from time import sleep
import zipfile
from selenium import webdriver
from selenium.webdriver.chrome.service import Service
PROXY_HOST = '111.111.111.111'  # ip
PROXY_PORT = 8080  # port
PROXY_USER = 'user'  # username
PROXY_PASS = 'pass'  # paassword
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 = """
var config = {
        mode: "fixed_servers",
        rules: {
          singleProxy: {
            scheme: "http",
            host: "%s",
            port: parseInt(%s)
          },
          bypassList: ["localhost"]
        }
      };
chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});
function callbackFn(details) {
    return {
        authCredentials: {
            username: "%s",
            password: "%s"
        }
    };
}
chrome.webRequest.onAuthRequired.addListener(
            callbackFn,
            {urls: ["<all_urls>"]},
            ['blocking']
);
""" % (PROXY_HOST, PROXY_PORT, PROXY_USER, PROXY_PASS)
chrome_options = webdriver.ChromeOptions()
pluginfile = 'proxy_auth_plugin.zip'
with zipfile.ZipFile(pluginfile, 'w') as zp:
    zp.writestr("manifest.json", manifest_json)
    zp.writestr("background.js", background_js)
chrome_options.add_extension(pluginfile)
s = Service("Путь к chromedriver.exe")
browser = webdriver.Chrome(service=s, options=chrome_options)
browser.get("https://2ip.ru")
sleep(5)
browser.close()
browser.quit()