twitter/oauth_dance.py

   1
   2 import webbrowser
   3 import time
   4
   5 from api import Twitter
   6 from oauth import OAuth, write_token_file
   7
   8 def oauth_dance(app_name, consumer_key, consumer_secret, token_filename=None):
   9     """
  10     Perform the OAuth dance with some command-line prompts. Return the
  11     oauth_token and oauth_token_secret.
  12
  13     Provide the name of your app in `app_name`, your consumer_key, and
  14     consumer_secret. This function will open a web browser to let the
  15     user Allow your app to access their Twitter account. PIN
  16     authentication is used.
  17
  18     If a token_filename is given, the oauth tokens will be written to
  19     the file.
  20     """
  21     print ("Hi there! We're gonna get you all set up to use %s." % app_name)
  22     twitter = Twitter(
  23         auth=OAuth('', '', consumer_key, consumer_secret),
  24         format='')
  25     oauth_token, oauth_token_secret = parse_oauth_tokens(
  26         twitter.oauth.request_token())
  27     print """
  28 In the web browser window that opens please choose to Allow
  29 access. Copy the PIN number that appears on the next page and paste or
  30 type it here:
  31 """
  32     oauth_url = ('http://api.twitter.com/oauth/authorize?oauth_token=' +
  33                  oauth_token)
  34     print "Opening: %s\n" % oauth_url
  35
  36     try:
  37         r = webbrowser.open(oauth_url)
  38         time.sleep(2) # Sometimes the last command can print some
  39                       # crap. Wait a bit so it doesn't mess up the next
  40                       # prompt.
  41         if not r:
  42             raise Exception()
  43     except:
  44         print """
  45 Uh, I couldn't open a browser on your computer. Please go here to get
  46 your PIN:
  47
  48 """ + oauth_url
  49     oauth_verifier = raw_input("Please enter the PIN: ").strip()
  50     twitter = Twitter(
  51         auth=OAuth(
  52             oauth_token, oauth_token_secret, consumer_key, consumer_secret),
  53         format='')
  54     oauth_token, oauth_token_secret = parse_oauth_tokens(
  55         twitter.oauth.access_token(oauth_verifier=oauth_verifier))
  56     if token_filename:
  57         write_token_file(
  58             token_filename, oauth_token, oauth_token_secret)
  59         print
  60         print "That's it! Your authorization keys have been written to %s." % (
  61             token_filename)
  62     return oauth_token, oauth_token_secret
  63
  64 def parse_oauth_tokens(result):
  65     for r in result.split('&'):
  66         k, v = r.split('=')
  67         if k == 'oauth_token':
  68             oauth_token = v
  69         elif k == 'oauth_token_secret':
  70             oauth_token_secret = v
  71     return oauth_token, oauth_token_secret