Can you print the following attributes for a broken file, before calling load:
pil_data.mode
pil_data.size
pil_data.tile
</F>
2009/3/3 Wichert Akkerman <wich...@simplon.biz>:
> I have a small routine which tries to verify if an uploaded file is a valid
> image. It works like this:
>
> image_data=StringIO(data)
> try:
> pil_data=PIL.Image.open(image_data)
> except IOError: # PIL abuses IOError to report parsing errors
> raise Invalid(self.message("bad_image", state),
> value, state)
>
> pil_data.load()
> (width,height)=pil_data.size
>
> For some images I get an OverflowError on the load() call:
>
> Module PIL.ImageFile:155 in load
>>> self.load_prepare()
> Module PIL.ImageFile:223 in load_prepare
>>> self.im = Image.core.new(self.mode, self.size)
> OverflowError: long int too large to convert to int
>
> I can not find any information as to what the problem might be. It seems to
> only occur for bmp files; jpeg and png appear to work correctly.
>
> This is using PIL 1.1.6 and Python 2.5 on a Linux system.
>
> Wichert.
> << self.map = None
>
> self.load_prepare()
>
> # look for read/seek overrides
> << if not self.im or\
> self.im.mode != self.mode or self.im.size != self.size:
> self.im = Image.core.new(self.mode, self.size)
> # create palette (optional)
> if self.mode == "P":
> _______________________________________________
> Image-SIG maillist - image-...@python.org
> http://mail.python.org/mailman/listinfo/image-sig
>
>
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