base.py 文件源码

def search_text(self, text, language=None):
        """
        Start a text search, using text indexes.
        Require: MongoDB server version 2.6+.

        :param language:  The language that determines the list of stop words
            for the search and the rules for the stemmer and tokenizer.
            If not specified, the search uses the default language of the index.
            For supported languages, see
            `Text Search Languages <http://docs.mongodb.org/manual/reference/text-search-languages/#text-search-languages>`.
        """
        queryset = self.clone()
        if queryset._search_text:
            raise OperationError(
                'It is not possible to use search_text two times.')

        query_kwargs = SON({'$search': text})
        if language:
            query_kwargs['$language'] = language

        queryset._query_obj &= Q(__raw__={'$text': query_kwargs})
        queryset._mongo_query = None
        queryset._cursor_obj = None
        queryset._search_text = text

        return queryset