def _run_command(self, input: pb.BackendInput) -> pb.BackendOutput:
input_bytes = input.SerializeToString()
output_bytes = self._backend.command(input_bytes)
output = pb.BackendOutput()
output.ParseFromString(output_bytes)
kind = output.WhichOneof("value")
if kind == "error":
raise BackendException(output.error)
else:
return output
def _run_command(self,
input: pb.BackendInput,
release_gil: bool = False) -> pb.BackendOutput:
input_bytes = input.SerializeToString()
output_bytes = self._backend.command(input_bytes, release_gil)
output = pb.BackendOutput()
output.ParseFromString(output_bytes)
kind = output.WhichOneof("value")
if kind == "error":
raise proto_exception_to_native(output.error)
else:
return output
def run_command(self, input: pb.BackendInput) -> pb.BackendOutput:
kind = input.WhichOneof("value")
handler = getattr(self, kind, None)
# run the equivalent of the following, based on available method names
# if kind == "deck_tree":
# return pb.BackendOutput(deck_tree=self.deck_tree(input.deck_tree))
if handler is not None:
input_variant = getattr(input, kind)
output_variant = handler(input_variant)
output_args: Dict[str, Any] = {kind: output_variant}
output = pb.BackendOutput(**output_args)
return output
else:
# forward any unknown commands onto the Rust backend
return self.col.backend._run_command(input)
