Python设置Cookie永不超时的详细指南

import requests
from requests.exceptions import ProxyError
from bs4 import BeautifulSoup

# 登录网站获取Cookie
def login_and_get_cookie():
    login_url = "https://example.com/login"
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
    }
    data = {
        "username": "your_username",
        "password": "your_password"
    }
    try:
        session = requests.Session()
        response = session.post(login_url, headers=headers, data=data)
        if response.status_code == 200:
            print("登录成功，获取Cookie")
            return session.cookies.get_dict()
        else:
            print("登录失败，状态码：", response.status_code)
            return None
    except ProxyError as e:
        print("代理错误：", e)
        return None
    except Exception as e:
        print("登录过程中发生错误：", e)
        return None

# 检测Cookie是否有效
def check_cookie_validity(cookie):
    test_url = "https://example.com/test"
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
    }
    try:
        response = requests.get(test_url, headers=headers, cookies=cookie)
        if response.status_code == 200:
            return True
        else:
            return False
    except Exception as e:
        print("检测Cookie时发生错误：", e)
        return False

# 主程序
if __name__ == "__main__":
    cookie = login_and_get_cookie()
    if cookie:
        print("初始Cookie：", cookie)
        while True:
            if check_cookie_validity(cookie):
                print("Cookie有效，继续使用")
            else:
                print("Cookie失效，重新登录获取新的Cookie")
                cookie = login_and_get_cookie()
                if cookie:
                    print("新的Cookie：", cookie)
                else:
                    print("无法获取新的Cookie，退出程序")
                    break

import time
import requests
from requests.auth import HTTPProxyAuth

# 代理信息
proxyHost = "www.16yun.cn"
proxyPort = "5445"
proxyUser = "16QMSOML"
proxyPass = "280651"

# 构造代理字典
proxies = {
    "http": f"http://{proxyHost}:{proxyPort}",
    "https": f"http://{proxyHost}:{proxyPort}"
}

# 构造代理认证信息
proxy_auth = HTTPProxyAuth(proxyUser, proxyPass)

def simulate_user_behavior(cookie):
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
    }
    urls = [
        "https://example.com/page1",
        "https://example.com/page2",
        "https://example.com/page3"
    ]
    for url in urls:
        try:
            # 使用代理和认证信息发送请求
            response = requests.get(url, headers=headers, cookies=cookie, proxies=proxies, auth=proxy_auth)
            print(f"模拟访问：{url}")
            if response.status_code == 200:
                print(f"成功访问 {url}")
            else:
                print(f"访问 {url} 失败，状态码：{response.status_code}")
        except Exception as e:
            print(f"模拟访问{url}时发生错误：", e)
        time.sleep(3)

if __name__ == "__main__":
    cookie = login_and_get_cookie()
    if cookie:
        while True:
            simulate_user_behavior(cookie)
            time.sleep(60)  # 每60秒模拟一次用户行为

import json
import os

# 保存Cookie到本地文件
def save_cookie(cookie, file_path):
    with open(file_path, "w") as f:
        json.dump(cookie, f)
    print("Cookie已保存到文件：", file_path)

# 从本地文件加载Cookie
def load_cookie(file_path):
    if os.path.exists(file_path):
        with open(file_path, "r") as f:
            cookie = json.load(f)
        print("从文件加载Cookie：", cookie)
        return cookie
    else:
        print("Cookie文件不存在，需要重新登录获取")
        return None

if __name__ == "__main__":
    cookie_file = "cookie.json"
    cookie = load_cookie(cookie_file)
    if not cookie or not check_cookie_validity(cookie):
        cookie = login_and_get_cookie()
        if cookie:
            save_cookie(cookie, cookie_file)
    while True:
        simulate_user_behavior(cookie)
        time.sleep(60)