# Cursor Rules: Python — Clean Code with AI

> Cursor rules for Python development. Enforces PEP 8 style, type hints, docstrings, pytest patterns, and modern Python 3.12+ idioms.

## Install

Save in your project root:

## Quick Use

Create `.cursor/rules/python.mdc` in your project root.

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## Intro

Configures Cursor AI to write clean, idiomatic Python code. Enforces PEP 8 style, type annotations, comprehensive docstrings, and modern Python patterns.

**Best for**: Python developers using Cursor IDE
**Works with**: Cursor

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## Rules Include

### Style
- PEP 8 compliance with 88-char line length (Black formatter)
- Type hints on all function signatures
- Google-style docstrings
- f-strings over `.format()` or `%`

### Patterns
- Dataclasses and Pydantic models over plain dicts
- Context managers for resource handling
- Generators for large data processing
- `pathlib.Path` over `os.path`

### Testing
- pytest with fixtures and parametrize
- Arrange-Act-Assert pattern
- Mock external dependencies, not internal logic

### Modern Python (3.12+)
- Match statements for complex conditionals
- `type` keyword for type aliases
- Exception groups with `except*`

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### FAQ

**Q: What is Cursor Rules: Python?**
A: Cursor rules for Python development. Enforces PEP 8 style, type hints, docstrings, pytest patterns, and modern Python 3.12+ idioms.

**Q: How do I install Cursor Rules: Python?**
A: Check the Quick Use section above for step-by-step installation instructions. Most assets can be set up in under 2 minutes.

## Source & Thanks

> Curated from the [cursor.directory](https://cursor.directory) community.
> Based on Python community best practices.

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Source: https://tokrepo.com/en/workflows/f18133e8-aad7-4875-9828-acc45a09962f
Author: AI Open Source