#!/usr/bin/env python3

import sys

def commandline():
    """Parse command line"""
    import argparse

    # Construct parser others can reuse
    parser = {}
    # Main subcommand parser
    parser['main'] = argparse.ArgumentParser(description='test')
       
    parser['main'].add_argument('-V', '--version',
        help='Show version', action='version',
        version='%(prog)s ' + " 0.1")
    parser['sub'] = parser['main'].add_subparsers(title="Commands")

    # Banner
    parser['banner'] = parser['sub'].add_parser('banner')
    parser['banner'].set_defaults(func=banner)

    args = parser['main'].parse_args(sys.argv[1:])

    args.func(args)

def banner():
    pass

if __name__ == "__main__":
    commandline()