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Increase MAXBLOCK on save failure

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Under certain circumstances, saving a JPEG may fail if MAXBLOCK isn't
large enough, so we (temporarily) increase it. This should fix #50.
This commit is contained in:
Matthew Tretter 2011-11-04 22:43:41 -04:00
parent 486fb51a1e
commit dd7ae5a8e4
1 changed files with 8 additions and 2 deletions
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10
imagekit/utils.py
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@ -4,7 +4,7 @@ import types
from django.utils.functional import wraps
from imagekit.lib import Image
from imagekit.lib import Image, ImageFile
def img_to_fobj(img, format, **kwargs):
@ -17,7 +17,13 @@ def img_to_fobj(img, format, **kwargs):
else:
img = img.convert('RGB')
img.save(tmp, format, **kwargs)
try:
img.save(tmp, format, **kwargs)
except IOError:
old_maxblock = ImageFile.MAXBLOCK
ImageFile.MAXBLOCK = img.size[0] * img.size[1]
img.save(tmp, format, **kwargs)
ImageFile.MAXBLOCK = old_maxblock
tmp.seek(0)
return tmp