Am 16.04.2011, 17:51 Uhr, schrieb Gábor Farkas <ga...@nekomancer.net>:

is PIL's image-format-detection purely filename-extension based?
i mean, what happens if i take the problematic file, and rename it
to have a jpeg-extension... will PIL not try the other file-format-plugins,
when jpeg fails?

No, PIL won'.t It isn't brilliant but that's how it works. Try and think through the converse: this could be JPEG but I'll work my way through the alternatives till I'm sure. In your situation it seems perfectly reasonable to expect the MIME-type to be available, so you can enforce it in the form handling.

Charlie
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