Function pytest_configure

src/_pytest/mark/__init__.py:287–297

(config: Config)

def pytest_configure(config: Config) -> None:
    config.stash[old_mark_config_key] = MARK_GEN._config
    MARK_GEN._config = config

    empty_parameterset = config.getini(EMPTY_PARAMETERSET_OPTION)

    if empty_parameterset not in ("skip", "xfail", "fail_at_collect", None, ""):
        raise UsageError(
            f"{EMPTY_PARAMETERSET_OPTION!s} must be one of skip, xfail or fail_at_collect"
            f" but it is {empty_parameterset!r}"
        )


def pytest_unconfigure(config: Config) -> None: