[issue14807] Move tarfile.filemode() into stat module

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

I'm not sure filemode() is the best name for this. On the other hand, I don't have any suggestion.
I don't understand why you're using atexit. tearDown() and addCleanup() are your friends.
The call_safely thing also looks unwarranted. support.unlink() should be able to help you.

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nosy: +pitrou
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14807>
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