python rsync 数据同步脚本

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import pexpect
import time
import traceback

def doRsync(user,passwd,ip,srcDir,dstDir,timeout=3600):
        cmd = "rsync -azPq --delete {srcDir} {rUser}@{rHost}:{dstDir}".format(rUser = user,rHost=ip,srcDir=srcDir,dstDir=dstDir)
        try:
                ssh = pexpect.spawn(cmd,timeout=timeout)
                i = ssh.expect(['password:', 'continue connecting (yes/no)?'], timeout=5)
                if i == 0 :
                        ssh.sendline(passwd)
                elif i == 1:
                        ssh.sendline('yes')
                        ssh.expect('password: ')
                        ssh.sendline(passwd)
                ssh.expect(['#',pexpect.TIMEOUT,pexpect.EOF])
                ssh.close()
        except :
                print traceback.format_exc()
                pass
if __name__ == '__main__':
        doRsync("tpuser","12345","10.1.1.230","/data/local/backupdir/","/data/local/backupdir/")