Selenium爬虫代理代码示例

from selenium import webdriver
import string
import zipfile

# 代理服务器
proxyHost = "t.16yun.cn"
proxyPort = "31111"

# 代理隧道验证信息
proxyUser = "username"
proxyPass = "password"

def create_proxy_auth_extension(proxy_host, proxy_port,
                               proxy_username, proxy_password,
                               scheme=‘http‘, plugin_path=None):
    if plugin_path is None:
        plugin_path = r‘C:/{}_{}@t.16yun.zip‘.format(proxy_username, proxy_password)

    manifest_json = """
    {
        "version": "1.0.0",
        "manifest_version": 2,
        "name": "16YUN Proxy",
        "permissions": [
            "proxy",
            "tabs",
            "unlimitedStorage",
            "storage",
            "",
            "webRequest",
            "webRequestBlocking"
        ],
        "background": {
            "scripts": ["background.js"]
        },
        "minimum_chrome_version":"22.0.0"
    }
    """

    background_js = string.Template(
        """
        var config = {
            mode: "fixed_servers",
            rules: {
                singleProxy: {
                    scheme: "${scheme}",
                    host: "${host}",
                    port: parseInt(${port})
                },
                bypassList: ["foobar.com"]
            }
          };

        chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});

        function callbackFn(details) {
            return {
                authCredentials: {
                    username: "${username}",
                    password: "${password}"
                }
            };
        }

        chrome.webRequest.onAuthRequired.addListener(
            callbackFn,
            {urls: [""]},
            [‘blocking‘]
        );
        """
    ).substitute(
        host=proxy_host,
        port=proxy_port,
        username=proxy_username,
        password=proxy_password,
        scheme=scheme,
    )

    with zipfile.ZipFile(plugin_path, ‘w‘) as zp:
        zp.writestr("manifest.json", manifest_json)
        zp.writestr("background.js", background_js)

    return plugin_path

proxy_auth_plugin_path = create_proxy_auth_extension(
    proxy_host=proxyHost,
    proxy_port=proxyPort,
    proxy_username=proxyUser,
    proxy_password=proxyPass)

option = webdriver.ChromeOptions()

option.add_argument("--start-maximized")
# 如报错 chrome-extensions
# option.add_argument("--disable-extensions")
option.add_extension(proxy_auth_plugin_path)

driver = webdriver.Chrome(chrome_options=option)

driver.get("http://httpbin.org/ip")

原文地址：https://blog.51cto.com/14400115/2411206