Real Time Web with Django Channels

The talk will introduces the Channels concept, explains how they work and shows a few examples of what’s now possible (or plain easier) to do with them.

Transcript

1. Real Time Web With Django Channels Senko Rašić senko.rasic@goodcode.io
2. JOIN ME, AND TOGETHER WE WILL RULE THE GALAXY
3. WSGI
4. socket.io bro!
6. Andrew Godwin
7. Django Channels + ASGI
8. Gunicorn uWSGI Django request response WSGI request response HTTP
9. Daphne Django message message ASGI request response HTTP
10. Daphne Django message message ASGI WSS upgrade WS frame HTTP WS frame WS frame WS frame message message message disconnect message
11. Daphne Django message message ASGI WSS upgrade WS frame HTTP WS frame WS frame WS frame message message message disconnect message Django Django Django Django Django
12. Daphne Django worker ASGI HTTP redis Django worker Django worker
13. Daphne Django worker ASGI HTTP redis Django worker Django worker Daphne HTTP
14. Interface Server Worker server ASGI HTTP Channel Layer Worker server Worker server Interface Server HTTP ASGI ASGI ASGI ASGI
15. Interface Server Consumer (View) HTTP GET ASGI http.request Interface Server HTTP response ASGI http.response!abc HTTP request handling
16. Interface Server Consumer WS socket ASGI websocket.receive Interface Server WS socket1 ASGI websocket.send!abc WebSockets handling Interface Server WS socket2 ASGI websocket.send!def
17. View Consumer ASGI ASGI jobqueue Consumer Consumer ASGI ASGI Bonus: task queue ASGI
18. DEMO TIME!
19. That’s all, Folks! See also: Reinventing Django for the Real-Time Web https://www.youtube.com/watch?v=2sEPipctTxw
20. Image credits: Darth Vader - https://www.pinterest.com/jaclynnpetersen/star-wars/ Trabant - https://en.wikipedia.org/wiki/Trabant Rube Goldberg Machine - https://en.wikipedia.org/wiki/Rube_Goldberg_machine Meditating Monk - https://www.flickr.com/photos/aigle_dore/24065839299 Flying DeLorean - http://mugen.wikia.com/wiki/Delorean