Get a bearer/OAuth2 token for Meetup application-only requests in Python3

get-oauth2-token-meetup-api

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2015-2019 Bitergia
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
#     Valerio Cosentino <valcos@bitergia.com>
#

import json
import requests

OAUTH_AUTHORIZE_URL = "https://secure.meetup.com/oauth2/authorize?client_id={}&redirect_uri={}&response_type=code"
OAUTH2_TOKEN_URL = 'https://secure.meetup.com/oauth2/access?client_id={}&client_secret={}&redirect_uri={}&code={}&grant_type=authorization_code'


def get_token_info(client_id, client_secret, redirect_uri, code):
    access_uri = OAUTH2_TOKEN_URL.format(client_id, client_secret, redirect_uri.strip("\""), code)
    headers = {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Accept': 'application/json'
    }
    r = requests.post(access_uri, headers=headers)
    r_json = r.json()

    return r_json


def main():
    """This script assists the user to generate an OAuth2 token to access the
    meetup API. It requires the package requests.
    An example of execution is provided below:

    Enter your consumer key: 5eeqs...
    Redirect URI (between quotes): "https://example.com/test"
    https://secure.meetup.com/oauth2/authorize?client_id=5eeqs4f5h...&redirect_uri=https://example.com/test&response_type=code
    Access the URL below, authorize the application, and get the code that appears on the URL
    Enter the code: d33fd...
    Enter your consumer secret: 1o39i...
    ***** token *****
    {
        "access_token": "67bd7...",
        "expires_in": 3600,
        "refresh_token": "c6e13...",
        "token_type": "bearer"
    }
    """
    consumer_key = input('Enter your consumer key: ')
    redirect_uri = input('Redirect URI (between quotes): ')
    url = OAUTH_AUTHORIZE_URL.format(consumer_key, redirect_uri.strip("\""))
    print(url)
    print("Access the URL below, authorize the application, and get the code that appears on the URL")

    code = input('Enter the code: ')
    consumer_secret = input('Enter your consumer secret: ')
    info = get_token_info(consumer_key, consumer_secret, redirect_uri, code)

    print("***** token *****")
    print(json.dumps(info, sort_keys=True, indent=4))


if __name__ == "__main__":
    main()