@cli.command('help')
@click.argument("command", default="")
@click.pass_context
def help(context, command):
    if command:
        cmd = cli.commands.get(command, None)
        if cmd:
            context.info_name = command
            click.echo(cmd.get_help(context))
        else:
            raise click.ClickException('no command: %s' % command)
    else:
        click.echo(cli.get_help(context))
Get command help
dataset/ETHPy150Open planetlabs/planet-client-python/planet/scripts/__init__.py/help