channels-extensions
Installation
pip install channels-extensions
Usage
DummyChannelLayer
DummyChannelLayer is an noop (almost) implementation of BaseChannelLayer. Messages sent to it are never available, and receive never returns.
All methods work as checkpoints to the event loop, yielding control back to it at least once.
CHANNEL_LAYERS = {
"dummy": {
"BACKEND": "channels_extensions.layers.DummyChannelLayer",
}
}
get_channel_layer
This is simply a version of channels get_channel_layer, but it raises an ImproperlyConfigured if the alias does not exist.
CurrentSiteMiddleware
A middleware that mimics django's CurrentSiteMiddleware. It adds a site key to the scope:
class EchoSiteConsumer(AsyncConsumer):
async def websocket_connect(self, event):
await self.send({
"type": "websocket.accept",
})
async def websocket_receive(self, event):
await self.send({
"type": "websocket.send",
"text": self.scope["site"],
})
application = ProtocolTypeRouter({
"websocket": AllowedHostsOriginValidator(
AuthMiddlewareStack(
CurrentSiteMiddleware(
URLRouter([
path("echo/", EchoSiteConsumer.as_asgi()),
])
)
)
),
})
License
channels-extensions is distributed under the terms of the MIT license.
1 maintainer
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