def _run_action(self, action, tracker, dispatcher, policy=None,
confidence=None):
# events and return values are used to update
# the tracker state after an action has been taken
try:
events = action.run(dispatcher, tracker, self.domain)
except ActionExecutionRejection:
events = [ActionExecutionRejected(action.name(),
policy, confidence)]
tracker.update(events[0])
return self.should_predict_another_action(action.name(), events)
except Exception as e:
logger.error("Encountered an exception while running action '{}'. "
"Bot will continue, but the actions events are lost. "
"Make sure to fix the exception in your custom "
"code.".format(action.name()))
logger.debug(e, exc_info=True)
events = []
self._log_action_on_tracker(tracker, action.name(), events, policy,
confidence)
self.log_bot_utterances_on_tracker(tracker, dispatcher)
self._schedule_reminders(events, dispatcher)
return self.should_predict_another_action(action.name(), events)
def _emulate_form_rejection(processor, partial_tracker):
if partial_tracker.active_form.get("name"):
for p in processor.policy_ensemble.policies:
if isinstance(p, FormPolicy):
# emulate form rejection
partial_tracker.update(
ActionExecutionRejected(
partial_tracker.active_form["name"]))
# check if unhappy path is covered by the train stories
if not p.state_is_unhappy(partial_tracker, processor.domain):
# this state is not covered by the stories
del partial_tracker.events[-1]
partial_tracker.active_form['rejected'] = False