Add connection breakage.

infra/libs/buildbot/master.py

 # Copyright 2015 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.
 
 """Get information about a buildbot master and manipulate it."""
 
 
 import errno
 import os
 import json
@@ skipping 123 matching lines @@
   if port is not None:
     try:
       res = requests.get(
           'http://localhost:%d/json/accepting_builds' % port,
           timeout=timeout)
       if res.status_code == 200:
         try:
           return res.json().get('accepting_builds')
         except simplejson.scanner.JSONDecodeError:
           pass
     except requests.exceptions.Timeout:

[M-A Ruel, 2015/04/29 17:25:07]

except (requests.exceptions.ConnectionError, requests.exceptions.Timeout):

[ghost stip (do not use), 2015/04/29 20:48:59]

Done.

       pass
+    except requests.exceptions.ConnectionError:
+      pass
   return None
 
 
 ######## Performing actions on the master.
 
 
 GclientSync, MakeStop, MakeWait, MakeStart, MakeNoNewBuilds = range(5)
 
 
 def convert_action_items_to_cli(
@@ skipping 21 matching lines @@
     elif action_item == MakeStop:
       yield cmd_dict(['make', 'stop'], 'make')
     elif action_item == MakeWait:
       yield cmd_dict(['make', 'wait'], 'make')
     elif action_item == MakeStart:
       yield cmd_dict(['make', 'start'], 'make')
     elif action_item == MakeNoNewBuilds:
       yield cmd_dict(['make', 'no-new-builds'], 'make')
     else:
       raise ValueError('Invalid action item %s' % action_item)