Beginner's Guide to Django Development

Aug 21, 2024

Django Course Notes

Introduction to Django

  • Learn to build websites from the ground up using Django.
  • Starting as absolute beginners.
  • Focus on core features of Django: rendering templates, working with databases, authentication, and search.
  • Project is similar to a Discord clone for study groups.

Course Structure

  • Basics of Django and building a simple website.
  • Adding features to enhance the application.
  • Final product demo available at studybud.dev.

Prerequisites

  • Basic understanding of Python syntax (variables, loops, functions, classes).
  • Basic knowledge of HTML and CSS.

What is Django?

  • Python-based web framework used for back-end development.
  • Fast web development with pre-configured structure ("batteries included" approach).
  • Follows MVT design pattern (Model View Template).
  • Comparison to other frameworks:
    • Flask (lightweight, more customizable, less opinionated)
    • Ruby on Rails (similar to Django)
    • Laravel (similar for PHP)

Features of Django

  • Great for building various applications (e-commerce sites, social networks, APIs).
  • Many well-known companies use Django (Pinterest, Spotify, Dropbox, etc.).

Setting Up Django Environment

  • Ensure the latest version of Python is installed.
  • Create a virtual environment for Django projects.
  • Install Django using pip.

Django Project Setup

  • Start a new Django project using django-admin startproject <project_name>.
  • Create a Django app using python manage.py startapp <app_name>.

Creating Models

  • Define models in models.py for the database (e.g., Room, Message).
  • Use Django's built-in ORM to manage database interactions (create, read, update, delete).

User Authentication

  • Users can register, log in, and log out.
  • Use Django's built-in authentication system.
  • Create a user profile with additional fields (name, bio, avatar).

Templates

  • Use Django's template engine for dynamic HTML rendering.
  • Create components for reusability (e.g., Activity Feed, Topic List).

API Creation

  • Install Django REST framework for building APIs.
  • Create views for providing JSON responses.
  • Use serializers to convert model instances to JSON format.

User Profile

  • Create views for displaying user profiles and their activities.
  • Allow users to update their profiles and view their messages.

Styling and Themes

  • Use external themes for styling.
  • Incorporate CSS and JavaScript files.
  • Learn to manage static files (images, stylesheets).

Final Touches

  • Ensure all links are correctly routed.
  • Allow users to search through rooms and participants.
  • Finalize user experience with proper redirects and error handling.

Conclusion

  • Complete understanding of Django and web development basics.
  • Ability to build and enhance web applications using Django.