base.py 文件源码

def convert_into_with_meta(self, item, resp):
        if isinstance(item, six.string_types):
            if six.PY2 and isinstance(item, six.text_type):
                return UnicodeWithMeta(item, resp)
            else:
                return StrWithMeta(item, resp)
        elif isinstance(item, six.binary_type):
            return BytesWithMeta(item, resp)
        elif isinstance(item, list):
            return ListWithMeta(item, resp)
        elif isinstance(item, tuple):
            return TupleWithMeta(item, resp)
        elif item is None:
            return TupleWithMeta((), resp)
        else:
            return DictWithMeta(item, resp)