_RangeArray.py

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

import std_msgs.msg
import sensor_msgs.msg

class RangeArray(genpy.Message):
  _md5sum = "b72db098d4ed346ce682a1d5e70d327c"
  _type = "erratic_player/RangeArray"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """sensor_msgs/Range[] ranges

================================================================================
MSG: sensor_msgs/Range
# Single range reading from an active ranger that emits energy and reports
# one range reading that is valid along an arc at the distance measured. 
# This message is  not appropriate for laser scanners. See the LaserScan
# message if you are working with a laser scanner.

# This message also can represent a fixed-distance (binary) ranger.  This
# sensor will have min_range===max_range===distance of detection.
# These sensors follow REP 117 and will output -Inf if the object is detected
# and +Inf if the object is outside of the detection range.

Header header           # timestamp in the header is the time the ranger
                        # returned the distance reading

# Radiation type enums
# If you want a value added to this list, send an email to the ros-users list
uint8 ULTRASOUND=0
uint8 INFRARED=1

uint8 radiation_type    # the type of radiation used by the sensor
                        # (sound, IR, etc) [enum]

float32 field_of_view   # the size of the arc that the distance reading is
                        # valid for [rad]
                        # the object causing the range reading may have
                        # been anywhere within -field_of_view/2 and
                        # field_of_view/2 at the measured range. 
                        # 0 angle corresponds to the x-axis of the sensor.

float32 min_range       # minimum range value [m]
float32 max_range       # maximum range value [m]
                        # Fixed distance rangers require min_range==max_range

float32 range           # range data [m]
                        # (Note: values < range_min or > range_max
                        # should be discarded)
                        # Fixed distance rangers only output -Inf or +Inf.
                        # -Inf represents a detection within fixed distance.
                        # (Detection too close to the sensor to quantify)
                        # +Inf represents no detection within the fixed distance.
                        # (Object out of range)
================================================================================
MSG: std_msgs/Header
# Standard metadata for higher-level stamped data types.
# This is generally used to communicate timestamped data 
# in a particular coordinate frame.
# 
# sequence ID: consecutively increasing ID 
uint32 seq
#Two-integer timestamp that is expressed as:
# * stamp.secs: seconds (stamp_secs) since epoch
# * stamp.nsecs: nanoseconds since stamp_secs
# time-handling sugar is provided by the client library
time stamp
#Frame this data is associated with
# 0: no frame
# 1: global frame
string frame_id

"""
  __slots__ = ['ranges']
  _slot_types = ['sensor_msgs/Range[]']

  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:
       ranges

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

  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.ranges)
      buff.write(_struct_I.pack(length))
      for val1 in self.ranges:
        _v1 = val1.header
        buff.write(_struct_I.pack(_v1.seq))
        _v2 = _v1.stamp
        _x = _v2
        buff.write(_struct_2I.pack(_x.secs, _x.nsecs))
        _x = _v1.frame_id
        length = len(_x)
        if python3 or type(_x) == unicode:
          _x = _x.encode('utf-8')
          length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = val1
        buff.write(_struct_B4f.pack(_x.radiation_type, _x.field_of_view, _x.min_range, _x.max_range, _x.range))
    except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(_x))))
    except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(_x))))

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    :param str: byte array of serialized message, ``str``
    """
    try:
      if self.ranges is None:
        self.ranges = None
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      self.ranges = []
      for i in range(0, length):
        val1 = sensor_msgs.msg.Range()
        _v3 = val1.header
        start = end
        end += 4
        (_v3.seq,) = _struct_I.unpack(str[start:end])
        _v4 = _v3.stamp
        _x = _v4
        start = end
        end += 8
        (_x.secs, _x.nsecs,) = _struct_2I.unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        if python3:
          _v3.frame_id = str[start:end].decode('utf-8')
        else:
          _v3.frame_id = str[start:end]
        _x = val1
        start = end
        end += 17
        (_x.radiation_type, _x.field_of_view, _x.min_range, _x.max_range, _x.range,) = _struct_B4f.unpack(str[start:end])
        self.ranges.append(val1)
      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.ranges)
      buff.write(_struct_I.pack(length))
      for val1 in self.ranges:
        _v5 = val1.header
        buff.write(_struct_I.pack(_v5.seq))
        _v6 = _v5.stamp
        _x = _v6
        buff.write(_struct_2I.pack(_x.secs, _x.nsecs))
        _x = _v5.frame_id
        length = len(_x)
        if python3 or type(_x) == unicode:
          _x = _x.encode('utf-8')
          length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = val1
        buff.write(_struct_B4f.pack(_x.radiation_type, _x.field_of_view, _x.min_range, _x.max_range, _x.range))
    except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(_x))))
    except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(_x))))

  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:
      if self.ranges is None:
        self.ranges = None
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      self.ranges = []
      for i in range(0, length):
        val1 = sensor_msgs.msg.Range()
        _v7 = val1.header
        start = end
        end += 4
        (_v7.seq,) = _struct_I.unpack(str[start:end])
        _v8 = _v7.stamp
        _x = _v8
        start = end
        end += 8
        (_x.secs, _x.nsecs,) = _struct_2I.unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        if python3:
          _v7.frame_id = str[start:end].decode('utf-8')
        else:
          _v7.frame_id = str[start:end]
        _x = val1
        start = end
        end += 17
        (_x.radiation_type, _x.field_of_view, _x.min_range, _x.max_range, _x.range,) = _struct_B4f.unpack(str[start:end])
        self.ranges.append(val1)
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill

_struct_I = genpy.struct_I
_struct_B4f = struct.Struct("<B4f")
_struct_2I = struct.Struct("<2I")