Python搭建免费用户代理池

文章目录

简易版

转载：https://www.jianshu.com/p/ae6d5b34cf20
很简单，就是速度实在是慢的不行，尤其验证ip的时候，100页抓到1s内的代理ip只有2000多个，验证至少都要跑至少两三个小时
2000多个有效的也就只有两个。

getIpList.py

import requests

from bs4 import BeautifulSoup

url = "http://www.xicidaili.com/nn/"

def get_user_agent():
    '''

    随机获取一个用户代理

    '''

    user_agents = [

        "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",

        "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",

        "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",

        "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",

        "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",

        "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",

        "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",

        "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",

        "Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",

        "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",

        "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",

        "Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",

        "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",

        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",

        "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.11 TaoBrowser/2.0 Safari/536.11",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71 Safari/537.1 LBBROWSER",

        "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; LBBROWSER)",

        "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E; LBBROWSER)",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.84 Safari/535.11 LBBROWSER",

        "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)",

        "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; QQBrowser/7.0.3698.400)",

        "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",

        "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SV1; QQDownload 732; .NET4.0C; .NET4.0E; 360SE)",

        "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",

        "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)",

        "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",

        "Mozilla/5.0 (iPad; U; CPU OS 4_2_1 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5",

        "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13pre",

        "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:16.0) Gecko/20100101 Firefox/16.0",

        "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11",

        "Mozilla/5.0 (X11; U; Linux x86_64; zh-CN; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10"

    ]

    # random.choice返回列表的随机项

    user_agent = random.choice(user_agents)

    return user_agent
   

for i in range(0, 100):
    headers = {
        "User-Agent":get_user_agent()
    }

    print(headers)
    # random.randint产生随机整数

    time.sleep(2 + float(random.randint(1, 100)) / 20)

    print('第' + str(i) + '页')

    url = 'http://www.xicidaili.com/nn/' + str(i)

    response = requests.get(url=url, headers=headers)

    soup = BeautifulSoup(response.text, 'html.parser')

    all_trs = soup.find_all('tr')

    for tr in all_trs[1:]:

        all_tds = tr.find_all('td')

        ip = all_tds[1].get_text()

        port = all_tds[2].get_text()

        anonymous = all_tds[4].get_text()

        type = all_tds[5].get_text()

        for j in all_tds[6].find_all("div", attrs={"class": "bar"}):

            speed = j.get('title')
            # print(type(speed))
            if speed[0][0] == '0' : #抓取速度在1秒内的
                with open('ip.csv', 'a+', encoding='utf-8-sig') as f:
                    f.write(ip + ',' + port + ',' + anonymous + ',' + type + ',' + speed + '\n')

verifyIp.py

df = pd.read_csv('ip.csv', header=None, names=["ip", "port", "anonymous", "proxy_type", "speed"])

proxy_types = ["{}".format(i) for i in np.array(df['proxy_type'])]

ips = ["{}".format(i) for i in np.array(df['ip'])]

ports = ["{}".format(i) for i in np.array(df['port'])]

proxy_url = ['{0}://{1}:{2}'.format(proxy_types[i], ips[i], ports[i]) for i in range(int(len(ips)))]

proxy_type = ['{}'.format(i) for i in proxy_types]

for i in range(len(proxy_url)):

    proxies = {

        proxy_type[i]: proxy_url[i]

    }
    time.sleep(2 + float(random.randint(1, 100)) / 20)

    try:

        response = requests.get('http://wenshu.court.gov.cn/', proxies=proxies)

    except Exception as e:

        print('invalid ip and port'+str(e))

    else:

        code = response.status_code

        if code == 200:

            print('effective ip')

            with open('effective_ip.csv', 'a+', encoding='utf-8-sig') as f:

                f.write(proxy_type[i] + ',' + proxy_url[i] + '\n')

        else:

            print('invalid ip and port')

使用协程异步请求

参考：http://www.sohu.com/a/309627932_120123190
讲的好细致
没看完，把之前上面的简易版改了用协程改了一下
注意在使用await的函数在调用的时候也要在之前加上await关键字，否则会报Never await的异常。
100页的请求4.5s

posted @ 2019-05-13 00:52  快乐的内啡肽呀  阅读(37)  评论(0)    收藏  举报