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import click
@click.group()
@click.version_option()
def cli():
"""Naval Fate.
This is the docopt example adopted to Click but with some actual
commands implemented and not just the empty parsing which really
is not all that interesting.
"""
@cli.group()
def ship():
"""Manages ships."""
@ship.command('new')
@click.argument('name')
def ship_new(name):
"""Creates a new ship."""
click.echo('Created ship %s' % name)
@ship.command('move')
@click.argument('ship')
@click.argument('x', type=float)
@click.argument('y', type=float)
@click.option('--speed', metavar='KN', default=10,
help='Speed in knots.')
def ship_move(ship, x, y, speed):
"""Moves SHIP to the new location X,Y."""
click.echo('Moving ship %s to %s,%s with speed %s' % (ship, x, y, speed))
@ship.command('shoot')
@click.argument('ship')
@click.argument('x', type=float)
@click.argument('y', type=float)
def ship_shoot(ship, x, y):
"""Makes SHIP fire to X,Y."""
click.echo('Ship %s fires to %s,%s' % (ship, x, y))
@cli.group('mine')
def mine(ship):
"""Manages mines."""
@mine.command('set')
@click.argument('x', type=float)
@click.argument('y', type=float)
@click.option('ty', '--moored', flag_value='moored',
default=True,
help='Moored (anchored) mine. Default.')
@click.option('ty', '--drifting', flag_value='drifting',
help='Drifting mine.')
def mine_set(x, y, ty):
"""Sets a mine at a specific coordinate."""
click.echo('Set %s mine at %s,%s' % (ty, x, y))
@mine.command('remove')
@click.argument('x', type=float)
@click.argument('y', type=float)
def mine_remove(x, y):
"""Removes a mine at a specific coordinate."""
click.echo('Removed mine at %s,%s' % (x, y))
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