Parse arguments from the command line

    :param argv: list of arguments

def init_parsecmdline(argv=[]):
    """
    Parse arguments from the command line

    :param argv: list of arguments
    """
    # main argument parser
    parser = argparse.ArgumentParser(prog=PKG_NAME)

    # --version
    parser.add_argument('--version', action='version', version=version)

    # -c, --config <file_name>
    parser.add_argument("-c", "--config",
                        action="store",
                        dest="config_file", default=config.CONF_DEFAULT_FILE,
                        help="specify configuration file to use")

    # --dry-run
    parser.add_argument("-d", "--dry-run",
                        action="store_true",  dest="dry_run", default=False,
                        help="don't actually do anything")

    # --quiet
    parser.add_argument("-q", "--quiet",
                        action="store_true",  dest="log_quiet", default=False,
                        help="quiet output")

    # --ll <level>
    # logging level
    parser.add_argument("--ll", "--log-level",
                        action="store", type=int,
                        dest="log_lvl", default=log.LOG_LVL_DEFAULT,
                        help="set logging level")

    # -l, --log-file
    parser.add_argument("-l", "--log-file",
                        action="store",
                        dest="log_file", default=log.LOG_FILE_DEFAULT,
                        help="set log file")

    # Absorb the options
    options = parser.parse_args(argv)

    # Set whether we are going to perform a dry run
    global _opt
    _opt["dry_run"] = options.dry_run

    # Initiate the log level
    log.init(threshold_lvl=options.log_lvl,
             quiet_stdout=options.log_quiet, log_file=options.log_file)

    #
    # Print the splash
    #
    _splash()

    # Merge configuration with a JSON file
    config_file = os.path.abspath(options.config_file)
    log.msg("Attempting to use configuration file '{config_file}'"
            .format(config_file=config_file))
    try:
        config.set_from_file(config_file)
    except FileNotFoundError:
        raise FileNotFoundError("Configuration file '{config_file}' not found!"
                                .format(config_file=config_file))