/usr/lib/python2.7/dist-packages/geometry_msgs/msg/_Polygon.py is in python-geometry-msgs 1.12.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""autogenerated by genpy from geometry_msgs/Polygon.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct
import geometry_msgs.msg
class Polygon(genpy.Message):
_md5sum = "cd60a26494a087f577976f0329fa120e"
_type = "geometry_msgs/Polygon"
_has_header = False #flag to mark the presence of a Header object
_full_text = """#A specification of a polygon where the first and last points are assumed to be connected
Point32[] points
================================================================================
MSG: geometry_msgs/Point32
# This contains the position of a point in free space(with 32 bits of precision).
# It is recommeded to use Point wherever possible instead of Point32.
#
# This recommendation is to promote interoperability.
#
# This message is designed to take up less space when sending
# lots of points at once, as in the case of a PointCloud.
float32 x
float32 y
float32 z"""
__slots__ = ['points']
_slot_types = ['geometry_msgs/Point32[]']
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:
points
: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(Polygon, self).__init__(*args, **kwds)
#message fields cannot be None, assign default values for those that are
if self.points is None:
self.points = []
else:
self.points = []
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.points)
buff.write(_struct_I.pack(length))
for val1 in self.points:
_x = val1
buff.write(_get_struct_3f().pack(_x.x, _x.y, _x.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)))))
def deserialize(self, str):
"""
unpack serialized message in str into this message instance
:param str: byte array of serialized message, ``str``
"""
try:
if self.points is None:
self.points = None
end = 0
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
self.points = []
for i in range(0, length):
val1 = geometry_msgs.msg.Point32()
_x = val1
start = end
end += 12
(_x.x, _x.y, _x.z,) = _get_struct_3f().unpack(str[start:end])
self.points.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.points)
buff.write(_struct_I.pack(length))
for val1 in self.points:
_x = val1
buff.write(_get_struct_3f().pack(_x.x, _x.y, _x.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)))))
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.points is None:
self.points = None
end = 0
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
self.points = []
for i in range(0, length):
val1 = geometry_msgs.msg.Point32()
_x = val1
start = end
end += 12
(_x.x, _x.y, _x.z,) = _get_struct_3f().unpack(str[start:end])
self.points.append(val1)
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_3f = None
def _get_struct_3f():
global _struct_3f
if _struct_3f is None:
_struct_3f = struct.Struct("<3f")
return _struct_3f
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