old_contents: import logging
  from lib import constants
  
  
  def set_default_file_handler(logger, log_path):
      formatter = logging.Formatter(constants.log.DEFAULT_FORMAT)
      fh = logging.FileHandler(filename=log_path, mode="w")
      fh.setFormatter(formatter)
      logger.addHandler(fh)
  
new_contents: # Copyright (C) 2015 Google Inc., authors, and contributors <see AUTHORS file>
  # Licensed under http://www.apache.org/licenses/LICENSE-2.0 <see LICENSE file>
  # Created By: jernej@reciprocitylabs.com
  # Maintained By: jernej@reciprocitylabs.com
  
  import logging
  from lib import constants
  
  
  def set_default_file_handler(logger, log_path, log_level=logging.DEBUG):
      """
      :type logger: logging.Logger
      :param log_path: str
      :param log_level: str
      """
      logger.setLevel(log_level)
      formatter = logging.Formatter(constants.log.DEFAULT_FORMAT)
      fh = logging.FileHandler(filename=log_path, mode="w")
      fh.setFormatter(formatter)
      logger.addHandler(fh)
  
subject: Add log helpers