from django.db.models.fields.files import ImageFieldFile import os from ...utils import suggest_extension class ProcessedImageFieldFile(ImageFieldFile): def save(self, name, content, save=True): filename, ext = os.path.splitext(name) ext = suggest_extension(name, self.field.spec.format) new_name = '%s%s' % (filename, ext) content = self.field.spec.apply(content, new_name) return super(ProcessedImageFieldFile, self).save(new_name, content, save)