This code has absolutely no API documentation and it's not that easy to understand what needs to be done in order to implement a non relational backend.
Agreed that docs would be nice. This is on the more advanced side of things. You're better off reading the code because you need a good understanding of it and of django's ORM as well.
This code has absolutely no API documentation and it's not that easy to understand what needs to be done in order to implement a non relational backend.