Complete Beginners Guide to Django 2022

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Django is a very popular Python web application framework. It stands out as the best Python web application framework because of its batteries included nature and flexibilities. Django is high-level, and is built for developers by developers, so, the core parts (like security, authentication, etc.) have been taken care of by the framework, so that developers can focus on developing the custom web applications they want. For this reason, if you want to learn Django, then you will need the complete beginners guide to Django in 2022.

This complete beginners guide to Django 2022 is intended to teach you Django from beginner (no experience with Django) to advanced Django developer, step-by-step.

We have divided this complete beginners guide to Django (2022) into four sections, which are:

Introduction

Complete Beginners Guide to Django 2022

Bonus Reading

User Projects

Prerequisites to Learn Django

Before starting this complete beginners guide to Django, you do not need to have any knowledge of Django, as this complete beginners guide to Django aims at teaching you Django from beginner or non-programmer to advanced.

On the other hand, since Django is built on Python, the knowledge & concepts of programming, and Python is recommended.

What is Django?

Django Logo

Django is a full-stack open source high-level Python web application framework that emphasizes rapid (fast), clean, secure and maintainable web application development. It is written in Python, which means that your knowledge of Python can get you started with Django, and you can import and use any Python library directly into your Django projects. Django follows the MVT (Model View Template) architectural design pattern.

Django is built by experienced developers, for developers! It encourages reusability, rapid, less code and secure web application development. It follows the DRY – Do Not Repeat Yourself principle. When it comes to features, Django is often called the batteries-included framework, which means that it comes with everything you need to solve web application related problems.

As a batteries-included framework, Django comes with:

  • Builtin authentication system
  • Forms
  • Template layer
  • Session
  • Builtin administrator
  • Views
  • Models
  • etc

Django has a standard ORM (Object Relational Mapper) for querying databases, just like SQL (Structured Query Language), and it has an administrative panel (similar to phpMyAdmin), which allows you perform CRUD (Create, Read, Update and Delete) operations without writing any query.

Why Django?

Django is a powerful Python web application framework that encourages rapid web development by emphasizing reusability and DRY principle. It comes with all of the common features a web application would need.

Here are the reasons to use Django:

  • Encourages rapid (faster) development – Django’s goal is to allow developers create complex custom web applications that are supposed to take much time, really quickly. It emphasizes the DRY principle, which means Don’t Repeat Yourself! On the other-hand, Django comes with easy and quick ways to implement whatever feature web developers would want to.
  • Builtin admin panel/site – There is an admin interface that is built into Django. It allows you manage data, by performing CRUD (Create, Read, Update and Delete) operations without writing any line of code. The Django administrator is similar to phpMyAdmin.
  • Highly secure – The goal of Django is to allow developers write secure web applications. Django is engineered towards creating secure custom web applications. What this means is that Django manages the web security aspect of your web application, while you focus on creating the custom web application that you want.
  • It is suitable for any web application project – On like other server-side frameworks and programming languages, Django was designed to be completely suitable for any custom web application project that a developer would want to build, starting from simple to complex projects, like: eCommerce/online stores, social media sites, medical/healthcare softwares, accounting softwares, etc.
  • Written in Python – If you are a Python engineer, then you can easily get started with Django because it is written in Python programming language. Python is one of the most popular programming languages because of its extensiveness, availability of libraries & frameworks, and it easy-to-understand syntax compare to other programming languages. So, if you are learning Python or already a Python engineer, then you can get started with Django right-away!
  • Designed as a batteries-included web framework – Django is built by experienced developers, for developers! It is loved for the reason that it’s designed as a batteries-included web framework, which means that it comes with the common features developers will need to create custom web applications. Features like: authentication, session, security, form, etc.
  • Django is free and open source – Above all, Django is a free and open source software, which means that its source code is available for free, anyone can study and modify it. The open source nature of Django makes it have a very large community of developers backing it up!

So far, Django is considered the best Python framework for web development!

Django Tutorial Part 1: Introduction to Django

Django is a popular Python web application framework. It stands out as the best Python web application framework because of its batteries-included nature. Django is built for developers, by developers, so, the core parts (like security, authentication, etc.) have been taken care of by the framework, so that developers can focus on developing the custom web applications they want.

In this complete beginners guide to Django part 1, we will introduce you to Django, the Django architectural design pattern, popular sites using Django and many more.

Here are the key sections in part 1:

  • Prerequisites to Learn Django
  • What is Django?
  • Why Django?
  • Django MVT Architectural Design Pattern
  • What can Django Do?
  • Popular Sites Using Django
  • Where to Learn Django

In part 1, we will show you see Django Tutorial Part 1: Introduction to Django.

Django Tutorial Part 2: Installing Django in a Virtual Environment

In part 2 of this complete beginners guide to Django, we will show you how to install Python, virtual environment and Django.

Here are the key sections in part 2:

  • Downloading and Installing Python
  • Installing a Virtual Environment in Python
  • Installing Django in a Virtual Environment

See Django Tutorial Part 2: Installing Django in a Virtual Environment.

Django Tutorial Part 3: Creating An Hello, World! Site

In part 3, we will show you how to start a Django project, how to start a Django app, then go ahead and create our first website with Django (Hello, World! site).

Here are the key sections in part 3:

  • Starting a Django Project
  • Starting a Django App
  • Registering a Django App
  • Creating a Django Site (Hello World Site)
  • Creating a Django View
  • Mapping a Django View to a URL

In part 3, we will show you see Django Tutorial Part 3: Creating an Hello, World! Site.

Django Tutorial Part 4: Creating Models

To create a dynamic website (one that interacts with a database), one will have to learn SQL which stands for Structured Query Language, used for Creating, Reading, Updating and Deleting data (CRUD operation) in a table. Learning and mastering SQL requires a lot of time invested, because it comes with several complicated statements for each operation one would want to perform. Django solves this hassle by introducing the concept of models. Django models solve this problem by organizing models into tables, and mapping them into a database without writing any SQL query.

A model is an entity which is automatically turned into a database table. It is basically your database layout which is used to automatically generate database tables for your Django app. Django allows you to define models (database tables) in the models.py file of your Django app. Django uses models to create tables, database constraints and fields.

Here are the key sections in part 4:

  • What is a Django Model?
  • Creating a Model in Django (Syntax)
  • Django Model Methods
  • Creating Blog Models
  • Creating The Category Model
  • Creating The Article Model
  • Creating Migrations from Models
  • Migrating the Models
  • Django Fields
  • Django Relationship Fields
  • Django Field Options

In part 4, we will show you see Django Tutorial Part 4: Creating Models.

Django Tutorial Part 5: Django Admin Site

Django comes with a built-in interactive admin site which allows you perform Create, Read, Update and Delete (CRUD) operations on Django models. This admin site makes managing database records and performing CRUD operations a lot easier and faster without writing any database queries.

Here are the key sections in part 5:

  • What is the Django Admin Site?
  • Registering a Django Model
  • Creating a SuperUser Account
  • Logging-in to the Django Admin Site
  • Creating a Category Object
  • Editing the Category Object
  • Customizing the Django Admin Site
  • Adding List Filters to Django Admin Site

In part 5, we will show you see Django Tutorial Part 5: Working with Django Admin Site.

Django Tutorial Part 6: Making Queries (Django ORM)

The Django ORM is one of the best features of Django, because it provides an easy abstraction or layer to communicate with models. This means that you can easily communicate with the database and perform the standard CRUD operations using Django ORM alone. Django ORM comes with various APIs to Create, Read, Update and Delete without the need to learn SQL – Structured Query Language, which is the standard query language for communicating with databases.

Here are the key sections in part 6:

  • What is Django ORM?
  • What is a QuerySet?
  • Django ORM: Retrieving All Records from a Model
  • Django ORM: Retrieving a Single Record from a Model
  • Django ORM: Retrieving and Updating an Object
  • Django ORM: Saving an Object
  • Django ORM: Creating an Object
  • Django ORM: Deleting an Object
  • Django ORM: Filtering a QuerySet
  • Django ORM: Counting a QuerySet
  • Django ORM: Limiting a QuerySet
  • Django ORM: Ordering a QuerySet (Ascending and Descending)

In part 6, we will show you Django Tutorial Part 6: Making Queries (Django ORM).

Django Tutorial Part 7: Creating Views

Django views are Python functions or classes that receive a request and returns a response. A response can be a 404 error page, an HTML document (Template), a redirect, etc., while a request could be to display all articles, show user profile, show and image, etc. Just like models, views are an essential part of a Django application, because it can create, retrieve, update and delete from models. Views can also return an HTML template which is the User Interface (UI) users will interact with.

Here are the key sections in part 7:

  • What are Django Views?
  • What are Django Views Used for?
  • Creating the Homepage Views
  • Mapping Homepage Views to a URL
  • Creating Homepage Template File
  • Adding App Template Directory to the Template List
  • Creating Article and Category Views – List Views
  • Creating the List Views Templates
  • Creating Article & Category Views – Detail Views
  • Mapping Article & Category Detail Views to URLs
  • Creating Article & Category Detail Templates
  • Creating Article & Category Views – Delete Views
  • Mapping Article & Category Delete Views to URLs
  • Creating Article & Category Delete Templates
  • Adding a Delete Button to the Articles and Categories Section on the Homepage
  • Creating New Article & New Category Views – Create Views
  • Mapping Article and Category Create Views to URLs
  • Creating Article and Category Create View Templates
  • Creating Edit Article & Category Views – Edit Views
  • Mapping Article & Category Edit Views to URLs
  • Creating Article & Category Edit Templates

In part 7, we will show you see Django Tutorial Part 7: Creating Views.

Django Tutorial Part 8: Creating ModelForms

A ModelForm in Django is a class that helps you create a form from an existing Django model. It is a helper class that converts Django model fields into an actual form fields. When creating HTML forms, you will typically define the fields you want just like when you are creating models.

Django modelform allows you easily create forms from model fields. This means that an article model and an article form would use the same fields. Instead of creating a Django model and later creating a form separately, Django introduces modelforms which allows you easily create forms from models or convert models into forms.

Here are the key sections in part 8:

  • What is a ModelForm?
  • How to Create ModelForms (Syntax)
  • Creating Article & Category ModelForms
  • Using ModelForms in Views
  • Updating New Article & Category Templates
  • Using Crispy Forms to Style Django Forms
  • Updating Article & Category Views – Edit Views
  • Updating Edit Article & Category Templates
  • Adding Article & Category Edit Button to the Homepage & Detail Templates

In part 8, we will show you see Django Tutorial Part 8: Creating ModelForms.

Django Tutorial Part 9: Using Flash Messages (Messages Framework)

There are times you would want to display one-time notification messages to your users after submitting a form. These one-time notification messages are called flash messages.

Here are the key sections in part 9:

  • What is the Messages Framework?
  • Configuring the Messages Framework (Flash Messages)
  • The Messages Framework Message Tags
  • How to Use Flash Messages in Django (Messages Framework)
  • Adding Flash Messages to Views
  • Adding Flash Messages to the Article & Category Create Views
  • Adding Flash Messages to the Article & Category Edit Views
  • Adding Flash Messages to the Article & Category Delete Views
  • Adding Flash Messages to the Base Template
  • Adding Message Tags in Settings (Optional)

In part 9, we will show you see Django Tutorial Part 9: Using Flash Messages (Messages Framework).

Django Tutorial Part 10: User Authentication

There are also times that you will want to implement an authentication system; where users will have to create an account and login to be able to access some of the pages on your site. This is called user management & authentication. The good news about user authentication is that there is a builtin authentication system that comes with Django.

Here are the key sections in part 10:

  • Installing the Django Authentication App
  • How to use the Builtin Django Authentication App
  • Creating the Authentication Template
  • Creating the Login Template
  • Creating the Logout Template
  • Creating the Password Reset Template
  • Password Reset Form Template
  • Password Reset Done Template
  • Password Reset Email Template
  • Password Reset Confirm Template
  • Password Reset Complete Template
  • Creating the Signup Views
  • Guarding Views from Non-logged-in Users
  • Decorating the Create Views
  • Decorating the Edit/Update Views
  • Decorating the Delete Views
  • Updating Links
  • Updating the Navbar links
  • Adding User Management Links to the Navbar
  • Updating Homepage Links
  • Testing the Authentication Pages

In part 10, we will show you see Django Tutorial Part 10: User Authentication.

Bonus Reading

User Projects

To encourage and help improve your learning after you have completed this beginners guide to Django, we challenge you to build a portfolio website with Django by following the steps in this complete beginners guide to Django.

These are the requirement for building a portfolio with Django:

  • The homepage should display 10 of the most recent projects with a link to view all projects.
  • The view all project page should be paginated to 10 projects per page
  • The homepage as well as the all projects page, should have the project thumbnail and a link to the project detail page
  • The project detail page should also display the project image
  • Add a descriptive about me page. This page is intended to describe the developer/developers (if it is a collaboration) of the project

Once that is completed and deployed, send us the project link via our contact form, then we will rate your project, and your name & a link to your project will be published in this section (below).

The project requirement is clear, however, if you do not fully understand it, then reach us via our contact form.

For the challenge of building a portfolio with Django, here are the users who have submitted their projects:

  • There are currently no submitted projects at the moment!

Be the first to submit!

If this JovialGuide has helped you get started with Django, please share this guide to help us reach more users who maybe looking for the complete beginners guide to Django in 2022.

See other of our Django tutorials for more.

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