_StateValue.py

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"""autogenerated by genpy from esc_ros/StateValue.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct


class StateValue(genpy.Message):
  _md5sum = "a00e93aed4e5872ccb0198d9ee9c9039"
  _type = "esc_ros/StateValue"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """float32[] state
float32   value

"""
  __slots__ = ['state','value']
  _slot_types = ['float32[]','float32']

  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:
       state,value

    :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(StateValue, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.state is None:
        self.state = []
      if self.value is None:
        self.value = 0.
    else:
      self.state = []
      self.value = 0.

  def _get_types(self):
    """
    internal API method
    """
    return self._slot_types

  def serialize(self, buff):
    """
    serialize message into buffer
    :param buff: buffer, ``StringIO``
    """
    try:
      length = len(self.state)
      buff.write(_struct_I.pack(length))
      pattern = '<%sf'%length
      buff.write(struct.pack(pattern, *self.state))
      buff.write(_struct_f.pack(self.value))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    :param str: byte array of serialized message, ``str``
    """
    try:
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sf'%length
      start = end
      end += struct.calcsize(pattern)
      self.state = struct.unpack(pattern, str[start:end])
      start = end
      end += 4
      (self.value,) = _struct_f.unpack(str[start:end])
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill


  def serialize_numpy(self, buff, numpy):
    """
    serialize message with numpy array types into buffer
    :param buff: buffer, ``StringIO``
    :param numpy: numpy python module
    """
    try:
      length = len(self.state)
      buff.write(_struct_I.pack(length))
      pattern = '<%sf'%length
      buff.write(self.state.tostring())
      buff.write(_struct_f.pack(self.value))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  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
    """
    try:
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sf'%length
      start = end
      end += struct.calcsize(pattern)
      self.state = numpy.frombuffer(str[start:end], dtype=numpy.float32, count=length)
      start = end
      end += 4
      (self.value,) = _struct_f.unpack(str[start:end])
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill

_struct_I = genpy.struct_I
_struct_f = struct.Struct("<f")