new_contents: ###############################################################################
  #
  # Copyright (c) 2012 Ruslan Spivak
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  #
  ###############################################################################
  
  __author__ = 'Ruslan Spivak <ruslan.spivak@gmail.com>'
  
  import time
  import logging
  
  _DEFAULT_FMT = '%(levelname)-8s [%(asctime)s] %(name)s: %(message)s'
  
  
  class Formatter(logging.Formatter):
  
      def __init__(self, fmt=None, datefmt=None):
          super(Formatter, self).__init__(fmt or _DEFAULT_FMT, datefmt)
          # A user-configurable function to convert the creation time to a tuple.
          # It's used by Format.formatTime method and default is time.localtime()
          # We set it to convert time to a struct_time in UTC
          self.converter = time.gmtime
  
      def formatException(self, exc_info):
          text = super(Formatter, self).formatException(exc_info)
          # Prepend ! mark to every line
          text = '\n'.join(('! %s' % line) for line in text.splitlines())
          return text
  
subject: Add sane log output formatter