+ # we don't want to modify the dict passed
+ if shared:
+ parent = dict(parent)
+ for key, value in locals.iteritems():
+ if key[:2] == 'l_' and value is not missing:
+ parent[key[2:]] = value
+ return Context(environment, parent, template_name, blocks)
+
+
+class TemplateReference(object):
+ """The `self` in templates."""
+
+ def __init__(self, context):
+ self.__context = context
+
+ def __getitem__(self, name):
+ blocks = self.__context.blocks[name]
+ wrap = self.__context.eval_ctx.autoescape and \
+ Markup or (lambda x: x)
+ return BlockReference(name, self.__context, blocks, 0)
+
+ def __repr__(self):
+ return '<%s %r>' % (
+ self.__class__.__name__,
+ self.__context.name
+ )
+
+
+class Context(object):
+ """The template context holds the variables of a template. It stores the
+ values passed to the template and also the names the template exports.
+ Creating instances is neither supported nor useful as it's created
+ automatically at various stages of the template evaluation and should not
+ be created by hand.
+
+ The context is immutable. Modifications on :attr:`parent` **must not**
+ happen and modifications on :attr:`vars` are allowed from generated
+ template code only. Template filters and global functions marked as
+ :func:`contextfunction`\s get the active context passed as first argument
+ and are allowed to access the context read-only.
+
+ The template context supports read only dict operations (`get`,
+ `keys`, `values`, `items`, `iterkeys`, `itervalues`, `iteritems`,
+ `__getitem__`, `__contains__`). Additionally there is a :meth:`resolve`
+ method that doesn't fail with a `KeyError` but returns an
+ :class:`Undefined` object for missing variables.
+ """
+ __slots__ = ('parent', 'vars', 'environment', 'eval_ctx', 'exported_vars',
+ 'name', 'blocks', '__weakref__')
+
+ def __init__(self, environment, parent, name, blocks):
+ self.parent = parent
+ self.vars = {}
+ self.environment = environment
+ self.eval_ctx = EvalContext(self.environment, name)
+ self.exported_vars = set()
+ self.name = name
+
+ # create the initial mapping of blocks. Whenever template inheritance
+ # takes place the runtime will update this mapping with the new blocks
+ # from the template.
+ self.blocks = dict((k, [v]) for k, v in blocks.iteritems())
+
+ def super(self, name, current):
+ """Render a parent block."""
+ try:
+ blocks = self.blocks[name]
+ index = blocks.index(current) + 1
+ blocks[index]
+ except LookupError:
+ return self.environment.undefined('there is no parent block '
+ 'called %r.' % name,
+ name='super')
+ return BlockReference(name, self, blocks, index)
+
+ def get(self, key, default=None):
+ """Returns an item from the template context, if it doesn't exist
+ `default` is returned.
+ """
+ try:
+ return self[key]
+ except KeyError:
+ return default
+
+ def resolve(self, key):
+ """Looks up a variable like `__getitem__` or `get` but returns an
+ :class:`Undefined` object with the name of the name looked up.
+ """
+ if key in self.vars:
+ return self.vars[key]
+ if key in self.parent:
+ return self.parent[key]
+ return self.environment.undefined(name=key)
+
+ def get_exported(self):
+ """Get a new dict with the exported variables."""
+ return dict((k, self.vars[k]) for k in self.exported_vars)
+
+ def get_all(self):
+ """Return a copy of the complete context as dict including the
+ exported variables.
+ """
+ return dict(self.parent, **self.vars)
+
+ @internalcode
+ def call(__self, __obj, *args, **kwargs):
+ """Call the callable with the arguments and keyword arguments
+ provided but inject the active context or environment as first
+ argument if the callable is a :func:`contextfunction` or
+ :func:`environmentfunction`.
+ """
+ if __debug__:
+ __traceback_hide__ = True
+ if isinstance(__obj, _context_function_types):
+ if getattr(__obj, 'contextfunction', 0):
+ args = (__self,) + args
+ elif getattr(__obj, 'evalcontextfunction', 0):
+ args = (__self.eval_ctx,) + args
+ elif getattr(__obj, 'environmentfunction', 0):
+ args = (__self.environment,) + args
+ try:
+ return __obj(*args, **kwargs)
+ except StopIteration:
+ return __self.environment.undefined('value was undefined because '
+ 'a callable raised a '
+ 'StopIteration exception')
+
+ def derived(self, locals=None):
+ """Internal helper function to create a derived context."""
+ context = new_context(self.environment, self.name, {},
+ self.parent, True, None, locals)
+ context.eval_ctx = self.eval_ctx
+ context.blocks.update((k, list(v)) for k, v in self.blocks.iteritems())
+ return context
+
+ def _all(meth):
+ proxy = lambda self: getattr(self.get_all(), meth)()
+ proxy.__doc__ = getattr(dict, meth).__doc__
+ proxy.__name__ = meth
+ return proxy
+
+ keys = _all('keys')
+ values = _all('values')
+ items = _all('items')
+
+ # not available on python 3
+ if hasattr(dict, 'iterkeys'):
+ iterkeys = _all('iterkeys')
+ itervalues = _all('itervalues')
+ iteritems = _all('iteritems')
+ del _all
+
+ def __contains__(self, name):
+ return name in self.vars or name in self.parent
+
+ def __getitem__(self, key):
+ """Lookup a variable or raise `KeyError` if the variable is
+ undefined.
+ """
+ item = self.resolve(key)
+ if isinstance(item, Undefined):
+ raise KeyError(key)
+ return item
+
+ def __repr__(self):
+ return '<%s %s of %r>' % (
+ self.__class__.__name__,
+ repr(self.get_all()),
+ self.name
+ )
+
+
+# register the context as mapping if possible
+try:
+ from collections import Mapping
+ Mapping.register(Context)
+except ImportError:
+ pass
+
+
+class BlockReference(object):
+ """One block on a template reference."""
+
+ def __init__(self, name, context, stack, depth):
+ self.name = name
+ self._context = context
+ self._stack = stack
+ self._depth = depth
+
+ @property
+ def super(self):
+ """Super the block."""
+ if self._depth + 1 >= len(self._stack):
+ return self._context.environment. \
+ undefined('there is no parent block called %r.' %
+ self.name, name='super')
+ return BlockReference(self.name, self._context, self._stack,
+ self._depth + 1)
+
+ @internalcode
+ def __call__(self):
+ rv = concat(self._stack[self._depth](self._context))
+ if self._context.eval_ctx.autoescape:
+ rv = Markup(rv)
+ return rv
+
+
+class LoopContext(object):
+ """A loop context for dynamic iteration."""
+
+ def __init__(self, iterable, recurse=None):
+ self._iterator = iter(iterable)
+ self._recurse = recurse
+ self.index0 = -1
+
+ # try to get the length of the iterable early. This must be done
+ # here because there are some broken iterators around where there
+ # __len__ is the number of iterations left (i'm looking at your
+ # listreverseiterator!).
+ try:
+ self._length = len(iterable)
+ except (TypeError, AttributeError):
+ self._length = None
+
+ def cycle(self, *args):
+ """Cycles among the arguments with the current loop index."""
+ if not args:
+ raise TypeError('no items for cycling given')
+ return args[self.index0 % len(args)]
+
+ first = property(lambda x: x.index0 == 0)
+ last = property(lambda x: x.index0 + 1 == x.length)
+ index = property(lambda x: x.index0 + 1)
+ revindex = property(lambda x: x.length - x.index0)
+ revindex0 = property(lambda x: x.length - x.index)
+
+ def __len__(self):
+ return self.length
+
+ def __iter__(self):
+ return LoopContextIterator(self)
+
+ @internalcode
+ def loop(self, iterable):
+ if self._recurse is None:
+ raise TypeError('Tried to call non recursive loop. Maybe you '
+ "forgot the 'recursive' modifier.")
+ return self._recurse(iterable, self._recurse)
+
+ # a nifty trick to enhance the error message if someone tried to call
+ # the the loop without or with too many arguments.
+ __call__ = loop
+ del loop
+
+ @property
+ def length(self):
+ if self._length is None:
+ # if was not possible to get the length of the iterator when
+ # the loop context was created (ie: iterating over a generator)
+ # we have to convert the iterable into a sequence and use the
+ # length of that.
+ iterable = tuple(self._iterator)
+ self._iterator = iter(iterable)
+ self._length = len(iterable) + self.index0 + 1
+ return self._length
+
+ def __repr__(self):
+ return '<%s %r/%r>' % (
+ self.__class__.__name__,
+ self.index,
+ self.length
+ )
+
+
+class LoopContextIterator(object):
+ """The iterator for a loop context."""
+ __slots__ = ('context',)
+
+ def __init__(self, context):
+ self.context = context
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ ctx = self.context
+ ctx.index0 += 1
+ return next(ctx._iterator), ctx
+
+
+class Macro(object):
+ """Wraps a macro function."""
+
+ def __init__(self, environment, func, name, arguments, defaults,
+ catch_kwargs, catch_varargs, caller):
+ self._environment = environment
+ self._func = func
+ self._argument_count = len(arguments)
+ self.name = name
+ self.arguments = arguments
+ self.defaults = defaults
+ self.catch_kwargs = catch_kwargs
+ self.catch_varargs = catch_varargs
+ self.caller = caller
+
+ @internalcode
+ def __call__(self, *args, **kwargs):
+ # try to consume the positional arguments
+ arguments = list(args[:self._argument_count])
+ off = len(arguments)
+
+ # if the number of arguments consumed is not the number of
+ # arguments expected we start filling in keyword arguments
+ # and defaults.
+ if off != self._argument_count:
+ for idx, name in enumerate(self.arguments[len(arguments):]):
+ try:
+ value = kwargs.pop(name)
+ except KeyError:
+ try:
+ value = self.defaults[idx - self._argument_count + off]
+ except IndexError:
+ value = self._environment.undefined(
+ 'parameter %r was not provided' % name, name=name)
+ arguments.append(value)
+
+ # it's important that the order of these arguments does not change
+ # if not also changed in the compiler's `function_scoping` method.
+ # the order is caller, keyword arguments, positional arguments!
+ if self.caller:
+ caller = kwargs.pop('caller', None)
+ if caller is None:
+ caller = self._environment.undefined('No caller defined',
+ name='caller')
+ arguments.append(caller)
+ if self.catch_kwargs:
+ arguments.append(kwargs)
+ elif kwargs:
+ raise TypeError('macro %r takes no keyword argument %r' %
+ (self.name, next(iter(kwargs))))
+ if self.catch_varargs:
+ arguments.append(args[self._argument_count:])
+ elif len(args) > self._argument_count:
+ raise TypeError('macro %r takes not more than %d argument(s)' %
+ (self.name, len(self.arguments)))
+ return self._func(*arguments)
+
+ def __repr__(self):
+ return '<%s %s>' % (
+ self.__class__.__name__,
+ self.name is None and 'anonymous' or repr(self.name)
+ )
+
+
+class Undefined(object):
+ """The default undefined type. This undefined type can be printed and
+ iterated over, but every other access will raise an :exc:`UndefinedError`:
+
+ >>> foo = Undefined(name='foo')
+ >>> str(foo)
+ ''
+ >>> not foo
+ True
+ >>> foo + 42
+ Traceback (most recent call last):
+ ...
+ UndefinedError: 'foo' is undefined
+ """
+ __slots__ = ('_undefined_hint', '_undefined_obj', '_undefined_name',
+ '_undefined_exception')
+
+ def __init__(self, hint=None, obj=missing, name=None, exc=UndefinedError):
+ self._undefined_hint = hint
+ self._undefined_obj = obj
+ self._undefined_name = name
+ self._undefined_exception = exc
+
+ @internalcode
+ def _fail_with_undefined_error(self, *args, **kwargs):
+ """Regular callback function for undefined objects that raises an
+ `UndefinedError` on call.
+ """
+ if self._undefined_hint is None:
+ if self._undefined_obj is missing:
+ hint = '%r is undefined' % self._undefined_name
+ elif not isinstance(self._undefined_name, basestring):
+ hint = '%s has no element %r' % (
+ object_type_repr(self._undefined_obj),
+ self._undefined_name
+ )
+ else:
+ hint = '%r has no attribute %r' % (
+ object_type_repr(self._undefined_obj),
+ self._undefined_name
+ )
+ else:
+ hint = self._undefined_hint
+ raise self._undefined_exception(hint)
+
+ __add__ = __radd__ = __mul__ = __rmul__ = __div__ = __rdiv__ = \
+ __truediv__ = __rtruediv__ = __floordiv__ = __rfloordiv__ = \
+ __mod__ = __rmod__ = __pos__ = __neg__ = __call__ = \
+ __getattr__ = __getitem__ = __lt__ = __le__ = __gt__ = __ge__ = \
+ __int__ = __float__ = __complex__ = __pow__ = __rpow__ = \
+ _fail_with_undefined_error
+
+ def __str__(self):
+ return unicode(self).encode('utf-8')
+
+ # unicode goes after __str__ because we configured 2to3 to rename
+ # __unicode__ to __str__. because the 2to3 tree is not designed to
+ # remove nodes from it, we leave the above __str__ around and let
+ # it override at runtime.
+ def __unicode__(self):
+ return u''
+
+ def __len__(self):
+ return 0
+
+ def __iter__(self):
+ if 0:
+ yield None
+
+ def __nonzero__(self):
+ return False
+
+ def __repr__(self):
+ return 'Undefined'
+
+
+class DebugUndefined(Undefined):
+ """An undefined that returns the debug info when printed.
+
+ >>> foo = DebugUndefined(name='foo')
+ >>> str(foo)
+ '{{ foo }}'
+ >>> not foo
+ True
+ >>> foo + 42
+ Traceback (most recent call last):
+ ...
+ UndefinedError: 'foo' is undefined
+ """
+ __slots__ = ()
+
+ def __unicode__(self):
+ if self._undefined_hint is None:
+ if self._undefined_obj is missing:
+ return u'{{ %s }}' % self._undefined_name
+ return '{{ no such element: %s[%r] }}' % (
+ object_type_repr(self._undefined_obj),
+ self._undefined_name
+ )
+ return u'{{ undefined value printed: %s }}' % self._undefined_hint
+
+
+class StrictUndefined(Undefined):
+ """An undefined that barks on print and iteration as well as boolean
+ tests and all kinds of comparisons. In other words: you can do nothing
+ with it except checking if it's defined using the `defined` test.
+
+ >>> foo = StrictUndefined(name='foo')
+ >>> str(foo)
+ Traceback (most recent call last):
+ ...
+ UndefinedError: 'foo' is undefined
+ >>> not foo
+ Traceback (most recent call last):
+ ...
+ UndefinedError: 'foo' is undefined
+ >>> foo + 42
+ Traceback (most recent call last):
+ ...
+ UndefinedError: 'foo' is undefined
+ """
+ __slots__ = ()
+ __iter__ = __unicode__ = __str__ = __len__ = __nonzero__ = __eq__ = \
+ __ne__ = __bool__ = Undefined._fail_with_undefined_error
+
+
+# remove remaining slots attributes, after the metaclass did the magic they
+# are unneeded and irritating as they contain wrong data for the subclasses.
+del Undefined.__slots__, DebugUndefined.__slots__, StrictUndefined.__slots__