gen_test.py 文件源码

def get(self):
        self.io_loop = self.request.connection.stream.io_loop
        self.io_loop.add_callback((yield gen.Callback("k1")))
        yield gen.Wait("k1")
        self.write("1")
        self.io_loop.add_callback((yield gen.Callback("k2")))
        yield gen.Wait("k2")
        self.write("2")
        # reuse an old key
        self.io_loop.add_callback((yield gen.Callback("k1")))
        yield gen.Wait("k1")
        # just write, don't finish
        self.write("3")