本文为大家介绍了python脚本设置系统时间的方法,一共有两种,其一是调用socket直接发送udp包到国家授时中心,其二是调用ntplib包。我在本地电脑ping 国家授时中心地址cn.pool.ntp.org有时出现丢包,然而,二者都没有检查udp是否丢包的机制,方法一在udp丢包后一直处于阻塞状态无法退出,方法二虽然会提示超时,但是不再做其它尝试,比如重新发包,或者向同一个域名的不同IP地址发包。于是,尝试在方法一的代码基础上,增加了超时机制,并且尝试向同一个域名的不同IP地址发包。
具体修改后的完整代码如下:
#-*- coding:utf-8 -*- import socket import struct import time import win32api import os import re def getTime(TimeServerAddresses): TIME_1970 = 2208988800L client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) client.settimeout(3) data = \'\\x1b\' + 47 * \'\\0\' #TimeServer_ip=socket.gethostbyname(\'cn.pool.ntp.org\') #TimeServer_ip=\'202.118.1.130\' Port=123 for address in TimeServerAddresses: success=False count=0 while not success and count<3: print address,count try: client.sendto(data, (address, Port)) data, address = client.recvfrom(1024) success=True except socket.timeout: print \'Request timed out!\' count=count+1 if success==True:a break data_result = struct.unpack(\'!12I\', data)[10] data_result -= TIME_1970 return data_result def setSystemTime(now_time): tm_year, tm_mon, tm_mday, tm_hour, tm_min, tm_sec, tm_wday, tm_yday, tm_isdst = time.gmtime(now_time) win32api.SetSystemTime(tm_year, tm_mon, tm_wday, tm_mday, tm_hour, tm_min, tm_sec, 0) print \"Set System OK!\" def getServerIP(): res1=os.popen(\'nslookup cn.pool.ntp.org\') result1=res1.read() addresses=result1.split(\'\\n\\n\')[1].split(\'\\n\')[1][12:].split(\',\') return addresses #for address in addresses: # res=os.popen(\'ping -n 2 \'+address) # result=res.read() # received_num=int(re.findall(\'Received = [0-9]\',result)[0].split(\'=\')[1]) # if received_num > 1: # break #TimeServer=address if __name__ == \'__main__\': addresses=getServerIP() now_time=getTime(addresses) setSystemTime(now_time) print \"%d-%d-%d %d:%d:%d\" % time.localtime(now_time)[:6]
以上就是本文的全部内容,希望对大家的学习有所帮助。