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Fri Mar 27 05:37:16 CET 2009 · https://mail.python.org/pipermail/python-dev/2009-March/087745.html

P.J. Eby wrote:
 > As someone else suggested, moving some of the functionality to PEP 302
 > interfaces would also help.  Most of the code, though, deals with
 > locating/inspecting installed distributions, resolving version
 > requirements, and managing sys.path.  And most of the nastiest
 > complexity comes from trying to support true filename access to
 > resources -- if that were dropped from the stdlib, there'd be no need
 > for egg caches and the like, along with all the complexity entailed.
 >
 > Application environments such as Chandler, Trac, Zope, etc. that want
 > their plugins to live in .egg files wouldn't necessarily be able to use
 > such an API, but the independent pkg_resources wouldn't be
 > disappearing.  (Of course, they could also implement
 > application-specific file extraction, if the stdlib API included the
 > ability to inspect and open zipped resources.)

Could you comment on why they couldn't use such an API?

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