formshandler.py 文件源码

def start_driver(self):
        try:
            driver = self.find_chromedriver()
        except WebDriverException:
            logger.error('Unable to locate chromedriver')
            time.sleep(0.1)
            download = raw_input('\nNo chrome driver found.  Download? (y/n): ')
            if download.lower().startswith('y'):
                self.download_chromedriver()
                try:
                    driver = webdriver.Chrome(executable_path=self.chrome_path)
                except WebDriverException as e:
                    if 'cannot find' in e.msg:
                        logger.critical('Could not start Chrome browser')
                        raise SystemExit('Forms log cannot be retrieved without Chrome and chromedriver.')
                    else:
                        logger.exception('Cannot start the Chrome browser')
                        raise SystemExit('Forms log cannot be retrieved without Chrome and chromedriver.')

            else:
                raise SystemExit('Forms log cannot be retrieved without Chrome and chromedriver.')

        return driver