gistfile1.py

    def join(self, room):
        tjid = jid.JID(room)
        presence = domish.Element(('jabber:client', 'presence'))
        presence['to']=tjid.full()
        x = presence.addElement(('http://jabber.org/protocol/muc', 'x'))
        history = x.addElement((None, 'history'))
        history['seconds'] = '0'
        #print presence.toXml()
        self.xmlstream.send(presence)