def setTimestamp(self,val=None):
        if not val: val=time.strftime('%Y%m%dT%H:%M:%S', time.gmtime())
        self.timestamp=val
        self.setTag('x',{'stamp':self.timestamp},namespace=NS_DELAY)
Set the timestamp. timestamp should be the yyyymmddThhmmss string.
dataset/ETHPy150Open CouchPotato/CouchPotatoServer/libs/xmpp/protocol.py/Protocol.setTimestamp