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Posted to mod_python-dev@quetz.apache.org by "Graham Dumpleton (JIRA)" <ji...@apache.org> on 2007/04/02 13:23:32 UTC
[jira] Closed: (MODPYTHON-54) Add a way to import a published page
into another published page
[ https://issues.apache.org/jira/browse/MODPYTHON-54?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Graham Dumpleton closed MODPYTHON-54.
-------------------------------------
> Add a way to import a published page into another published page
> ----------------------------------------------------------------
>
> Key: MODPYTHON-54
> URL: https://issues.apache.org/jira/browse/MODPYTHON-54
> Project: mod_python
> Issue Type: Improvement
> Components: importer
> Affects Versions: 3.2.7
> Reporter: Nicolas Lehuen
> Assigned To: Graham Dumpleton
> Fix For: 3.3
>
>
> Before mod_python 3.2, standard Python modules and published modules could be imported the same way, using apache.import_module. This had a number of disadvantages, leading to MODPYTHON-8, MODPYTHON-9, MODPYTHON-10, MODPYTHON-11 and MODPYTHON-12.
> All these bugs were fixed by separating the published modules from the standard Python module. apache.import_module can still be used to import standard modules, but published modules are now fully managed by mod_python.publisher, and are not inserted into sys.modules.
> The problem is that there is a use case of importing a published module from another published module :
> /index.py----------------
> def index(req):
> return "Hello, world !"
> def utility_function(foobar):
> return foobar+1
> /other.py----------------
> import os
> directory = os.path.split(__file__)[0]
> other_index = apache.import_module("index",path=[directory])
> def index(req):
> return "%s %i"%(other_index.index(req),other_index.utility_function(2004))
> This was alread a bit of a hack in 3.1.4, but in 3.2 it does not really work the expected way since the imported module (other_index in the example) is not the same module as the one the publisher would use to publish /index.py. This could be troublesome if the developer wanted to share some data between the modules, e.g. a cache or a connection pool, but not if he only wanted to share some code.
> Therefore, we need to provide a clean API in mod_python.publisher to allow developers to reference another published module.
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