Python Ruff — Linting and Formatting

Ruff is an extremely fast Python linter and code formatter written in Rust. It replaces Flake8, Black, isort, pydocstyle, pyupgrade, and autoflake with a single unified tool that runs 10–100x faster than any of them individually. Ruff supports over 800 built-in rules and provides automatic fix capabilities for many violations.

Installation

Install Ruff via pip, uv, or as a development dependency:

pip install ruff
uv add --dev ruff

Core Commands