[ http://issues.apache.org/jira/browse/MODPYTHON-113?page=all ]
Graham Dumpleton updated MODPYTHON-113:
---------------------------------------
Attachment: MP113_20060316_grahamd_1.diff
Attached "MP113_20060316_grahamd_1.diff" containing proposed changes. This also
includes changes to implement MODPYTHON-118.
The problem covered by this issue needs to be addressed, but changes for
MODPYTHON-118 are optional and can be left out if anyone objects.
Feedback appreciated.
> PythonImport should use apache.import_module() and not
> PyImport_ImportModule().
> -------------------------------------------------------------------------------
>
> Key: MODPYTHON-113
> URL: http://issues.apache.org/jira/browse/MODPYTHON-113
> Project: mod_python
> Type: Bug
> Components: core
> Versions: 3.1.4, 3.2.7
> Reporter: Graham Dumpleton
> Assignee: Graham Dumpleton
> Attachments: MP113_20060316_grahamd_1.diff
>
> When the "PythonImport" directive is used, mod_python uses the
> "PyImport_ImportModule()" function to import the specified module. If that
> same module is later imported using the "apache.import_module()" function, it
> will be reloaded a second time even though the Python module file hadn't
> changed and even if "PythonAutoReload" is set to "Off".
> This reloading can cause problems if the module when loaded using
> PythonImport had setup resources such as database connections etc. This is
> because "apache.import_module()" will effectively throw away the existing
> values
> and replace them. This can be an issue if the resources aren't deleted
> properly and hold open stuff like socket connections with those connections
> no longer being accessible or useable.
> The basic problem here is the mixing of standard Python import mechanism and
> any system implemented by mod_python. The best solution now and in the
> future, would be for the "PythonImport" directive to use the
> "apache.import_module()" function to import any modules. That way it would be
> ensured they always work together properly and not against each other.
> Note that this problem was previously catalogued as ISSUE 17 on my list of
> mod_python module importing problems. This list of problems can be found at:
> http://www.dscpl.com.au/articles/modpython-003.html
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