python源码定时同步本机的北京时间

把开发过程比较好的一些内容段记录起来，下边资料是关于python定时同步本机的北京时间的内容，应该能对各位也有好处。

import time,httplib

import threading

def getBeijinTime():

    try:

        conn = httplib.HTTPConnection("www.beijing-time.org")

        conn.request("GET", "/time.asp")

        response = conn.getresponse()

        print response.status, response.reason

        if response.status == 200:

            result = response.read()

            data = result.split("rn")

            year = data[1][len("nyear")+1 : len(data[1])-1]

            month = data[2][len("nmonth")+1 : len(data[2])-1]

            day = data[3][len("nday")+1 : len(data[3])-1]

            #wday = data[4][len("nwday")+1 : len(data[4])-1]

            hrs = data[5][len("nhrs")+1 : len(data[5])-1]

            minute = data[6][len("nmin")+1 : len(data[6])-1]

            sec = data[7][len("nsec")+1 : len(data[7])-1]

            beijinTimeStr = "%s/%s/%s %s:%s:%s" % (year, month, day, hrs, minute, sec)

            beijinTime = time.strptime(beijinTimeStr, "%Y/%m/%d %X")

            return beijinTime

    except:

        return None

def syncLocalTime():

    """

    同步本地时间

    """

    beijinTime = getBeijinTime()

    if beijinTime is None:

        timer = threading.Timer(30.0, syncLocalTime)

        timer.start()

    else:

        tm_year, tm_mon, tm_mday, tm_hour, tm_min, tm_sec = beijinTime[:6]

        import os

        os.system("date %d-%d-%d" % (tm_year, tm_mon, tm_mday))    #设置日期

        os.system("time %d:%d:%d.0" % (tm_hour, tm_min, tm_sec))    #设置时间

if __name__=='__main__':

    while True:

        syncLocalTime()

        time.sleep(30)