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Django 4 for the Impatient
Django 4 for the Impatient

Django 4 for the Impatient: Learn the core concepts of Python web development with Django in one weekend

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Profile Icon Greg Lim Profile Icon Daniel Correa
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$45.99
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8 (10 Ratings)
Paperback Jun 2022 190 pages 1st Edition
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$24.99 $36.99
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$45.99
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Arrow left icon
Profile Icon Greg Lim Profile Icon Daniel Correa
Arrow right icon
$45.99
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8 (10 Ratings)
Paperback Jun 2022 190 pages 1st Edition
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$24.99 $36.99
Paperback
$45.99
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Free Trial
Renews at $19.99p/m
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$24.99 $36.99
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Django 4 for the Impatient

Chapter 1: Installing Python and Django

Welcome to Django 4 for the Impatient! This book focuses on the key tasks and concepts to help you to learn and build Django applications fast. It is designed for readers who don't need all the details about Django except for concepts that you really need to know. By the end of this book, you will be confident creating your own Django projects.

So, what's Django? Django is a free, open source web framework for building modern Python web applications. Django helps you quickly build web apps by abstracting away many of the repetitive challenges involved in building a website, such as connecting to a database, handling security, enabling user authentication, creating URL routes, displaying content on a page through templates and forms, supporting multiple database backends, and setting up an admin interface.

This reduction in repetitive tasks allows developers to focus on building a web application's functionality rather than...

Technical requirements

In this chapter, we will be using Python 3.8+ and pip.

The code for this chapter is located at https://github.com/PacktPublishing/Django-4-for-the-Impatient/tree/main/Chapter01/moviereviews.

Understanding the app we will be building

For our project, we will be building a movie reviews app that will allow users to view and search for movies, as shown in Figure 1.1:

Figure 1.1 – A home page with search functionality

Users will also be able to log in and post reviews of any movies they may have watched, as shown in Figure 1.2:

Figure 1.2 – A movie page listing reviews

They will be able to type in and add their review, as shown in Figure 1.3:

Figure 1.3 – An interface for writing a review

Users can see the list of reviews on a movie's page and post, edit, or delete their own review if they are logged in. They will not be able to edit or delete other users' reviews though. Through building this app, we will learn a lot of concepts, such as forms, user authorization, permissions, foreign keys, and more.

Let's begin by installing Python and Django.

Installing Python

First, let's check whether we have Python installed and, if so, what version we have.

If you are using a Mac, open your Terminal. If you are using Windows, open Command Prompt. For convenience, I will refer to both Terminal and Command Prompt as Terminal throughout the book.

We will need to check whether we have at least Python 3.8 in order to use Django 4. To do so, go to your Terminal and run the following commands.

For macOS, run this:

python3 --version

For Windows, run this:

python --version

This shows the version of Python you have installed. Make sure that the version is at least 3.8. If it isn't, get the latest version of Python by going to https://www.python.org/downloads/ and installing the version for your OS. For Windows, you must select the Add Python 3.* to PATH option, as shown in Figure 1.4:

Figure 1.4 – Install Python on Windows

After the installation, run the command again to check the...

Installing Django

We will be using pip to install Django. pip is the standard package manager for Python to install and manage packages not part of the standard Python library. pip is automatically installed if you downloaded Python from https://www.python.org/.

First, check whether you have pip installed by going to the Terminal and running the following.

For macOS, run this:

pip3

For Windows, run this:

pip

If you have pip installed, the output should display a list of pip commands. To install Django, run the following command:

For macOS, run this:

pip3 install Django==4.0

For Windows, run this:

pip install Django==4.0

The preceding command will retrieve the latest Django code and install it on your machine. After installation, close and reopen your Terminal.

Ensure you have installed Django by running the following commands.

For macOS, run this:

python3 -m django

For Windows, run this:

python -m django

Now, the output will show...

Running the Django local web server

In the Terminal, cd into the created folder:

cd moviereviews

Then, run the following.

For macOS, run this:

python3 manage.py runserver

For Windows, run this:

python manage.py runserver

When you do so, you start the local web server on your machine (for local development purposes). There will be a URL link: http://127.0.0.1:8000/ (equivalent to http://localhost:8000). Open the link in a browser and you will see the default landing page, as shown in Figure 1.6:

Figure 1.6 – The landing page of the Django project

This means that your local web server is running and serving the landing page. Sometimes, you will need to stop the server in order to run other Python commands. To stop the local server, press Ctrl + C in the Terminal.

Summary

In this chapter, you learned how to install and use Python, pip, and Django. You also learned how to create a new Django project and run a Django local web server. In the next chapter, we will look inside the project folder that Django has created for us to understand it better.

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Key benefits

  • Develop web applications with Python and Django quickly
  • Understand Django features with short explanations and learn how to use them right away
  • Create a movie reviews app with a responsive user interface and deploy it to the cloud

Description

Learning Django can be a tricky and time-consuming activity. There are hundreds of tutorials, loads of documentation, and many explanations that are hard to digest. However, this book enables you to use and learn Django in just a couple of days. In this book, you’ll go on a fun, hands-on, and pragmatic journey to learn Django full stack development. You'll start building your first Django app within minutes. You'll be provided with short explanations and a practical approach that cover some of the most important Django features, such as Django Apps’ structure, URLs, views, templates, models, CSS inclusion, image storage, authentication and authorization, Django admin panel, and many more. You'll also use Django to develop a movies review app and deploy it to the internet. By the end of this book, you'll be able to build and deploy your own Django web applications.

Who is this book for?

This book is for Python developers at any level of experience with Python programming who want to build full-stack Python web applications using Django. The book is for absolute Django beginners.

What you will learn

  • Understand and implement Django Apps' basic structure, including URLs, views, templates, and models
  • Add bootstrap to improve the aesthetics of the site
  • Create your own custom pages and have different URLs to route to them
  • Navigate between pages by adding a header bar to all pages
  • Work with databases and models
  • Explore the powerful built-in admin interface with Django
  • Use Django's powerful, built-in authentication system
  • Deploy your Django project on the internet for the world to use
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Length: 190 pages
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Length: 190 pages
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ISBN-13 : 9781803245836
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Table of Contents

13 Chapters
Chapter 1: Installing Python and Django Chevron down icon Chevron up icon
Chapter 2: Understanding the Project Structure and Creating Our First App Chevron down icon Chevron up icon
Chapter 3: Managing Django URLs Chevron down icon Chevron up icon
Chapter 4: Generating HTML Pages with Templates Chevron down icon Chevron up icon
Chapter 5: Working with Models Chevron down icon Chevron up icon
Chapter 6: Displaying Objects from Admin Chevron down icon Chevron up icon
Chapter 7: Understanding the Database Chevron down icon Chevron up icon
Chapter 8: Extending Base Templates Chevron down icon Chevron up icon
Chapter 9: Creating a Movie Detail Page Chevron down icon Chevron up icon
Chapter 10: Implementing User Signup and Login Chevron down icon Chevron up icon
Chapter 11: Letting Users Create, Read, Update, and Delete Movie Reviews Chevron down icon Chevron up icon
Chapter 12: Deploying the Application to the Cloud Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

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Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8
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4 star 20%
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Luis Contreras Aug 21, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
El libro es excelente, y los ejercicios se puede seguir con mucha facilidad. Aprendí cosas bien básicas que me ayudaron a tener las bases para seguir aprendiendo Django.
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chris Adams Mar 18, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I have been programming primarily PHP for 20 years. Thought I would pick up some Python. It is not a very deep text but it is not trying to be. I got a great overview of Django in a few hours and was able to relate the concepts to tools that I was familiar with (basically it is a lot like Laravel). Thanks!
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Venu Gopal Kadamba Jul 19, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book can definitely help the reader to get started with Django, and understand the internals of Django by working on an amazing responsive application.
Amazon Verified review Amazon
Roark Jun 15, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The book is thinner than expected, at under 200 pages, however it seems to lay everything out that is needed to get things up and running with Python and Django.Unlike so many books I have tried in recent years, this book sticks to the subject at hand without overwhelming the reader with too many details all at once. Instead, a Web App is built up little by little with each chapter, with a good explanation of the reason each step is taken along the way.There isn't a lot of personality in the way of a for Dummies series, but the subject of building a useful Web App while coming up to speed with Django is presented in a very professional manner. It's like being able to drop in on a very helpful, to-the-point seminar any time you feel like it, and coming away with the knowledge and confidence that is needed to follow through. Bravo!
Amazon Verified review Amazon
Jeff Mahoney Jul 11, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I really liked that this book was printed in color. How often do you get excited to read a new coding textbook only to find it’s written in black and white. This book is really concise and helpful. Great for the novice programmer! Also enjoyed that it’s projects based which I found unique.
Amazon Verified review Amazon
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