'Refresh file data
@note: All fields are stored as attributes to self.
@return: None'

def update(self):

    multicall = rtorrentlib.rpc.Multicall(self)
    retriever_methods = [m for m in methods if (m.is_retriever() and m.is_available(self._rt_obj))]
    for method in retriever_methods:
        multicall.add(method, self.rpc_id)
    multicall.call()
