Mastering Python Design Patterns - Second Edition

Real-world examples

The façade pattern is quite common in life. When you call a bank or a company, you are usually first connected to the customer service department. The customer service employee acts as a façade between you and the actual department (billing, technical support, general assistance, and so on), and the employee that will help you with your specific problem.

As another example, a key used to turn on a car or motorcycle can also be considered a façade. It is a simple way of activating a system that is very complex internally. And, of course, the same is true for other complex electronic devices that we can activate with a single button, such as computers.

In software, the django-oscar-datacash module is a Django third-party ...