request a praw reddit oauth authcode and refresh token

refreshToken.py

#!/usr/bin/env python3
import sys
import http.server
from urllib.parse import urlparse
import praw
import time

"""
https://github.com/reddit/reddit/wiki/API
http://praw.readthedocs.io/en/latest/getting_started/authentication.html

    to get a refresh_token
    - create an app at reddit https://www.reddit.com/prefs/apps/
    - create a praw.ini:
[bot]
client_id=clientIdFromPrefsApps
client_secret=clientSecretFromPrefsApps
user_agent=praw:yourbotname:1.0 (by /u/yourusername)

    - python refreshToken.py
    - copy refreshToken and update praw.ini
"""

redirect_is_local = True
redirect_uri = 'http://127.0.0.1:65010/authorize_callback'
r = praw.Reddit('bot', redirect_uri=redirect_uri)
oauthState = str(int(time.time()))

url = r.auth.url(('submit', 'privatemessages', 'read', 'identity'),
        oauthState, 'permanent')
print("copy, call url and confirm, copy code from redirected url")
print(url)
if redirect_is_local:
    import webbrowser
    webbrowser.open(url)

# start local http server for callback, prints refreshToken
if redirect_is_local:
    class CallbackHandler(http.server.BaseHTTPRequestHandler):
        def do_GET(self):
            query = urlparse(self.path).query
            queryParts = dict(qc.split("=") for qc in query.split("&"))
            if oauthState != queryParts['state']:
                print('wrong state')
                self.wfile.write(bytes('wrong state', "utf8"))
                return
            code = queryParts['code']
            refreshToken = r.auth.authorize(code)
            text = "authCode:" + code + '\nrefreshToken:' + refreshToken
            print(text)
            self.wfile.write(bytes(text, "utf8"))

    server = http.server.HTTPServer(("127.0.0.1", 65010), CallbackHandler)
    server.timeout = None
    server.handle_request()
    server.server_close()