Cursor rule

1---
2description: "Python coding style extending common rules"
3globs: ["**/*.py", "**/*.pyi"]
4alwaysApply: false
5---
6# Python Coding Style
7 
8> This file extends the common coding style rule with Python specific content.
9 
10## Standards
11 
12- Follow **PEP 8** conventions
13- Use **type annotations** on all function signatures
14 
15## Immutability
16 
17Prefer immutable data structures:
18 
19```python
20from dataclasses import dataclass
21 
22@dataclass(frozen=True)
23class User:
24    name: str
25    email: str
26 
27from typing import NamedTuple
28 
29class Point(NamedTuple):
30    x: float
31    y: float
32```
33 
34## Formatting
35 
36- **black** for code formatting
37- **isort** for import sorting
38- **ruff** for linting
39 
40## Reference
41 
42See skill: `python-patterns` for comprehensive Python idioms and patterns.
43