Repository navigation
Add JFXX as jpeg marker in imghdr module #87360
Description
| BPO | 43194 |
|---|---|
| Nosy | @iritkatriel, @alexdraconian |
| PRs |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
Show more details
GitHub fields:
assignee = None
closed_at = <Date 2022-03-13.17:17:13.345>
created_at = <Date 2021-02-10.14:37:21.318>
labels = ['type-feature', 'library', '3.9', '3.10']
title = 'Add JFXX as jpeg marker in imghdr module'
updated_at = <Date 2022-03-13.17:17:13.344>
user = 'https://github.com/alexdraconian'bugs.python.org fields:
activity = <Date 2022-03-13.17:17:13.344>
actor = 'iritkatriel'
assignee = 'none'
closed = True
closed_date = <Date 2022-03-13.17:17:13.345>
closer = 'iritkatriel'
components = ['Library (Lib)']
creation = <Date 2021-02-10.14:37:21.318>
creator = 'elbarkwon'
dependencies = []
files = []
hgrepos = []
issue_num = 43194
keywords = []
message_count = 2.0
messages = ['386782', '415048']
nosy_count = 2.0
nosy_names = ['iritkatriel', 'elbarkwon']
pr_nums = ['24474']
priority = 'normal'
resolution = 'wont fix'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43194'
versions = ['Python 3.9', 'Python 3.10']
Activity
alexdraconian commentedon Feb 10, 2021
Currently imghdr module only finds "JFIF" or "Exif" in specific position. However there's some jpeg images with "JFXX" marker. I had some image with this marker and imghdr.what() returned None.
Refer to:
https://www.ecma-international.org/wp-content/uploads/ECMA_TR-98_1st_edition_june_2009.pdf
(Section 10.1 JFIF Extension APP0 Marker Segment)
iritkatriel commentedon Mar 13, 2022
imghdr is deprecated as per PEP-594, so there won't be further enhancements to it.