class Product(models.Model): upload_path = 'media/product' image = models.ImageField(upload_to=upload_path, null=True, blank=True) image_url = models.URLField(null=True, blank=True) def save(self, *args, **kwargs): if self.image_url: import urllib, os from urlparse import urlparse file_save_dir = upload_path filename = urlparse(self.image_url).path.split('/')[-1] urllib.urlretrieve(self.image_url, os.path.join(file_save_dir, filename)) self.image = os.path.join(file_save_dir, filename) self.image_url = '' super(Product, self).save()