Python in Practice: Create Better Programs Using Concurrency, Libraries, and Patterns

3. Behavioral Design Patterns in Python

§3.1. Chain of Responsibility Pattern

§3.1.1. A Conventional Chain

§3.1.2. A Coroutine-Based Chain

§3.2. Command Pattern

§3.3. Interpreter Pattern

§3.3.1. Expression Evaluation with eval()

§3.3.2. Code Evaluation with exec()

§3.3.3. Code Evaluation Using a Subprocess

§3.4. Iterator Pattern

§3.4.1. Sequence Protocol Iterators

§3.4.2. Two-Argument iter() Function Iterators

§3.4.3. Iterator Protocol Iterators

§3.5. Mediator Pattern

§3.5.1. A Conventional Mediator

§3.5.2. A Coroutine-Based Mediator

§3.6. Memento Pattern

§3.7. Observer Pattern

§3.8. State Pattern

§3.8.1. Using State-Sensitive Methods

§3.8.2. Using State-Specific Methods

§3.9. Strategy Pattern

§3.10. Template Method Pattern

§3.11. Visitor Pattern ...