Django Functions


From Cart to Checkout: How Django Elevates E-commerce

Django, the powerful Python-based web framework, is highly suitable for creating robust e-commerce websites. It offers a clean and pragmatic design, promoting rapid development and clean, reusable code. E-commerce platforms require a mix of functionalities, including product management, user authentication, payment processing, and more. In this post, we’ll explore how Django serves as the foundation for building modern online stores and provide a few illustrative examples.

From Cart to Checkout: How Django Elevates E-commerce

1. Introduction to Django for E-commerce

The features that make Django perfect for e-commerce applications are:

– Admin Interface: Django offers a built-in admin interface, which can be an excellent starting point for managing products, orders, and customers.


– Scalability: Django can handle large numbers of users and products, which is essential for growing e-commerce platforms.


– Security: It has built-in protections against various web vulnerabilities like CSRF, SQL injections, and XSS attacks.


– Extensibility: Django’s modular design allows the integration of a plethora of third-party apps to extend the functionality of an e-commerce site.

2. Building Basic E-commerce Features with Django

2.1. Product Management

You can model products using Django’s ORM. Here’s a basic product model:

from django.db import models

class Product(models.Model):
    title = models.CharField(max_length=200)
    description = models.TextField()
    price = models.DecimalField(max_digits=6, decimal_places=2)
    inventory = models.IntegerField()
    image = models.ImageField(upload_to='products/')

    def __str__(self):
        return self.title

This model can be registered with the Django admin to manage products efficiently.

2.2. User Authentication

Django’s built-in `auth` module provides functionalities for user authentication. With a few lines of code, you can implement registration, login, and logout functionalities. 

2.3. Shopping Cart

A shopping cart can be represented as a dictionary where keys are product IDs, and values are quantities. This can be stored in Django’s session framework.

def add_to_cart(request, product_id):
    cart = request.session.get('cart', {})
    cart[product_id] = cart.get(product_id, 0) + 1
    request.session['cart'] = cart
    return redirect('cart_view')

2.4. Payment Processing

Integrating third-party payment gateways like Stripe or PayPal can be done using Django packages such as `dj-stripe` or `django-paypal`.

3. Example E-commerce Platforms built with Django

3.1. Saleor

An open-source platform, Saleor provides a modern e-commerce storefront. It’s powered by a GraphQL API and is written entirely in Python/Django. With a rich set of features, like customizable products, multiple payment gateways, and extensive documentation, Saleor can be an excellent choice for those diving deep into e-commerce.

3.2. Oscar

Oscar is a flexible and extensible Django app, used by companies of varying sizes. It offers a comprehensive dashboard for managing products, stock, and orders. The modular system of Oscar enables developers to replace or extend any part of the core functionalities.

3.3. Shuup

Another open-source solution, Shuup, can cater to single-vendor shops to large multi-vendor platforms. It comes with customizable modules, extensive APIs, and multi-language support.

4. Extending Django for E-commerce

While Django offers a great start, for a feature-rich e-commerce experience, one often needs third-party applications. Here are some recommended extensions:

– Django Allauth: For enhanced user authentication.


– Django Crispy Forms: To style and work with forms effortlessly.


– Django Parler: For multi-language support.

5. Tips for Building E-commerce Websites with Django

  1. Opt for Progressive Web Apps (PWA): E-commerce platforms benefit from PWA features, like offline browsing and push notifications.


  1. Prioritize Security: Always keep Django and other dependencies up to date. Use Django’s `check` command to discover potential security vulnerabilities.


  1. Optimization: Use tools like Django Debug Toolbar to pinpoint bottlenecks and optimize database queries.


  1. Backup: Ensure that product data, user data, and transactions are regularly backed up.


Django’s robust features and the expansive ecosystem make it a prime choice for e-commerce web applications. With a wealth of third-party apps and a supportive community, building an online store with Django is both feasible and efficient. Whether you’re a budding entrepreneur or an established business, Django offers the tools and scalability you need to succeed in the digital marketplace.

Previously at
Flag Argentina
time icon
Experienced Full-stack Developer with a focus on Django, having 7 years of expertise. Worked on diverse projects, utilizing React, Python, Django, and more.