Django

Django is a free and open-source Python web framework that follows the model-template-views (MTV) architectural pattern. It is known for its “batteries-included” philosophy, providing developers with a vast array of tools and features needed for building robust web applications out of the box.

Info

Django’s primary goal is to simplify the creation of complex, database-driven websites. It emphasizes reusability of components, less code, and rapid development.

Core Philosophy

• Batteries-Included: Django provides built-in solutions for common web development tasks, including an ORM, admin interface, authentication, and more.
• Don’t Repeat Yourself (DRY): The framework is designed to help developers reuse code and avoid redundancy.
• Convention over Configuration: Django makes assumptions about the best way to do things, which helps speed up development by reducing the number of decisions a developer needs to make.

Key Features

• Object-Relational Mapper (ORM): Allows you to interact with your database, like PostgreSQL or SQLite, using Python code instead of writing raw SQL.
• Admin Interface: Django automatically generates a production-ready admin interface for managing your application’s data.
• Authentication and Permissions: Includes a built-in user authentication system with support for permissions and groups.
• Template Engine: A powerful template language for generating HTML dynamically.
• Security: Provides built-in protection against common security threats like Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and SQL injection.

The Model-Template-Views (MTV) Pattern

Django’s architecture consists of three main parts:

• Model: The single, definitive source of your data. It defines the data structure and behavior.
• View: The business logic layer. A view receives an HTTP request, processes it, and returns an HTTP response.
• Template: The presentation layer. It defines the structure of a page and how data from the view should be displayed.

Getting Started

# Install Django
pip install Django
 
# Create a new project
django-admin startproject myproject
 
# Create a new app within the project
cd myproject
python manage.py startapp myapp
 
# Run the development server
python manage.py runserver

Django is a powerful and mature framework ideal for building content-heavy, scalable, and secure web applications. Its comprehensive feature set and excellent documentation make it a popular choice for projects ranging from content management systems to social networks.