def add_logger_args(args):
    """ Function for adding TOBIAS-wide verbosity to command-line parsers """
    args.add_argument('--verbosity', metavar='<int>', help=
        'Level of output logging (0: silent, 1: errors/warnings, 2: info, 3: stats, 4: debug, 5: spam) (default: 3)'
        , choices=[0, 1, 2, 3, 4, 5], default=3, type=int)
    return args
