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comments for future understanding

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This commit is contained in:
wiredfool 2015-09-10 04:36:07 -07:00
parent c614846fb7
commit 587698051f
1 changed files with 7 additions and 1 deletions
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8
PIL/JpegImagePlugin.py
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@ -422,6 +422,9 @@ def _getexif(self):
exif[key] = _fixup(value) exif[key] = _fixup(value)
# get exif extension # get exif extension
try: try:
# exif field 0x8769 is an offset pointer to the location
# of the nested embedded exif ifd.
# It should be a long, but may be corrupted.
file.seek(exif[0x8769]) file.seek(exif[0x8769])
except (KeyError, TypeError): except (KeyError, TypeError):
pass pass
@ -432,7 +435,10 @@ def _getexif(self):
exif[key] = _fixup(value) exif[key] = _fixup(value)
# get gpsinfo extension # get gpsinfo extension
try: try:
file.seek(exif[0x8825]) # exif field 0x8825 is an offset pointer to the location
# of the nested embedded gps exif ifd.
# It should be a long, but may be corrupted.
file.seek(exif[0x8825])
except (KeyError, TypeError): except (KeyError, TypeError):
pass pass
else: else: