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  • Book Overview & Buying Building SPAs with Django and HTML Over the Wire
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Building SPAs with Django and HTML Over the Wire

Building SPAs with Django and HTML Over the Wire

By : Andros Fenollosa
4 (7)
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Building SPAs with Django and HTML Over the Wire

Building SPAs with Django and HTML Over the Wire

4 (7)
By: Andros Fenollosa

Overview of this book

The HTML over WebSockets approach simplifies single-page application (SPA) development and lets you bypass learning a JavaScript rendering framework such as React, Vue, or Angular, moving the logic to Python. This web application development book provides you with all the Django tools you need to simplify your developments with real-time results. You’ll learn state-of-the-art WebSocket techniques to realize real-time applications with minimal reliance on JavaScript. This book will also show you how to create a project with Docker from the ground up, test it, and deploy it on a server. You’ll learn how to create a project, add Docker, and discover development libraries, Django channels, and bidirectional communication, and from then, on you’ll create real projects of all kinds using HTML over WebSockets as a chat app or a blog with real-time comments. In addition, you’ll modernize your development techniques by moving from using an SSR model to creating web pages using WebSockets over HTML. With Django, you’ll be able to create SPAs with professional real-time projects where the logic is in Python. By the end of this Django book, you’ll be able to build real-time applications, as well as gaining a solid understanding of WebSockets with Django.
Table of Contents (14 chapters)
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1
Part 1: Getting Started with Python
4
Part 2: WebSockets in Django
8
Part 3: HTML over WebSockets
11
Part 4: Simplifying the frontend with Stimulus

Creating temporary sessions for clients

To have unique sessions for each client, we will need to activate middleware that enables this feature. Channels provides us with SessionMiddlewareStack or AuthMiddlewareStack, which also include tools to build login or logout functionality. We will use AuthMiddlewareStack whenever we can.

We edit project_template/asgi.py as follows:

import django
 
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project_template.settings")
from django.conf import settings
django.setup()
from django.core.asgi import get_asgi_application
from channels.auth import AuthMiddlewareStack
from channels.routing import ProtocolTypeRouter, URLRouter
from django.urls import re_path
from app.app_template.consumers import ExampleConsumer
 
 
application = ProtocolTypeRouter(
    {
        # Django's ASGI application to handle traditional HTTP requests
     ...

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