/usr/lib/python2.7/dist-packages/sensor_msgs/msg/_BatteryState.py is in python-sensor-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 sensor_msgs/BatteryState.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct
import std_msgs.msg
class BatteryState(genpy.Message):
_md5sum = "476f837fa6771f6e16e3bf4ef96f8770"
_type = "sensor_msgs/BatteryState"
_has_header = True #flag to mark the presence of a Header object
_full_text = """
# Constants are chosen to match the enums in the linux kernel
# defined in include/linux/power_supply.h as of version 3.7
# The one difference is for style reasons the constants are
# all uppercase not mixed case.
# Power supply status constants
uint8 POWER_SUPPLY_STATUS_UNKNOWN = 0
uint8 POWER_SUPPLY_STATUS_CHARGING = 1
uint8 POWER_SUPPLY_STATUS_DISCHARGING = 2
uint8 POWER_SUPPLY_STATUS_NOT_CHARGING = 3
uint8 POWER_SUPPLY_STATUS_FULL = 4
# Power supply health constants
uint8 POWER_SUPPLY_HEALTH_UNKNOWN = 0
uint8 POWER_SUPPLY_HEALTH_GOOD = 1
uint8 POWER_SUPPLY_HEALTH_OVERHEAT = 2
uint8 POWER_SUPPLY_HEALTH_DEAD = 3
uint8 POWER_SUPPLY_HEALTH_OVERVOLTAGE = 4
uint8 POWER_SUPPLY_HEALTH_UNSPEC_FAILURE = 5
uint8 POWER_SUPPLY_HEALTH_COLD = 6
uint8 POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE = 7
uint8 POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE = 8
# Power supply technology (chemistry) constants
uint8 POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0
uint8 POWER_SUPPLY_TECHNOLOGY_NIMH = 1
uint8 POWER_SUPPLY_TECHNOLOGY_LION = 2
uint8 POWER_SUPPLY_TECHNOLOGY_LIPO = 3
uint8 POWER_SUPPLY_TECHNOLOGY_LIFE = 4
uint8 POWER_SUPPLY_TECHNOLOGY_NICD = 5
uint8 POWER_SUPPLY_TECHNOLOGY_LIMN = 6
Header header
float32 voltage # Voltage in Volts (Mandatory)
float32 current # Negative when discharging (A) (If unmeasured NaN)
float32 charge # Current charge in Ah (If unmeasured NaN)
float32 capacity # Capacity in Ah (last full capacity) (If unmeasured NaN)
float32 design_capacity # Capacity in Ah (design capacity) (If unmeasured NaN)
float32 percentage # Charge percentage on 0 to 1 range (If unmeasured NaN)
uint8 power_supply_status # The charging status as reported. Values defined above
uint8 power_supply_health # The battery health metric. Values defined above
uint8 power_supply_technology # The battery chemistry. Values defined above
bool present # True if the battery is present
float32[] cell_voltage # An array of individual cell voltages for each cell in the pack
# If individual voltages unknown but number of cells known set each to NaN
string location # The location into which the battery is inserted. (slot number or plug)
string serial_number # The best approximation of the battery serial number
================================================================================
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.sec: seconds (stamp_secs) since epoch (in Python the variable is called 'secs')
# * stamp.nsec: nanoseconds since stamp_secs (in Python the variable is called 'nsecs')
# 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
"""
# Pseudo-constants
POWER_SUPPLY_STATUS_UNKNOWN = 0
POWER_SUPPLY_STATUS_CHARGING = 1
POWER_SUPPLY_STATUS_DISCHARGING = 2
POWER_SUPPLY_STATUS_NOT_CHARGING = 3
POWER_SUPPLY_STATUS_FULL = 4
POWER_SUPPLY_HEALTH_UNKNOWN = 0
POWER_SUPPLY_HEALTH_GOOD = 1
POWER_SUPPLY_HEALTH_OVERHEAT = 2
POWER_SUPPLY_HEALTH_DEAD = 3
POWER_SUPPLY_HEALTH_OVERVOLTAGE = 4
POWER_SUPPLY_HEALTH_UNSPEC_FAILURE = 5
POWER_SUPPLY_HEALTH_COLD = 6
POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE = 7
POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE = 8
POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0
POWER_SUPPLY_TECHNOLOGY_NIMH = 1
POWER_SUPPLY_TECHNOLOGY_LION = 2
POWER_SUPPLY_TECHNOLOGY_LIPO = 3
POWER_SUPPLY_TECHNOLOGY_LIFE = 4
POWER_SUPPLY_TECHNOLOGY_NICD = 5
POWER_SUPPLY_TECHNOLOGY_LIMN = 6
__slots__ = ['header','voltage','current','charge','capacity','design_capacity','percentage','power_supply_status','power_supply_health','power_supply_technology','present','cell_voltage','location','serial_number']
_slot_types = ['std_msgs/Header','float32','float32','float32','float32','float32','float32','uint8','uint8','uint8','bool','float32[]','string','string']
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:
header,voltage,current,charge,capacity,design_capacity,percentage,power_supply_status,power_supply_health,power_supply_technology,present,cell_voltage,location,serial_number
: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(BatteryState, self).__init__(*args, **kwds)
#message fields cannot be None, assign default values for those that are
if self.header is None:
self.header = std_msgs.msg.Header()
if self.voltage is None:
self.voltage = 0.
if self.current is None:
self.current = 0.
if self.charge is None:
self.charge = 0.
if self.capacity is None:
self.capacity = 0.
if self.design_capacity is None:
self.design_capacity = 0.
if self.percentage is None:
self.percentage = 0.
if self.power_supply_status is None:
self.power_supply_status = 0
if self.power_supply_health is None:
self.power_supply_health = 0
if self.power_supply_technology is None:
self.power_supply_technology = 0
if self.present is None:
self.present = False
if self.cell_voltage is None:
self.cell_voltage = []
if self.location is None:
self.location = ''
if self.serial_number is None:
self.serial_number = ''
else:
self.header = std_msgs.msg.Header()
self.voltage = 0.
self.current = 0.
self.charge = 0.
self.capacity = 0.
self.design_capacity = 0.
self.percentage = 0.
self.power_supply_status = 0
self.power_supply_health = 0
self.power_supply_technology = 0
self.present = False
self.cell_voltage = []
self.location = ''
self.serial_number = ''
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
buff.write(_get_struct_3I().pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
_x = self.header.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 = self
buff.write(_get_struct_6f4B().pack(_x.voltage, _x.current, _x.charge, _x.capacity, _x.design_capacity, _x.percentage, _x.power_supply_status, _x.power_supply_health, _x.power_supply_technology, _x.present))
length = len(self.cell_voltage)
buff.write(_struct_I.pack(length))
pattern = '<%sf'%length
buff.write(struct.pack(pattern, *self.cell_voltage))
_x = self.location
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.serial_number
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))
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.header is None:
self.header = std_msgs.msg.Header()
end = 0
_x = self
start = end
end += 12
(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _get_struct_3I().unpack(str[start:end])
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.header.frame_id = str[start:end].decode('utf-8')
else:
self.header.frame_id = str[start:end]
_x = self
start = end
end += 28
(_x.voltage, _x.current, _x.charge, _x.capacity, _x.design_capacity, _x.percentage, _x.power_supply_status, _x.power_supply_health, _x.power_supply_technology, _x.present,) = _get_struct_6f4B().unpack(str[start:end])
self.present = bool(self.present)
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
pattern = '<%sf'%length
start = end
end += struct.calcsize(pattern)
self.cell_voltage = struct.unpack(pattern, str[start:end])
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.location = str[start:end].decode('utf-8')
else:
self.location = str[start:end]
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.serial_number = str[start:end].decode('utf-8')
else:
self.serial_number = 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
buff.write(_get_struct_3I().pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
_x = self.header.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 = self
buff.write(_get_struct_6f4B().pack(_x.voltage, _x.current, _x.charge, _x.capacity, _x.design_capacity, _x.percentage, _x.power_supply_status, _x.power_supply_health, _x.power_supply_technology, _x.present))
length = len(self.cell_voltage)
buff.write(_struct_I.pack(length))
pattern = '<%sf'%length
buff.write(self.cell_voltage.tostring())
_x = self.location
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.serial_number
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))
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.header is None:
self.header = std_msgs.msg.Header()
end = 0
_x = self
start = end
end += 12
(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _get_struct_3I().unpack(str[start:end])
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.header.frame_id = str[start:end].decode('utf-8')
else:
self.header.frame_id = str[start:end]
_x = self
start = end
end += 28
(_x.voltage, _x.current, _x.charge, _x.capacity, _x.design_capacity, _x.percentage, _x.power_supply_status, _x.power_supply_health, _x.power_supply_technology, _x.present,) = _get_struct_6f4B().unpack(str[start:end])
self.present = bool(self.present)
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
pattern = '<%sf'%length
start = end
end += struct.calcsize(pattern)
self.cell_voltage = numpy.frombuffer(str[start:end], dtype=numpy.float32, count=length)
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.location = str[start:end].decode('utf-8')
else:
self.location = str[start:end]
start = end
end += 4
(length,) = _struct_I.unpack(str[start:end])
start = end
end += length
if python3:
self.serial_number = str[start:end].decode('utf-8')
else:
self.serial_number = 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_3I = None
def _get_struct_3I():
global _struct_3I
if _struct_3I is None:
_struct_3I = struct.Struct("<3I")
return _struct_3I
_struct_6f4B = None
def _get_struct_6f4B():
global _struct_6f4B
if _struct_6f4B is None:
_struct_6f4B = struct.Struct("<6f4B")
return _struct_6f4B
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