Method call

tests/test_web_middleware.py:509–514

(self, request, handler: Handler)

    class Middleware:
        @web.middleware
        async def call(self, request, handler: Handler):
            resp = await handler(request)
            assert 200 == resp.status
            resp.set_status(201)
            resp.text = resp.text + "[new style middleware]"
            return resp

    app = web.Application()
    app.middlewares.append(Middleware().call)