base_nodes.py 文件源码

def _attribute_match_query(self, attribute_names, query):
        """
        Take a list/tuple of attributes that can match and a query, return True
        if any of the attributes match the query.
        """
        assert isinstance(attribute_names, (list, tuple))

        if isinstance(query, string_instance) and query.startswith("re:"):
            query = re.compile(query[3:])

        for attribute in attribute_names:
            if callable(query):
                if query(attribute):
                    return True

            elif isinstance(query, string_instance) and query.startswith("g:"):
                if fnmatch(attribute, query[2:]):
                    return True

            elif isinstance(query, re._pattern_type):
                if query.match(attribute):
                    return True

            elif isinstance(query, (list, tuple)):
                if attribute in query:
                    return True
            else:
                if attribute == query:
                    return True

        return False