def save(self, fileobj, format):
format_object = get_format(format)
if not format_object:
raise FormatNotSupported(format)
format_object.save(self, fileobj)
def open(cls, fileobj):
for format in get_format_objects():
image = format.open(fileobj)
if image:
return image
raise FormatNotSupported()
def encode(image, fileobj):
raise FormatNotSupported('jpeg')