[issue4963] mimetypes.guess_extension result changes after mimetypes.init()

[Antoine Pitrou]

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

Can't reproduce under Mandriva Linux:

>>> import mimetypes
>>> print(mimetypes.guess_extension('image/jpeg'))
.jpe
>>> mimetypes.init()
>>> print(mimetypes.guess_extension('image/jpeg'))
.jpe

The fact that it returns ".jpe" rather than ".jpg", however, could be a bug in itself (since the latter will really be expected by everyone, not the former).

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4963>
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