Source code for geometry_msgs.msg._Twist

# This Python file uses the following encoding: utf-8
"""autogenerated by genpy from geometry_msgs/Twist.msg. Do not edit."""
import codecs
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct

import geometry_msgs.msg

[docs] class Twist(genpy.Message): _md5sum = "9f195f881246fdfa2798d1d3eebca84a" _type = "geometry_msgs/Twist" _has_header = False # flag to mark the presence of a Header object _full_text = """# This expresses velocity in free space broken into its linear and angular parts. Vector3 linear Vector3 angular ================================================================================ MSG: geometry_msgs/Vector3 # This represents a vector in free space. # It is only meant to represent a direction. Therefore, it does not # make sense to apply a translation to it (e.g., when applying a # generic rigid transformation to a Vector3, tf2 will only apply the # rotation). If you want your data to be translatable too, use the # geometry_msgs/Point message instead. float64 x float64 y float64 z""" __slots__ = ['linear','angular'] _slot_types = ['geometry_msgs/Vector3','geometry_msgs/Vector3'] def __init__(self, *args, **kwds): """ Constructor. Any message fields that are implicitly/explicitly set to None will be assigned a default value. The recommend use is keyword arguments as this is more robust to future message changes. You cannot mix in-order arguments and keyword arguments. The available fields are: linear,angular :param args: complete set of field values, in .msg order :param kwds: use keyword arguments corresponding to message field names to set specific fields. """ if args or kwds: super(Twist, self).__init__(*args, **kwds) # message fields cannot be None, assign default values for those that are if self.linear is None: self.linear = geometry_msgs.msg.Vector3() if self.angular is None: self.angular = geometry_msgs.msg.Vector3() else: self.linear = geometry_msgs.msg.Vector3() self.angular = geometry_msgs.msg.Vector3() def _get_types(self): """ internal API method """ return self._slot_types
[docs] def serialize(self, buff): """ serialize message into buffer :param buff: buffer, ``StringIO`` """ try: _x = self buff.write(_get_struct_6d().pack(_x.linear.x, _x.linear.y, _x.linear.z, _x.angular.x, _x.angular.y, _x.angular.z)) except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self))))) except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))
[docs] def deserialize(self, str): """ unpack serialized message in str into this message instance :param str: byte array of serialized message, ``str`` """ if python3: codecs.lookup_error("rosmsg").msg_type = self._type try: if self.linear is None: self.linear = geometry_msgs.msg.Vector3() if self.angular is None: self.angular = geometry_msgs.msg.Vector3() end = 0 _x = self start = end end += 48 (_x.linear.x, _x.linear.y, _x.linear.z, _x.angular.x, _x.angular.y, _x.angular.z,) = _get_struct_6d().unpack(str[start:end]) return self except struct.error as e: raise genpy.DeserializationError(e) # most likely buffer underfill
[docs] def serialize_numpy(self, buff, numpy): """ serialize message with numpy array types into buffer :param buff: buffer, ``StringIO`` :param numpy: numpy python module """ try: _x = self buff.write(_get_struct_6d().pack(_x.linear.x, _x.linear.y, _x.linear.z, _x.angular.x, _x.angular.y, _x.angular.z)) except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self))))) except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))
[docs] def deserialize_numpy(self, str, numpy): """ unpack serialized message in str into this message instance using numpy for array types :param str: byte array of serialized message, ``str`` :param numpy: numpy python module """ if python3: codecs.lookup_error("rosmsg").msg_type = self._type try: if self.linear is None: self.linear = geometry_msgs.msg.Vector3() if self.angular is None: self.angular = geometry_msgs.msg.Vector3() end = 0 _x = self start = end end += 48 (_x.linear.x, _x.linear.y, _x.linear.z, _x.angular.x, _x.angular.y, _x.angular.z,) = _get_struct_6d().unpack(str[start:end]) return self except struct.error as e: raise genpy.DeserializationError(e) # most likely buffer underfill
_struct_I = genpy.struct_I def _get_struct_I(): global _struct_I return _struct_I _struct_6d = None def _get_struct_6d(): global _struct_6d if _struct_6d is None: _struct_6d = struct.Struct("<6d") return _struct_6d