alexa

Alexa skill tutorials

https://insomnia.rest/download/

ec2-putty

$ mkdir build
$ cd build
$ mkdir -p python/lib/python3.7/site-packages/  
$ pip3 install requests -t build/python/lib/python3.7/site-packages/
$ cd build
$ zip -r pack.zip .
$ aws s3 cp pack.zip s3://pushdown99-gcamp-request

bucket obejct url: https://s3-us-west-2.amazonaws.com/pushdown99-gcamp-request/pack.zip add layer from S3 bucket

import json
import requests

def lambda_handler(event, context):
    # TODO implement
    r = requests.get("http://1.215.130.221:10011/")
    return {
        'statusCode': 200,
        'body': json.dumps('Hello from Lambda!')
    }

putty

Rest?

Flask

$ pip install flask
from flask import Flask
app = Flask(__name__)
 
@app.route("/")
def hello():
    return "Hello World!"
 
if __name__ == "__main__":
    app.run()

Raspberry Pi Installation

$ sudo pip3 install virtualenv
$ virtualenv work
$ cd work
$ source bin/activate
(work) $ pip3 install requests

Python Code

import requests

r = requests.get("http://1.215.130.221:10011/")
print(r)

alexa avs https://github.com/alexa/avs-device-sdk

alexa lambda example https://medium.com/@jasonrigden/how-to-make-an-alexa-skill-with-python-cb8a6a6c4d85

Getting Started

http://openweathermap.org

$ vi gpio_test.py
import RPi.GPIO as GPIO

GPIO.setmode(GPIO.BCM) #broadcom
leds = [17, 27, 22, 10]
GPIO.setup(leds, GPIO.OUT)
GPIO.output(17, GPIO.HIGH)

alexa intent callback, switch implementation

def get_food_response(intenet):
    print("food")

def get_game_response(intenet):
    print("game")

def alexa_intent_callback(arg):
    functions = {
        "food": get_food_response,
        "game": get_game_response
    }
    return  functions.get(arg, None)

(alexa_intent_callback("food"))(None)
class OpenWeatherMap() :
	def __init__(self, city) :
		self.city = city
		self.api_key = ''
		self.api = "http://api.openweathermap.org/data/2.5/weather?units=metric&q={city}&APPID={key}"
		self.url = self.api.format(city = self.city, key = self.api_key)
		
	def get_weather(self) :
		response = requests.get(self.url)
		data = response.json()
		return data
		
	def get_temp(self, data) :
		temp = data['main']['temp']
		return temp
		
	def get_humi(self, data) :
		humi = data['main']['humidity']
		return humi
from flask import Flask
import RPi.GPIO as GPIO

GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)

leds = [17, 27, 22, 10]
GPIO.setup(leds, GPIO.OUT)

app = Flask(__name__)

@app.route("/", methods = ["GET"])
def hello_world():
    return "Hello, World!"

@app.route("/", methods = ["POST"])
def led_control()():
    raw_input = request.get_date().decode()
    led_state = raw_input.split("=")
    if led_state[1].find("on") != -1:
        if led_state[1].find("all") != -1:
            GPIO.output(leds, GPIO.HIGH)
        else:
            GPIO.output(17, GPIO.HIGH)
    else:
        if led_state[1].find("all") != -1:
            GPIO.output(leds, GPIO.LOW)
        else:
            GPIO.output(17, GPIO.LOW)
    return "a"

if __name__ == "__main__":
    app.run(host="0.0.0.0", post=10011)
def get_rpi_response(intent):
    led_state = intent["slots"]["onoff"].get("value", "off")
    r. requests.post("http://1.215.130.221:10011", data = {"led": led_state})

https://support.typora.io/Draw-Diagrams-With-Markdown/​

Alice->Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->Alice: I am good thanks!

Alexa Skill kit

Jekyll directory structure

  • https://jekyllrb.com/docs/structure/

Heroku

"""
This is a Python template for Alexa to get you building skills (conversations) quickly.
"""

from __future__ import print_function


# ——————— Helpers that build all of the responses ———————————

def build_speechlet_response(title, output, reprompt_text, should_end_session):
    return {
        'outputSpeech': {
            'type': 'PlainText',
            'text': output
        },
        'card': {
            'type': 'Simple',
            'title': "SessionSpeechlet - " + title,
            'content': "SessionSpeechlet - " + output
        },
        'reprompt': {
            'outputSpeech': {
                'type': 'PlainText',
                'text': reprompt_text
            }
        },
        'shouldEndSession': should_end_session
    }

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


# ——————— Functions that control the skill's behavior —————————
def get_test_response():
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    session_attributes = {}
    card_title = "Test"
    speech_output = "This is my camp"
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

def get_food_response(intent):
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    food_name = intent['slots']['food_name']['value']
    session_attributes = {}
    card_title = "Test"
    speech_output = "You like the " + food_name
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

def get_game_response(intent):
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    game_name = intent['slots']['game_name']['value']
    session_attributes = {}
    card_title = "Test"
    speech_output = "You plyed " + game_name + "?"
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))



def get_welcome_response():
    """ If we wanted to initialize the session to have some attributes we could
    add those here
    """
    session_attributes = {}
    card_title = "Welcome"
    speech_output = "Welcome to your custom alexa application!"
    # If the user either does not reply to the welcome message or says something
    # that is not understood, they will be prompted again with this text.
    reprompt_text = "I don't know if you heard me, welcome to your custom alexa application!"
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))


def handle_session_end_request():
    card_title = "Session Ended"
    speech_output = "Thank you for trying the Alexa Skills Kit sample. " \
                    "Have a nice day! "
    # Setting this to true ends the session and exits the skill.
    should_end_session = True
    return build_response({}, build_speechlet_response(
        card_title, speech_output, None, should_end_session))

# ——————— Events —————————

def on_session_started(session_started_request, session):
    """ Called when the session starts.
        One possible use of this function is to initialize specific 
        variables from a previous state stored in an external database
    """
    # Add additional code here as needed
    pass

    

def on_launch(launch_request, session):
    """ Called when the user launches the skill without specifying what they
    want
    """
    # Dispatch to your skill's launch message
    return get_welcome_response()


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

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

    # Dispatch to your skill's intent handlers
    if intent_name == "test":
        return get_test_response()
    elif intent_name == "food" :
        return get_food_response(intent)
    elif intent_name == "game" :
        return get_game_response(intent)
    elif intent_name == "AMAZON.HelpIntent":
        return get_welcome_response()
    elif intent_name == "AMAZON.CancelIntent" or intent_name == "AMAZON.StopIntent":
        return handle_session_end_request()
    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("Incoming request…")

    """
    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.echo-sdk-ams.app.[unique-value-here]"):
    #     raise ValueError("Invalid Application ID")

    if event['session']['new']:
        on_session_started({'requestId': event['request']['requestId']},
                           event['session'])

    if event['request']['type'] == "LaunchRequest":
        return on_launch(event['request'], event['session'])
    elif event['request']['type'] == "IntentRequest":
        return on_intent(event['request'], event['session'])
    elif event['request']['type'] == "SessionEndedRequest":
        return on_session_ended(event['request'], event['session'])

Arduino Board Discovery (Golang)


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