OpenSlides/openslides/routing.py

from channels.routing import ProtocolTypeRouter, URLRouter
from django.conf.urls import url

from openslides.utils.consumers import ProjectorConsumer, SiteConsumer
from openslides.utils.middleware import AuthMiddlewareStack


application = ProtocolTypeRouter({
    # WebSocket chat handler
    "websocket": AuthMiddlewareStack(
        URLRouter([
            url(r"^ws/site/$", SiteConsumer),
            url(r"^ws/projector/(?P<projector_id>\d+)/$", ProjectorConsumer),
        ])
    )
})