Design Pattern in Python

Authors: Rahul Verma, Chetan Giridhar
This book is about learning design patterns through the medium of Python language. If you are a tester interested in design of test automation frameworks or thinking about how a single test automation problem could be solved in different ways, this book would prove to be very useful. If you are new to design patterns being a programmer or you want to explore OOP in Python further, this text provides the first building blocks.

http://dpip.testingperspective.com/