python-tools

Async/await patterns with comprehensive error handling and resource cleanup for Python 3.13. PROACTIVELY activate for: (1) Implementing async API clients, (2) Creating concurrent data fetching, (3) Building async context managers, (4) Implementing retry logic, (5) Managing background tasks. Triggers: "async", "await", "asyncio", "concurrent", "aiohttp", "gather", "create_task", "timeout"

Pydantic V2 data modeling with strict mode enforcement for type safety. PROACTIVELY activate for: (1) Creating data models or schemas, (2) Validating API request/response types, (3) Building configuration classes, (4) Defining data contracts, (5) Implementing DTOs. Triggers: "pydantic", "BaseModel", "ConfigDict", "Field", "validator", "model_dump", "strict mode", "data model"

Modern pytest test structure with fixtures, parametrization, and the AAA pattern. PROACTIVELY activate for: (1) Writing new pytest test suites, (2) Creating test fixtures, (3) Implementing parametrized tests, (4) Testing async code, (5) Organizing tests with conftest.py. Triggers: "pytest", "test", "fixture", "parametrize", "mock", "assert", "conftest", "test coverage"

Modern Python 3.13 development patterns and syntax including async/await, pattern matching, and modern type annotations. PROACTIVELY activate for: (1) Writing new Python 3.13 modules, (2) Implementing async/concurrent operations, (3) Using structural pattern matching (match/case), (4) Creating decorators or context managers, (5) Working with generators. Triggers: "python patterns", "match case", "async await", "context manager", "decorator", "generator", "python 3.13"

Type hints best practices with mypy strict mode for Python 3.13. PROACTIVELY activate for: (1) Writing type annotations, (2) Configuring mypy, (3) Creating Generic types, (4) Defining Protocol interfaces, (5) Setting up CI type checking. Triggers: "type hints", "mypy", "typing", "Generic", "Protocol", "TypeAlias", "strict mode", "type checking"