book

Beginning Django E-Commerce

Name: Beginning Django E-Commerce
Author: JIM McGaw
ISBN: 9781430225355

by JIM McGaw

October 2009

Beginner

407 pages

13h 29m

English

Apress

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Copyright
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Who This Book Is ForThe Web Sites In This BookSource Code and Errata
1. Best Laid Plans
1.1. Selling Stuff Online1.2. Why Django?1.2.1. Straying From the Django Philosophy1.2.2. A Quick Word on the Software1.2.3. A Note on Version Control1.2.4. Firefox1.3. Installing the Software1.3.1. Installing Python1.3.2. Installing Django1.3.3. Installing MySQL1.3.4. Installing Eclipse and the PyDev Extensions1.4. Things to Consider Before You Start1.4.1. Security1.4.2. Accessibility1.4.3. PCI Compliance1.4.4. Search Engine Optimization1.4.5. Deployment1.5. Business Requirements1.5.1. Accounting & Auditing1.5.2. Supply Chain Management1.5.3. Marketing Decisions1.6. Summary
2. Creating a Django Site
2.1. A Django-istic Welcome2.1.1. Creating the Project2.1.2. What Django Creates2.2. Creating the MySQL Database2.3. Dealing with Django Exceptions2.4. Template & View Basics2.5. Advanced Templates with Inheritance2.6. Greater Ease with render_to_response()2.7. Adding in the CSS2.8. Location, Location, Location2.9. A Site Navigation Include2.10. A Word (or Two) About URLs2.11. Summary
3. Models for Sale
3.1. Databases 1013.1.1. An Introduction To SQL3.1.2. What Makes a Relational Database3.2. What Django Gives You – The ORM3.3. Creating the Catalog App3.4. Creating the Django Models3.4.1. Model Field Data Types3.4.2. Creating the Category Model3.4.3. Creating the Product Model3.5. The Django Admin Interface3.5.1. Product and Category Admins3.5.2. A Note on Model Validation3.5.3. Syncing Up the Models3.5.4. Playing with Model Structure and Data3.6. Templates, URLs, and Views3.6.1. Configuring Page Titles and Meta Tags3.6.2. Coding Up the Catalog Views3.6.3. Creating the Template Files3.6.4. A Category Link List3.7. Our Code in Review3.7.1. So How Does It All Work?3.7.2. File Not Found and Custom 404s3.8. Summary
4. The Shopping Cart
4.1. Shopping Cart Requirements4.2. An Introduction to Sessions4.2.1. The Shopping Cart Model4.2.2. Django Sessions Overview4.2.3. Enabling and Using Sessions4.3. Using Django Forms4.3.1. The Add To Cart Form4.3.2. Processing the Form4.3.3. Putting It All Together4.3.4. Cart Form Code in Review4.4. Creating the Shopping Cart Page4.4.1. Django Template 'if' and 'for' Tags4.4.2. Custom Template Filters4.4.3. Creating the Cart Page4.5. Adding Custom Template Tags4.5.1. Re-creating the Category List Tag4.5.2. Static Content with Flatpages4.5.3. Navigation Tags4.6. Summary
5. Site Checkout & Orders
5.1. Google Checkout API5.1.1. Signing up with Google Checkout5.1.2. Submitting Orders to Google5.1.3. Building XML Documents in Python5.1.4. Making HTTP Requests in Python5.1.5. Your Google Merchant ID and Key5.1.6. The Python Property Decorator5.1.7. Creating the Checkout App5.2. Order Checkout Requirements5.2.1. SSL Middleware5.2.2. DRY Models and Forms5.2.3. Secure HTTP Requests5.2.4. Credit Card Transactions5.3. Order Checkout by Django5.3.1. Signing up for an Authorize.Net Test Account5.3.2. Order Information Models5.3.3. The Checkout Form5.3.4. Authorization and Capture5.3.5. Order Processing5.3.6. Checkout Views and URLs5.3.7. Checkout Template and Order Form5.3.8. Order Administration5.4. Summary

6. Creating User Accounts
6.1. Making Friends with the Source6.2. Hooking Into Django's Authentication6.2.1. Creating the Login & Registration Pages6.2.2. The My Account Page6.2.3. The Change Password Page6.2.4. The Order Details Page6.3. Django User Profiles6.3.1. Abstract Base Classes6.3.2. The Order Info Page6.3.3. Updating the Checkout Page6.4. Summary
7. Product Images
7.1. Dealing with Images7.1.1. Django Image Fields7.1.2. Installing the Python Imaging Library7.1.3. Database Changes7.1.4. Editing the Model7.1.5. Adding a New Image7.2. Image Template Changes7.3. Summary
8. Implementing Product Search
8.1. Instant Search8.1.1. Search Requirements8.1.2. Model Managers8.1.3. Complex Lookups with Q8.1.4. Search Results Pagination8.1.5. Implementing Search8.1.6. The Search Module8.1.7. Search Template Tags8.1.8. Search View and Template8.2. Third-Party Search Solutions8.3. Summary
9. Intelligent Cross-Selling
9.1. Product Page Recommendations9.1.1. Order-Based Filtering9.1.2. Customer-Based Order Filtering9.1.3. A Hybrid Approach9.2. Home Page Recommendations9.2.1. Tracking Each User9.2.2. Dealing with Searches9.2.3. View-Based Recommendations9.3. Building the Homepage9.4. Summary
10. Adding in Ajax
10.1. The Ajax Pros and Cons10.2. How Ajax Works10.3. jQuery for Ajax10.3.1. Getting jQuery10.3.2. jQuery Basics10.3.3. JavaScript Object Notation10.3.4. Making Ajax Requests10.4. Product Reviews10.4.1. Review Model and Form10.4.2. Template and View Changes10.4.3. The Ajax Part of this Equation10.4.4. Adding a Product Review10.5. Product Catalog Tagging10.5.1. Getting Django-Tagging10.5.2. Django Content Types10.5.3. Enabling Product Tagging10.5.4. Creating the Tag Cloud10.6. JavaScript Finishing Touches10.7. Summary
11. Search Engine Optimization
11.1. The Importance of Inbound Links11.2. Content Is King11.2.1. Title and Meta Tags11.2.2. Keywords in URLs11.2.3. Generating a Keyword List11.2.4. The Duplicate Content Problem11.2.5. Semantic Web - Microformats & RDFa11.3. Launching the Site11.3.1. Submit Your URL11.3.2. robots.txt File11.3.3. Sitemaps for Search Engines11.3.4. Content Relocation11.4. Google Webmasters11.5. Google Analytics11.5.1. The Data Warehouse Principle11.5.2. Signing Up for Google Analytics11.5.3. E-Commerce and Search Tracking11.6. Google Base Product Feed11.7. 500 Server Errors11.8. Summary
12. Web Security Overview
12.1. Securing the Site From Within12.1.1. Django Permissions12.1.2. Applying Permissions to Users12.1.3. Applying Permissions to Groups12.2. Protecting Against External Attacks12.2.1. The Evils of Debug Mode12.2.2. Configuring Local Settings12.2.3. Customer Registration Revisited12.2.4. Cross-Site Scripting Attacks12.2.5. What's in a QueryString?12.2.6. Cross-Site Request Forgery12.2.7. SQL Injection12.2.8. Moving the Admin Interface12.3. Storing Secrets12.3.1. Storing Customer Passwords12.3.2. Storing Credit Card Data12.3.3. Symmetric Cryptography12.3.4. Google Keyczar12.3.5. A Credit Card Model and Form12.4. Summary
13. Improving Performance
13.1. The Database13.1.1. Searching your Models13.1.2. Avoiding Expensive Joins13.1.3. Creating Database Indexes13.1.4. Deleting Old Data13.2. Caching with Memcached13.2.1. The Virtue of Stale Data13.2.2. Template Caching13.2.3. The Low-Level Cache API13.2.4. Django Signals for Cache Invalidation13.2.5. A Quick Word about Django Signals13.3. Front-End Engineering13.3.1. Move CSS and JavaScript Into Separate Files13.3.2. Reduce the Number of External Components13.3.3. Optimize External Components13.4. Summary
14. Django Testing
14.1. Why We Test14.1.1. How to Test Code14.1.2. Creation of the Test Database14.1.3. Python & Django Test Methods14.1.4. Anatomy of a Test Class14.2. Testing the Product Catalog14.2.1. Writing Functional Tests14.2.2. Managing Test State with Fixtures14.2.3. Category Testing14.2.4. Testing the ActiveProductManager14.3. Product Catalog Model Tests14.4. Testing Forms & Shopping Cart14.5. Testing the Checkout Form14.6. Security Testing14.7. Summary
15. Deployment
15.1. The Django Philosophy15.2. Finding a Hosting Plan15.3. Phase One: Apache and mod_wsgi15.3.1. Installing the Apache Web Server15.3.2. Creating the mod_wsgi File and Apache Virtual Host15.4. Phase Two: Nginx for Static Media15.4.1. Installing and Configuring NginX15.5. Updating the Apache Virtual Host15.6. Phase Three: Configuring SSL15.7. Transferring Data with Django15.8. The Admin Interface Styles15.9. Summary
16. Django on Google App Engine
16.1. The Inconvenient Truth16.2. Signing Up For An Account16.3. The Django App Engine Patch16.4. Getting the Test Page Running16.5. Our Google App Engine Store16.6. The Brubeck Shopping Cart App16.7. Views and Templates16.8. Managing Database Indexes16.9. Error Logs, Remote Data API, and Network Programming16.10. Summary

Content preview from Beginning Django E-Commerce

Chapter 7. Product Images

Every now and then, I'm surfing the Internet, price shopping for a particular item using Google Shopping (which used to be called "Froogle," until they realized that people weren't able to figure out what the heck "Froogle" was or how it was supposed to be used) or some other comparison-shopping engine. Now, the stuff that I'm shopping for is pretty standardized. Most of what I buy is computer books, and for the most part, if the site has the ISBN number correct, you can probably order it and you'll get the book you were hoping to get.

Most of the listings have an image for each product, and some do not. I don't remember ever clicking on an item that didn't have a product image listed. Standardized or not, I never really ...

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Beginning Django E-Commerce

by JIM McGaw

Chapter 7. Product Images

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