More info:
>>> im = Image.open('my_logo.png')
>>> outfile = 'my_logo.jpg'
>>> im.save(outfile)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "/usr/lib/python2.4/site-packages/PIL/Image.py", line 1272, in save
self.load()
File "/usr/lib/python2.4/site-packages/PIL/ImageFile.py", line 155, in
load
self.load_prepare()
File "/usr/lib/python2.4/site-packages/PIL/PngImagePlugin.py", line 337,
in load_prepare
raise IOError("cannot read interlaced PNG files")
IOError: cannot read interlaced PNG files
Is there some way I can work with interlaced PNG's in PIL?
On Sat, Mar 21, 2009 at 5:29 PM, Nate Reed <natereed....@gmail.com> wrote:
> I have a model that uses sorl-thumbnail.ImageWithThumbnailsField:
>
> class Vendor(models.Model):
> url = models.URLField()
> logo = ImageWithThumbnailsField(
> blank = True,
> null = True,
> upload_to = 'logos',
> thumbnail={'size': (80, 80)}
> )
>
> When I try to create a new Vendor using a particular PNG file (it would
> works for some PNG's but not this one) in my admin interface, I get the
> following error for the 'logo' field:
>
> "Upload a valid image. The file you uploaded was either not an image or a
> corrupted image."
>
> I've verified this image is not corrupted, and it's a valid PNG file.
> Also, the error doesn't seem to be coming from PIL:
>
> >>> import Image
> >>> im = Image.open('my_logo.png')
> >>> print im.format, im.size, im.mode
> PNG (142, 49) P
>
> Here's the format/size/mode for one that works fine with image uploading:
> PNG (420, 420) RGBA
>
> Any ideas? How can I find where this error is originating?
>
> Nate
>
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