Use the Autobahnpython library in the Django project to achieve real -time communication

Use the Autobahnpython library in the Django project to achieve real -time communication In modern web applications, real -time communication has become an important part of user interaction and data transmission.Django is a high -end web application framework written in Python, and Autobahnpython is a powerful WebSockets and real -time application framework.This article will introduce how to use Autobahnpython libraries in the Django project to achieve real -time communication functions. First, make sure your Django project is set and run.If you haven't created the Django project yet, please use the following command to create a new Django project: django-admin startproject myproject Next, use the following command to install Autobahnpython class library: pip install autobahn[twisted] Autobahnpython depends on the Twisted asynchronous network framework, so we need to use the Twisted option for installation. After the installation is completed, we need to configure some Django projects.Open the settings.py file of the Django project and add the following code: python INSTALLED_APPS = [ ... 'myapp', ] CHANNEL_LAYERS = { 'default': { 'BACKEND': 'asgi_redis.RedisChannelLayer', 'CONFIG': { 'hosts': [('localhost', 6379)], }, 'ROUTING': 'myproject.routing.channel_routing', }, } Then add configuration information about ASGI and Redis in Channel_layers.We will use ASGI (ASYNCHRONOUS Server Gateway Interface) to achieve real -time functions and use Redis as a message agent. In the root directory of the project, create a new file called routing.py and add the following code: python from channels.routing import route channel_routing = [ route("websocket.receive", "myapp.consumers.websocket_receive"), route("websocket.disconnect", "myapp.consumers.websocket_disconnect"), route("websocket.connect", "myapp.consumers.websocket_connect"), ] Create a new file called consumers.py under the MyAapp folder, and add the following code: python from channels import Group def websocket_connect(message): Group('chat').add(message.reply_channel) message.reply_channel.send({"accept": True}) def websocket_receive(message): Group('chat').send({ 'text': message.content['text'], }) def websocket_disconnect(message): Group('chat').discard(message.reply_channel) The consumer function here is responsible for handling WebSockets connection, receiving and disconnecting operations.In the WebSocket_Connect function, we add the connected reply channel to the group named 'Chat', and accept the connection by sending "Accept": True.In the WebSocket_Receive function, we send the message received to 'Chat' Group, and discard the disconnected reply channel from the 'Chat' Group in the WebSocket_disconnect function. Next, we need to set some settings on Django's URL routing.In the urls.py file of the project, add the following code: python from django.conf.urls import url from myapp import views urlpatterns = [ ... url(r'^ws/$', views.ws_view), ] Under the Myapp folder, create a new file called Views.py, and add the following code: python from channels.handler import AsgiHandler def ws_view(request): return AsgiHandler(request) The WS_View function here uses the websockets request to process it through the Channels.Handler.asgihandler processor. Finally, create a new file called asgi.py in the top directory of the Django project, and add the following code: python import os from channels.asgi import get_channel_layer os.environ.setdefault("DJANGO_SETTINGS_MODULE", "myproject.settings") channel_layer = get_channel_layer() The ASGI.PY file here will ensure that our Django application runs normally in the ASGI server. Now you can start the Django development server and try to interact with real -time communication functions.Execute the following command in the terminal: python manage.py runserver Open the http: // localhost: 8000/ws/address in the browser to see the example of the real -time communication function operation. In this article, we have learned how to use the Autobahnpython library in the Django project to achieve real -time communication functions.We have the Django project, set up Autobahnpython and Twisted, and create Django view functions and consumer functions to process WebSockets connections and message transmission.This enables us to achieve real -time and real -time communication functions in Django applications. Please note that this is just an example, you can expand and customize according to your needs.To learn more about Autobahnpython and Django frameworks, as well as related configuration and programming code, it will help you better understand and use real -time communication functions.