[issue4197] Doctest module does not work with zipped packages

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

I don't think there is an easy way to fix source file name reporting 
without injecting __file__ = '<path to archive>/<filename>' into the 
module namespace is zipimporter, but I don't know if any code relies on 
__file__ set to None.

Setting __file__ to (in the test case) testmodule.zip/__main__.py will 
eliminate the need for the first patch and the second patch will only need 
to pass globs to linecache.getlines() to fix the line number issue.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4197>
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