[issue42028] Regression in mimetypes for image/bmp

[Irit Katriel]

Change by Irit Katriel :


--
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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[issue42028] Regression in mimetypes for image/bmp

[Andrei Kulakov]

Andrei Kulakov  added the comment:

This was fixed in https://github.com/python/cpython/pull/26300
so the issue can be closed as fixed, and the PR can also be closed.

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nosy: +andrei.avk

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[issue42028] Regression in mimetypes for image/bmp

[Steve Dower]

Steve Dower  added the comment:

Yep, looks like the extra entry can just be removed. Guess we missed it in 
issue4963

Care to submit a PR?

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versions: +Python 3.10 -Python 3.7

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[issue42028] Regression in mimetypes for image/bmp

[Raymond Hettinger]

Change by Raymond Hettinger :


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nosy: +steve.dower

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[issue42028] Regression in mimetypes for image/bmp

[xpdseth]

New submission from xpdseth :

Please check the following short examples of the issue:

Status: Downloaded newer image for python:3.7.4
Python 3.7.4 (default, Oct 17 2019, 05:59:21)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mimetypes
>>> str(mimetypes.guess_extension('image/bmp'))
'.bmp'


Status: Downloaded newer image for python:3.7.5
Python 3.7.5 (default, Nov 23 2019, 05:59:34)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mimetypes
>>> str(mimetypes.guess_extension('image/bmp'))
'None'
>>>

Status: Downloaded newer image for python:latest
Python 3.9.0 (default, Oct  6 2020, 21:52:53)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mimetypes
>>> str(mimetypes.guess_extension('image/bmp'))
'None'


I believe the issue is introduced here by duplicating the bmp key in 
types_map/_types_map_default

'.bmp': 'image/bmp'
https://github.com/python/cpython/pull/14375/files#diff-aed43839a49bace08b60186baa4b27ad69ecd6b61f928bd696b4fb670750774fR490

 '.bmp': 'image/x-ms-bmp',
https://github.com/python/cpython/pull/14375/files#diff-aed43839a49bace08b60186baa4b27ad69ecd6b61f928bd696b4fb670750774fR502

--
components: Library (Lib)
messages: 378577
nosy: xpdseth
priority: normal
pull_requests: 21656
severity: normal
status: open
title: Regression in mimetypes for image/bmp
type: behavior
versions: Python 3.7, Python 3.8, Python 3.9

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