Python: Master the Art of Design Patterns

Abstract Factory

The Abstract Factory design pattern is a generalization of Factory Method. Basically, an Abstract Factory is a (logical) group of Factory Methods, where each Factory Method is responsible for generating a different kind of object [Eckel08, page 193].

A real-life example

Abstract Factory is used in car manufacturing. The same machinery is used for stamping the parts (doors, panels, hoods, fenders, and mirrors) of different car models. The model that is assembled by the machinery is configurable and easy to change at any time. We can see an example of the car manufacturing Abstract Factory in the following figure, which is provided by www.sourcemaking.com [j.mp/absfpat].

A software example

The django_factory package is an Abstract Factory ...