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34 lines
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ReStructuredText
34 lines
1.2 KiB
ReStructuredText
Linters
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=======
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.. index:: linters
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ruff
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------
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Ruff is a Python linter and code formatter, written in Rust.
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It is a aggregation of flake8, pylint, pyupgrade and many more.
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Ruff comes with a linter (``ruff check``) and a formatter (``ruff format``).
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The linter is a wrapper around flake8, pylint, and other linters,
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and the formatter is a wrapper around black, isort, and other formatters.
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To run ruff without modifying your files: ::
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$ ruff format --diff .
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$ ruff check .
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Ruff is capable of fixing most of the problems it encounters.
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Be sure you commit first before running `ruff` so you can restore to a savepoint (and amend afterwards to prevent a double commit. : ::
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$ ruff format .
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$ ruff check --fix .
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# be careful with the --unsafe-fixes option, it can break your code
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$ ruff check --fix --unsafe-fixes .
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The config for ruff is located in pyproject.toml.
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On of the most important option is `tool.ruff.lint.select`.
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`select` determines which linters are run. In example, `DJ <https://docs.astral.sh/ruff/rules/#flake8-django-dj>`_ refers to flake8-django.
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For a full list of available linters, see `https://docs.astral.sh/ruff/rules/ <https://docs.astral.sh/ruff/rules/>`_
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