async def log_message(self,
message: UserMessage,
should_save_tracker: bool = True
) -> Optional[DialogueStateTracker]:
"""Log `message` on tracker belonging to the message's conversation_id.
Optionally save the tracker if `should_save_tracker` is `True`. Tracker saving
can be skipped if the tracker returned by this method is used for further
processing and saved at a later stage.
"""
# preprocess message if necessary
if self.message_preprocessor is not None:
message.text = self.message_preprocessor(message.text)
# we have a Tracker instance for each user
# which maintains conversation state
tracker = self._get_tracker(message.sender_id)
if tracker:
await self._handle_message_with_tracker(message, tracker)
if should_save_tracker:
# save tracker state to continue conversation from this state
self._save_tracker(tracker)
else:
logger.warning("Failed to retrieve or create tracker for sender "
f"'{message.sender_id}'.")
return tracker
async def input_compute(self, message: UserMessage):
logger.info("Middleware TextCleaner received message from {}".format(
message.sender_id))
message.text = self.clean_message(message.text)
await self.next(message)
async def append_message(self, user_message: UserMessage):
async with self.mutex:
if self.accepting is False:
raise HandlerClosedException()
user_message.text = self.clean_ponctuation(user_message.text)
self.messages.append(user_message)
self.__reset_timer()
async def log_message(
self, message: UserMessage) -> Optional[DialogueStateTracker]:
# preprocess message if necessary
if self.message_preprocessor is not None:
message.text = self.message_preprocessor(message.text)
# we have a Tracker instance for each user
# which maintains conversation state
tracker = self._get_tracker(message.sender_id)
if tracker:
await self._handle_message_with_tracker(message, tracker)
# save tracker state to continue conversation from this state
self._save_tracker(tracker)
else:
logger.warning("Failed to retrieve or create tracker for sender "
"'{}'.".format(message.sender_id))
return tracker
