python

name	python
description	Python coding standards, patterns, and best practices. Use when writing, reviewing, or refactoring Python code.
paths	["**/*.py","**/pyproject.toml","**/requirements*.txt"]
compatibility	Python 3.9+
allowed-tools	Bash(python *) Bash(uv *) Bash(uvx ruff *) Bash(uvx pyright *) Bash(uvx pytest *)

Python Skill

Covers Python development standards: clean code, design patterns, testing, static analysis, concurrency, and IPC.

Topic Files

File	Contents
clean-code.md	PEP 8, naming, type hints, docstrings, anti-patterns
patterns.md	Strategy, Observer, Decorator, Context Manager, dataclasses
testing.md	Pytest, fixtures, parametrize, mocking, coverage config
static-analysis.md	Ruff + Pyright config, pyproject.toml examples
parallel.md	Threading, multiprocessing, asyncio, race conditions
ipc.md	HTTP/REST, WebSockets, multiprocessing queues, Redis

Quick Reference

Convention	Rule
Modules/packages	lowercase_with_underscores
Classes	PascalCase
Functions/variables	lowercase_with_underscores
Constants	UPPER_SNAKE_CASE
Private members	_leading_underscore
Type hints	Required on all public functions
Line length	88 chars (Ruff default)

Key Tools

• Package manager: uv (not pip)
• Linter/formatter: Ruff
• Type checker: Pyright
• Testing: pytest + pytest-cov
• Mutation testing: mutmut