[ Module Hierarchy | Class Hierarchy ]

Class Hierarchy

rospy.impl.statistics.ConnectionStatisticsLogger: Class that monitors lots of stuff for each connection.
rospy.transport.ProtocolHandler
rospy.impl.statistics.SubscriberStatisticsLogger: Class that monitors each subscriber.
rospy.transport.Transport
object: The most base type
- exceptions.BaseException: Common base class for all exceptions
  - exceptions.Exception: Common base class for all non-exit exceptions.
    - rospy.impl.validators.ParameterInvalid: Exception that is raised when a parameter fails validation checks
    - rospy.logger_level_service_caller.ROSConsoleException: Base exception class of rosconsole-related errors.
    - rospy.exceptions.ROSException: Base exception class for ROS clients
      - rospy.exceptions.ROSInitException: Exception for errors initializing ROS state
      - rospy.exceptions.ROSInterruptException: Exception for operations that interrupted, e.g.
        
        rospy.exceptions.ROSTimeMovedBackwardsException: Exception if time moved backwards
      - rospy.exceptions.ROSSerializationException: Exception for message serialization errors
    - rospy.exceptions.ROSInternalException: Base class for exceptions that are internal to the ROS system
      - rospy.exceptions.TransportException: Base class for transport-related exceptions
        
        rospy.exceptions.TransportInitError: Internal exception for representing exceptions that occur establishing transports
        
        rospy.exceptions.TransportTerminated: Internal class for representing broken connections
    - rospy.service.ServiceException: Exception class for service-related errors
  - exceptions.KeyboardInterrupt: Program interrupted by user.
    - rospy.exceptions.ROSInterruptException: Exception for operations that interrupted, e.g.
      - rospy.exceptions.ROSTimeMovedBackwardsException: Exception if time moved backwards
- logging.Filterer: A base class for loggers and handlers which allows them to share common code.
  - logging.Handler: Handler instances dispatch logging events to specific destinations.
    - rospy.core.NullHandler
    - rospy.impl.rosout.RosOutHandler
    - rosgraph.roslogging.RosStreamHandler
      - rospy.impl.init.RosStreamHandler
- rospy.logger_level_service_caller.LoggerLevelServiceCaller: Handles service calls for getting lists of nodes and loggers.
- rospy.core.LoggingThrottle
- rospy.msproxy.MasterProxy: Convenience wrapper for ROS master API and XML-RPC implementation.
- genpy.message.Message: Base class of Message data classes auto-generated from msg files.
  - rospy.msg.AnyMsg: Message class to use for subscribing to any topic regardless of type.
  - std_msgs.msg._Header.Header
- rospy.impl.paramserver.ParamServerCache: Cache of values on the parameter server.
- rospy.topics.Poller: select.poll/kqueue abstraction to handle socket failure detection on multiple platforms.
- rospy.impl.transport.ProtocolHandler
  - rospy.impl.tcpros_pubsub.TCPROSHandler: ROS Protocol handler for TCPROS.
- rospy.impl.tcpros_pubsub.QueuedConnection: It wraps a Transport instance and behaves like one but it queues the data written to it and relays them asynchronously to the wrapped instance.
- rospy.timer.Rate: Convenience class for sleeping in a loop at a specified rate
- rospy.impl.registration.Registration: Registration types
- rospy.impl.registration.RegistrationListener: Listener API for subscribing to changes in Publisher/Subscriber/Service declarations
  - rospy.impl.registration.RegManager: Registration manager used by Node implemenation.
- rospy.impl.registration.RegistrationListeners
- rospy.service.ServiceManager: Keeps track of currently registered services in the ROS system
- rospy.topics.SubscribeListener: Callback API to receive notifications when new subscribers connect and disconnect.
- rospy.impl.tcpros_base.TCPROSServer: ROS Protocol handler for TCPROS.
- rospy.impl.tcpros_base.TCPROSTransportProtocol: Abstraction of TCPROS connections.
  - rospy.impl.tcpros_pubsub.TCPROSPub: Publisher transport implementation for publishing topic data via peer-to-peer TCP/IP sockets.
  - rospy.impl.tcpros_service.TCPROSServiceClient: Protocol Implementation for Service clients over TCPROS
  - rospy.impl.tcpros_pubsub.TCPROSSub: Subscription transport implementation for receiving topic data via peer-to-peer TCP/IP sockets
  - rospy.impl.tcpros_service.TCPService: Protocol implementation for Services over TCPROS
- rospy.impl.tcpros_base.TCPServer: Simple server that accepts inbound TCP/IP connections and hands them off to a handler function.
- genpy.rostime.TVal: Base class of :class:`Time` and :class:`Duration` representations.
  - genpy.rostime.Duration: Duration represents the ROS 'duration' primitive, which consists of two integers: seconds and nanoseconds.
    - rospy.rostime.Duration: Duration represents the ROS 'duration' primitive type, which consists of two integers: seconds and nanoseconds.
  - genpy.rostime.Time: Time contains the ROS-wide 'time' primitive representation, which consists of two integers: seconds since epoch and nanoseconds since seconds.
    - rospy.rostime.Time: Time represents the ROS 'time' primitive type, which consists of two integers: seconds since epoch and nanoseconds since seconds.
- rospy.timer.TimerEvent: Constructor.
- rospy.topics.Topic: Base class of Publisher and Subscriber
  - rospy.topics.Publisher: Class for registering as a publisher of a ROS topic.
  - rospy.topics.Subscriber: Class for registering as a subscriber to a specified topic, where the messages are of a given type.
- rospy.impl.transport.Transport
  - rospy.impl.transport.DeadTransport
  - rospy.impl.tcpros_base.TCPROSTransport: Generic implementation of TCPROS exchange routines for both topics and services
- rosgraph.xmlrpc.XmlRpcHandler: Base handler API for handlers used with XmlRpcNode.
  - rospy.impl.masterslave.ROSHandler: Base handler for both slave and master nodes.
- rospy.service._Service: Internal-use superclass for storing service information
  - rospy.impl.tcpros_service.ServiceImpl: Implementation of ROS Service.
    - rospy.impl.tcpros_service.Service: Declare a ROS service.
  - rospy.impl.tcpros_service.ServiceProxy: Create a handle to a ROS service for invoking calls.
- threading._Verbose
  - threading.Thread: A class that represents a thread of control.
    - rospy.timer.Timer: Convenience class for calling a callback at a specified rate