how does python aiohttp.web middleware work

according to the documentation The handler passed in to a middleware factory is the handler returned by the next middleware factory. The last middleware factory always receives the request...

singleton connections pool for aiohttp+aiomysql (python 3.5)

I am playing with aiohttp+aiomysql. I want to share same connection pool instance between request calls. So i create a global var and preinit it once in corouting call. My code: import...

How to implement redis sessions expire in aiohttp

I can't find redis session expiration implementation in aiohttp redis session. Session saved in redis but then i check ttl AIOHTTP_SESSION_c8a63762a87d4c01a64991e268c35f54 there is no ttl for...

Aiohttp authentication middleware

I want to attach a middleware to specific handler and if client is not authorized then want to return an error response. However with the following code : async def middleware_factory(app,...

Random Timeout Errors using heroku + gunicorn + aiohttp

I've develop a service that acts as a gateway to redirect requests to different micro-services. To do this I've used aiohttp to handle an redirect requests, gunicorn (w/...

python3 aiohttp server can't get real ip behind nginx

I am using aiohttp (http://aiohttp.readthedocs.io/en/stable/) behind nginx with https: I try to get IP in aiohttp middleware: peername = request.transport.get_extra_info('peername') host, port, =...

aiohttp implicitly turns out my method to function

My aiohttp middleware gets function as parameter instead of bound method which have been passed to route. How to explain this behavior? How to avoid that? class AsyncHttpServer: def...

Graphene run all resolvers in a context manager

Aiohttp provides a context manager to create client session. It's recommended to use one session per many http queries ( in most cases per application )...

Custom access log in aiohttp

I want to have additional attributes of request to be logged in access log of aiohttp server. For example I have middleware, that adds user attribute to each request, and I want to store this...

aiohttp middleware and updating the url for a request

I am looking for help with an aiohttp middleware I'm working on that will automatically add trailing slashes to a uri if it's missing. Aiohttp requires that when you define a url, you define two...

Does calling thread.join() blocks the event loop in an asynchronous context?

I'm implementing a web API using aiohttp, deployed using gunicorn with UVloop enabled --worker-class aiohttp.GunicornUVLoopWebWorker. Therefore, my code always runs in an asynchronous context. I...

aiohttp and gunicorn: logger doesn't work

I'm trying to debug my aiopg connection settings in production environment using aiohttp logger and gunicorn. I'm trying to log my database credentials: models.py: async def init_pg(app): ...

When should a single session instance be used for requests?

From the aiohttp docs: [An aiohttp.ClientSession] encapsulates a connection pool (connector instance) and supports keepalives by default. Unless you are connecting to a large, unknown number of...

Is it possible to access a session (from aiohttp_session) within a middleware?

I'm setting up an aiohttp server using aiohttp_session to store data into an EncryptedCookieStorage. I use it to store a 7-days valid token, along with the expiration date and a refresh token. I...

How to store websockets at the server side with aiohttp?

I'm trying to make simple web-chat with rooms using aiohttp. Can you please advise me how to store my websockets connections? Some code below are simplified a bit. I'm getting an EOF error from...

Running an Python App as an Azure Web App

I am trying to run an Microsoft Teams BOT as an Azure Web App - complete code can be found here application.py: # Copyright (c) Microsoft Corporation. All rights reserved. # Licensed under the MIT...

Authorization architecture in microservice cluster

I have a project with microservice architecture (on Docker and Kubernetes), and 2 main apps are written in Python using AIOHTTP and Django (also there are and Ingress proxy, static files server, a...