basehttp.py 文件源码

def file_path(self, url):
        """
        Returns the path to the media file on disk for the given URL.

        The passed URL is assumed to begin with ADMIN_MEDIA_PREFIX.  If the
        resultant file path is outside the media directory, then a ValueError
        is raised.
        """
        # Remove ADMIN_MEDIA_PREFIX.
        relative_url = url[len(self.media_url):]
        relative_path = urllib.url2pathname(relative_url)
        return safe_join(self.media_dir, relative_path)