关于Python的pymouse click 双击的问题

sudo pip install virtualenv

pip install virtualenv

$ . venv/bin/activate

$ venv\scripts\activate

$ deactivate

$ pip install Click

import click
@click.command()
@click.option('--count', default=1, help='Number of greetings.')
@click.option('--name', prompt='Your name',
              help='The person to greet.')
def hello(count, name):
    """Simple program that greets NAME for a total of COUNT times."""
    for x in range(count):
        click.echo('Hello %s!' % name)
if __name__ == '__main__':
    hello()

$ python hello.py --count=3
Your name: John
Hello John!
Hello John!
Hello John!

$ python hello.py --help
Usage: hello.py [OPTIONS]
  Simple program that greets NAME for a total of COUNT times.
Options:
  --count INTEGER  Number of greetings.
  --name TEXT      The person to greet.
  --help           Show this message and exit.

@click.group()
def cli():
    pass
@click.command()
def initdb():
    click.echo('Initialized the database')
@click.command()
def dropdb():
    click.echo('Dropped the database')
cli.add_command(initdb)
cli.add_command(dropdb)

@click.group()
def cli():
    pass
@cli.command()
def initdb():
    click.echo('Initialized the database')
@cli.command()
def dropdb():
    click.echo('Dropped the database')

if __name__ == '__main__':
    cli()

@click.command()
@click.option('--count', default=1, help='number of greetings')
@click.argument('name')
def hello(count, name):
    for x in range(count):
        click.echo('Hello %s!' % name)

$ python hello.py --help
Usage: hello.py [OPTIONS] NAME
Options:
  --count INTEGER  number of greetings
  --help           Show this message and exit.