python

name	python
description	This skill should be used every time you work on Python projects or Python code changes in this repository.
compatibility	opencode

Python Project Rules (uv + msgspec)

This file defines the preferred Python project organization for this repo.

Core Principles

1. All Python projects must use uv for environment, dependency, and run management.
2. All runnable entrypoints must be defined in pyproject.toml under [project.scripts].
3. Run entrypoints via uv run <script> (example: uv run main).
4. All data models must use msgspec.Struct (no dataclasses or pydantic).
5. Only create Python files under src/ (no code outside src/).
6. Never use relative imports.

Project Layout (Typical)

pyproject.toml
src/
└── <package_name>/
    ├── __init__.py
    ├── main.py
    ├── core/
    ├── services/
    ├── adapters/
    ├── config/
    └── utils/

Entry Points

All runnable commands must be declared in pyproject.toml:

[project.scripts]
main = "<package_name>.main:main"

Modeling Rules

Use msgspec.Struct for all models:

import msgspec

class User(msgspec.Struct):
    id: str
    email: str