build/android/pylib/utils/logging_utils.py

   1 # Copyright 2014 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import contextlib
   6 import logging
   7
   8 @contextlib.contextmanager
   9 def SuppressLogging(level=logging.ERROR):
  10   """Momentarilly suppress logging events from all loggers.
  11
  12   TODO(jbudorick): This is not thread safe. Log events from other threads might
  13   also inadvertently dissapear.
  14
  15   Example:
  16
  17     with logging_utils.SuppressLogging():
  18       # all but CRITICAL logging messages are suppressed
  19       logging.info('just doing some thing') # not shown
  20       logging.critical('something really bad happened') # still shown
  21
  22   Args:
  23     level: logging events with this or lower levels are suppressed.
  24   """
  25   logging.disable(level)
  26   yield
  27   logging.disable(logging.NOTSET)