Function _prepareconfig

src/_pytest/config/__init__.py:387–416

(
    args: list[str] | os.PathLike[str],
    plugins: Sequence[str | _PluggyPlugin] | None = None,
    *,
    prog: str | None = None,
)

def _prepareconfig(
    args: list[str] | os.PathLike[str],
    plugins: Sequence[str | _PluggyPlugin] | None = None,
    *,
    prog: str | None = None,
) -> Config:
    if isinstance(args, os.PathLike):
        args = [os.fspath(args)]
    elif not isinstance(args, list):
        msg = (  # type:ignore[unreachable]
            "`args` parameter expected to be a list of strings, got: {!r} (type: {})"
        )
        raise TypeError(msg.format(args, type(args)))

    initial_config = get_config(args, plugins, prog=prog)
    pluginmanager = initial_config.pluginmanager
    try:
        if plugins:
            for plugin in plugins:
                if isinstance(plugin, str):
                    pluginmanager.consider_pluginarg(plugin)
                else:
                    pluginmanager.register(plugin)
        config: Config = pluginmanager.hook.pytest_cmdline_parse(
            pluginmanager=pluginmanager, args=args
        )
        return config
    except BaseException:
        initial_config._ensure_unconfigure()
        raise


def _get_directory(path: pathlib.Path) -> pathlib.Path: