Book Image

Django 3 By Example - Third Edition

By : Antonio Melé
Book Image

Django 3 By Example - Third Edition

By: Antonio Melé

Overview of this book

If you want to learn the entire process of developing professional web applications with Python and Django, then this book is for you. In the process of building four professional Django projects, you will learn about Django 3 features, how to solve common web development problems, how to implement best practices, and how to successfully deploy your applications. In this book, you will build a blog application, a social image bookmarking website, an online shop, and an e-learning platform. Step-by-step guidance will teach you how to integrate popular technologies, enhance your applications with AJAX, create RESTful APIs, and set up a production environment for your Django projects. By the end of this book, you will have mastered Django 3 by building advanced web applications.
Table of Contents (17 chapters)
15
Other Books You May Enjoy
16
Index

Creating a detail view for images

Let's now create a simple detail view to display an image that has been saved into your site. Open the views.py file of the images application and add the following code to it:

from django.shortcuts import get_object_or_404
from .models import Image
def image_detail(request, id, slug):
    image = get_object_or_404(Image, id=id, slug=slug)
    return render(request,
                  'images/image/detail.html',
                  {'section': 'images',
                   'image': image})

This is a simple view to display an image. Edit the urls.py file of the images application and add the following URL pattern:

path('detail/<int:id>/<slug:slug>/',
     views.image_detail, name='detail'),

Edit the models.py file of the images application and add the get_absolute_url() method to the Image model, as follows:

from django.urls import reverse
class Image(models...