flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.

Goes beyond PEP8 to discuss what makes Python code feel great. A Strunk & White for Python.

The strictest and most opinionated python linter ever!

:octocat: A curated awesome list of flake8 extensions. Feel free to contribute! :mortar_board:

🏆 A ranked list of awesome python developer tools and libraries. Updated weekly.

Run ruff, isort, pyupgrade, mypy, pylint, flake8, and more on Jupyter Notebooks

🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.

Python best practices project cookiecutter 🍪

A sequential id generator that works across nodes with no collisions

McCabe complexity checker for Python

A GitHub :octocat: app to automatically review Python code style over Pull Requests

Naming Convention checker for Python

❄️ A flake8 plugin to help you write better list/set/dict comprehensions.

Start a Flask API in less than 5 minutes

Enforce the same settings on multiple projects

Flake8 plugin to find commented out or dead code

Flake8 plugin that checks import order against various Python Style Guides

Git pre-receive hook to check commits and code style

Automatically remove unnecessary `# noqa` comments

A tool for measuring Python class cohesion.

Write-time code quality enforcement system for Claude Code. Every file edit triggers automated formatting and linting through fast Rust-based linters and dedicated Claude instances that intelligently fix remaining violations

Descriptions and examples for the rules in Flake8 (pyflakes, pycodestyle, and mccabe).

Flake8 plug-in loading the configuration from pyproject.toml

A flake8 plugin checking common style issues or inconsistencies with pytest-based tests.

Flake8 wrapper to make it nice, legacy-friendly, configurable.

A very fast Python docstring linter

❄ A flake8 plugin that helps you to simplify code

Dlint is a tool for encouraging best coding practices and helping ensure Python code is secure.

A plugin for Flake8 that checks pandas code

Flake8 Type Annotation Checking