Clean up Alexa.intent and DialogFlow.intent (#11492)
* Clean up Alexa.intent * Restructure dialogflow too * Lint * Lintpull/11437/merge
Paulus Schoutsen
Pascal Vizeli
parent
c613585100
commit
5c2cecde70
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@ -9,15 +9,16 @@ import asyncio
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import enum
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import logging
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.core import callback
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from homeassistant.const import HTTP_BAD_REQUEST
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from homeassistant.helpers import intent
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from homeassistant.components import http
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from homeassistant.util.decorator import Registry
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from .const import DOMAIN, SYN_RESOLUTION_MATCH
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INTENTS_API_ENDPOINT = '/api/alexa'
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HANDLERS = Registry()
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_LOGGER = logging.getLogger(__name__)
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@ -47,6 +48,10 @@ def async_setup(hass):
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hass.http.register_view(AlexaIntentsView)
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class UnknownRequest(HomeAssistantError):
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"""When an unknown Alexa request is passed in."""
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class AlexaIntentsView(http.HomeAssistantView):
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"""Handle Alexa requests."""
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@ -57,57 +62,98 @@ class AlexaIntentsView(http.HomeAssistantView):
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def post(self, request):
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"""Handle Alexa."""
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hass = request.app['hass']
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data = yield from request.json()
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message = yield from request.json()
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_LOGGER.debug('Received Alexa request: %s', data)
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_LOGGER.debug('Received Alexa request: %s', message)
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req = data.get('request')
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try:
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response = yield from async_handle_message(hass, message)
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return b'' if response is None else self.json(response)
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except UnknownRequest as err:
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_LOGGER.warning(str(err))
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return self.json(intent_error_response(
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hass, message, str(err)))
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if req is None:
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_LOGGER.error('Received invalid data from Alexa: %s', data)
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return self.json_message('Expected request value not received',
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HTTP_BAD_REQUEST)
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except intent.UnknownIntent as err:
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_LOGGER.warning(str(err))
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return self.json(intent_error_response(
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hass, message,
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"This intent is not yet configured within Home Assistant."))
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except intent.InvalidSlotInfo as err:
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_LOGGER.error('Received invalid slot data from Alexa: %s', err)
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return self.json(intent_error_response(
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hass, message,
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"Invalid slot information received for this intent."))
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except intent.IntentError as err:
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_LOGGER.exception(str(err))
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return self.json(intent_error_response(
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hass, message, "Error handling intent."))
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def intent_error_response(hass, message, error):
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"""Return an Alexa response that will speak the error message."""
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alexa_intent_info = message.get('request').get('intent')
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alexa_response = AlexaResponse(hass, alexa_intent_info)
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alexa_response.add_speech(SpeechType.plaintext, error)
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return alexa_response.as_dict()
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@asyncio.coroutine
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def async_handle_message(hass, message):
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"""Handle an Alexa intent.
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Raises:
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- UnknownRequest
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- intent.UnknownIntent
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- intent.InvalidSlotInfo
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- intent.IntentError
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"""
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req = message.get('request')
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req_type = req['type']
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if req_type == 'SessionEndedRequest':
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handler = HANDLERS.get(req_type)
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if not handler:
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raise UnknownRequest('Received unknown request {}'.format(req_type))
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return (yield from handler(hass, message))
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@HANDLERS.register('SessionEndedRequest')
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@asyncio.coroutine
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def async_handle_session_end(hass, message):
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"""Handle a session end request."""
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return None
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@HANDLERS.register('IntentRequest')
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@HANDLERS.register('LaunchRequest')
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@asyncio.coroutine
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def async_handle_intent(hass, message):
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"""Handle an intent request.
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Raises:
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- intent.UnknownIntent
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- intent.InvalidSlotInfo
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- intent.IntentError
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"""
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req = message.get('request')
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alexa_intent_info = req.get('intent')
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alexa_response = AlexaResponse(hass, alexa_intent_info)
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if req_type != 'IntentRequest' and req_type != 'LaunchRequest':
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_LOGGER.warning('Received unsupported request: %s', req_type)
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return self.json_message(
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'Received unsupported request: {}'.format(req_type),
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HTTP_BAD_REQUEST)
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if req_type == 'LaunchRequest':
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intent_name = data.get('session', {}) \
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if req['type'] == 'LaunchRequest':
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intent_name = message.get('session', {}) \
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.get('application', {}) \
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.get('applicationId')
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else:
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intent_name = alexa_intent_info['name']
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try:
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intent_response = yield from intent.async_handle(
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hass, DOMAIN, intent_name,
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{key: {'value': value} for key, value
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in alexa_response.variables.items()})
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except intent.UnknownIntent as err:
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_LOGGER.warning('Received unknown intent %s', intent_name)
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alexa_response.add_speech(
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SpeechType.plaintext,
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"This intent is not yet configured within Home Assistant.")
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return self.json(alexa_response)
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except intent.InvalidSlotInfo as err:
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_LOGGER.error('Received invalid slot data from Alexa: %s', err)
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return self.json_message('Invalid slot data received',
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HTTP_BAD_REQUEST)
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except intent.IntentError:
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_LOGGER.exception('Error handling request for %s', intent_name)
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return self.json_message('Error handling intent', HTTP_BAD_REQUEST)
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for intent_speech, alexa_speech in SPEECH_MAPPINGS.items():
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if intent_speech in intent_response.speech:
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@ -121,7 +167,7 @@ class AlexaIntentsView(http.HomeAssistantView):
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CardType.simple, intent_response.card['simple']['title'],
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intent_response.card['simple']['content'])
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return self.json(alexa_response)
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return alexa_response.as_dict()
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def resolve_slot_synonyms(key, request):
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@ -9,7 +9,7 @@ import logging
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import voluptuous as vol
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from homeassistant.const import HTTP_BAD_REQUEST
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import intent, template
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from homeassistant.components.http import HomeAssistantView
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@ -33,6 +33,10 @@ CONFIG_SCHEMA = vol.Schema({
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}, extra=vol.ALLOW_EXTRA)
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class DialogFlowError(HomeAssistantError):
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"""Raised when a DialogFlow error happens."""
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@asyncio.coroutine
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def async_setup(hass, config):
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"""Set up Dialogflow component."""
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@ -51,57 +55,71 @@ class DialogflowIntentsView(HomeAssistantView):
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def post(self, request):
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"""Handle Dialogflow."""
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hass = request.app['hass']
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data = yield from request.json()
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message = yield from request.json()
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_LOGGER.debug("Received Dialogflow request: %s", data)
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_LOGGER.debug("Received Dialogflow request: %s", message)
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req = data.get('result')
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try:
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response = yield from async_handle_message(hass, message)
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return b'' if response is None else self.json(response)
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if req is None:
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_LOGGER.error("Received invalid data from Dialogflow: %s", data)
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return self.json_message(
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"Expected result value not received", HTTP_BAD_REQUEST)
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except DialogFlowError as err:
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_LOGGER.warning(str(err))
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return self.json(dialogflow_error_response(
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hass, message, str(err)))
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except intent.UnknownIntent as err:
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_LOGGER.warning(str(err))
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return self.json(dialogflow_error_response(
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hass, message,
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"This intent is not yet configured within Home Assistant."))
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except intent.InvalidSlotInfo as err:
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_LOGGER.warning(str(err))
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return self.json(dialogflow_error_response(
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hass, message,
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"Invalid slot information received for this intent."))
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except intent.IntentError as err:
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_LOGGER.warning(str(err))
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return self.json(dialogflow_error_response(
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hass, message, "Error handling intent."))
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def dialogflow_error_response(hass, message, error):
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"""Return a response saying the error message."""
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dialogflow_response = DialogflowResponse(message['result']['parameters'])
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dialogflow_response.add_speech(error)
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return dialogflow_response.as_dict()
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@asyncio.coroutine
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def async_handle_message(hass, message):
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"""Handle a DialogFlow message."""
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req = message.get('result')
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action_incomplete = req['actionIncomplete']
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if action_incomplete:
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return None
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action = req.get('action')
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action = req.get('action', '')
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parameters = req.get('parameters')
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dialogflow_response = DialogflowResponse(parameters)
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if action == "":
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_LOGGER.warning("Received intent with empty action")
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dialogflow_response.add_speech(
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raise DialogFlowError(
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"You have not defined an action in your Dialogflow intent.")
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return self.json(dialogflow_response)
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try:
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intent_response = yield from intent.async_handle(
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hass, DOMAIN, action,
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{key: {'value': value} for key, value
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in parameters.items()})
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except intent.UnknownIntent as err:
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_LOGGER.warning("Received unknown intent %s", action)
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dialogflow_response.add_speech(
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"This intent is not yet configured within Home Assistant.")
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return self.json(dialogflow_response)
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except intent.InvalidSlotInfo as err:
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_LOGGER.error("Received invalid slot data: %s", err)
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return self.json_message('Invalid slot data received',
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HTTP_BAD_REQUEST)
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except intent.IntentError:
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_LOGGER.exception("Error handling request for %s", action)
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return self.json_message('Error handling intent', HTTP_BAD_REQUEST)
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if 'plain' in intent_response.speech:
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dialogflow_response.add_speech(
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intent_response.speech['plain']['speech'])
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return self.json(dialogflow_response)
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return dialogflow_response.as_dict()
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class DialogflowResponse(object):
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@ -41,7 +41,7 @@ def async_handle(hass, platform, intent_type, slots=None, text_input=None):
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handler = hass.data.get(DATA_KEY, {}).get(intent_type)
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if handler is None:
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raise UnknownIntent()
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raise UnknownIntent('Unknown intent {}'.format(intent_type))
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intent = Intent(hass, platform, intent_type, slots or {}, text_input)
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@ -50,9 +50,11 @@ def async_handle(hass, platform, intent_type, slots=None, text_input=None):
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result = yield from handler.async_handle(intent)
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return result
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except vol.Invalid as err:
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raise InvalidSlotInfo from err
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raise InvalidSlotInfo(
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'Received invalid slot info for {}'.format(intent_type)) from err
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except Exception as err:
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raise IntentHandleError from err
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raise IntentHandleError(
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'Error handling {}'.format(intent_type)) from err
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class IntentError(HomeAssistantError):
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