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(f"Created ship {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(f"Moving ship {ship} to {x},{y} with speed {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(f"Ship {ship} fires to {x},{y}") @cli.group("mine") def mine(): """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(f"Set {ty} mine at {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(f"Removed mine at {x},{y}")