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00001 """autogenerated by genmsg_py from PR2GripperForceServoGoal.msg. Do not edit.""" 00002 import roslib.message 00003 import struct 00004 00005 import pr2_gripper_sensor_msgs.msg 00006 00007 class PR2GripperForceServoGoal(roslib.message.Message): 00008 _md5sum = "72dfec6461d0f26a4433260fc791bc48" 00009 _type = "pr2_gripper_sensor_msgs/PR2GripperForceServoGoal" 00010 _has_header = False #flag to mark the presence of a Header object 00011 _full_text = """# ====== DO NOT MODIFY! AUTOGENERATED FROM AN ACTION DEFINITION ====== 00012 # Action to launch the gripper into force servoing mode 00013 00014 #goals 00015 PR2GripperForceServoCommand command 00016 00017 ================================================================================ 00018 MSG: pr2_gripper_sensor_msgs/PR2GripperForceServoCommand 00019 # the amount of fingertip force (in Newtons) to apply. 00020 # NOTE: the joint will squeeze until each finger reaches this level 00021 # values < 0 (opening force) are ignored 00022 # 00023 # 10 N can crack an egg or crush a soda can. 00024 # 15 N can firmly pick up a can of soup. 00025 # Experiment on your own. 00026 # 00027 float64 fingertip_force 00028 """ 00029 __slots__ = ['command'] 00030 _slot_types = ['pr2_gripper_sensor_msgs/PR2GripperForceServoCommand'] 00031 00032 def __init__(self, *args, **kwds): 00033 """ 00034 Constructor. Any message fields that are implicitly/explicitly 00035 set to None will be assigned a default value. The recommend 00036 use is keyword arguments as this is more robust to future message 00037 changes. You cannot mix in-order arguments and keyword arguments. 00038 00039 The available fields are: 00040 command 00041 00042 @param args: complete set of field values, in .msg order 00043 @param kwds: use keyword arguments corresponding to message field names 00044 to set specific fields. 00045 """ 00046 if args or kwds: 00047 super(PR2GripperForceServoGoal, self).__init__(*args, **kwds) 00048 #message fields cannot be None, assign default values for those that are 00049 if self.command is None: 00050 self.command = pr2_gripper_sensor_msgs.msg.PR2GripperForceServoCommand() 00051 else: 00052 self.command = pr2_gripper_sensor_msgs.msg.PR2GripperForceServoCommand() 00053 00054 def _get_types(self): 00055 """ 00056 internal API method 00057 """ 00058 return self._slot_types 00059 00060 def serialize(self, buff): 00061 """ 00062 serialize message into buffer 00063 @param buff: buffer 00064 @type buff: StringIO 00065 """ 00066 try: 00067 buff.write(_struct_d.pack(self.command.fingertip_force)) 00068 except struct.error as se: self._check_types(se) 00069 except TypeError as te: self._check_types(te) 00070 00071 def deserialize(self, str): 00072 """ 00073 unpack serialized message in str into this message instance 00074 @param str: byte array of serialized message 00075 @type str: str 00076 """ 00077 try: 00078 if self.command is None: 00079 self.command = pr2_gripper_sensor_msgs.msg.PR2GripperForceServoCommand() 00080 end = 0 00081 start = end 00082 end += 8 00083 (self.command.fingertip_force,) = _struct_d.unpack(str[start:end]) 00084 return self 00085 except struct.error as e: 00086 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00087 00088 00089 def serialize_numpy(self, buff, numpy): 00090 """ 00091 serialize message with numpy array types into buffer 00092 @param buff: buffer 00093 @type buff: StringIO 00094 @param numpy: numpy python module 00095 @type numpy module 00096 """ 00097 try: 00098 buff.write(_struct_d.pack(self.command.fingertip_force)) 00099 except struct.error as se: self._check_types(se) 00100 except TypeError as te: self._check_types(te) 00101 00102 def deserialize_numpy(self, str, numpy): 00103 """ 00104 unpack serialized message in str into this message instance using numpy for array types 00105 @param str: byte array of serialized message 00106 @type str: str 00107 @param numpy: numpy python module 00108 @type numpy: module 00109 """ 00110 try: 00111 if self.command is None: 00112 self.command = pr2_gripper_sensor_msgs.msg.PR2GripperForceServoCommand() 00113 end = 0 00114 start = end 00115 end += 8 00116 (self.command.fingertip_force,) = _struct_d.unpack(str[start:end]) 00117 return self 00118 except struct.error as e: 00119 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00120 00121 _struct_I = roslib.message.struct_I 00122 _struct_d = struct.Struct("<d")