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actions.py
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actions.py
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"""
The actions module: Runs custom actions.
These classes are run during the inference by the Rasa Custom Actions after
running Action Server. These classes and it`s method are the core actions that
Charlotte executes as per request.
See https://github.com/xames3/charlotte for complete documentation.
"""
# History:
#
# < Checkout my github repo for history and latest stable build >
#
# 1.1.0 - Reworked `ActionGreetUser` and replaced all weather related classes
# with `ActionWeatherEvent`.
# Added internal checks to measuree if the conditions are meeting or
# not. For e.g: is_charlotte_greeted, is_charlotte_online, etc.
# 1.0.4 - Replaced the exception handling from previous build with if-else
# conditions.
# 1.0.3 - Added exception handling support when no internet is detected in
# weather functions.
# 1.0.2 - Slots for music_file in `ActionPlayMusic`, `ActionPlayNextMusic`
# and `ActionPlayPreviousMusic` are set, previously were kept None.
# 1.0.0 - First code.
from random import choice
from rasa_sdk import Action
from rasa_sdk.events import SlotSet
from charlotte.utils.actions.music import (play_music_using_metadata,
play_next_track,
play_previous_track,
reply_on_playing)
from charlotte.utils.actions.person import (greet_user,
locate)
from charlotte.utils.actions.weather import weather_event
from charlotte.utils.assists.phrases import (errors,
greetings_protocol,
weather_protocol)
from charlotte.utils.assists.system import check_internet
class ActionGreetUser(Action):
"""Greets user."""
def name(self) -> str:
return 'action_greet_user'
def run(self, dispatcher, tracker, domain) -> list:
try:
is_charlotte_greeted = tracker.get_slot('is_charlotte_greeted')
if is_charlotte_greeted is None:
response, time, hour, minutes = greet_user()
dispatcher.utter_message(response)
return [SlotSet('current_time', time),
SlotSet('current_hour', hour),
SlotSet('current_minutes', minutes),
SlotSet('is_charlotte_greeted', True)]
else:
response = choice(greetings_protocol['yes_boss'])
dispatcher.utter_message(response)
except Exception as error:
dispatcher.utter_message(error['unknown'])
return [SlotSet('current_time', None),
SlotSet('current_hour', None),
SlotSet('current_minutes', None),
SlotSet('is_charlotte_greeted', False)]
class ActionWeatherEvent(Action):
"""Returns weather details."""
def name(self) -> str:
return 'action_weather_event'
def run(self, dispatcher, tracker, domain) -> list:
try:
query_city = tracker.get_slot('query_city')
query_hours = tracker.get_slot('query_hours')
query_minutes = tracker.get_slot('query_minutes')
units_imperial = tracker.get_slot('units_imperial')
is_weather_checked = tracker.get_slot('is_weather_checked')
is_charlotte_online = tracker.get_slot('is_charlotte_online')
if units_imperial is not False:
units_imperial = True
else:
units_imperial = False
if is_charlotte_online is False:
_retry = True
_retrying = choice(weather_protocol['retrying'])
dispatcher.utter_message(_retrying)
else:
_retry = False
if check_internet():
current_city = locate('city')
if query_city is None:
query_city = current_city
_query_resp, _query_cond = weather_event(city=query_city,
hours=query_hours,
minutes=query_minutes,
imperial=units_imperial)
if not is_weather_checked:
_working_on_it = choice(weather_protocol['working_on_it'])
_saying_okay = choice(weather_protocol['saying_okay'])
_choice_resp = choice([_working_on_it, _saying_okay])
dispatcher.utter_message(_choice_resp)
dispatcher.utter_message(_query_resp)
return [SlotSet('query_city', query_city),
SlotSet('query_hours', query_hours),
SlotSet('query_minutes', query_minutes),
SlotSet('current_city', current_city),
SlotSet('query_weather_cond', _query_cond),
SlotSet('is_charlotte_online', True),
SlotSet('is_weather_checked', True),
SlotSet('units_imperial', units_imperial)]
else:
if _retry:
_still_no_internet = choice(
weather_protocol['still_no_internet'])
dispatcher.utter_message(_still_no_internet)
else:
_no_internet = choice(weather_protocol['no_internet'])
dispatcher.utter_message(_no_internet)
return [SlotSet('query_city', None),
SlotSet('query_hours', None),
SlotSet('query_minutes', None),
SlotSet('current_city', None),
SlotSet('query_weather_cond', None),
SlotSet('is_charlotte_online', False),
SlotSet('is_weather_checked', False),
SlotSet('units_imperial', False)]
except Exception as error:
dispatcher.utter_message(error['unknown'])
return [SlotSet('query_city', None),
SlotSet('query_hours', None),
SlotSet('query_minutes', None),
SlotSet('current_city', None),
SlotSet('query_weather_cond', None),
SlotSet('is_charlotte_online', False),
SlotSet('is_weather_checked', False),
SlotSet('units_imperial', False)]
class ActionPlayMusic(Action):
"""Plays music."""
def name(self) -> str:
return 'action_play_music'
def run(self, dispatcher, tracker, domain) -> list:
music_file = tracker.get_slot('music_file')
track_name = tracker.get_slot('track_name')
track_artist = tracker.get_slot('track_artist')
track_albumartist = tracker.get_slot('track_albumartist')
track_composer = tracker.get_slot('track_composer')
track_album = tracker.get_slot('track_album')
track_genre = tracker.get_slot('track_genre')
track_duration = tracker.get_slot('track_duration')
track_year = tracker.get_slot('track_year')
track_filesize = tracker.get_slot('track_filesize')
playing_file, previous_track, next_track = play_music_using_metadata(
music_file,
track_name,
track_artist,
track_albumartist,
track_composer,
track_album,
track_genre,
track_duration,
track_year,
track_filesize)
dispatcher.utter_message(reply_on_playing(playing_file[0],
playing_file[1],
playing_file[2]))
return [SlotSet('music_file', playing_file[0]),
SlotSet('track_name', None),
SlotSet('track_artist', None),
SlotSet('track_albumartist', None),
SlotSet('track_composer', None),
SlotSet('track_album', None),
SlotSet('track_genre', None),
SlotSet('track_duration', None),
SlotSet('track_year', None),
SlotSet('track_filesize', None),
SlotSet('previous_track', previous_track),
SlotSet('next_track', next_track)]
class ActionPlayPreviousMusic(Action):
"""Plays previous track."""
def name(self) -> str:
return 'action_play_previous_music'
def run(self, dispatcher, tracker, domain) -> list:
previous_music_file = tracker.get_slot('previous_track')
playing_file, previous_track, next_track = play_previous_track(
previous_track=previous_music_file)
dispatcher.utter_message(reply_on_playing(playing_file[0],
playing_file[1],
playing_file[2]))
return [SlotSet('music_file', playing_file[0]),
SlotSet('track_name', None),
SlotSet('track_artist', None),
SlotSet('track_albumartist', None),
SlotSet('track_composer', None),
SlotSet('track_album', None),
SlotSet('track_genre', None),
SlotSet('track_duration', None),
SlotSet('track_year', None),
SlotSet('track_filesize', None),
SlotSet('previous_track', previous_track),
SlotSet('next_track', next_track)]
class ActionPlayNextMusic(Action):
"""Plays next track."""
def name(self) -> str:
return 'action_play_next_music'
def run(self, dispatcher, tracker, domain) -> list:
next_music_file = tracker.get_slot('next_track')
playing_file, previous_track, next_track = play_next_track(
next_track=next_music_file)
dispatcher.utter_message(reply_on_playing(playing_file[0],
playing_file[1],
playing_file[2]))
return [SlotSet('music_file', playing_file[0]),
SlotSet('track_name', None),
SlotSet('track_artist', None),
SlotSet('track_albumartist', None),
SlotSet('track_composer', None),
SlotSet('track_album', None),
SlotSet('track_genre', None),
SlotSet('track_duration', None),
SlotSet('track_year', None),
SlotSet('track_filesize', None),
SlotSet('previous_track', previous_track),
SlotSet('next_track', next_track)]