Alexa Skill: Get user location

Question

I'm trying to get the device's location using the Amazon device address API. I referred to this answer for the code: Get location from Alexa Skills Kit (ASK)

However, I get a AttributeError: 'NoneType' object has no attribute 'consentToken' when I run the code. Following is the stacktrace:

Traceback (most recent call last):
  File "C:\Python36\lib\site-packages\flask\app.py", line 1997, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\Python36\lib\site-packages\flask\app.py", line 1985, in wsgi_app
    response = self.handle_exception(e)
  File "C:\Python36\lib\site-packages\flask\app.py", line 1540, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python36\lib\site-packages\flask\_compat.py", line 33, in reraise
    raise value
  File "C:\Python36\lib\site-packages\flask\app.py", line 1982, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Python36\lib\site-packages\flask\app.py", line 1614, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\Python36\lib\site-packages\flask\app.py", line 1517, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python36\lib\site-packages\flask\_compat.py", line 33, in reraise
    raise value
  File "C:\Python36\lib\site-packages\flask\app.py", line 1612, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\Python36\lib\site-packages\flask\app.py", line 1598, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "C:\Python36\lib\site-packages\flask_ask\core.py", line 767, in _flask_view_func
    result = self._map_intent_to_view_func(self.request.intent)()
  File "C:\Python36\myfiles\redditreader.py", line 32, in share_headlines
    location = get_alexa_location()
  File "C:\Python36\myfiles\redditreader.py", line 14, in get_alexa_location
    TOKEN =  context.System.user.permissions.consentToken
AttributeError: 'NoneType' object has no attribute 'consentToken'

I am using ngrok to deploy the skill and flask-ask for development. Following is the code:

from flask import Flask
from flask_ask import Ask, statement, question, session, context
import json
import requests
import time
import unidecode

app = Flask(__name__)
ask = Ask(app, "/reddit_reader")

def get_alexa_location():
    URL =  "https://api.amazonalexa.com/v1/devices/{}/settings" \
           "/address".format(context.System.device.deviceId)
    TOKEN =  context.System.user.permissions.consentToken
    HEADER = {'Accept': 'application/json',
             'Authorization': 'Bearer {}'.format(TOKEN)}
    r = requests.get(URL, headers=HEADER)
    if r.status_code == 200:
        return(r.json())

@app.route('/')
def homepage():
    return "hi there, how ya doin?"

@ask.launch
def start_skill():
    welcome_message = 'Hello there, would you like the news?'
    return question(welcome_message)

@ask.intent("YesIntent")
def share_headlines():
    location = get_alexa_location()
    city = "Your City is {}! ".format(location["city"].encode("utf-8"))    
    address = "Your address is {}! ".format(location["addressLine1"].encode("utf-8")) 
    speech = city + address   
    return statement(speech)

@ask.intent("NoIntent")
def no_intent():
    bye_text = 'I am not sure why you asked me to run then, but okay... bye'
    return statement(bye_text)

if __name__ == '__main__':
    app.run(debug=True)

I am unable to comment on the answer to the question linked above because I don't have the requisite reputation yet. Thank you for your help!

Did you resolve this issue? I've got my code set up to dump the entire event object coming from Alexa into a database for review. There you can manually see if the consent token is being sent. — ChootsMagoots

Shriyansh Gautam Shriyansh Gautam · Accepted Answer · 2018-03-20T21:33:20

In you implementation

TOKEN =  context.System.user.permissions.consentToken

consentToken is null because you don't have permission to access address of the user.

You need to request permission from amazon developer portal (https://developer.amazon.com/edw/home.html#/skills) for user's address first.

Alexa Skill: Get user location

2 Answers