docs: def get_app_logger_color(appname, app_log_level=logging.INFO, log_level=logging.WARN, logfile=None):
      """ Configure the logging for an app using reliure (it log's both the app and reliure lib)
  
      :param appname: the name of the application to log
      :parap app_log_level: log level for the app
      :param log_level: log level for the reliure
      :param logfile: file that store the log, time rotating file (by day), no if None
      """
      # create lib handler
      stderr_handler = logging.StreamHandler()
      stderr_handler.setLevel(log_level)
      # create formatter and add it to the handlers
      name = "reliure"
      name += "_"*(max(0, len(appname)-len(name)))
      formatter = ColorFormatter('$BG-BLUE$WHITE%s$RESET:%%(asctime)s:$COLOR%%(levelname)s$RESET:$BOLD%%(name)s$RESET: %%(message)s' % name)
      stderr_handler.setFormatter(formatter)
      # get the logers it self
      logger = logging.getLogger("reliure")
      logger.setLevel(logging.DEBUG)
      # add the handlers to the loggers
      logger.addHandler(stderr_handler)
      
      # create app handler
      app_stderr_handler = logging.StreamHandler()
      app_stderr_handler.setLevel(app_log_level)
      # create formatter and add it to the handlers
      app_formatter = ColorFormatter("$BG-CYAN$WHITE%s$RESET:%%(asctime)s:$COLOR%%(levelname)s$RESET:$BOLD%%(name)s$RESET: %%(message)s" % appname.upper())
      app_stderr_handler.setFormatter(app_formatter)
      # get the logers it self
      app_logger = logging.getLogger(appname)
      app_logger.setLevel(logging.DEBUG)
      # add the handlers to the loggers
      app_logger.addHandler(app_stderr_handler)
  
      if logfile is not None:
          file_format = '%(asctime)s:%(levelname)s:%(name)s: %(message)s'
          from logging.handlers import TimedRotatingFileHandler
          file_handler = TimedRotatingFileHandler(logfile, when="D", interval=1, backupCount=7)
          file_handler.setFormatter(logging.Formatter(file_format))
          # add the handlers to the loggers
          logger.addHandler(file_handler)
          # add the handlers to the loggers
          app_logger.addHandler(file_handler)
      return app_logger