class XASessionEvents:
    def OnLogin(self, *args):
        print "OnLogin", args

    def OnLogout(self, *args):
        print "OnLogout", args

    def OnDisconnect(self, *args):
        print "OnDisconnect", args

import win32com
import win32com.client
import pythoncom

SERVER="demo.etrade.co.kr"
PORT = 20001

USER=""
PASS=""
CERTPASSWD = ""
SERVERTYPE = 1
SHOWCERTERR = 1

XASession = win32com.client.Dispatch("XA_Session.XASession")
win32com.client.WithEvents(XASession, XASessionEvents)
XASession.ConnectServer(SERVER, PORT)
XASession.Login(USER, PASS, CERTPASSWD, SERVERTYPE, SHOWCERTERR)

while True:
    pythoncom.PumpWaitingMessages()