Python rospy.wait_for_service方法代码示例

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def fk_service_client(limb = "right"):
    ns = "ExternalTools/" + limb + "/PositionKinematicsNode/FKService"
    fksvc = rospy.ServiceProxy(ns, SolvePositionFK)
    fkreq = SolvePositionFKRequest()
    joints = JointState()
    joints.name = ['right_j0', 'right_j1', 'right_j2', 'right_j3',
                   'right_j4', 'right_j5', 'right_j6']
    joints.position = [0.763331, 0.415979, -1.728629, 1.482985,
                       -1.135621, -1.674347, -0.496337]
    # Add desired pose for forward kinematics
    fkreq.configuration.append(joints)
    # Request forward kinematics from base to "right_hand" link
    fkreq.tip_names.append('right_hand')

    try:
        rospy.wait_for_service(ns, 5.0)
        resp = fksvc(fkreq)
    except (rospy.ServiceException, rospy.ROSException), e:
        rospy.logerr("Service call failed: %s" % (e,))
        return False

    # Check if result valid 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def get_endeffector_pos(self):
        fkreq = SolvePositionFKRequest()
        joints = JointState()
        joints.name = self._limb_right.joint_names()
        joints.position = [self._limb_right.joint_angle(j)
                           for j in joints.name]

        # Add desired pose for forward kinematics
        fkreq.configuration.append(joints)
        fkreq.tip_names.append('right_hand')
        try:
            rospy.wait_for_service(self.name_of_service, 5)
            resp = self.fksvc(fkreq)
        except (rospy.ServiceException, rospy.ROSException), e:
            rospy.logerr("Service call failed: %s" % (e,))
            return False 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def get_object_relative_pose(self, obj_type="SQUARE", obj_color="BLUE", ret_image=True):
        service_name = self.__services_name['object_pose_service']
        rospy.wait_for_service(service_name)

        try:
            detection_service = rospy.ServiceProxy(service_name, ObjDetection)
            response = detection_service(obj_type=obj_type, obj_color=obj_color,
                                         workspace_ratio=25. / 16, ret_image=ret_image)
            ret_status = self.__status_interpreter_obj_detection[response.status]
            if ret_status != "SUCCESSFUL":
                print "Object not detected: " + ret_status

            msg_res = response.obj_pose
            obj_type = response.obj_type
            obj_color = response.obj_color

            if ret_image:
                im_ret = extract_img_from_ros_msg(response.img)
            else:
                im_ret = None
            return ret_status, msg_res, obj_type, obj_color, im_ret

        except rospy.ServiceException, e:
            print "Service call failed: %s" % e 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def call_service(self, service_name, service_msg_type, args):
            """
            Wait for the service called service_name
            Then call the service with args

            :param service_name:
            :param service_msg_type:
            :param args: Tuple of arguments
            :raises NiryoOneException: Timeout during waiting of services
            :return: Response
            """

            # Connect to service
            try:
                rospy.wait_for_service(service_name, self.service_timeout)
            except rospy.ROSException, e:
                raise NiryoOneException(e)

            # Call service 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def __init__(self):
        rospy.wait_for_service('niryo_one/tools/ping_and_set_dxl_tool')
        rospy.wait_for_service('niryo_one/tools/open_gripper')
        rospy.wait_for_service('niryo_one/tools/close_gripper')
        rospy.wait_for_service('niryo_one/tools/pull_air_vacuum_pump')
        rospy.wait_for_service('niryo_one/tools/push_air_vacuum_pump')

        self.service_ping_dxl_tool = rospy.ServiceProxy('niryo_one/tools/ping_and_set_dxl_tool', PingDxlTool)

        self.service_open_gripper = rospy.ServiceProxy('niryo_one/tools/open_gripper', OpenGripper)
        self.service_close_gripper = rospy.ServiceProxy('niryo_one/tools/close_gripper', CloseGripper)

        self.service_pull_air_vacuum_pump = rospy.ServiceProxy('niryo_one/tools/pull_air_vacuum_pump',
                                                               PullAirVacuumPump)
        self.service_push_air_vacuum_pump = rospy.ServiceProxy('niryo_one/tools/push_air_vacuum_pump',
                                                               PushAirVacuumPump)

        self.service_setup_digital_output_tool = rospy.ServiceProxy('niryo_one/rpi/set_digital_io_mode', SetDigitalIO)
        self.service_activate_digital_output_tool = rospy.ServiceProxy('niryo_one/rpi/set_digital_io_state',
                                                                       SetDigitalIO)

        rospy.loginfo("Interface between Tools Controller and Ros Control has been started.") 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def set_dxl_leds(color):
        leds = [0, 0, 0, 8]  # gripper LED will not be used
        if color == LED_RED:
            leds = [1, 1, 1, 8]
        elif color == LED_GREEN:
            leds = [2, 2, 2, 8]
        elif color == LED_BLUE:
            leds = [4, 4, 4, 8]
        # 4 is yellow, no yellow
        elif color == LED_BLUE_GREEN:
            leds = [6, 6, 6, 8]
        elif color == LED_PURPLE:
            leds = [5, 5, 5, 8]
        elif color == LED_WHITE:
            leds = [7, 7, 7, 8]

        try:
            rospy.wait_for_service('/niryo_one/set_dxl_leds', timeout=1)
        except rospy.ROSException, e:
            rospy.logwarn("Niryo ROS control LED service is not up!") 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def execute(self, inputs, outputs, gvm):
    turtle_name = inputs["turtle_name"]
    x = inputs["x_pos"]
    y = inputs["y_pos"]
    phi = inputs["phi"]

    service = "/spawn"
    rospy.wait_for_service(service)
    spawn_turtle_service = rospy.ServiceProxy(service, Spawn)
    resp1 = spawn_turtle_service(x, y, phi, turtle_name)
    self.logger.info("ROS external module: executed the {} service".format(service))

    turtle_pos_subscriber = rospy.Subscriber("/" + turtle_name + "/pose", Pose, check_turtle_pose)

    r = rospy.Rate(10)
    global pose_received
    # wait until the first pose message was received
    while not pose_received:
        r.sleep()

    return 0 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def __init__(self, configs):
        self.configs = configs
        self.ROT_VEL = self.configs.BASE.MAX_ABS_TURN_SPEED
        self.LIN_VEL = self.configs.BASE.MAX_ABS_FWD_SPEED
        self.MAP_FRAME = self.configs.BASE.MAP_FRAME
        self.BASE_FRAME = self.configs.BASE.VSLAM.VSLAM_BASE_FRAME
        self.point_idx = self.configs.BASE.TRACKED_POINT

        rospy.wait_for_service(self.configs.BASE.PLAN_TOPIC, timeout=3)
        try:
            self.plan_srv = rospy.ServiceProxy(self.configs.BASE.PLAN_TOPIC, GetPlan)
        except rospy.ServiceException:
            rospy.logerr(
                "Timed out waiting for the planning service. \
                    Make sure build_map in script and \
                           use_map in roslauch are set to the same value"
            )
        self.start_state = build_pose_msg(0, 0, 0, self.BASE_FRAME)
        self.tolerance = self.configs.BASE.PLAN_TOL
        self._transform_listener = tf.TransformListener() 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def RequestDMP(u,dt,k_gain,d_gain,num_basis_functions):

    ndims = len(u[0])
    k_gains = [k_gain]*ndims
    d_gains = [d_gain]*ndims
    
    ex = DMPTraj()
    
    for i in range(len(u)):
        pt = DMPPoint()
        pt.positions = u[i] # always sends positions regardless of actual content
        ex.points.append(pt)
        ex.times.append(dt * i) # make sure times are reasonable

    rospy.wait_for_service('learn_dmp_from_demo')

    try:
        lfd = rospy.ServiceProxy('learn_dmp_from_demo', LearnDMPFromDemo)
        resp = lfd(ex, k_gains, d_gains, num_basis_functions)
    except rospy.ServiceException, e:
        print "Service call failed: %s"%e 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def __call__(self, **kwargs):
            rospy.loginfo('will call service {}'.format(self.service_name))
            from tts.srv import Polly
            rospy.wait_for_service(self.service_name)
            polly = rospy.ServiceProxy(self.service_name, Polly)
            return polly(polly_action='SynthesizeSpeech', **kwargs) 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def test_plain_text_to_wav_via_polly_node(self):
        rospy.wait_for_service('polly')
        polly = rospy.ServiceProxy('polly', Polly)

        test_text = 'Mary has a little lamb, little lamb, little lamb.'
        res = polly(polly_action='SynthesizeSpeech', text=test_text)
        self.assertIsNotNone(res)
        self.assertTrue(type(res) is PollyResponse)

        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
        self.assertEqual('audio/ogg', audio_type)
        self.assertTrue(audio_file.endswith('.ogg'))

        import subprocess
        o = subprocess.check_output(['file', audio_file], stderr=subprocess.STDOUT)
        import re
        m = re.search(r'.*Ogg data, Vorbis audi.*', o, flags=re.MULTILINE)
        self.assertIsNotNone(m) 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def test_plain_text_via_synthesizer_node(self):
        rospy.wait_for_service('synthesizer')
        speech_synthesizer = rospy.ServiceProxy('synthesizer', Synthesizer)

        text = 'Mary has a little lamb, little lamb, little lamb.'
        res = speech_synthesizer(text=text)
        self.assertIsNotNone(res)
        self.assertTrue(type(res) is SynthesizerResponse)

        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
        self.assertEqual('audio/ogg', audio_type)
        self.assertTrue(audio_file.endswith('.ogg'))

        import subprocess
        o = subprocess.check_output(['file', audio_file], stderr=subprocess.STDOUT)
        import re
        m = re.search(r'.*Ogg data, Vorbis audi.*', o, flags=re.MULTILINE)
        self.assertIsNotNone(m) 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def test_plain_text_to_mp3_via_polly_node(self):
        rospy.wait_for_service('polly')
        polly = rospy.ServiceProxy('polly', Polly)

        test_text = 'Mary has a little lamb, little lamb, little lamb.'
        res = polly(polly_action='SynthesizeSpeech', text=test_text, output_format='mp3')
        self.assertIsNotNone(res)
        self.assertTrue(type(res) is PollyResponse)

        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
        self.assertEqual('audio/mpeg', audio_type)
        self.assertTrue(audio_file.endswith('.mp3'))

        import subprocess
        o = subprocess.check_output(['file', audio_file], stderr=subprocess.STDOUT)
        import re
        m = re.search(r'.*MPEG.*layer III.*', o, flags=re.MULTILINE)
        self.assertIsNotNone(m) 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def test_simple_ssml_via_polly_node(self):
        rospy.wait_for_service('polly')
        polly = rospy.ServiceProxy('polly', Polly)

        text = '<speak>Mary has a little lamb, little lamb, little lamb.</speak>'
        res = polly(polly_action='SynthesizeSpeech', text=text, text_type='ssml')
        self.assertIsNotNone(res)
        self.assertTrue(type(res) is PollyResponse)

        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
        self.assertEqual('audio/ogg', audio_type)
        self.assertTrue(audio_file.endswith('.ogg'))

        import subprocess
        o = subprocess.check_output(['file', audio_file], stderr=subprocess.STDOUT)
        import re
        m = re.search(r'.*Ogg data, Vorbis audi.*', o, flags=re.MULTILINE)
        self.assertIsNotNone(m) 

# 需要导入模块: import rospy [as 别名]
# 或者: from rospy import wait_for_service [as 别名]
def do_synthesize(goal):
    """calls synthesizer service to do the job"""
    rospy.wait_for_service('synthesizer')
    synthesize = rospy.ServiceProxy('synthesizer', Synthesizer)
    return synthesize(goal.text, goal.metadata)