browser_render.py 文件源码

def open(self, url, timeout=60):
        """Wait for download to complete and return result"""
        loop = QEventLoop()
        timer = QTimer()
        timer.setSingleShot(True)
        timer.timeout.connect(loop.quit)
        self.loadFinished.connect(loop.quit)
        self.load(QUrl(url))
        timer.start(timeout * 1000)
        loop.exec_() # delay here until download finished
        if timer.isActive():
            # downloaded successfully
            timer.stop()
            return self.html()
        else:
            # timed out
            print 'Request timed out:', url