bro-pkg.py 文件源码

def top_level_parser():
    top_parser = argparse.ArgumentParser(
        formatter_class=argparse.RawDescriptionHelpFormatter,
        description='A command-line package manager for Bro.',
        epilog='Environment Variables:\n\n'
        '    ``BRO_PKG_CONFIG_FILE``:\t'
        'Same as ``--configfile`` option, but has less precedence.'
    )
    top_parser.add_argument('--version', action='version',
                            version='%(prog)s ' + bropkg.__version__)
    top_parser.add_argument('--configfile',
                            help='Path to Bro Package Manager config file.')
    top_parser.add_argument('--verbose', '-v', action='count', default=0,
                            help='Increase program output for debugging.'
                            ' Use multiple times for more output (e.g. -vvv).')
    return top_parser