[issue16512] imghdr doesn't support jpegs with an ICC profile

[Kovid Goyal]

Kovid Goyal added the comment:

FYI, the test I currently use in calibre, which has not failed so far for millions of users:

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] or b'8BIM' in h[:32])):
        return 'jpeg'

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16512>
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