def _get_message(self):
"""
Return the first message in the queue.
"""
if len(self.queue) == 0:
return
message = self.queue.pop(0) # .get()
# If this is a raw message string, convert it to a RobotMessage
# instance
if type(message) == str:
try:
m = RobotMessage()
m.from_string(message)
message = m
except exceptions.BotMessageError as err:
message = "Mangled message ({})".format(err.args[0])
self._queue_message(message, destination_device="warn")
return None
if self.verbosity > 0:
message.pretty_print()
return message
def _queue_message(self,
message="",
destination_device="controller",
destination="",
delay_time=0.0,
msg_string=None):
"""
Append to a RobotMessage instance to self._messages in a thread-safe
manner. Automatically set the source and source device. Take args
to set other attributes.
"""
if type(message) != RobotMessage:
m = RobotMessage(destination=destination,
destination_device=destination_device,
source="robot",
source_device=self.name,
delay_time=delay_time,
message=message)
# If msg_string is set to something besides None, parse that string
# and load into the RobotMessage instance.
if msg_string != None:
m.from_string(msg_string)
message = m
with self._lock:
self._messages.append(message)
def _queue_message(self, message="", destination="robot", destination_device="", delay_time=0.0, msg_string=None):
"""
Append to a RobotMessage instance to to the message queue. If message
is already a RobotMessage, pass it through without modification. If it
is a string, construct the RobotMessage, setting source to "manager".
"""
if type(message) != RobotMessage:
m = RobotMessage(
destination=destination,
destination_device=destination_device,
source="manager",
source_device="",
delay_time=delay_time,
message=message,
)
# If msg_string is set to something besides None, parse that string
# and load into the RobotMessage instance.
if msg_string != None:
m.from_string(msg_string)
message = m
if self.verbosity > 0:
message.pretty_print()
self.queue.append(message) # .put(message)
