Sample Launch Request and Exception Catch All handlers for an Alexa Skill.

LaunchAndExceptionSample.py

class LaunchRequestHandler(AbstractRequestHandler):
    """Handler for LaunchRequest."""
    def can_handle(self, handler_input):
        return ask_utils.is_request_type("LaunchRequest")(handler_input)

    def handle(self, handler_input):

        logging.info("Called Skill Handler for LaunchRequest Intent.")

        speak_output = "Hi there! I'm the Azure news service and I can read you the latest Azure cloud news.\r\nYou can ask for the latest news by saying <break time='0.5s'/>'latest news', or ask for the top news items from a specific date by saying <break time='0.5s'/>'top news from'<break time='0.5s'/> and then the date, making sure to include the year."

        return (
            handler_input.response_builder
                .speak(speak_output)
                .ask(speak_output)
                .response
        )

class CatchAllExceptionHandler(AbstractExceptionHandler):
    """Generic error handling to capture any syntax or routing errors. If you receive an error
    stating the request handler chain is not found, you have not implemented a handler for
    the intent being invoked or included it in the skill builder below.
    """
    def can_handle(self, handler_input, exception):
        return True

    def handle(self, handler_input, exception):
        logging.error(exception, exc_info=True)
        speak_output = "Sorry, I had trouble doing what you asked. Please try again."

        return(
            handler_input.response_builder
                .speak(speak_output)
                .ask(speak_output)
                .response
        )