Function _parse_expression

src/_pytest/mark/__init__.py:256–260

(expr: str, exc_message: str)

def _parse_expression(expr: str, exc_message: str) -> Expression:
    try:
        return Expression.compile(expr)
    except ParseError as e:
        raise UsageError(f"{exc_message}: {expr}: {e}") from None


def pytest_collection_modifyitems(items: "List[Item]", config: Config) -> None: