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Top 23 Python Linter Projects
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Project mention: Show HN: Oxyde – Pydantic-native async ORM with a Rust core | news.ycombinator.com | 2026-03-13
Coupling together these things is short-sighted, but I get that in simple CRUD backends they really do sometimes stay the same for a long time. As long as there is an easy and obvious way out, then it's probably fine.
The big problem with ActiveRecord style ORMs, though, is the big ball of mud you end up with when anything from anywhere in the code can call `save()` on an object at any time to serialise and persist it in the db. It requires a constant vigilance to stop this happening, but many people don't even try in the first place.
What would be ideal is to have an automatically generated DTO-type object that you can pass to other parts of the code that shouldn't be calling `save()` themselves. It could be a "real" object, or just annotated using a Protocol, such that calling `save()` would be a type error. Django models unfortunately don't work well with Prototypes; mypy isn't able to detect the as supporting the Protocol (see: https://github.com/python/mypy/issues/5481). But having an automatically generated DTO could work too.
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# See https://pre-commit.com for more information # See https://pre-commit.com/hooks.html for more hooks repos: - repo: https://github.com/pre-commit/pre-commit-hooks rev: v5.0.0 hooks: - id: end-of-file-fixer - id: check-merge-conflict - id: trailing-whitespace args: [--markdown-linebreak-ext=md] - id: check-shebang-scripts-are-executable # YAML - id: check-yaml # Cross platform - id: check-case-conflict - id: mixed-line-ending args: [--fix=lf] - repo: local hooks: - id: packer-fmt name: Packer format check entry: packer fmt -check -recursive packer language: system files: ^packer/.*\.pkr\.hcl$ pass_filenames: false - id: shellcheck name: ShellCheck entry: shellcheck language: system types: [shell]
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Project mention: AI Is Breaking Two Vulnerability Cultures — And Vibe Coders Are About to Get Caught in the Middle | dev.to | 2026-05-08
# .pre-commit-config.yaml - repo: https://github.com/zricethezav/gitleaks rev: v8.18.0 hooks: - id: gitleaks # catches accidental secret commits - repo: https://github.com/PyCQA/bandit rev: 1.7.5 hooks: - id: bandit # catches common Python security antipatterns
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# See https://pre-commit.com for more information # See https://pre-commit.com/hooks.html for more hooks repos: - repo: https://github.com/pre-commit/pre-commit-hooks rev: v5.0.0 hooks: - id: end-of-file-fixer - id: check-merge-conflict - id: trailing-whitespace args: [--markdown-linebreak-ext=md] - id: check-shebang-scripts-are-executable # YAML - id: check-yaml # Cross platform - id: check-case-conflict - id: mixed-line-ending args: [--fix=lf] - repo: local hooks: - id: packer-fmt name: Packer format check entry: packer fmt -check -recursive packer language: system files: ^packer/.*\.pkr\.hcl$ pass_filenames: false - id: shellcheck name: ShellCheck entry: shellcheck language: system types: [shell]
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is used with the type checkers such as mypy, pyright, pyre-check, pytype, etc.
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pyupgrade
A tool (and pre-commit hook) to automatically upgrade syntax for newer versions of the language.
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Flake8
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.
Project mention: How to Set Up Pre-Commit Hooks for Teams Using AI Coding Assistants | dev.to | 2026-04-19 -
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prospector
Inspects Python source files and provides information about type and location of classes, methods etc
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flake8-bugbear
A plugin for Flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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I code-reviewed 3 "vibe-coded" PRs last week. Every one had hardcoded API keys. So I built a grader.
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Sourcery vs mypy: Type Checking vs AI Refactoring (2026)
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Sourcery AI Alternatives: 10 Best Code Quality Tools in 2026
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Linter projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mypy | 20,466 |
| 2 | pre-commit | 15,309 |
| 3 | bandit | 8,077 |
| 4 | isort | 6,945 |
| 5 | pre-commit-hooks | 6,568 |
| 6 | Pylint | 5,685 |
| 7 | pytype | 5,037 |
| 8 | pyupgrade | 4,096 |
| 9 | Flake8 | 3,795 |
| 10 | yamllint | 3,402 |
| 11 | wemake-python-styleguide | 2,854 |
| 12 | cfn-python-lint | 2,619 |
| 13 | prospector | 2,083 |
| 14 | cpplint | 1,817 |
| 15 | godot-gdscript-toolkit | 1,551 |
| 16 | pyflakes | 1,448 |
| 17 | best-of-python-dev | 1,267 |
| 18 | gixy | 1,168 |
| 19 | flake8-bugbear | 1,116 |
| 20 | pylama | 1,051 |
| 21 | import-linter | 1,053 |
| 22 | autoflake | 957 |
| 23 | djLint | 928 |
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