devtools_browser.py 文件源码

def connect(self, task):
        """Connect to the dev tools interface"""
        ret = False
        from internal.devtools import DevTools
        self.devtools = DevTools(self.options, self.job, task, self.use_devtools_video)
        if task['running_lighthouse']:
            ret = self.devtools.wait_for_available(self.CONNECT_TIME_LIMIT)
        else:
            if self.devtools.connect(self.CONNECT_TIME_LIMIT):
                logging.debug("Devtools connected")
                ret = True
            else:
                task['error'] = "Error connecting to dev tools interface"
                logging.critical(task['error'])
                self.devtools = None
        return ret