[android] Improve logging output.

build/android/pylib/utils/run_tests_helper.py

 # 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.
 
 """Helper functions common to native, java and python test runners."""
 
 import logging
 import os
+import time
+
+
+class CustomFormatter(logging.Formatter):
+  def __init__(self, fmt=''):

[frankf, 2013/04/06 00:20:53]

comments.

+    super(CustomFormatter, self).__init__(fmt=fmt)
+    self._creation_time = time.time()
+
+  def format(self, record):
+    msg = super(CustomFormatter, self).format(record)
+    timediff = str(int(time.time() - self._creation_time))
+    return '%s %ss  %s' % (record.levelname[0], timediff.rjust(4), msg)
 
 
 def GetExpectations(file_name):
   """Returns a list of test names in the |file_name| test expectations file."""
   if not file_name or not os.path.exists(file_name):
     return []
   return [x for x in [x.strip() for x in file(file_name).readlines()]
           if x and x[0] != '#']
 
 
 def SetLogLevel(verbose_count):
   """Sets log level as |verbose_count|."""
   log_level = logging.WARNING  # Default.
   if verbose_count == 1:
     log_level = logging.INFO
   elif verbose_count >= 2:
     log_level = logging.DEBUG
-  logging.getLogger().setLevel(log_level)
+  logger = logging.getLogger()
+  logger.setLevel(log_level)
+  ch = logging.StreamHandler()
+  ch.setFormatter(CustomFormatter())

[frankf, 2013/04/06 00:20:53]

ch -> custom_handler

+  logging.getLogger().addHandler(ch)