Python Refactoring and Code Quality

  1. Advanced Refactoring Strategies
    1. Performance-Oriented Refactoring
      1. Profiling and Bottleneck Identification
        1. cProfile Usage
          1. Line Profiler Application
            1. Memory Profiling Techniques
            2. Algorithmic Optimization
              1. Big O Analysis
                1. Data Structure Selection
                  1. Algorithm Replacement Strategies
                  2. Caching and Memoization
                    1. functools.lru_cache Usage
                      1. Custom Caching Strategies
                        1. Cache Invalidation Patterns
                        2. Lazy Evaluation Techniques
                          1. Generator Usage
                            1. Delayed Computation Patterns
                          2. Legacy Code Refactoring
                            1. Working with Untested Code
                              1. Safe Refactoring Techniques
                                1. Minimal Change Strategies
                                  1. Risk Assessment
                                  2. Seam Model Application
                                    1. Creating Testable Boundaries
                                      1. Dependency Breaking Techniques
                                        1. Legacy Code Testing Strategies
                                        2. Incremental Modernization
                                          1. Strangler Fig Pattern
                                            1. Branch by Abstraction
                                              1. Parallel Run Strategies
                                            2. Design Pattern Application
                                              1. Recognizing Pattern Opportunities
                                                1. Code Structure Analysis
                                                  1. Repetitive Pattern Identification
                                                  2. Strategy Pattern Refactoring
                                                    1. Encapsulating Algorithms
                                                      1. Eliminating Conditional Logic
                                                      2. Factory Pattern Implementation
                                                        1. Object Creation Abstraction
                                                          1. Dependency Management
                                                          2. Decorator Pattern Usage
                                                            1. Extending Behavior Dynamically
                                                              1. Cross-Cutting Concerns
                                                              2. Observer Pattern Application
                                                                1. Event-Driven Architecture
                                                                  1. Loose Coupling Implementation
                                                                  2. Command Pattern Refactoring
                                                                    1. Encapsulating Operations
                                                                      1. Undo/Redo Functionality
                                                                    2. Architectural Refactoring
                                                                      1. Layered Architecture Implementation
                                                                        1. Separation of Concerns
                                                                          1. Dependency Direction Management
                                                                          2. Microservice Extraction
                                                                            1. Identifying Service Boundaries
                                                                              1. Data Consistency Strategies
                                                                              2. Event-Driven Architecture
                                                                                1. Message Passing Patterns
                                                                                  1. Asynchronous Processing