discover-apple-podcast-rss-feed

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import json

import requests
from flask import (
  Flask,
  render_template,
  request,
)
from bs4 import BeautifulSoup

app = Flask(__name__, static_folder='.', root_path='/home/runner')

APPLE_PODCAST_DOMAIN = "https://podcasts.apple.com/"

@app.route('/', methods=["GET", "POST"])
def index():
  url_input = ""
  feed_url = ""
  if request.method == 'POST':
    url_input = request.form['url']
    if url_input.startswith(APPLE_PODCAST_DOMAIN):
      feed_url = _get_feed_url(url_input)
  return render_template(
      'index.html',
      url_input=url_input,
      feed_url=feed_url
    )

def _get_feed_url(url):
  response = requests.get(url, timeout=10)
  if not response.status_code == requests.codes.ok:
    return
    
  soup = BeautifulSoup(response.text, "html.parser")
  ember_store = soup.find(id="shoebox-ember-data-store").string
  json_store = json.loads(ember_store)
  return json_store['data']['attributes']['feedUrl']

if __name__ == '__main__':
    app.run(host='0.0.0.0', port='3000')