[issue39441] mimetypes.guess_extension unable to get non-lowercase mimetype

Irit Katriel added the comment: See also Issue20392. -- nosy: +iritkatriel ___ Python tracker ___ ___ Python-bugs-list mailing

[issue39441] mimetypes.guess_extension unable to get non-lowercase mimetype

Change by Irit Katriel : -- versions: -Python 3.7, Python 3.8 ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue39441] mimetypes.guess_extension unable to get non-lowercase mimetype

Change by Terry J. Reedy : -- versions: -Python 3.6 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue39441] mimetypes.guess_extension unable to get non-lowercase mimetype

New submission from Guénaël Muller : mimetypes.guess_extension and mimetypes.guess_all_extensions doesn't work correctly with non-lowercase mimetype. >>> import mimetypes >>> mimetypes.guess_type('file.pptm') ('application/vnd.ms-powerpoint.presentation.macroEnabled.12', None) >>>