Ruff

1. Tutorial

   Using ruff check and ruff format in a project.

2. The linter

   The ruff check command, rule selection, auto-fixes and noqa suppression comments.

3. Rules

   The catalog of lint rules grouped by origin, with codes like E, F and I.

4. The formatter

   Black-compatible formatter and style options.

5. Deviations from Black

   Known places where the Ruff formatter output differs from Black.

6. Configuration

   pyproject.toml and ruff.toml, discovery, inheritance.

7. Settings reference

   All settings available in pyproject.toml and ruff.toml.

8. Editor integration

   The Ruff language server and setup in editors such as VS Code, Neovim and Zed.

9. Integrations

   Running Ruff in pre-commit, GitHub Actions and other CI systems.

10. Preview mode

    Preview mode for unstable rules and formatter style changes.

11. Versioning

    Release and versioning policy including how rules are stabilized.

12. FAQ

    Frequently asked questions about Ruff behavior, compatibility and replacing other tools.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.