Alexa Skill AWS Lambda function for a talking fish

lambda.py

from __future__ import print_function
import urllib
import urllib2

octoblu_trigger = "https://triggers.octoblu.com/v2/flows/01234567-89ab-cdef-0123-4567890abcdef/triggers/01234567-89ab-cdef-0123-4567890abcdef"

# --------------- Helpers that build all of the responses ----------------------
def build_speechlet_response(output):
    return {
        'outputSpeech': {
            'type': 'PlainText',
            'text': output
        }
    }


def build_response(session_attributes, speechlet_response):
    return {
        'version': '1.0',
        'sessionAttributes': session_attributes,
        'response': speechlet_response
    }

# --------------- Events ------------------
def on_intent(intent_request, session):
    """ Called when the user specifies an intent for this skill """

    print("on_intent requestId=" + intent_request['requestId'] +
          ", sessionId=" + session['sessionId'])

    intent = intent_request['intent']
    intent_name = intent_request['intent']['name']

    # Dispatch to your skill's intent handlers
    if intent_name == "BillySay":
        session_attributes = {}
        speech_output = None
        if ('Saying' in intent['slots']) and ('value' in intent['slots']['Saying']):
            obmsg = {"debug":intent}
            obmsg["text"] = intent['slots']['Saying']['value']
            url = octoblu_trigger
            data = urllib.urlencode(obmsg)
            req = urllib2.Request(url, data)
            response = urllib2.urlopen(req)
            the_page = response.read()
        else:
            speech_output = "I don't know what to say"
        return build_response(session_attributes, build_speechlet_response(speech_output))
    else:
        raise ValueError("Invalid intent")


def on_session_ended(session_ended_request, session):
    """ Called when the user ends the session.

    Is not called when the skill returns should_end_session=true
    """
    print("on_session_ended requestId=" + session_ended_request['requestId'] +
          ", sessionId=" + session['sessionId'])
    # add cleanup logic here


# --------------- Main handler ------------------

def lambda_handler(event, context):
    """ Route the incoming request based on type (LaunchRequest, IntentRequest,
    etc.) The JSON body of the request is provided in the event parameter.
    """
    print("event.session.application.applicationId=" +
          event['session']['application']['applicationId'])

    """
    Uncomment this if statement and populate with your skill's application ID to
    prevent someone else from configuring a skill that sends requests to this
    function.
    """
    if (event['session']['application']['applicationId'] !=
        "amzn1.ask.skill.01234567-89ab-cdef-0123-4567890abcdef"):
        raise ValueError("Invalid Application ID")

    if event['request']['type'] == "IntentRequest":
        return on_intent(event['request'], event['session'])