Book Image

Django 1.2 E-commerce

By : Jesse Legg
Book Image

Django 1.2 E-commerce

By: Jesse Legg

Overview of this book

<p>Django is a high-level Python web framework that was developed by a fast-moving online-news operation to meet the stringent twin challenges of newsroom deadlines and the needs of web developers. It provides an excellent basis to build e-commerce websites because it can be deployed fast and it responds quickly to changes due to its ability to handle content problems. Django with its proven strengths is all you need to build powerful e-commerce applications with a competitive edge. <br /><br />This book explores how the Django web framework and its related technologies can power the next leap forward for e-commerce and business on the Web. It shows you how to build real-world applications using this rapid and powerful development tool.<br /><br />The book will enable you to build a high quality e-commerce site quickly and start making money. It starts with the ambitious task of using Django to build a functional e-commerce store in less than 30 minutes, and then proceeds to enhance this design through the rest of the book. The book covers the basics of an e-commerce platform like product catalogs, shopping carts, and payment processing. By the end of the book, you will be able to enhance the application by adding a fully-functional search engine, generating PDF-based reports, adding interactivity to the user-interface, selling digital goods with micropayments, and managing deployment and maintenance tasks.</p>
Table of Contents (16 chapters)
Django 1.2 e-commerce
Credits
About the Author
About the Reviewers
Preface
Index

Chapter 4. Building Payment Processors

The goal of this chapter is to extend the basic system we've designed so far with a more robust and flexible payment system. Currently we have a shopping cart design that is independent of our payment process. We convert the cart to a format that is compatible with the Google Checkout API and then we can submit our customer orders for payment. We will now extend this system to achieve several things:

  • Create a pluggable design so that payment systems can be reused, swapped out, or replaced

  • Migrate our simple Google Checkout processor to our new system

  • Discuss payment processors for Amazon FPS and PayPal services

  • Explore advanced Django and Python design concepts such as class-based generic views and callable objects

After we have built our generic payment system, implementing additional payment services such as Amazon and PayPal will be relatively straightforward.

An additional goal in this chapter is to build a system that is not constrained to the payment...