Function _run_print_help

scrapy/cmdline.py:153–166

(
    parser: argparse.ArgumentParser,
    func: Callable[_P, None],
    *a: _P.args,
    **kw: _P.kwargs,
)

def _run_print_help(
    parser: argparse.ArgumentParser,
    func: Callable[_P, None],
    *a: _P.args,
    **kw: _P.kwargs,
) -> None:
    try:
        func(*a, **kw)
    except UsageError as e:
        if str(e):
            parser.error(str(e))
        if e.print_help:
            parser.print_help()
        sys.exit(2)


def execute(argv: list[str] | None = None, settings: Settings | None = None) -> None: