Python copy on PIL image object -

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i'm trying create set of thumbnails, each 1 separately downscaled original image.

image = image.open(path) image = image.crop((left, upper, right, lower)) size in sizes:   temp = copy.copy(image)   temp.thumbnail((size, height), image.antialias)   temp.save('%s%s%s.%s' % (path, name, size, format), quality=95)

the above code seemed work fine while testing discovered images (i can't tell what's special them, maybe png) raise error:

/usr/local/lib/python2.6/site-packages/pil/pngimageplugin.py in read(self=<pil.pngimageplugin.pngstream instance>) line: s = self.fp.read(8) <type 'exceptions.attributeerror'>: 'nonetype' object has no attribute 'read'

without copy() these images work fine.

i open , crop image anew every thumbnail, i'd rather have better solution.

i guess copy.copy() not work pil image class. try using image.copy() instead, since there reason:

image = image.open(path) image = image.crop((left, upper, right, lower)) size in sizes:   temp = image.copy()  # <-- instead of copy.copy(image)   temp.thumbnail((size, height), image.antialias)   temp.save('%s%s%s.%s' % (path, name, size, format), quality=95)

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