queries.py 文件源码

def evaluate(self, query: MutableMapping[str, Any], context: PipelineContext = None) -> True:
        try:
            value = query[self.key]
            for type in self.types:
                if issubclass(type, Enum) and isinstance(value, str):
                    value = type(value)
                if isinstance(value, type):
                    query[self.key] = value
                    return True
            raise WrongValueTypeError("{key} must be of type {type} in query!".format(key=self.key, type=self))
        except KeyError:
            if self.child:
                self.child.evaluate(query, context)
        return True