django channels

Django Channels Introduction

Welcome to Channels! Channels changes Django to weave asynchronous code underneath and through Django’s synchronous core, allowing Django projects to handle not only HTTP, but protocols that require long-running connections too – WebSockets, MQTT, chatbots, amateur radio, and more. It does this while preserving Django’s synchronous and easy-to-use nature, allowing you to choose how you …

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Channels Installation And Getting Latest Development Version

Channels is available on PyPI – to install it, just run: Once that’s done, you should add channels to your INSTALLED_APPS setting: Then, make a default routing in myproject/routing.py: And finally, set your ASGI_APPLICATION setting to point to that routing object as your root application: That’s it! Once enabled, channels will integrate itself into Django and take control of the runservercommand. See Introduction for more. Please be …

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Channels Consumers And Generic Consumers

While Channels is built around a basic low-level spec called ASGI, it’s more designed for interoperability than for writing complex applications in. So, Channels provides you with Consumers, a rich abstraction that allows you to make ASGI applications easily. Consumers do a couple of things in particular: Structures your code as a series of functions to …

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Channels Routing:ProtocolTypeRouter,URLRouter And ChannelNameRouter

While consumers are valid ASGI applications, you don’t want to just write one and have that be the only thing you can give to protocol servers like Daphne. Channels provides routing classes that allow you to combine and stack your consumers (and any other valid ASGI application) to dispatch based on what the connection is. Channels routers …

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Channels Session Usage And Session Persistence

Channels supports standard Django sessions using HTTP cookies for both HTTP and WebSocket. There are some caveats, however. Basic Usage The SessionMiddleware in Channels supports standard Django sessions, and like all middleware, should be wrapped around the ASGI application that needs the session information in its scope (for example, a URLRouter to apply it to a whole collection of …

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Django Authentication And Custom Authentication

Channels supports standard Django authentication out-of-the-box for HTTP and WebSocket consumers, and you can write your own middleware or handling code if you want to support a different authentication scheme (for example, tokens in the URL). Django authentication The AuthMiddleware in Channels supports standard Django authentication, where the user details are stored in the session. It allows …

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