Prints errors on http protocol

trychange.py

 #!/usr/bin/python
 # Copyright (c) 2009 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.
 """Client-side script to send a try job to the try server. It communicates to
 the try server by either writting to a svn repository or by directly connecting
 to the server by HTTP.
 """
 
 import datetime
@@ skipping 204 matching lines @@
     connection = urllib.urlopen(url, urllib.urlencode(values), proxies=proxies)
   except IOError, e:
     if (values.get('bot') and len(e.args) > 2 and
         e.args[2] == 'got a bad status line'):
       raise NoTryServerAccess('%s is unaccessible. Bad --bot argument?' % url)
     else:
       raise NoTryServerAccess('%s is unaccessible. Reason: %s' % (url,
                                                                   str(e.args)))
   if not connection:
     raise NoTryServerAccess('%s is unaccessible.' % url)
-  if connection.read() != 'OK':
-    raise NoTryServerAccess('%s is unaccessible.' % url)
+  response = connection.read()
+  if response != 'OK':
+    raise NoTryServerAccess('%s is unaccessible. Got:\n%s' % (url, response))
 
 
 def _SendChangeSVN(options):
   """Send a change to the try server by committing a diff file on a subversion
   server."""
   if not options.svn_repo:
     raise NoTryServerAccess('Please use the --svn_repo option to specify the'
                             ' try server svn repository to connect to.')
 
   values = _ParseSendChangeOptions(options)
@@ skipping 249 matching lines @@
         print('Note: use --name NAME to change the try job name.')
     if not options.email:
       print('Warning: TRYBOT_RESULTS_EMAIL_ADDRESS is not set. Try server '
             'results might\ngo to: %s@google.com.\n' % options.user)
     else:
       print('Results will be emailed to: ' + options.email)
 
     # Send the patch.
     options.send_patch(options)
     if not options.dry_run:
-      print 'Patch \'%s\' sent to try server: %s' % (options.name,
-                                                     ', '.join(options.bot))
+      text = 'Patch \'%s\' sent to try server' % options.name
+      if options.bot:
+        text += ': %s' % ', '.join(options.bot)
+      print(text)
   except (InvalidScript, NoTryServerAccess), e:
     if swallow_exception:
       return 1
     print e
     return 1
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(TryChange(None, [], False))