Method prepare

python/python3/tornado/test/websocket_test.py:103–106

(self)

        self.set_header("X-Extra-Response-Header", "Extra-Response-Value")

    def prepare(self):
        for k, v in self.request.headers.get_all():
            if k.lower().startswith("x-test"):
                self.set_header(k, v)


class NonWebSocketHandler(RequestHandler):