Rapid Web Applications with TurboGears: Using Python to Create Ajax-Powered Sites

Chapter 6.3. Exploring the WhatWhat Status Model

Now that you have a picture of how WhatWhat Status works, let’s take a look at the code. The authors of WhatWhat Status have built a significantly more complicated database structure than our Bookmarker application, and although there should be plenty of familiar looking code, we also find quite a few new TurboGears features. In general, I find that if I start my code reviews by trying to understand the data model and working my way up through the controllers to the front end templates, I understand everything better. Here’s a picture of the WhatWhat Status data model:

Figure 6.4. WhatWhat Status data diagram

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As you can see, there’s actually quite a bit going on in ...