update_name.py

# -*- coding: utf-8 -*-
import tweepy
import re

CONSUMER_KEY = ''
CONSUMER_SECRET = ''
me = 'YOUR_SCREEN_NAME'

class Listener(tweepy.StreamListener):
  def on_status(self,s):
    try:
      if 'update_name' in s.text and not 'RT' in s.text:
        m = re.match(r'@%s update_name (.+)'%me,s.text)
        if m:
          api.update_profile(name=m.group(1))
          api.update_status(u'@%s %sに改名しました'%(s.author.screen_name,m.group(1)),s.id)
          print 'Updated.'
    except Exception,e:
      print >> sys.stderr, 'Exception: ', e
    finally:
      return True

if __name__ == '__main__':
  auth = tweepy.OAuthHandler(CONSUMER_KEY,CONSUMER_SECRET)
  print auth.get_authorization_url()
  verifier = raw_input('PIN: ').rstrip()
  try:
    auth.get_access_token(verifier)
    auth.set_access_token(auth.access_token.key, auth.access_token.secret)
    api = tweepy.API(auth)
    me = api.me().screen_name
  except tweepy.TweepError:
    pass
  else:
    stream = tweepy.Stream(auth, Listener())
    stream.userstream()