Fixed reauthentication issue

rietveld.py

 # coding: utf-8
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 """Defines class Rietveld to easily access a rietveld instance.
 
 Security implications:
 
 The following hypothesis are made:
 - Rietveld enforces:
@@ skipping 12 matching lines @@
 import urllib
 import urllib2
 import urlparse
 
 import patch
 
 from third_party import upload
 import third_party.oauth2client.client as oa2client
 from third_party import httplib2
 
+# Appengine replies with 302 when authentication fails (sigh.)
+oa2client.REFRESH_STATUS_CODES.append(302)
 upload.LOGGER.setLevel(logging.WARNING)  # pylint: disable=E1103
 
 
 class Rietveld(object):
   """Accesses rietveld."""
   def __init__(self, url, email, password, extra_headers=None):
     self.url = url.rstrip('/')
     # Email and password are accessed by commit queue, keep them.
     self.email = email
     self.password = password
@@ skipping 659 matching lines @@
   def trigger_try_jobs(  # pylint:disable=R0201
       self, issue, patchset, reason, clobber, revision, builders_and_tests,
       master=None):
     logging.info('ReadOnlyRietveld: triggering try jobs %r for issue %d' %
         (builders_and_tests, issue))
 
   def trigger_distributed_try_jobs(  # pylint:disable=R0201
       self, issue, patchset, reason, clobber, revision, masters):
     logging.info('ReadOnlyRietveld: triggering try jobs %r for issue %d' %
         (masters, issue))