Top 23 Python Linter Projects
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Project mention: I think I just had my first "coder moment" in Python. My program wasn't working, so I look, and look and look. Until finally.... | reddit.com/r/Python | 2021-11-26
I've found the magic that is pre-commit. You pip install pre-commit, create a file called .pre-commit-config.yaml, put some repos in there (examples on the site).
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Project mention: Python Code Quality - Improve the quality of your Python code with linters, code formatters, and security vulnerability scanners | reddit.com/r/Python | 2021-11-07
yaml repos: - repo: https://github.com/myint/autoflake rev: v1.4 hooks: - id: autoflake args: - --in-place - --remove-all-unused-imports - --expand-star-imports - --remove-duplicate-keys - --remove-unused-variables - repo: https://github.com/asottile/pyupgrade rev: v2.29.0 hooks: - id: pyupgrade args: [--py36-plus] - repo: https://github.com/PyCQA/isort rev: 5.9.3 hooks: - id: isort - repo: https://github.com/psf/black rev: 21.10b0 hooks: - id: black args: [--safe, --quiet] - repo: https://github.com/PyCQA/flake8 rev: 4.0.1 hooks: - id: flake8 - repo: local hooks: - id: pylint name: pylint entry: pylint language: system types: [python] args: [ "-rn", "-sn", ] - repo: https://github.com/pre-commit/mirrors-mypy rev: v0.910-1 hooks: - id: mypy name: mypy entry: mypy language: python types: [python] args: [] require_serial: true - repo: https://github.com/pre-commit/mirrors-prettier rev: v2.4.1 hooks: - id: prettier args: [--prose-wrap=always, --print-width=88]
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Vale uses a customizable grammar checker, and you can download some open-source configurations to start working with from the link above. Then, you just need to add something like below to your Emacs configuration: (flycheck-define-checker vale "A prose linter" :command ("vale" "--output" "line" source) :standard-input nil :error-patterns ((error line-start (file-name) ":" line ":" column ":" (id (one-or-more (not (any ":")))) ":" (message) line-end)) :modes (markdown-mode org-mode text-mode) ) (add-to-list 'flycheck-checkers 'vale 'append) (setq flycheck-vale-executable "/usr/local/bin/vale") It looks like you can do something similar with Proselint, which looks wonderful and I have been meaning to try using in my day-to-day: https://unconj.ca/blog/linting-prose-in-emacs.html .
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Our plugin surfaces semantic issues in your Python code. In the example above, it detects invalid file mode being used to open the file as well as dictionary key issues. Our plugin is powered by multiple open-source tools (such as Pylint or Bandit) that surface common errors Python programmers do. By using our plugin, you not only ensure that your code adheres to good coding practices and but also detect bugs in seconds as you write code in your browser. After lots of interviews with developers, one thing that stood out was: “When it comes to reviewing the code, by the time the code hits GitHub is already too late” why? because imagine programming for 3 to 4 hours, only to be told part of your code next to be fixed. So we started working on a faster more effective way to review your code, one that catches the bug when you write it, so it’s easier for you to fix.
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So it doesn't say it isn't justified, it indicates that you might want to reconsider. So by leaving out that nuance, you're promoting this to a binary bad/wrong label which it really isn't. Also consider it's a bit obsolete in context of for example dataclasses and custom exceptions, as those often have 0 methods unless you need something extra from them. See for example complaint tickets about these https://github.com/PyCQA/pylint/issues/4464 and https://github.com/PyCQA/pylint/issues/3732. So to summarize, using a linter's best effort to indicate something that can easily be a non-issue isn't exactly the best source for programming style rules.
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another library to check typing in python code (by google)
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Scout APM
Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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- repo: https://github.com/pre-commit/mirrors-prettier rev: v2.3.2 # Use the sha or tag you want to point at hooks: - id: prettier additional_dependencies: - [email protected] - '[email protected]' - repo: https://github.com/pre-commit/pre-commit-hooks rev: v3.4.0 hooks: - id: trailing-whitespace - id: check-merge-conflict - id: check-yaml - id: end-of-file-fixer - id: no-commit-to-branch args: [-b, main, -b, production, -b, staging]
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Or, run Yamllint externally. I do this, because I have more control: https://github.com/adrienverge/yamllint
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Project mention: flake8-cached - a wrapper around flake8 to cache file runs | reddit.com/r/Python | 2021-05-20
I use flake8 with [wemake-python-style-guide](https://wemake-python-stylegui.de/) plugin. It takes around 2mins to run the linter for some mid-range web apps. I have created https://github.com/jnoortheen/flake8-cached to speed up this process. I use it with Pycharm's filewatcher. It is a simple wrapper and intended to be used only during development with a fs watcher.
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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: Python Code Quality - Improve the quality of your Python code with linters, code formatters, and security vulnerability scanners | reddit.com/r/Python | 2021-11-07yaml repos: - repo: https://github.com/myint/autoflake rev: v1.4 hooks: - id: autoflake args: - --in-place - --remove-all-unused-imports - --expand-star-imports - --remove-duplicate-keys - --remove-unused-variables - repo: https://github.com/asottile/pyupgrade rev: v2.29.0 hooks: - id: pyupgrade args: [--py36-plus] - repo: https://github.com/PyCQA/isort rev: 5.9.3 hooks: - id: isort - repo: https://github.com/psf/black rev: 21.10b0 hooks: - id: black args: [--safe, --quiet] - repo: https://github.com/PyCQA/flake8 rev: 4.0.1 hooks: - id: flake8 - repo: local hooks: - id: pylint name: pylint entry: pylint language: system types: [python] args: [ "-rn", "-sn", ] - repo: https://github.com/pre-commit/mirrors-mypy rev: v0.910-1 hooks: - id: mypy name: mypy entry: mypy language: python types: [python] args: [] require_serial: true - repo: https://github.com/pre-commit/mirrors-prettier rev: v2.4.1 hooks: - id: prettier args: [--prose-wrap=always, --print-width=88]
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prospector
Inspects Python source files and provides information about type and location of classes, methods etc
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pyupgrade
A tool (and pre-commit hook) to automatically upgrade syntax for newer versions of the language.
pyupgrade is a pretty sweet tool https://github.com/asottile/pyupgrade
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Flake8: a combination of following linters: PyFlakes, pycodestyle, Ned Batchelder’s McCabe script
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Project mention: C/C++ pre-commit hooks for static analyzers and linters | reddit.com/r/cpp | 2021-09-13
and five C/C++ static code analyzers: * clang-tidy * oclint * cppcheck * cpplint (recently added!) * include-what-you-use (recently added!)
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pydocstyle
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Lint your code. I recommend pylama.
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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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Project mention: Python Code Quality - Improve the quality of your Python code with linters, code formatters, and security vulnerability scanners | reddit.com/r/Python | 2021-11-07
yaml repos: - repo: https://github.com/myint/autoflake rev: v1.4 hooks: - id: autoflake args: - --in-place - --remove-all-unused-imports - --expand-star-imports - --remove-duplicate-keys - --remove-unused-variables - repo: https://github.com/asottile/pyupgrade rev: v2.29.0 hooks: - id: pyupgrade args: [--py36-plus] - repo: https://github.com/PyCQA/isort rev: 5.9.3 hooks: - id: isort - repo: https://github.com/psf/black rev: 21.10b0 hooks: - id: black args: [--safe, --quiet] - repo: https://github.com/PyCQA/flake8 rev: 4.0.1 hooks: - id: flake8 - repo: local hooks: - id: pylint name: pylint entry: pylint language: system types: [python] args: [ "-rn", "-sn", ] - repo: https://github.com/pre-commit/mirrors-mypy rev: v0.910-1 hooks: - id: mypy name: mypy entry: mypy language: python types: [python] args: [] require_serial: true - repo: https://github.com/pre-commit/mirrors-prettier rev: v2.4.1 hooks: - id: prettier args: [--prose-wrap=always, --print-width=88]
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Project mention: [P] best-of-ml-python: A ranked list of awesome machine learning Python libraries | reddit.com/r/MachineLearning | 2021-01-14
best-of-python-dev: Python developer tools and libraries:
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Index
What are some of the best open-source Linter projects in Python? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | mypy | 11,863 |
| 2 | pre-commit | 6,889 |
| 3 | isort | 4,323 |
| 4 | proselint | 3,818 |
| 5 | bandit | 3,716 |
| 6 | Pylint | 3,688 |
| 7 | pytype | 3,518 |
| 8 | pre-commit-hooks | 2,559 |
| 9 | cfn-python-lint | 1,750 |
| 10 | yamllint | 1,732 |
| 11 | wemake-python-styleguide | 1,691 |
| 12 | Flake8 | 1,650 |
| 13 | prospector | 1,542 |
| 14 | pyupgrade | 1,280 |
| 15 | pyflakes | 1,089 |
| 16 | cpplint | 912 |
| 17 | pydocstyle | 829 |
| 18 | pylama | 819 |
| 19 | flake8-bugbear | 640 |
| 20 | PEP 8 Speaks | 561 |
| 21 | autoflake | 452 |
| 22 | flynt | 429 |
| 23 | best-of-python-dev | 374 |
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