from .bound_signal import BoundSignal
[docs]class BoundMessage:
"""A CAN data object that manipulates data through signals."""
def __init__(self, message, frame):
"""Create an object representing a message bound to a frame
Args:
message (`kvadblib.Message`): The message to be bound
frame (`Frame`): The frame containing CAN data
"""
self._message = message
self._frame = frame
@property
def _data(self):
return self._frame.data
@_data.setter
def _data(self, val):
self._frame.data = val
def __getattr__(self, attr):
signal = BoundSignal(
signal=self._message.get_signal(name=attr),
frame=self._frame,
)
return signal
def __iter__(self):
for signal in self._message:
yield BoundSignal(
signal=signal,
frame=self._frame,
)
def __str__(self):
msg_name = None
if self._message is not None:
msg_name = self._message.name
return f"Frame: message_name:{msg_name}, data:{self._data}"