Python自动化测试Selenium+chrome连接代理ip（账密模式）-开发者指南-青果网络

此示例Python使用Selenium调用Chrome浏览器并通过代理进行自动化测试。
> 请注意：目前最高支持到Chrome 129.0.6614.3，后续版本暂不支持

- 代码示例

```python
import time
import string
import zipfile
from selenium import webdriver
from selenium.webdriver.chrome.service import Service

targetURL = "http://myip.ipip.net"  # 访问的目标站点
proxyHost = "61.171.76.145"  # 代理IP地址
proxyPort = "50353"  # 代理IP端口号
authKey = "x"  # 代理IP的AuthKey
password = "x"  # 代理IP的AuthPwd

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'./{}_{}_qgnet_proxyauth_plugin.zip'.format(proxy_username, proxy_password)

manifest_json = """
       {
        "version": "1.0.0",
        "manifest_version": 2,
        "name": "Chrome Proxy",
        "permissions": [
            "proxy",
            "tabs",
            "unlimitedStorage",
            "storage",
            "<all_urls>",
            "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: ["localhost"]
            }
          };

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

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

chrome.webRequest.onAuthRequired.addListener(
                    callbackFn,
                    {urls: ["<all_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

if __name__ == '__main__':
    # 此处指定您的webdriver路径，版本需要跟您所使用的Chrome版本一致，
    # 下载地址https://registry.npmmirror.com/binary.html?path=chromedriver/
    driver_location = "./chromedriver/chromedriver_v106_win.exe"
    proxy_auth_plugin_path = create_proxy_auth_extension(
        proxy_host=proxyHost,
        proxy_port=proxyPort,
        proxy_username=authKey,
        proxy_password=password)
    option = webdriver.ChromeOptions()

option.add_argument("--start-maximized")  # 窗口最大化运行
    option.add_extension(proxy_auth_plugin_path)  # 添加proxy插件

# 此处selenium版本为4.8.0
    driver = webdriver.Chrome(service=Service(driver_location), options=option)
    driver.get(targetURL)
    time.sleep(100)
    driver.quit()

```

- 运行结果
  [![](https://cos.qg.net/uploads/image/20220916/d1a8b394a7d64cdd99b120803390ac56.png)](https://cos.qg.net/uploads/image/20220916/d1a8b394a7d64cdd99b120803390ac56.png)