python post提交参数

{"ret":0, "msg":"success"}

# -*- coding: utf-8 -*-
import time
import requests,hashlib
import sys
import json
zoneid=sys.argv[1]
zones=zoneid.split(',')
now=int(time.time())
data='privatekey{0}'.format(now)
sig=hashlib.md5(data).hexdigest()
if len(zones)==1:
    js={"zones":[{"zone_id":int(zones[0]),"open_svr_time":now}]}

else:
    listzone=[{"zone_id":int(zoneid),"open_svr_time":now} for zoneid in zones]
    js={"zones":listzone}
d=requests.post('http://***.***.***/***/***?timestamp={0}&sig={1}'.format(now,sig),json=js)
if 'success' in  d.text:
   print 'succ'
   sys.exit(0)
else:
   print 'false'
   sys.exit(1)