util.py 文件源码

def convert_unicode_to_str(data):
        """
        Py2, always translate to utf8 from unicode
        Py3, always translate to unicode
        :param data:
        :return:
        """
        if six.PY2 and isinstance(data, six.text_type):
            return data.encode('utf8')
        elif six.PY3 and isinstance(data, six.binary_type):
            return data.decode('utf8')
        elif isinstance(data, collections.Mapping):
            return dict((Util.convert_unicode_to_str(k), Util.convert_unicode_to_str(v))
                        for k, v in six.iteritems(data))
        elif isinstance(data, collections.Iterable) and not isinstance(data, (six.binary_type, six.string_types)):
            return type(data)(map(Util.convert_unicode_to_str, data))

        return data