January 2015
Intermediate to advanced
212 pages
4h 22m
English
Content preview from Mastering Python Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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 ...
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