python 获得指定服务器时间返回13 16位时间戳

import ntplib
import os,datetime
hosts = ['0.cn.pool.ntp.org','1.cn.pool.ntp.org','2.cn.pool.ntp.org','3.cn.pool.ntp.org']
hosts=['ntp.aliyun.com','ntp1.aliyun.com','ntp2.aliyun.com','ntp3.aliyun.com','ntp4.aliyun.com','ntp5.aliyun.com']
def ntp_client():
    #hosts = ['0.cn.pool.ntp.org','1.cn.pool.ntp.org','2.cn.pool.ntp.org','3.cn.pool.ntp.org']
    hosts=['ntp.aliyun.com','ntp1.aliyun.com','ntp2.aliyun.com','ntp3.aliyun.com','ntp4.aliyun.com','ntp5.aliyun.com']
    #创建实例，NTPClient()是一个类
    t = ntplib.NTPClient()
    for host in hosts:
        try:
            #ntp server可以填写主机和域名，建议用域名
            #缺省端口为ntp， 版本为2， 超时为5s
            #作用：查询 NTP 服务器，并返回对象
            r = t.request(host , port='ntp', version=4, timeout=5)
            #r = t.request(host ,version=4, timeout=5)
            if r:
                break
        except Exception as e:
            pass
    #显示的是时间戳
    t = r.tx_time
    #print(t)
    #使用datetime模块,格式化：x年x月x日 时:分:秒.毫秒
    _date,_time = str(datetime.datetime.fromtimestamp(t))[:22].split(' ')
    print("调整前时间是：", datetime.datetime.now())
    os.system('date {} && time {}'.format(_date, _time))
    print("调整后时间是：", datetime.datetime.now())
def get_web_now_timea(time_format='YYYY-MM-DD HH:mm:ss.SSSSSS'):
        """
        获取网络时间，返回时间格式：2019-12-13 11:39:48.398
        :param time_format:控制返回字符串的格式，默认为：'YYYY-MM-DD HH:mm:ss.SSS'
        :return: 
        """
        import arrow as ar
        import requests as req
        #print('\n=========    获取网络时间   =========')
 
        try:
            res = req.get('http://shop.jsanycall.cn/').headers['Date']
            # res = req.get('https://www.hao123.com/').headers['Date']
            time_diff = ar.get(res[4:-4], 'DD MMM YYYY HH:mm:ss') - ar.now().floor('second')
            web_now_time = (ar.now() + time_diff).format(time_format)
 
            #print('web_now_time={}'.format(web_now_time))
 
            return web_now_time
        except BaseException as e:
            print('获取网络时间出错，出错原因：{}'.format(e))
            return -1
def get_web_now_timeaa(time_format='YYYY-MM-DD HH:mm:ss.SSS'):
        """
        获取网络时间，返回时间格式：2019-12-13 11:39:48.398
        :param time_format:控制返回字符串的格式，默认为：'YYYY-MM-DD HH:mm:ss.SSS'
        :return: 
        """
        import arrow as ar
        import requests as req
        #print('\n=========    获取网络时间   =========')
 
        try:
            res = req.get('http://shop.jsanycall.cn/').headers['Date']
            # res = req.get('https://www.hao123.com/').headers['Date']
            time_diff = ar.get(res[4:-4], 'DD MMM YYYY HH:mm:ss') - ar.now().floor('second')
            web_now_time = (ar.now() + time_diff).format(time_format)
 
            #print('web_now_time={}'.format(web_now_time))
 
            return web_now_time
        except BaseException as e:
            print('获取网络时间出错，出错原因：{}'.format(e))
            return -1
def zf13stamp(ax):
    ata=datetime.datetime.strptime(ax[:-4], "%Y-%m-%d %H:%M:%S")
    att=get_time13(ata)
    atx=att+int(ax[-3:])
    return atx
def zf16stamp(ax):
    ata=datetime.datetime.strptime(ax[:-7], "%Y-%m-%d %H:%M:%S")
    att=get_time16(ata)
    atx=att+int(ax[-6:])
    return atx

def get_time13(datetime_obj):
    import datetime, time
    # 生成13时间戳   eg:1557842280000
    datetime_str = datetime.datetime.strftime(datetime_obj, '%Y-%m-%d %H:%M:00')
    datetime_obj = datetime.datetime.strptime(datetime_str, '%Y-%m-%d %H:%M:00')
    #print(datetime_obj)
    # 10位，时间点相当于从1.1开始的当年时间编号
    date_stamp = str(int(time.mktime(datetime_obj.timetuple())))
    # 3位，微秒
    data_microsecond = str("%06d" % datetime_obj.microsecond)[0:3]
    date_stamp = date_stamp + data_microsecond
    return int(date_stamp)

def get_time16(datetime_obj):
    import datetime, time
    # 生成13时间戳   eg:1557842280000
    datetime_str = datetime.datetime.strftime(datetime_obj, '%Y-%m-%d %H:%M:00')
    datetime_obj = datetime.datetime.strptime(datetime_str, '%Y-%m-%d %H:%M:00')
    #print(datetime_obj)
    # 10位，时间点相当于从1.1开始的当年时间编号
    date_stamp = str(int(time.mktime(datetime_obj.timetuple())))
    # 3位，微秒
    data_microsecond = str("%06d" % datetime_obj.microsecond)[0:6]
    date_stamp = date_stamp + data_microsecond
    return int(date_stamp)

if __name__ == '__main__':
    #ntp_client()
    aa=zf16stamp(get_web_now_timea())
    print(aa)
    aa=zf13stamp(get_web_now_timeaa())
    print(aa)

1647741300520409
1647741300868
>>>

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