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Add an FAQ question around Python version support (#2908)

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Charlie Marsh 2023-02-14 22:11:44 -05:00 • committed by GitHub
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@ -27,7 +27,6 @@ An extremely fast Python linter, written in Rust.
* ⚡️ 10-100x faster than existing linters * ⚡️ 10-100x faster than existing linters
* 🐍 Installable via `pip` * 🐍 Installable via `pip`
* 🤝 Python 3.11 compatibility
* 🛠️ `pyproject.toml` support * 🛠️ `pyproject.toml` support
* 📦 Built-in caching, to avoid re-analyzing unchanged files * 📦 Built-in caching, to avoid re-analyzing unchanged files
* 🔧 Autofix support, for automatic error correction (e.g., automatically remove unused imports) * 🔧 Autofix support, for automatic error correction (e.g., automatically remove unused imports)
@ -1907,6 +1906,22 @@ implemented in [pyupgrade](https://pypi.org/project/pyupgrade/) ([#827](https://
If you're looking to use Ruff, but rely on an unsupported Flake8 plugin, feel free to file an Issue. If you're looking to use Ruff, but rely on an unsupported Flake8 plugin, feel free to file an Issue.
### What versions of Python does Ruff support?
Ruff can lint code for any Python version from 3.7 onwards. However, Ruff lacks support for a few
language features that were introduced in Python 3.10 and later. Specifically, Ruff does not
support:
- "Structural Pattern Matching" ([PEP 622](https://peps.python.org/pep-0622/)), introduced in Python 3.10.
- "Exception Groups and except* ([PEP 654](https://www.python.org/dev/peps/pep-0654/)), introduced in Python 3.11.
Support for these features is planned.
Ruff does not support Python 2. Ruff _may_ run on pre-Python 3.7 code, although such versions
are not officially supported (e.g., Ruff does _not_ respect type comments).
Ruff is installable under any Python version from 3.7 onwards.
### Do I need to install Rust to use Ruff? ### Do I need to install Rust to use Ruff?
Nope! Ruff is available as [`ruff`](https://pypi.org/project/ruff/) on PyPI: Nope! Ruff is available as [`ruff`](https://pypi.org/project/ruff/) on PyPI: