[ http://issues.apache.org/jira/browse/MODPYTHON-54?page=all ]
     
Work on MODPYTHON-54 started by Graham Dumpleton

> Add a way to import a published page into another published page
> ----------------------------------------------------------------
>
>          Key: MODPYTHON-54
>          URL: http://issues.apache.org/jira/browse/MODPYTHON-54
>      Project: mod_python
>         Type: Improvement
>   Components: importer
>     Versions: 3.2.7
>     Reporter: Nicolas Lehuen
>     Assignee: 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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