sanic | A fast coroutine generator that saves your memory | Machine Learning library

Upgrade Sanic Version to 21.12.1

When you have multiple workers, Sanic will start a main process that manages several subprocesses. These subprocesses will be the application server workers.

Check out the cycle here. https://sanicframework.org/en/guide/basics/listeners.html

After loading the pickle, it seems to be solved by adding it to the context property.

ex.

I am going to make a few assumptions here, so I may need to amend this answer if there are some clarifications.

Before starting, it should be noted that the decorator itself will not start your web server. That will run in one of two scenarios:

1. You are running app.run() somewhere in the global scope
2. You are using the Sanic TestClient, which specifically operates by running your application's web server

Now, from what I can understand, you are trying to run db_setup in a test manually by calling it as a function, but you do not want it to attach as a listener to the application in your tests.

You can get access to all of your application instance's listeners in the app.listeners property. Therefore one solution would be something like this:

I'm not sure why you can't just run sanic --dev server.app. I get the same error as you.

However, running python -m sanic --dev server.app does appear to work:

By default, Sanic will not consume the body of a DELETE. There are two alternatives:

Option #1 - Tell Sanic to consume the body

I'm not familiar with this particular connection, but yes it should be possible. Presumably the with statement is opening and closing the connection.

Instead, open and close it with a listener.

Docs re: listeners

If you call a synchronous function from a coroutine the entire loop and all tasks running inside it will be waiting for that single synchronous function to complete.

If you need to have a long running synchronous function, and await asyncronously for the result there are a few ways, most people use a background thread of some kind.

Here is an example of socket.gethostbyaddr() (a sometimes very slow to finish synchronous function) being used asyncronously.

The Socket.IO protocol is very complex, it will take you a decent amount of time to implement it all manually in the websocket route. Also note that Socket.IO uses the same route for HTTP and WebSocket, something that I understand it is not possible to do (easily, at least) with Sanic.

The python-socketio package integrates with many frameworks, including Sanic to implement all the details of the Socket.IO protocol.

Binding to '0.0.0.0' (all NICs) seemed to solve the issue after hardcoding that to the app.start function. Before used to bind to ipv6 localhost address (::1)

Think of containers in the stack as of different physical or virtual machines. Your database is on one host and the chatbot is on another. Naturally the chatbot cannot find /var/run/postgresql/.s.PGSQL.5432 locally because it's in another container (as if on another computer), so you need to use network connection to reach it: