callserver.py

from flask import Flask, request, send_from_directory
import urllib.parse
import logging
log = logging.getLogger('werkzeug')
log.setLevel(logging.ERROR)

app = Flask(__name__)

@app.route("/")
def hello_world():
    data = request.args.get('callback', '')
    error = request.args.get('error', '')

    if data != "":
        decoded = urllib.parse.unquote(data)
        print("Success! data: "+decoded)
    if error != "":
        decoded = urllib.parse.unquote(error)
        print("Fail! data: "+decoded)
    return "OK!"

@app.route('/<path:path>')
def send_payload(path):
    return send_from_directory("./", path)


if __name__ == '__main__':
    app.run(host="0.0.0.0", port=80, debug=False)