webpagetest.py 文件源码

def update_browser_viewport(self, task):
        """Update the browser border size based on the measured viewport"""
        if 'actual_viewport' in task and 'width' in task and 'height' in task and \
                self.job is not None and 'browser' in self.job:
            browser = self.job['browser']
            width = max(task['width'] - task['actual_viewport']['width'], 0)
            height = max(task['height'] - task['actual_viewport']['height'], 0)
            if browser not in self.margins or self.margins[browser]['width'] != width or \
                    self.margins[browser]['height'] != height:
                self.margins[browser] = {"width": width, "height": height}
                if not os.path.isdir(self.persistent_dir):
                    os.makedirs(self.persistent_dir)
                margins_file = os.path.join(self.persistent_dir, 'margins.json')
                with open(margins_file, 'wb') as f_out:
                    json.dump(self.margins, f_out)