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废话 不多说 直接上 代码！！！

"""
    coding:utf-8
    @Software:PyCharm
    @Time:2022/9/24 10:15
    @Author:Startao
    @Description:
"""
import base64
import hashlib
import hmac
import time

import requests


def gen_sign(timestamp, secret):
    # 拼接timestamp和secret
    string_to_sign = '{}\n{}'.format(timestamp, secret)
    hmac_code = hmac.new(string_to_sign.encode("utf-8"), digestmod=hashlib.sha256).digest()
    print(hmac_code)
    # 对结果进行base64处理
    sign = base64.b64encode(hmac_code).decode('utf-8')
    return sign


def send_message(message):
    webhook = "your_webhook"
    secret = "your_secret"
    timestamp = int(time.time())
    headers = {
        "Content-Type": "application/json"
    }
    a_sign = gen_sign(timestamp, secret)

    message_txt = {
        "sign": a_sign,
        "timestamp": timestamp,
        "msg_type": "text",
        "content": {
            "text": message
        }
    }
    response = requests.post(url=webhook, headers=headers, json=message_txt)