[jira] Work started: (MODPYTHON-164) Allow req.add_handler()/req.register_*_filter() to take module/function for handler.

["Graham Dumpleton (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/MODPYTHON-164?page=all ]

Work on MODPYTHON-164 started by Graham Dumpleton.

> Allow req.add_handler()/req.register_*_filter() to take module/function for handler.
> ------------------------------------------------------------------------------------
>
>                 Key: MODPYTHON-164
>                 URL: http://issues.apache.org/jira/browse/MODPYTHON-164
>             Project: mod_python
>          Issue Type: New Feature
>          Components: core
>            Reporter: Graham Dumpleton
>         Assigned To: Graham Dumpleton
>
> Currently, the:
>   req.add_handler(phase, handler, dir)
>   req.register_input_filter(filter_name, filter, dir)
>   req.register_output_filter(filter_name, filter, dir)
> functions require the handler/filter to be a string. This string identifies the module that should be imported and which contains the necessary function, plus optionally, an alternate named function to the default for the phase or filter type. For example:
>   req.add_handler("PythonHandler", "mymodule::myhandler")
> It would be simpler if the handler/filter argument could be overloaded and instead supplied an actual module reference or callable object reference. For example:
>   import mymodule
>   def myhandler(req):
>     ...
>   def fixuphandler(req):
>     req.add_handler("PythonHandler", mymodule)
>     req.add_handler("PythonHandler", mymodule.myhandler)
>     req.add_handler("PythonHandler", myhandler)
>     return apache.OK
> This would be easier than having to construct a string module/function reference when you have direct access to the handler function.
> In the main the "dir" argument would be irrelevant. The only circumstance where it would matter is where PythonInterpPerDirective was used as it could be used to control the interpreter the code executed within. If not supplied, it could be argued that the directory where the supplied module/function is defined in should be used as "dir".

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