Message 386782 - Python tracker

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Author	elbarkwon
Recipients	elbarkwon
Date	2021-02-10.14:37:21
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1612967841.33.0.0362829630893.issue43194@roundup.psfhosted.org>
In-reply-to

Content
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)

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)

History
Date	User	Action	Args
2021-02-10 14:37:21	elbarkwon	set	recipients: + elbarkwon
2021-02-10 14:37:21	elbarkwon	set	messageid: <1612967841.33.0.0362829630893.issue43194@roundup.psfhosted.org>
2021-02-10 14:37:21	elbarkwon	link	issue43194 messages
2021-02-10 14:37:21	elbarkwon	create