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upload: Fix logic for orientation when uploading avatars.

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The previous logic was broken for an avatar without exif data.
This commit is contained in:
Tim Abbott 2018-05-30 09:22:01 -07:00
parent 3f0a1e7c54
commit bbcdf8ca99
1 changed files with 6 additions and 2 deletions
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8
zerver/lib/upload.py
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@ -85,9 +85,13 @@ name_to_tag_num = dict((name, num) for num, name in ExifTags.TAGS.items())
# https://stackoverflow.com/a/6218425
def exif_rotate(image: Image) -> Image:
if hasattr(image, '_getexif') is False:
if not hasattr(image, '_getexif'):
return image
exif_dict = dict(image._getexif().items())
exif_data = image._getexif()
if exif_data is None:
return image
exif_dict = dict(exif_data.items())
orientation = exif_dict.get(name_to_tag_num['Orientation'])
if orientation == 3: