Main project is mysite
https://channels.readthedocs.io/en/stable/ https://channels.readthedocs.io/en/stable/topics/consumers.html
- This is what was followed to create the chat application
https://medium.com/geekculture/a-beginners-guide-to-websockets-in-django-e45e68c68a71
https://www.youtube.com/watch?v=cw8-KFVXpTE
https://www.honeybadger.io/blog/django-channels-websockets-chat/
- This is a bad tutorial since calling
consumers.ChatRoomConsumer.as_asgi()results inAttributeError: type object 'ChatRoomConsumer' has no attribute 'as_asgi' - The error above was due to incorrect django version
https://stackoverflow.com/questions/66104932/django-3-1-5-and-channels-3-0-3-websocket-problem
wsgi - web server gateway interface. Outdated can't natively handle websocket. Is only synchroneous, websocket requires async
asgi - asynchronous server gateway interface. allows multiple, asynchronous events per application. Supports both sync and async.
- scope: a dictionary with information about the current request
- send: an async callable function that lets the application send messages back to the client
- receive: An async callable that lets the application receive messages from the client
pyenv virtualenv django-rest
python manage.py runserver
python manage.py migrate
python manage.py startapp myapi
python manage.py createsuperuser
python manage.py makemigrations
Go to mysite/settings.py
add myapi.apps.MyapiConfig to INSTALLED_APPS
FAST API
uvicorn main:app --reload
`http://127.0.0.1:8000/doc
The websocket example on fastapi has a connected list which is in memory, in order to manage that list it needs to be connected to either postgres or redis The fastapi documentation recommends using broadcaster
Starlette and FastAPI https://github.com/kthwaite/fastapi-websocket-broadcast/blob/master/app.py
https://blog.logrocket.com/implementing-websocket-communication-next-js/