Function pytest_collection

src/_pytest/warnings.py:94–99

(session: Session)

@pytest.hookimpl(wrapper=True, tryfirst=True)
def pytest_collection(session: Session) -> Generator[None, object, object]:
    config = session.config
    with catch_warnings_for_item(
        config=config, ihook=config.hook, when="collect", item=None
    ):
        return (yield)


@pytest.hookimpl(wrapper=True)