clicktest.py

import os
import click

@click.command()
@click.option('--site-title',
              default="Notizen",
              prompt='Enter site title.')
@click.option('--user-backend',
              default="db",
              type=click.Choice(['db', 'ldap']),
              prompt='User backend?')
@click.pass_context
def setup(ctx, **kw):
    """ Start setup wizard
    """

    if kw.get('user_backend', None) == 'db':
        ctx.invoke(setup_db)

@click.command()
@click.option('--db_url',
              default='sqlite://///tmp/notizen.sql',
              prompt='Database URL?')
@click.pass_context
def setup_db(ctx, **kw):
    pass

if __name__ == '__main__':
    setup()