python-----钉钉加签类型报警

代码如下：

import time
import hmac
import hashlib
import base64
import urllib
import json
import requests

class DingTalkRobot(object):
    def __init__(self, webhook, sign=None):
        self.webhook = webhook
        self.sign = sign
        self.headers = {'Content-Type': 'application/json; charset=utf-8'}
        self.times = 0
        self.start_time = time.time()

    def splice_url(self):
        """加密签名"""
        timestamp = int(round(time.time() * 1000))
        secret = self.sign
        secret_enc = secret.encode('utf-8')
        string_to_sign = '{}\n{}'.format(timestamp, secret)
        string_to_sign_enc = string_to_sign.encode('utf-8')
        hmac_code = hmac.new(secret_enc, string_to_sign_enc, digestmod=hashlib.sha256).digest()
        sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))
"""
注意此处两处字符串拼接写法
第一行可以应用于python3.6版本
第二行可以应用python2版本
"""
        # url = f'{self.webhook}×tamp={timestamp}&sign={sign}'
        url = '{}×tamp={}&sign={}'.format(self.webhook,timestamp,sign)

        return url

    def send_text(self, msg):
        data = {"msgtype": "text", "at": {}}
        if msg:
            data["text"] = {"content": msg}
        else:
            return {'errcode': 500, 'errmsg': '消息内容不能为空'}
        return self.__post(data)

    def __post(self, data):
        post_data = json.dumps(data)
        try:
            response = requests.post(self.splice_url(), headers=self.headers, data=post_data)
        except Exception:
            return {'errcode': 500, 'errmsg': '服务器响应异常'}
        result = response.json()
        return result


ipList = ['128.1.87.103', '156.236.93.49', '156.236.93.38', '10.67.123.27', '10.110.196.85']
ip_List = '\n'.join(ipList)     #将列表转换未换行输出的字符串
if __name__ == '__main__':
    URL = "钉钉Webhook"
    SIGN = "密钥"
    ding = DingTalkRobot(URL, SIGN)
    ding.send_text("请注意！\n机器列表如下：\n"+ip_List)