def get_file_size(self, fid):
        """
        Gets size of uploaded file
        Or None if file doesn't exist.

        Args:
            **fid**: File identifier <volume_id>,<file_name_hash>

        Returns:
            Int or None
        """
        url = self.get_file_url(fid)
        res = self.conn.head(url)
        if res is not None:
            size = res.headers.get("content-length", None)
            if size is not None:
                return int(size)
        return None
def get_file_size ( self , fid ) : url = self . get_file_url ( fid ) res = self . conn . head ( url ) if res is not None : size = res . headers . get ( "content-length" , None ) if size is not None : return int ( size ) return None
Gets size of uploaded file
        Or None if file doesn't exist.

        Args:
            **fid**: File identifier <volume_id>,<file_name_hash>

        Returns:
            Int or None