/usr/lib/python2.7/dist-packages/sensor_msgs/msg/_PointField.py is in python-sensor-msgs 1.12.5-3.
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 sensor_msgs/PointField.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct
class PointField(genpy.Message):
_md5sum = "268eacb2962780ceac86cbd17e328150"
_type = "sensor_msgs/PointField"
_has_header = False #flag to mark the presence of a Header object
_full_text = """# This message holds the description of one point entry in the
# PointCloud2 message format.
uint8 INT8 = 1
uint8 UINT8 = 2
uint8 INT16 = 3
uint8 UINT16 = 4
uint8 INT32 = 5
uint8 UINT32 = 6
uint8 FLOAT32 = 7
uint8 FLOAT64 = 8
string name # Name of field
uint32 offset # Offset from start of point struct
uint8 datatype # Datatype enumeration, see above
uint32 count # How many elements in the field
"""
# Pseudo-constants
INT8 = 1
UINT8 = 2
INT16 = 3
UINT16 = 4
INT32 = 5
UINT32 = 6
FLOAT32 = 7
FLOAT64 = 8
__slots__ = ['name','offset','datatype','count']
_slot_types = ['string','uint32','uint8','uint32']
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:
name,offset,datatype,count
: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(PointField, self).__init__(*args, **kwds)
#message fields cannot be None, assign default values for those that are
if self.name is None:
self.name = ''
if self.offset is None:
self.offset = 0
if self.datatype is None:
self.datatype = 0
if self.count is None:
self.count = 0
else:
self.name = ''
self.offset = 0
self.datatype = 0
self.count = 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:
_x = self.name
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 = self
buff.write(_get_struct_IBI().pack(_x.offset, _x.datatype, _x.count))
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:
end = 0
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.name = str[start:end].decode('utf-8')
else:
self.name = str[start:end]
_x = self
start = end
end += 9
(_x.offset, _x.datatype, _x.count,) = _get_struct_IBI().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:
_x = self.name
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 = self
buff.write(_get_struct_IBI().pack(_x.offset, _x.datatype, _x.count))
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:
end = 0
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.name = str[start:end].decode('utf-8')
else:
self.name = str[start:end]
_x = self
start = end
end += 9
(_x.offset, _x.datatype, _x.count,) = _get_struct_IBI().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_IBI = None
def _get_struct_IBI():
global _struct_IBI
if _struct_IBI is None:
_struct_IBI = struct.Struct("<IBI")
return _struct_IBI
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