# 报错原因：

"""

django版本过低， 卸载最新版本的 channels 使用2.x 版本的

"""

pip3 uninstall channels

"""

Django 1.11.15 版本不支持最新的 channels

"""

pip3 install channels==2.1.4

# 添加APP

INSTALLED_APPS = [

    'django.contrib.admin',

    'django.contrib.auth',

    'django.contrib.contenttypes',

    'django.contrib.sessions',

    'django.contrib.messages',

    'django.contrib.staticfiles',

    'channels',

    "app01.apps.App01Config",

]

# 其他配置文件 ...

# ASGI 的路由设置

ASGI_APPLICATION = 'ChannelDemo.routing.application'

CHANNEL_LAYERS = {

    "default": {

        "BACKEND": "asgiref.inmemory.ChannelLayer",

        "ROUTING": "ChannelDemo.routing.channel_routing",

    },

}

# 在项目settings文件同级目录中新增routing.py

from channels.auth import AuthMiddlewareStack

from channels.routing import ProtocolTypeRouter, URLRouter

import app01.routing

application = ProtocolTypeRouter({

    'websocket': AuthMiddlewareStack(

        URLRouter(

            app01.routing.websocket_urlpatterns  # 指明路由文件是app01.routing.py

        )

    ),

})

from django.conf.urls import url

from . import consumers

websocket_urlpatterns = [

    url(r'^ws/deploy/(?P<service_name>[^/]+)/$', consumers.DeployResult),

    url(r'^ws/$', consumers.ws),

]