viam.services.worldstatestore.client ==================================== .. py:module:: viam.services.worldstatestore.client Classes ------- .. autoapisummary:: viam.services.worldstatestore.client.WorldStateStoreClient Module Contents --------------- .. py:class:: WorldStateStoreClient(name: str, channel: grpclib.client.Channel) Bases: :py:obj:`viam.services.worldstatestore.worldstatestore.WorldStateStore`, :py:obj:`viam.resource.rpc_client_base.ReconfigurableResourceRPCClientBase` gRPC client for the WorldStateStore service. .. py:attribute:: client :type: viam.proto.service.worldstatestore.WorldStateStoreServiceStub .. py:attribute:: channel .. py:method:: list_uuids(*, extra: Optional[Mapping[str, Any]] = None, timeout: Optional[float] = None, **kwargs) -> List[bytes] :async: List all world state transform UUIDs. :: worldstatestore = WorldStateStoreClient.from_robot(robot=machine, name="builtin") uuids = await worldstatestore.list_uuids() :returns: A list of transform UUIDs :rtype: List[bytes] .. py:method:: get_transform(uuid: bytes, *, extra: Optional[Mapping[str, Any]] = None, timeout: Optional[float] = None, **kwargs) -> viam.proto.common.Transform :async: Get a world state transform by UUID. :: worldstatestore = WorldStateStoreClient.from_robot(robot=machine, name="builtin") transform = await worldstatestore.get_transform(uuid=b"some-uuid") :param uuid: The UUID of the transform to retrieve :type uuid: bytes :returns: The requested transform :rtype: Transform .. py:method:: stream_transform_changes(*, extra: Optional[Mapping[str, Any]] = None, timeout: Optional[float] = None, **kwargs) -> AsyncGenerator[viam.proto.service.worldstatestore.StreamTransformChangesResponse, None] :async: Stream changes to world state transforms. :: worldstatestore = WorldStateStoreClient.from_robot(robot=machine, name="builtin") async for change in worldstatestore.stream_transform_changes(): print(f"Transform {change.transform.uuid} {change.change_type}") :returns: A stream of transform changes :rtype: AsyncIterator[StreamTransformChangesResponse] .. py:method:: do_command(command: Mapping[str, viam.utils.ValueTypes], *, timeout: Optional[float] = None, **kwargs) -> Mapping[str, viam.utils.ValueTypes] :async: Send/receive arbitrary commands. :: service = SERVICE.from_robot(robot=machine, "builtin") # replace SERVICE with the appropriate class my_command = { "cmnd": "dosomething", "someparameter": 52 } # Can be used with any resource, using the motion service as an example await service.do_command(command=my_command) :param command: The command to execute :type command: Dict[str, ValueTypes] :returns: Result of the executed command :rtype: Dict[str, ValueTypes] .. py:method:: from_robot(robot: viam.robot.client.RobotClient, name: str) -> typing_extensions.Self :classmethod: Get the service named ``name`` from the provided robot. :: async def connect() -> RobotClient: # Replace "" (including brackets) with your API key and "" with your API key ID options = RobotClient.Options.with_api_key("", "") # Replace "" (included brackets) with your machine's connection URL or FQDN return await RobotClient.at_address("", options) async def main(): robot = await connect() # Can be used with any resource, using the motion service as an example motion = MotionClient.from_robot(robot=machine, name="builtin") robot.close() :param robot: The robot :type robot: RobotClient :param name: The name of the service :type name: str :returns: The service, if it exists on the robot :rtype: Self .. py:method:: get_resource_name(name: str) -> viam.proto.common.ResourceName :classmethod: Get the ResourceName for this Resource with the given name :: # Can be used with any resource, using an arm as an example my_arm_name = Arm.get_resource_name("my_arm") :param name: The name of the Resource :type name: str :returns: The ResourceName of this Resource :rtype: ResourceName .. py:method:: get_operation(kwargs: Mapping[str, Any]) -> viam.operations.Operation Get the ``Operation`` associated with the currently running function. When writing custom resources, you should get the ``Operation`` by calling this function and check to see if it's cancelled. If the ``Operation`` is cancelled, then you can perform any necessary (terminating long running tasks, cleaning up connections, etc. ). :param kwargs: The kwargs object containing the operation :type kwargs: Mapping[str, Any] :returns: The operation associated with this function :rtype: viam.operations.Operation .. py:method:: close() :async: Safely shut down the resource and prevent further use. Close must be idempotent. Later configuration may allow a resource to be "open" again. If a resource does not want or need a close function, it is assumed that the resource does not need to return errors when future non-Close methods are called. :: await component.close()