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alexa_guard.py
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alexa_guard.py
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# -*- coding: utf-8 -*-
# This is a simple Hello World Alexa Skill, built using
# the implementation of handler classes approach in skill builder.
import logging
from ask_sdk_core.skill_builder import SkillBuilder
from ask_sdk_core.dispatch_components import AbstractRequestHandler
from ask_sdk_core.dispatch_components import AbstractExceptionHandler
from ask_sdk_core.utils import is_request_type, is_intent_name
from ask_sdk_core.handler_input import HandlerInput
from ask_sdk_model.ui import SimpleCard
from ask_sdk_model import Response
sb = SkillBuilder()
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
class LaunchRequestHandler(AbstractRequestHandler):
"""Handler for Skill Launch."""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return is_request_type("LaunchRequest")(handler_input)
def handle(self, handler_input):
# type: (HandlerInput) -> Response
speech_text = "Welcome to the Alexa Skills Kit, you can say hello!"
handler_input.response_builder.speak(speech_text).set_card(
SimpleCard("Hello World", speech_text)).set_should_end_session(
False)
return handler_input.response_builder.response
class HelloWorldIntentHandler(AbstractRequestHandler):
"""Handler for Hello World Intent."""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return is_intent_name("HelloWorldIntent")(handler_input)
def handle(self, handler_input):
# type: (HandlerInput) -> Response
speech_text = "Hello Python World from Classes!"
handler_input.response_builder.speak(speech_text).set_card(
SimpleCard("Hello World", speech_text)).set_should_end_session(
True)
return handler_input.response_builder.response
class HelpIntentHandler(AbstractRequestHandler):
"""Handler for Help Intent."""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return is_intent_name("AMAZON.HelpIntent")(handler_input)
def handle(self, handler_input):
# type: (HandlerInput) -> Response
speech_text = "You can say hello to me!"
handler_input.response_builder.speak(speech_text).ask(
speech_text).set_card(SimpleCard(
"Hello World", speech_text))
return handler_input.response_builder.response
class CancelOrStopIntentHandler(AbstractRequestHandler):
"""Single handler for Cancel and Stop Intent."""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return (is_intent_name("AMAZON.CancelIntent")(handler_input) or
is_intent_name("AMAZON.StopIntent")(handler_input))
def handle(self, handler_input):
# type: (HandlerInput) -> Response
speech_text = "Goodbye!"
handler_input.response_builder.speak(speech_text).set_card(
SimpleCard("Hello World", speech_text))
return handler_input.response_builder.response
class FallbackIntentHandler(AbstractRequestHandler):
"""
This handler will not be triggered except in supported locales,
so it is safe to deploy on any locale.
"""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return is_intent_name("AMAZON.FallbackIntent")(handler_input)
def handle(self, handler_input):
# type: (HandlerInput) -> Response
speech_text = (
"The Hello World skill can't help you with that. "
"You can say hello!!")
reprompt = "You can say hello!!"
handler_input.response_builder.speak(speech_text).ask(reprompt)
return handler_input.response_builder.response
class SessionEndedRequestHandler(AbstractRequestHandler):
"""Handler for Session End."""
def can_handle(self, handler_input):
# type: (HandlerInput) -> bool
return is_request_type("SessionEndedRequest")(handler_input)
def handle(self, handler_input):
# type: (HandlerInput) -> Response
return handler_input.response_builder.response
class CatchAllExceptionHandler(AbstractExceptionHandler):
"""Catch all exception handler, log exception and
respond with custom message.
"""
def can_handle(self, handler_input, exception):
# type: (HandlerInput, Exception) -> bool
return True
def handle(self, handler_input, exception):
# type: (HandlerInput, Exception) -> Response
logger.error(exception, exc_info=True)
speech = "Sorry, there was some problem. Please try again!!"
handler_input.response_builder.speak(speech).ask(speech)
return handler_input.response_builder.response
sb.add_request_handler(LaunchRequestHandler())
sb.add_request_handler(HelloWorldIntentHandler())
sb.add_request_handler(HelpIntentHandler())
sb.add_request_handler(CancelOrStopIntentHandler())
sb.add_request_handler(FallbackIntentHandler())
sb.add_request_handler(SessionEndedRequestHandler())
sb.add_exception_handler(CatchAllExceptionHandler())
handler = sb.lambda_handler()