models.py 文件源码

def recut_generator(self):
        """
            ????????? ??????????? ???? ???????? ???????.

            ??????:
                for error_code, msg in gallery.recut_generator():
                    print(msg)
                    if error_code:
                        break
        """
        image_items = list(self.image_items)
        for item in image_items:
            if not item.image:
                yield 1, 'Error (ID %d): Empty value' % item.pk
                continue

            if not item.image.exists():
                yield 2, 'Error (ID %d): Not found %r' % (item.pk, item.image.url)
                continue

            item.image.recut()
            yield 0, item.image.url