The best way to understand Django's class-based views is to see it in Classy CBV, so pick your version and jump in at the deep end.

How does this site help?

To make things easier, we’ve taken all the attributes and methods that every view defines or inherits, and flattened all that information onto one comprehensive page per view. Check out UpdateView, for example.

If you’ve ever struggled to make sense of Django’s generic [C]lass [B]ased [V]Views, then this is the site for you.