[ python-Bugs-856103 ] reload() fails with modules from zips

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Bugs item #856103, was opened at 2003-12-08 21:48
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Category: Python Interpreter Core
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Tony Meyer (anadelonbrin)
Assigned to: Nobody/Anonymous (nobody)
Summary: reload() fails with modules from zips

Initial Comment:
If you call reload() with a module that was imported from 
a zip, it fails with a "no such module" error.  Although 
zips are typically read-only, it is possible that a zip could 
be modified during a run, and a reload be necessary.  If 
this is considered unnecessary, then I think a more 
informative "can't reload from zip" error would be better 
than a 'no such module" one.

"""
>set PYTHONPATH=path/to/spambayes.zip
>python

>>> from spambayes import Options
>>> Options
<module 'spambayes.Options' 
from 'c:\spambayes\windows\py2exe\dist\lib\spambayes
.zip\spambayes\Options.pyc'>
>>> reload(Options)
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
ImportError: No module named Options
"""

This is with Python 2.3.2 and WinXP.

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