Real Time Web with Django Channels

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Real Time Web With Django Channels Senko Rašić [email protected]

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JOIN ME, AND TOGETHER WE WILL RULE THE GALAXY

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WSGI

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socket.io bro!

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No content

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Andrew Godwin

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Django Channels + ASGI

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Gunicorn uWSGI Django request response WSGI request response HTTP

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Daphne Django message message ASGI request response HTTP

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Daphne Django message message ASGI WSS upgrade WS frame HTTP WS frame WS frame WS frame message message message disconnect message

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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

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Daphne Django worker ASGI HTTP redis Django worker Django worker

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Daphne Django worker ASGI HTTP redis Django worker Django worker Daphne HTTP

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Interface Server Worker server ASGI HTTP Channel Layer Worker server Worker server Interface Server HTTP ASGI ASGI ASGI ASGI

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Interface Server Consumer (View) HTTP GET ASGI http.request Interface Server HTTP response ASGI http.response!abc HTTP request handling

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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

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View Consumer ASGI ASGI jobqueue Consumer Consumer ASGI ASGI Bonus: task queue ASGI

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DEMO TIME!

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That’s all, Folks! See also: Reinventing Django for the Real-Time Web https://www.youtube.com/watch?v=2sEPipctTxw

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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