click is a Python package for creating beautiful command line interfaces

click is a Python package for creating beautiful command line interfaces in a composable way with as little amount of code as necessary. It’s the “Command Line Interface Creation Kit”.

import click

@click.command()
@click.option('--count', default=1, help='number of greetings')
@click.option('--name', prompt='Your name',
              help='the person to greet', required=True)
def hello(count, name):
    for x in range(count):
        print('Hello %s!' % name)

if __name__ == '__main__':
    hello()

python click_test.py --help
Usage: click_test.py [OPTIONS] NAME

Options:
  --count=COUNT  number of greetings
  --help         Show this message and exit.