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Introducing uv: an extremely fast Python package and project manager →
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NEXT-GEN
PYTHON TOOLING

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FAST, UNIFIED, FUTURISTIC

Astral’s mission is to make the Python ecosystem more productive by building
high-performance developer tools, starting with Ruff.


RUFF


LINT AT LIGHTSPEED

An extremely fast Python linter, written in Rust.

Learn more

Linting the CPython codebase, from scratch.

 * Ruff
   
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 * Autoflake
   
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 * Flake8
   
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 * Pyflakes
   
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 * pycodestyle
   
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 * Pylint
   
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TRIED AND TESTED.
POWERING IMPACTFUL PROJECTS ACROSS OPEN SOURCE.

> Why is Ruff a gamechanger? Primarily because it’s nearly 1000x faster.
> Literally. Not a typo.
> 
> Nick Schrock
> 
> Founder of Elementl, co-creator of GraphQL

> Just switched my first project to Ruff. Only one downside so far: it's so fast
> I couldn't believe it was working until I intentionally introduced some
> errors.
> 
> Timothy Crosley
> 
> Software Engineer at Stripe, Creator of isort

> Ruff is so fast that sometimes I add an intentional bug in the code just to
> confirm it's actually running.
> 
> Sebastián Ramírez
> 
> Creator of FastAPI

> Why is Ruff a gamechanger? Primarily because it’s nearly 1000x faster.
> Literally. Not a typo.
> 
> Nick Schrock
> 
> Founder of Elementl, co-creator of GraphQL

> Just switched my first project to Ruff. Only one downside so far: it's so fast
> I couldn't believe it was working until I intentionally introduced some
> errors.
> 
> Timothy Crosley
> 
> Software Engineer at Stripe, Creator of isort

> Ruff is so fast that sometimes I add an intentional bug in the code just to
> confirm it's actually running.
> 
> Sebastián Ramírez
> 
> Creator of FastAPI

> Why is Ruff a gamechanger? Primarily because it’s nearly 1000x faster.
> Literally. Not a typo.
> 
> Nick Schrock
> 
> Founder of Elementl, co-creator of GraphQL

> Just switched my first project to Ruff. Only one downside so far: it's so fast
> I couldn't believe it was working until I intentionally introduced some
> errors.
> 
> Timothy Crosley
> 
> Software Engineer at Stripe, Creator of isort

> Ruff is so fast that sometimes I add an intentional bug in the code just to
> confirm it's actually running.
> 
> Sebastián Ramírez
> 
> Creator of FastAPI

> Why is Ruff a gamechanger? Primarily because it’s nearly 1000x faster.
> Literally. Not a typo.
> 
> Nick Schrock
> 
> Founder of Elementl, co-creator of GraphQL

> Just switched my first project to Ruff. Only one downside so far: it's so fast
> I couldn't believe it was working until I intentionally introduced some
> errors.
> 
> Timothy Crosley
> 
> Software Engineer at Stripe, Creator of isort

> Ruff is so fast that sometimes I add an intentional bug in the code just to
> confirm it's actually running.
> 
> Sebastián Ramírez
> 
> Creator of FastAPI


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Open-source and permissively licensed. Bringing together hundreds of
contributors to empower the most impactful projects in open source and beyond.

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SPACE TO THINK

News


August 20, 2024


UV: UNIFIED PYTHON PACKAGING

Manage entire Python projects and even Python itself with a single unified tool.

Release


October 17, 2024


RUFF V0.7.0

The next stable version of Ruff is out now.


SUPERCHARGE YOUR PYTHON TOOLING

Get Started
Browse Docs

 * Ruff0.7.1
 * uv0.4.27
 * GitHub
 * Blog
 * Company
 * Hiring



© 2024 Astral Software Inc.

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