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From "Graham Dumpleton (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MODPYTHON-143) Implement and integrate a new module importer.
Date Sun, 19 Mar 2006 09:57:58 GMT
    [ http://issues.apache.org/jira/browse/MODPYTHON-143?page=comments#action_12370976 ] 

Graham Dumpleton commented on MODPYTHON-143:
--------------------------------------------

For technical reasons related to ensuring new importer got to take over from old at the right
time, original plan of using PythonImport to enable new importer had to be abandoned. Instead,
new importer would be enabled by doing one of the following.

To enable use of new importer for all Python interpreter instances, in other words for everything,
will be necessary to specify:

  PythonOption mod_python.future.importer *

To enable use of the new importer for selected Python interpreter instances, instead of "*"
a comma separated list of interpreter names can be specified. Thus, to enable for a single
interpreter called "testing-1", use:

  PythonOption mod_python.future.importer testing-1

Or for both "testing-1" and "testing-2" interpreters, use:

  PythonOption mod_python.future.importer testing-1,testing-2

In all cases, the PythonOption must be in the main Apache configuration files outside of any
VirtualHost, Directory, Files or Location directives.




> Implement and integrate a new module importer.
> ----------------------------------------------
>
>          Key: MODPYTHON-143
>          URL: http://issues.apache.org/jira/browse/MODPYTHON-143
>      Project: mod_python
>         Type: Task
>   Components: importer
>     Versions: 3.2.8
>     Reporter: Graham Dumpleton
>     Assignee: Graham Dumpleton

>
> This is an overall task to cover the issue of rectifying the various module importer
issues by replacing it with a new implementation. A description of the various problems can
be found in:
>   http://www.dscpl.com.au/articles/modpython-003.html
> Separate issues had already been created for some of the specific problems. These issues
will now be linked to this problem and thus marked as being dependent on this issue.
> In other words, replacing the module importer will solve a number of number issues. Rather
than try and keep up to date all the separate issues, all information about the replacement
will be put against this issue instead.
> Note that there are also some issues which are not directly related to the module importer
but which will be made dependent on this issue because it is easier to fix the issue as part
of the rewrite of the module importer and top level handler dispatch mechanism than it is
to address it as a distinct item.
> In respect of what impacts the new module importer implementation may have and how it
is used may change, this will be documented in the following document for the time being:
>   http://www.dscpl.com.au/articles/modpython-007.html
> Note that this document is a work in progress. It is dense reading and assumes you know
a bit about the current module importer and its problems. Any significant issues raised by
this document can be added here as a comment, or if a general dicussion of a topic is needed,
raise the issue on the mod_python developers mailing list.
> A possible new implementation for the module importer is basically ready for testing
and experimentation. The intent is to push it into the mod_python source tree, but for its
use to be optional. 
> If wanting to enable it for a specific Python interpreter, the PythonImport directive
would be used:
>   PythonImport mod_python.future.importer mytestinterpreter
> If wanting to enable it for all Python interpreters, a PythonOption directive would be
used at global scope within the Apache configuration. Ie., outside of all Location, Directory
or Files container directives. The exact option name to be used hasn't yet been decided.
> More details and announcements at the appropriate time.

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