[tinkerpop] 01/04: TINKERPOP-1838 Added an example file for python

[sp...@apache.org]

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spmallette pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/tinkerpop.git

commit 278d7ed40f7642f79e1a036340d755de1cb7c87b
Author: Stephen Mallette <sp...@genoprime.com>
AuthorDate: Thu Oct 3 14:05:24 2019 -0400

    TINKERPOP-1838 Added an example file for python
    
    Similar to what we have with archetypes in java and templates in .net - just simpler.
---
 gremlin-python/src/main/jython/example.py | 52 +++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/gremlin-python/src/main/jython/example.py b/gremlin-python/src/main/jython/example.py
new file mode 100644
index 0000000..10f0d4b
--- /dev/null
+++ b/gremlin-python/src/main/jython/example.py
@@ -0,0 +1,52 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from gremlin_python.process.anonymous_traversal import traversal
+from gremlin_python.driver.driver_remote_connection import DriverRemoteConnection
+import json
+
+
+to_string = json.dumps
+
+
+def main():
+
+    # connect to a remote server that is compatible with the Gremlin Server protocol. for those who
+    # downloaded and are using Gremlin Server directly be sure that it is running locally with:
+    #
+    # bin/gremlin-server.sh console
+    #
+    # which starts it in "console" mode with an empty in-memory TinkerGraph ready to go bound to a
+    # variable named "g" as referenced in the following line.
+    g = traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin', 'g'))
+
+    # add some data - be sure to use a terminating step like iterate() so that the traversal
+    # "executes". iterate() does not return any data and is used to just generate side-effects
+    # (i.e. write data to the database)
+    g.addV('person').property('name', 'marko').as_('m'). \
+        addV('person').property('name', 'vadas').as_('v'). \
+        addE('knows').from_('m').to('v').iterate()
+
+    # retrieve the data from the "marko" vertex
+    print("marko: " + to_string(g.V().has('person', 'name', 'marko').valueMap().next()))
+
+    # find the "marko" vertex and then traverse to the people he "knows" and return their data
+    print("who marko knows: " + to_string(g.V().has('person', 'name', 'marko').out('knows').valueMap().next()))
+
+
+if __name__ == "__main__":
+    main()