code: def _config_file():
      
      config = ConfigParser.SafeConfigParser()
      configs = []
  
      try:
          configs.append(_user_config_file())
      except Exception, e:
          juicer.utils.Log.log_debug(e)
  
      config.read(configs)
      return config
docs: combine the user config file with the system config file (if present)