Method evaluate

src/_pytest/mark/expression.py:215–225

Evaluate the match expression. :param matcher: Given an identifier, should return whether it matches or not. Should be prepared to handle arbitrary strings as input. :returns: Whether the expression matches or not.

(self, matcher: Callable[[str], bool])

        return Expression(code)

    def evaluate(self, matcher: Callable[[str], bool]) -> bool:
        """Evaluate the match expression.

        :param matcher:
            Given an identifier, should return whether it matches or not.
            Should be prepared to handle arbitrary strings as input.

        :returns: Whether the expression matches or not.
        """
        ret: bool = eval(self.code, {"__builtins__": {}}, MatcherAdapter(matcher))
        return ret