Handle the PrimeLint SSL read timeout better.

gcl.py

 #!/usr/bin/env python
 # 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.
 
 """\
 Wrapper script around Rietveld's upload.py that simplifies working with groups
 of files.
 """
 
 import json
 import optparse
 import os
 import random
 import re
+import ssl
 import string
 import sys
 import tempfile
 import time
 import urllib2
 
 import breakpad  # pylint: disable=W0611
 
 
 import fix_encoding
@@ skipping 367 matching lines @@
 
   def AddComment(self, comment):
     """Adds a comment for an issue on Rietveld.
     As a side effect, this will email everyone associated with the issue."""
     return self.RpcServer().add_comment(self.issue, comment)
 
   def PrimeLint(self):
     """Do background work on Rietveld to lint the file so that the results are
     ready when the issue is viewed."""
     if self.issue and self.patchset:
-      self.SendToRietveld('/lint/issue%s_%s' % (self.issue, self.patchset),
-          timeout=10)
+      try:
+        self.SendToRietveld('/lint/issue%s_%s' % (self.issue, self.patchset),
+            timeout=10)
+      except ssl.SSLError as e:
+        # It takes more than 10 seconds to lint some CLs. Silently ignore
+        # the expected timeout.
+        if e.message != 'The read operation timed out':
+          raise
 
   def SendToRietveld(self, request_path, timeout=None, **kwargs):
     """Send a POST/GET to Rietveld.  Returns the response body."""
     try:
       return self.RpcServer().Send(request_path, timeout=timeout, **kwargs)
     except urllib2.URLError:
       if timeout is None:
         ErrorExit('Error accessing url %s' % request_path)
       else:
         return None
@@ skipping 1062 matching lines @@
       raise
     print >> sys.stderr, (
         'AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
         'and retry or visit go/isgaeup.\n%s') % (e.code, str(e))
     return 1
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   sys.exit(main(sys.argv[1:]))