Kovid Goyal added the comment:
The attached patch is insufficient, for example, it fails on
http://nationalpostnews.files.wordpress.com/2013/03/budget.jpeg?w=300&h=1571
Note that the linux file utility identifies a files as "JPEG Image data" if the
first two bytes of the file are \xff\xd8.
A slightly stricter test that catches more jpeg files:
def test_jpeg(h, f):
if (h[6:10] in (b'JFIF', b'Exif')) or (h[:2] == b'\xff\xd8' and b'JFIF' in
h[:32]):
return 'jpeg'
----------
nosy: +kovid
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<http://bugs.python.org/issue16512>
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