shop_live_scraper/web_cookie.py

import requests,json,random,uuid,sys,time,threading,datetime

from libs.proxy import Proxy
from rds_model.db_redis import DbRedis
# -- coding: utf-8 --**

start_time = time.time()

class Cookie:
    redis = DbRedis.douyin_connect()

    cookie_info = ''

    @staticmethod
    def get():
        while True:
            cookie = Cookie.random_cookie()

            if cookie is not None:
                return cookie

            print('未拿到有效的代理')
            time.sleep(1)

    @staticmethod
    def random_cookie():
        key = 'CookieHash'
        cookie_dict = Cookie.redis.hgetall(key)

        if (cookie_dict is None) or (len(cookie_dict) == 0):
            return

        cookie_list = list(cookie_dict)

        now = int(time.time())
        while True:
            cookie = random.choice(cookie_list)#Cookie.choice_cookie()

            if cookie is None:
                return

            cookie_info = cookie_dict.get(cookie)

            if cookie_info is None:
                continue

            create_at = int(time.mktime(time.strptime(cookie_info, "%Y-%m-%d %H:%M:%S")))

            # 删除过期的代理
            if now - create_at >= 3600:
                Cookie.redis.hdel(key, cookie)
                cookie_list.remove(cookie)
                continue

            return cookie

    @staticmethod
    def del_cookie(cookie):
        cookie_info = Cookie.redis.hget('CookieHash', cookie)
        if cookie_info is None:
            return
        
        create_at = int(time.mktime(time.strptime(cookie_info, "%Y-%m-%d %H:%M:%S")))

        now = int(time.time())

        if create_at - now >= 3600:
            return

        # 删除失效的Cookie
        print('删除失效Cookie：' + cookie)

    def set(cookie):
        Cookie.redis.hset('CookieHash', cookie, time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))

    def get_ck(self):
        requests.packages.urllib3.disable_warnings()
        headers = {
            'authority': 'www.douyin.com',
            'method': 'GET',
            'path': '/',
            'scheme': 'https',
            'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
            'accept-encoding': 'gzip, deflate, br',
            'accept-language': 'zh-CN,zh;q=0.9',
            'upgrade-insecure-requests': '1',
            'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36',
        }

        retry = 0
        ck = None
        # 屏蔽验证https证书提示
        requests.packages.urllib3.disable_warnings()

        while True:
            if retry > 10:
                break

            retry += 1

            proxy = Proxy.get()

            proxies = {
                "http": "http://" + proxy,
                "https": "http://" + proxy
            }

            try:
                response = requests.get(
                    'https://www.douyin.com/',
                    headers=headers,
                    proxies=proxies,
                    timeout=8,
                    verify=False
                )

                cookie_dict=response.cookies.get_dict()
                ck=''

                if cookie_dict:
                    for k,v in cookie_dict.items():
                        ck+='%s=%s; '%(k,v)
                    ck=ck[:-2]
                    ck+='; passport_csrf_token='+str(uuid.uuid4()).replace('-','')

                    Cookie.set(ck)
                    
                    print(
                        time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                        + ' 数据获取成功！' 
                        + '\n'
                        + ck
                        + '\n'
                        + Proxy.proxy_info
                    )
                    break
                else:
                    print(
                        time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                        + ' 爬取http连接失败！' 
                        + str(response.status_code) 
                        + '\n'
                        + Proxy.proxy_info 
                    )
                    time.sleep(1)
            except requests.exceptions.ProxyError as e:
                print(
                    time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                    + ' 代理过期！' 
                    + str(e) 
                    + Proxy.proxy_info
                )
                Proxy.del_proxy(proxy)
                pass
            except requests.exceptions.ConnectTimeout as e:
                print(
                    time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                    + ' ConnectTimeout！' 
                    + str(e) 
                    + '\n'
                    + Proxy.proxy_info
                )
                Proxy.del_proxy(proxy)
                pass
            except Exception as e:
                print(
                    time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                    + ' 请求抛出异常！' 
                    + str(e) 
                    + '\n'
                    + Proxy.proxy_info
                )
                pass

        return ck

if __name__ == "__main__":
    print("主方法开始执行")
    # 并行线程数
    threading_count = int(sys.argv[1])

    print(
        time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
        + ' ' 
        + ' 开始执行'
    )

    while True:
        sys.stdout.flush()
        
        # 减去主线程
        # active_count = threading.active_count() - 1
       
        # increment = threading_count - active_count

        # 获取cookie长度
        key = 'CookieHash'
        cookie_dict = Cookie.redis.hgetall(key)
        if len(cookie_dict) >= 1000:
            time.sleep(60)
            break

        cookie = Cookie()
        
        # while increment > 0:
            # sys.stdout.flush()
        cookie.get_ck()
            # task = threading.Thread(target=cookie.get_ck,)
            # task.start()  # 准备就绪, 等待cpu执行
            # increment = increment - 1
           
        current_time = time.time()

        if current_time - start_time > 3600:
            print(
                time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
                + ' 主方法执行终止'
            )
            sys.exit(0)

        time.sleep(1)