def query_meta(self, identifier: str) -> (int, Optional[Content]):
# check ID
identifier = self.identifier(identifier)
if identifier is None:
return 400, None # Bad Request
# get meta
meta = self.meta(identifier)
if meta is None:
return 404, None # Not Found
# OK
return 200, MetaCommand.new(identifier=identifier, meta=meta)
def query_meta(self, identifier: ID) -> bool:
cmd = MetaCommand.new(identifier=identifier)
return self.send_command(cmd=cmd)