Selenium-webdriver_manager判断是否已经下载过驱动（复用缓存驱动）_查看selenium是否下载

1,谷歌浏览器默认位置

2，ChromeDriverManager 下载的驱动位置 其中admin为机器的用户名

    def installDriver(self):
        """判断是否需要下载driver"""
        
        """找到本机谷歌浏览器版本"""
        """C:\Program Files\Google\Chrome\Application\122.0.6261.112   
        找到名字为版本号的文件夹"""
        
        dirPath=r'C:\Program Files\Google\Chrome\Application'
        version='122.0.6261.112'
        for item in os.listdir(dirPath):
            if re.search(r'\d{3}.\d.\d{4}.\d{3}',item):
                version=re.search(r'\d{3}.\d.\d{4}.\d{3}',item).group(0)
                break
        username = getpass.getuser()  #获取本机
        driver_path = f"""C:\\Users\\{username}\\.wdm\\drivers\\chromedriver\\win64\\{version}\\chromedriver-win32\\chromedriver.exe"""
        if not os.path.exists(driver_path):
            driver_path = ChromeDriverManager().install()
        return driver_path




    def createDriver(self):
     
        driver_path=self.installDriver()
        op = webdriver.ChromeOptions()
        # op.add_argument('headless')
        op.add_argument('disable-infobars')
        op.add_argument('--ignore-certificate-errors')
        op.add_argument('--allow-insecure-localhost')
        op.add_argument('-ignore -ssl-errors')
        op.add_experimental_option('excludeSwitches', ['enable-automation'])  # 以键值对的形式加入参数
        prefs = {"profile.default_content_settings.popups": 1}
        op.add_experimental_option('prefs', prefs)
        script = '''
                                        Object.defineProperty(navigator, 'webdriver', {
                                            get: () => undefined
                                        })
                                        '''
        self.driver = webdriver.Chrome(service=Service(driver_path))
        self.driver.maximize_window()
        self.driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {"source": script})
        self.driver.execute_script(script)
        script = '''
                                                Object.defineProperty(navigator, 'plugins', {
                                                    get: () => 2
                                                })
                                                '''
        self.driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {"source": script})
        self.driver.set_page_load_timeout(60)
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