A simple app to test trailer extension

test.py

async def app2(scope, receive, send):
    if scope["type"] == "http":
        # request = Request(scope, receive)
        # body = await request.body()
        # print(body)
        await send(
            {
                "type": "http.response.start",
                "status": 200,
                "headers": [
                    (b"Trailer", b"X-Test"),
                    (b"Cache-Control", b"no-cache"),
                    (b"Content-Type", b"text/plain"),
                ],
                "meta": {"reason": "OK"},
            }
        )
        await send({"type": "http.response.body", "body": b"test body", "more_body": True})
        await send({"type": "http.response.trailers", "headers": [(b"X-Test", b"test")]})

if __name__ == "__main__":
    # actually this is nonecorn
    from hypercorn.asyncio import serve
    from hypercorn.config import Config

    try:
        import uvloop

        uvloop.install()
    except ImportError:
        pass
    kw = {"bind": ["127.0.0.1:9001"], "accesslog": "-", "loglevel": "DEBUG"}
    config = Config.from_mapping(kw)
    # config.keyfile = ".\key.pem"
    # config.certfile = ".\cert.pem"
    asyncio.run(serve(app2, config))