file.py 文件源码

def _last_modification(self):
        """
        Return the modification time of the file storing the session's content.
        """
        modification = os.stat(self._key_to_file()).st_mtime
        if settings.USE_TZ:
            modification = datetime.datetime.utcfromtimestamp(modification)
            modification = modification.replace(tzinfo=timezone.utc)
        else:
            modification = datetime.datetime.fromtimestamp(modification)
        return modification