Frank Hamand added the comment:
>From msg172531 in issue10551:
"You see, "MIME\Database\Content Type" in the Windows registry is a mime type
-> file extension mapping, *not the other way around*. But
read_windows_registry() tries to use it as a file extension -> mime type
mapping, and bad things happen, because there are multiple mime types for
certain file extensions."
This "enhancement" has basically broken the mimetypes module on windows,
e.g. On my system (windows 7 64 bit, python 3.3)
>>> mimetypes.guess_type('foo.png')
('image/x-png', None)
>>> mimetypes.guess_type('foo.jpg')
('image/pjpeg', None)
The expected results are image/png and image/jpeg
I'm having to work around this by calling mimetypes.init(files=[]) immediately
after importing mimetypes to prevent it reading from the registry
----------
nosy: +shawabawa
versions: +Python 3.3
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<http://bugs.python.org/issue4969>
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