[Python-Dev] Python 2.3a1 release -- Dec 31

[Samuele Pedroni]

From: "Samuele Pedroni" <pedronis@bluewin.ch>
> >    zipimporter.c
> >    - removed the subdir feature, which allowed the path to the
> >    zip archive to be extended with a subdirectory. PEP 273
> >    stated this was needed for package support (and only for
> >    that). However, with the new import hooks this is no longer
> >    true: a path item containing the plain zip archive path can
> >    also deal with submodules (find_module receives the full
> >    module name after all). Therefore a pkg.__path__ from a
> >    package loaded from a zip archive will contain the *plain*
> >    zip archive path.
> >    - as a consequence I could simplify and clean up lots of
> >    things (esp. zipimporter_init: eg. it no longer needs to
> >    check sys.path_importer_cache; yay). Getting rid of the
> >    zipimporter.prefix attribute altogether helped a lot in
> >    other places.
> >    - this change additionally enabled me to get rid of the
> >    restriction that zip paths must end in .ZIP or .zip; any
> >    extension (or even no extension) will now work.
>
> will not this break __path__ manipulations?
>

further this change is backward incompatible with what is allowed by Jython
2.1,

it was considered a feature to be able to put

path/to/a.zip/python

in sys.path, so that the a.b package would be looked up under

path/to/a.zip/python/a/b.

regards.