Function _parse_expression

src/_pytest/mark/__init__.py:273–279

(expr: str, exc_message: str)

def _parse_expression(expr: str, exc_message: str) -> Expression:
    try:
        return Expression.compile(expr)
    except SyntaxError as e:
        raise UsageError(
            f"{exc_message}: {e.text}: at column {e.offset}: {e.msg}"
        ) from None


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