base.py 文件源码

def run_wsgi(cls):
        if cls.wsgi_process != None:
            cls.make_browser()
            return
        cls.wsgi_process = Process(target=cls._run_wsgi)
        cls.wsgi_process.start()
        # Wait for it to come up
        success = False
        for i in range(10):
            try:
                if urllib.urlopen("http://localhost:%i/" % cls.port_num).getcode() == 200:
                    success = True
                    break
            except Exception:
                pass
            time.sleep(2)
        # Create a second app for routing etc
        cls.app = cls._make_app()
        # If we failed to run WSGI then clean-up
        if not success:
            cls.stop_wsgi()
            cls.wsgi_process = None
            raise Exception("Couldn't bring up WSGI server")
        cls.make_browser()