models.py 文件源码

def save(self, *args: typing.Any, **kwargs: typing.Any) -> None:
        super(Gallery, self).save(*args, **kwargs)
        if self.thumbnail_url and not self.thumbnail:
            response = request_with_retries(
                self.thumbnail_url,
                {
                    'timeout': 25,
                    'stream': True
                },
                post=False,
            )
            if response:
                disassembled = urlparse(self.thumbnail_url)
                file_name = basename(disassembled.path)
                lf = NamedTemporaryFile()
                if response.status_code == requests.codes.ok:
                    for chunk in response.iter_content(chunk_size=1024):
                        if chunk:  # filter out keep-alive new chunks
                            lf.write(chunk)
                    self.thumbnail.save(file_name, File(lf), save=False)
                lf.close()

            super(Gallery, self).save(force_update=True)