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bpo-44539: Support recognizing JPEG files without JFIF or Exif markers (GH-26964)

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Co-authored-by: moemansour03@gmail.com <m.mansour@tecfrac.com>
Co-authored-by: Éric Araujo <merwok@netwok.org>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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Mohamad Mansour 2021-07-20 21:56:57 +03:00 • committed by GitHub
parent 6564656495
commit 3b56b3b97d
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4 changed files with 5 additions and 1 deletions
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4
Lib/imghdr.py
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@ -35,9 +35,11 @@ def what(file, h=None):
tests = []
def test_jpeg(h, f):
"""JPEG data in JFIF or Exif format"""
"""JPEG data with JFIF or Exif markers; and raw JPEG"""
if h[6:10] in (b'JFIF', b'Exif'):
return 'jpeg'
elif h[:4] == b'\xff\xd8\xff\xdb':
return 'jpeg'
tests.append(test_jpeg)