reddit_python_news.py

# =========================================================
# Author:
#     Rodolfo Ferro Pérez
#     ferro(at)cimat(dot)mx
#
# Alexa skill to gather Python news from Reddit
# =========================================================

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

# Set global variables
name = 'Rodolfo'

log = logging.getLogger()
log.addHandler(logging.StreamHandler())
log.setLevel(logging.DEBUG)
logging.getLogger("flask_ask").setLevel(logging.DEBUG)


# Create Flask, Ask apps
app = Flask(__name__)  # Standard Flask app
ask = Ask(app, "/reddit_python")  # App endpoint


# App route
@app.route("/")
def homepage():
    return "Hey there {}! Flask is running with no problems!".format(name)


# Alexa initial message (starting app...)
@ask.launch
def start_skill():
    welcome_msg = "Hi! Would you like to hear any Python toppics on Redit?"
    return question(welcome_msg)


# If answer is yes
@ask.intent("YesIntent")
def share_headlines():
    pyheadlines = reddit_python_headlines()
    msg = "The current Python headlines on Redit are: {}.".format(pyheadlines)
    return statement(msg)


# If answer is no
@ask.intent("NoIntent")
def no_intent():
    bye_text = "Okay, good bye."
    return statement(bye_text)


# End session
@ask.session_ended
def session_ended():
    log.debug("Session ended.")
    return "", 200


# Consume Reddit API
def reddit_python_headlines():

    # Consume Reddit's API to gather info
    url = "https://www.reddit.com/r/Python/.json?limit=10"
    headers = {'User-Agent': 'Python Reddit headlines with Alexa'}
    html = requests.get(url, headers=headers)
    print(html.status_code)

    info = json.loads(html.content.decode('utf-8'))
    # pprint(info)
    child = info['data']['children']
    titles = [unidecode.unidecode(elem['data']['title']) for elem in child]
    titles = "... ".join([title for title in titles])

    return titles


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