[web2py] resize image validator using PIL

[kachna]

Hi,
I am trying to write validator to resize my image before storing in DB
field.


class RESIZE_IMG(object):
        def __init__(self, isThumb=False, error_message='unresizable'):
                (self.isThumb, self.error_message) = (isThumb, error_message)

        def __call__(self, value):
                import Image

                try:

                        im = Image.open(value.file)
                        # This print is OK. PIL recognize uploaded image
                        print im.size, im.format

                        im.resize((100, 100))
                        value.file.seek(0)
                        im.save(value.file, im.format)
                        return (value, None)
                except Exception as e:
                        print 'resize exception:', e
                        return (value, self.error_message)

Script runs well but data in DB field is no image data. It can' t be
displayed by download function from default controller too.

Thanks for help.