Async in connexion (swagger codegen) python server using tornado

Question

If I add @gen.coroutine to request handling method, generated by connexion, it stop working - break connect with the client, does not return anything.

How to use connexion+tornado anyncronously? gen.sleep for example? If I yield gen.sleep in the request handler without @gen.coroutine, it does not wait specified time.

Answer 1

I found the answer. It's not pleasant though..

https://waffle.io/zalando/connexion/cards/57c036758b96c67f0165fb9f

@funseiki ... giving it more though we would need to actually do quite some changes in other parts of the Connexion code to support Tornado async. For now the answer is "not possible". :/