def yaml(self):
        return yaml.dump(self.serialized, default_flow_style=False,
                         encoding=None)
def limitStrLessThen128Char(self, strStr=None):
        if len(strStr) > 128:
            logging.info("limit str less then 128 char")
            return strStr[:127] + u"_"
        else:
            return strStr