astral-sh/ruff (ruff)
### [`v0.6.2`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#062)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.6.1...0.6.2)
##### Preview features
- \[`flake8-simplify`] Extend `open-file-with-context-handler` to work with other standard-library IO modules (`SIM115`) ([#12959](https://togithub.com/astral-sh/ruff/pull/12959))
- \[`ruff`] Avoid `unused-async` for functions with FastAPI route decorator (`RUF029`) ([#12938](https://togithub.com/astral-sh/ruff/pull/12938))
- \[`ruff`] Ignore `fstring-missing-syntax` (`RUF027`) for `fastAPI` paths ([#12939](https://togithub.com/astral-sh/ruff/pull/12939))
- \[`ruff`] Implement check for Decimal called with a float literal (RUF032) ([#12909](https://togithub.com/astral-sh/ruff/pull/12909))
##### Rule changes
- \[`flake8-bugbear`] Update diagnostic message when expression is at the end of function (`B015`) ([#12944](https://togithub.com/astral-sh/ruff/pull/12944))
- \[`flake8-pyi`] Skip type annotations in `string-or-bytes-too-long` (`PYI053`) ([#13002](https://togithub.com/astral-sh/ruff/pull/13002))
- \[`flake8-type-checking`] Always recognise relative imports as first-party ([#12994](https://togithub.com/astral-sh/ruff/pull/12994))
- \[`flake8-unused-arguments`] Ignore unused arguments on stub functions (`ARG001`) ([#12966](https://togithub.com/astral-sh/ruff/pull/12966))
- \[`pylint`] Ignore augmented assignment for `self-cls-assignment` (`PLW0642`) ([#12957](https://togithub.com/astral-sh/ruff/pull/12957))
##### Server
- Show full context in error log messages ([#13029](https://togithub.com/astral-sh/ruff/pull/13029))
##### Bug fixes
- \[`pep8-naming`] Don't flag `from` imports following conventional import names (`N817`) ([#12946](https://togithub.com/astral-sh/ruff/pull/12946))
- \[`pylint`] - Allow `__new__` methods to have `cls` as their first argument even if decorated with `@staticmethod` for `bad-staticmethod-argument` (`PLW0211`) ([#12958](https://togithub.com/astral-sh/ruff/pull/12958))
##### Documentation
- Add `hyperfine` installation instructions; update `hyperfine` code samples ([#13034](https://togithub.com/astral-sh/ruff/pull/13034))
- Expand note to use Ruff with other language server in Kate ([#12806](https://togithub.com/astral-sh/ruff/pull/12806))
- Update example for `PT001` as per the new default behavior ([#13019](https://togithub.com/astral-sh/ruff/pull/13019))
- \[`perflint`] Improve docs for `try-except-in-loop` (`PERF203`) ([#12947](https://togithub.com/astral-sh/ruff/pull/12947))
- \[`pydocstyle`] Add reference to `lint.pydocstyle.ignore-decorators` setting to rule docs ([#12996](https://togithub.com/astral-sh/ruff/pull/12996))
### [`v0.6.1`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#061)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.6.0...0.6.1)
This is a hotfix release to address an issue with `ruff-pre-commit`. In v0.6,
Ruff changed its behavior to lint and format Jupyter notebooks by default;
however, due to an oversight, these files were still excluded by default if
Ruff was run via pre-commit, leading to inconsistent behavior.
This has [now been fixed](https://togithub.com/astral-sh/ruff-pre-commit/pull/96).
##### Preview features
- \[`fastapi`] Implement `fast-api-unused-path-parameter` (`FAST003`) ([#12638](https://togithub.com/astral-sh/ruff/pull/12638))
##### Rule changes
- \[`pylint`] Rename `too-many-positional` to `too-many-positional-arguments` (`R0917`) ([#12905](https://togithub.com/astral-sh/ruff/pull/12905))
##### Server
- Fix crash when applying "fix-all" code-action to notebook cells ([#12929](https://togithub.com/astral-sh/ruff/pull/12929))
##### Other changes
- \[`flake8-naming`]: Respect import conventions (`N817`) ([#12922](https://togithub.com/astral-sh/ruff/pull/12922))
### [`v0.6.0`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#060)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.7...0.6.0)
Check out the [blog post](https://astral.sh/blog/ruff-v0.6.0) for a migration guide and overview of the changes!
##### Breaking changes
See also, the "Remapped rules" section which may result in disabled rules.
- Lint and format Jupyter Notebook by default ([#12878](https://togithub.com/astral-sh/ruff/pull/12878)).
- Detect imports in `src` layouts by default for `isort` rules ([#12848](https://togithub.com/astral-sh/ruff/pull/12848))
- The pytest rules `PT001` and `PT023` now default to omitting the decorator parentheses when there are no arguments ([#12838](https://togithub.com/astral-sh/ruff/pull/12838)).
##### Deprecations
The following rules are now deprecated:
- [`pytest-missing-fixture-name-underscore`](https://docs.astral.sh/ruff/rules/pytest-missing-fixture-name-underscore/) (`PT004`)
- [`pytest-incorrect-fixture-name-underscore`](https://docs.astral.sh/ruff/rules/pytest-incorrect-fixture-name-underscore/) (`PT005`)
- [`unpacked-list-comprehension`](https://docs.astral.sh/ruff/rules/unpacked-list-comprehension/) (`UP027`)
##### Remapped rules
The following rules have been remapped to new rule codes:
- [`unnecessary-dict-comprehension-for-iterable`](https://docs.astral.sh/ruff/rules/unnecessary-dict-comprehension-for-iterable/): `RUF025` to `C420`
##### Stabilization
The following rules have been stabilized and are no longer in preview:
- [`singledispatch-method`](https://docs.astral.sh/ruff/rules/singledispatch-method/) (`PLE1519`)
- [`singledispatchmethod-function`](https://docs.astral.sh/ruff/rules/singledispatchmethod-function/) (`PLE1520`)
- [`bad-staticmethod-argument`](https://docs.astral.sh/ruff/rules/bad-staticmethod-argument/) (`PLW0211`)
- [`if-stmt-min-max`](https://docs.astral.sh/ruff/rules/if-stmt-min-max/) (`PLR1730`)
- [`invalid-bytes-return-type`](https://docs.astral.sh/ruff/rules/invalid-bytes-return-type/) (`PLE0308`)
- [`invalid-hash-return-type`](https://docs.astral.sh/ruff/rules/invalid-hash-return-type/) (`PLE0309`)
- [`invalid-index-return-type`](https://docs.astral.sh/ruff/rules/invalid-index-return-type/) (`PLE0305`)
- [`invalid-length-return-type`](https://docs.astral.sh/ruff/rules/invalid-length-return-type/) (`E303`)
- [`self-or-cls-assignment`](https://docs.astral.sh/ruff/rules/self-or-cls-assignment/) (`PLW0642`)
- [`byte-string-usage`](https://docs.astral.sh/ruff/rules/byte-string-usage/) (`PYI057`)
- [`duplicate-literal-member`](https://docs.astral.sh/ruff/rules/duplicate-literal-member/) (`PYI062`)
- [`redirected-noqa`](https://docs.astral.sh/ruff/rules/redirected-noqa/) (`RUF101`)
The following behaviors have been stabilized:
- [`cancel-scope-no-checkpoint`](https://docs.astral.sh/ruff/rules/cancel-scope-no-checkpoint/) (`ASYNC100`): Support `asyncio` and `anyio` context mangers.
- [`async-function-with-timeout`](https://docs.astral.sh/ruff/rules/async-function-with-timeout/) (`ASYNC109`): Support `asyncio` and `anyio` context mangers.
- [`async-busy-wait`](https://docs.astral.sh/ruff/rules/async-busy-wait/) (`ASYNC110`): Support `asyncio` and `anyio` context mangers.
- [`async-zero-sleep`](https://docs.astral.sh/ruff/rules/async-zero-sleep/) (`ASYNC115`): Support `anyio` context mangers.
- [`long-sleep-not-forever`](https://docs.astral.sh/ruff/rules/long-sleep-not-forever/) (`ASYNC116`): Support `anyio` context mangers.
The following fixes have been stabilized:
- [`superfluous-else-return`](https://docs.astral.sh/ruff/rules/superfluous-else-return/) (`RET505`)
- [`superfluous-else-raise`](https://docs.astral.sh/ruff/rules/superfluous-else-raise/) (`RET506`)
- [`superfluous-else-continue`](https://docs.astral.sh/ruff/rules/superfluous-else-continue/) (`RET507`)
- [`superfluous-else-break`](https://docs.astral.sh/ruff/rules/superfluous-else-break/) (`RET508`)
##### Preview features
- \[`flake8-simplify`] Further simplify to binary in preview for (`SIM108`) ([#12796](https://togithub.com/astral-sh/ruff/pull/12796))
- \[`pyupgrade`] Show violations without auto-fix (`UP031`) ([#11229](https://togithub.com/astral-sh/ruff/pull/11229))
##### Rule changes
- \[`flake8-import-conventions`] Add `xml.etree.ElementTree` to default conventions ([#12455](https://togithub.com/astral-sh/ruff/pull/12455))
- \[`flake8-pytest-style`] Add a space after comma in CSV output (`PT006`) ([#12853](https://togithub.com/astral-sh/ruff/pull/12853))
##### Server
- Show a message for incorrect settings ([#12781](https://togithub.com/astral-sh/ruff/pull/12781))
##### Bug fixes
- \[`flake8-async`] Do not lint yield in context manager (`ASYNC100`) ([#12896](https://togithub.com/astral-sh/ruff/pull/12896))
- \[`flake8-comprehensions`] Do not lint `async for` comprehensions (`C419`) ([#12895](https://togithub.com/astral-sh/ruff/pull/12895))
- \[`flake8-return`] Only add return `None` at end of a function (`RET503`) ([#11074](https://togithub.com/astral-sh/ruff/pull/11074))
- \[`flake8-type-checking`] Avoid treating `dataclasses.KW_ONLY` as typing-only (`TCH003`) ([#12863](https://togithub.com/astral-sh/ruff/pull/12863))
- \[`pep8-naming`] Treat `type(Protocol)` et al as metaclass base (`N805`) ([#12770](https://togithub.com/astral-sh/ruff/pull/12770))
- \[`pydoclint`] Don't enforce returns and yields in abstract methods (`DOC201`, `DOC202`) ([#12771](https://togithub.com/astral-sh/ruff/pull/12771))
- \[`ruff`] Skip tuples with slice expressions in (`RUF031`) ([#12768](https://togithub.com/astral-sh/ruff/pull/12768))
- \[`ruff`] Ignore unparenthesized tuples in subscripts when the subscript is a type annotation or type alias (`RUF031`) ([#12762](https://togithub.com/astral-sh/ruff/pull/12762))
- \[`ruff`] Ignore template strings passed to logging and `builtins._()` calls (`RUF027`) ([#12889](https://togithub.com/astral-sh/ruff/pull/12889))
- \[`ruff`] Do not remove parens for tuples with starred expressions in Python <=3.10 (`RUF031`) ([#12784](https://togithub.com/astral-sh/ruff/pull/12784))
- Evaluate default parameter values for a function in that function's enclosing scope ([#12852](https://togithub.com/astral-sh/ruff/pull/12852))
##### Other changes
- Respect VS Code cell metadata when detecting the language of Jupyter Notebook cells ([#12864](https://togithub.com/astral-sh/ruff/pull/12864))
- Respect `kernelspec` notebook metadata when detecting the preferred language for a Jupyter Notebook ([#12875](https://togithub.com/astral-sh/ruff/pull/12875))
### [`v0.5.7`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#057)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.6...0.5.7)
##### Preview features
- \[`flake8-comprehensions`] Account for list and set comprehensions in `unnecessary-literal-within-tuple-call` (`C409`) ([#12657](https://togithub.com/astral-sh/ruff/pull/12657))
- \[`flake8-pyi`] Add autofix for `future-annotations-in-stub` (`PYI044`) ([#12676](https://togithub.com/astral-sh/ruff/pull/12676))
- \[`flake8-return`] Avoid syntax error when auto-fixing `RET505` with mixed indentation (space and tabs) ([#12740](https://togithub.com/astral-sh/ruff/pull/12740))
- \[`pydoclint`] Add `docstring-missing-yields` (`DOC402`) and `docstring-extraneous-yields` (`DOC403`) ([#12538](https://togithub.com/astral-sh/ruff/pull/12538))
- \[`pydoclint`] Avoid `DOC201` if docstring begins with "Return", "Returns", "Yield", or "Yields" ([#12675](https://togithub.com/astral-sh/ruff/pull/12675))
- \[`pydoclint`] Deduplicate collected exceptions after traversing function bodies (`DOC501`) ([#12642](https://togithub.com/astral-sh/ruff/pull/12642))
- \[`pydoclint`] Ignore `DOC` errors for stub functions ([#12651](https://togithub.com/astral-sh/ruff/pull/12651))
- \[`pydoclint`] Teach rules to understand reraised exceptions as being explicitly raised (`DOC501`, `DOC502`) ([#12639](https://togithub.com/astral-sh/ruff/pull/12639))
- \[`ruff`] Implement `incorrectly-parenthesized-tuple-in-subscript` (`RUF031`) ([#12480](https://togithub.com/astral-sh/ruff/pull/12480))
- \[`ruff`] Mark `RUF023` fix as unsafe if `__slots__` is not a set and the binding is used elsewhere ([#12692](https://togithub.com/astral-sh/ruff/pull/12692))
##### Rule changes
- \[`refurb`] Add autofix for `implicit-cwd` (`FURB177`) ([#12708](https://togithub.com/astral-sh/ruff/pull/12708))
- \[`ruff`] Add autofix for `zip-instead-of-pairwise` (`RUF007`) ([#12663](https://togithub.com/astral-sh/ruff/pull/12663))
- \[`tryceratops`] Add `BaseException` to `raise-vanilla-class` rule (`TRY002`) ([#12620](https://togithub.com/astral-sh/ruff/pull/12620))
##### Server
- Ignore non-file workspace URL; Ruff will display a warning notification in this case ([#12725](https://togithub.com/astral-sh/ruff/pull/12725))
##### CLI
- Fix cache invalidation for nested `pyproject.toml` files ([#12727](https://togithub.com/astral-sh/ruff/pull/12727))
##### Bug fixes
- \[`flake8-async`] Fix false positives with multiple `async with` items (`ASYNC100`) ([#12643](https://togithub.com/astral-sh/ruff/pull/12643))
- \[`flake8-bandit`] Avoid false-positives for list concatenations in SQL construction (`S608`) ([#12720](https://togithub.com/astral-sh/ruff/pull/12720))
- \[`flake8-bugbear`] Treat `return` as equivalent to `break` (`B909`) ([#12646](https://togithub.com/astral-sh/ruff/pull/12646))
- \[`flake8-comprehensions`] Set comprehensions not a violation for `sum` in `unnecessary-comprehension-in-call` (`C419`) ([#12691](https://togithub.com/astral-sh/ruff/pull/12691))
- \[`flake8-simplify`] Parenthesize conditions based on precedence when merging if arms (`SIM114`) ([#12737](https://togithub.com/astral-sh/ruff/pull/12737))
- \[`pydoclint`] Try both 'Raises' section styles when convention is unspecified (`DOC501`) ([#12649](https://togithub.com/astral-sh/ruff/pull/12649))
### [`v0.5.6`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#056)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.5...0.5.6)
Ruff 0.5.6 automatically enables linting and formatting of notebooks in *preview mode*.
You can opt-out of this behavior by adding `*.ipynb` to the `extend-exclude` setting.
```toml
[tool.ruff]
extend-exclude = ["*.ipynb"]
```
##### Preview features
- Enable notebooks by default in preview mode ([#12621](https://togithub.com/astral-sh/ruff/pull/12621))
- \[`flake8-builtins`] Implement import, lambda, and module shadowing ([#12546](https://togithub.com/astral-sh/ruff/pull/12546))
- \[`pydoclint`] Add `docstring-missing-returns` (`DOC201`) and `docstring-extraneous-returns` (`DOC202`) ([#12485](https://togithub.com/astral-sh/ruff/pull/12485))
##### Rule changes
- \[`flake8-return`] Exempt cached properties and other property-like decorators from explicit return rule (`RET501`) ([#12563](https://togithub.com/astral-sh/ruff/pull/12563))
##### Server
- Make server panic hook more error resilient ([#12610](https://togithub.com/astral-sh/ruff/pull/12610))
- Use `$/logTrace` for server trace logs in Zed and VS Code ([#12564](https://togithub.com/astral-sh/ruff/pull/12564))
- Keep track of deleted cells for reorder change request ([#12575](https://togithub.com/astral-sh/ruff/pull/12575))
##### Configuration
- \[`flake8-implicit-str-concat`] Always allow explicit multi-line concatenations when implicit concatenations are banned ([#12532](https://togithub.com/astral-sh/ruff/pull/12532))
##### Bug fixes
- \[`flake8-async`] Avoid flagging `asyncio.timeout`s as unused when the context manager includes `asyncio.TaskGroup` ([#12605](https://togithub.com/astral-sh/ruff/pull/12605))
- \[`flake8-slots`] Avoid recommending `__slots__` for classes that inherit from more than `namedtuple` ([#12531](https://togithub.com/astral-sh/ruff/pull/12531))
- \[`isort`] Avoid marking required imports as unused ([#12537](https://togithub.com/astral-sh/ruff/pull/12537))
- \[`isort`] Preserve trailing inline comments on import-from statements ([#12498](https://togithub.com/astral-sh/ruff/pull/12498))
- \[`pycodestyle`] Add newlines before comments (`E305`) ([#12606](https://togithub.com/astral-sh/ruff/pull/12606))
- \[`pycodestyle`] Don't attach comments with mismatched indents ([#12604](https://togithub.com/astral-sh/ruff/pull/12604))
- \[`pyflakes`] Fix preview-mode bugs in `F401` when attempting to autofix unused first-party submodule imports in an `__init__.py` file ([#12569](https://togithub.com/astral-sh/ruff/pull/12569))
- \[`pylint`] Respect start index in `unnecessary-list-index-lookup` ([#12603](https://togithub.com/astral-sh/ruff/pull/12603))
- \[`pyupgrade`] Avoid recommending no-argument super in `slots=True` dataclasses ([#12530](https://togithub.com/astral-sh/ruff/pull/12530))
- \[`pyupgrade`] Use colon rather than dot formatting for integer-only types ([#12534](https://togithub.com/astral-sh/ruff/pull/12534))
- Fix NFKC normalization bug when removing unused imports ([#12571](https://togithub.com/astral-sh/ruff/pull/12571))
##### Other changes
- Consider more stdlib decorators to be property-like ([#12583](https://togithub.com/astral-sh/ruff/pull/12583))
- Improve handling of metaclasses in various linter rules ([#12579](https://togithub.com/astral-sh/ruff/pull/12579))
- Improve consistency between linter rules in determining whether a function is property ([#12581](https://togithub.com/astral-sh/ruff/pull/12581))
### [`v0.5.5`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#055)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.4...0.5.5)
##### Preview features
- \[`fastapi`] Implement `fastapi-redundant-response-model` (`FAST001`) and `fastapi-non-annotated-dependency`(`FAST002`) ([#11579](https://togithub.com/astral-sh/ruff/pull/11579))
- \[`pydoclint`] Implement `docstring-missing-exception` (`DOC501`) and `docstring-extraneous-exception` (`DOC502`) ([#11471](https://togithub.com/astral-sh/ruff/pull/11471))
##### Rule changes
- \[`numpy`] Fix NumPy 2.0 rule for `np.alltrue` and `np.sometrue` ([#12473](https://togithub.com/astral-sh/ruff/pull/12473))
- \[`numpy`] Ignore `NPY201` inside `except` blocks for compatibility with older numpy versions ([#12490](https://togithub.com/astral-sh/ruff/pull/12490))
- \[`pep8-naming`] Avoid applying `ignore-names` to `self` and `cls` function names (`N804`, `N805`) ([#12497](https://togithub.com/astral-sh/ruff/pull/12497))
##### Formatter
- Fix incorrect placement of leading function comment with type params ([#12447](https://togithub.com/astral-sh/ruff/pull/12447))
##### Server
- Do not bail code action resolution when a quick fix is requested ([#12462](https://togithub.com/astral-sh/ruff/pull/12462))
##### Bug fixes
- Fix `Ord` implementation of `cmp_fix` ([#12471](https://togithub.com/astral-sh/ruff/pull/12471))
- Raise syntax error for unparenthesized generator expression in multi-argument call ([#12445](https://togithub.com/astral-sh/ruff/pull/12445))
- \[`pydoclint`] Fix panic in `DOC501` reported in [#12428](https://togithub.com/astral-sh/ruff/pull/12428) ([#12435](https://togithub.com/astral-sh/ruff/pull/12435))
- \[`flake8-bugbear`] Allow singleton tuples with starred expressions in `B013` ([#12484](https://togithub.com/astral-sh/ruff/pull/12484))
##### Documentation
- Add Eglot setup guide for Emacs editor ([#12426](https://togithub.com/astral-sh/ruff/pull/12426))
- Add note about the breaking change in `nvim-lspconfig` ([#12507](https://togithub.com/astral-sh/ruff/pull/12507))
- Add note to include notebook files for native server ([#12449](https://togithub.com/astral-sh/ruff/pull/12449))
- Add setup docs for Zed editor ([#12501](https://togithub.com/astral-sh/ruff/pull/12501))
### [`v0.5.4`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#054)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.3...0.5.4)
##### Rule changes
- \[`ruff`] Rename `RUF007` to `zip-instead-of-pairwise` ([#12399](https://togithub.com/astral-sh/ruff/pull/12399))
##### Bug fixes
- \[`flake8-builtins`] Avoid shadowing diagnostics for `@override` methods ([#12415](https://togithub.com/astral-sh/ruff/pull/12415))
- \[`flake8-comprehensions`] Insert parentheses for multi-argument generators ([#12422](https://togithub.com/astral-sh/ruff/pull/12422))
- \[`pydocstyle`] Handle escaped docstrings within docstring (`D301`) ([#12192](https://togithub.com/astral-sh/ruff/pull/12192))
##### Documentation
- Fix GitHub link to Neovim setup ([#12410](https://togithub.com/astral-sh/ruff/pull/12410))
- Fix `output-format` default in settings reference ([#12409](https://togithub.com/astral-sh/ruff/pull/12409))
### [`v0.5.3`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#053)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.2...0.5.3)
**Ruff 0.5.3 marks the stable release of the Ruff language server and introduces revamped
[documentation](https://docs.astral.sh/ruff/editors), including [setup guides for your editor of
choice](https://docs.astral.sh/ruff/editors/setup) and [the language server
itself](https://docs.astral.sh/ruff/editors/settings)**.
##### Preview features
- Formatter: Insert empty line between suite and alternative branch after function/class definition ([#12294](https://togithub.com/astral-sh/ruff/pull/12294))
- \[`pyupgrade`] Implement `unnecessary-default-type-args` (`UP043`) ([#12371](https://togithub.com/astral-sh/ruff/pull/12371))
##### Rule changes
- \[`flake8-bugbear`] Detect enumerate iterations in `loop-iterator-mutation` (`B909`) ([#12366](https://togithub.com/astral-sh/ruff/pull/12366))
- \[`flake8-bugbear`] Remove `discard`, `remove`, and `pop` allowance for `loop-iterator-mutation` (`B909`) ([#12365](https://togithub.com/astral-sh/ruff/pull/12365))
- \[`pylint`] Allow `repeated-equality-comparison` for mixed operations (`PLR1714`) ([#12369](https://togithub.com/astral-sh/ruff/pull/12369))
- \[`pylint`] Ignore `self` and `cls` when counting arguments (`PLR0913`) ([#12367](https://togithub.com/astral-sh/ruff/pull/12367))
- \[`pylint`] Use UTF-8 as default encoding in `unspecified-encoding` fix (`PLW1514`) ([#12370](https://togithub.com/astral-sh/ruff/pull/12370))
##### Server
- Build settings index in parallel for the native server ([#12299](https://togithub.com/astral-sh/ruff/pull/12299))
- Use fallback settings when indexing the project ([#12362](https://togithub.com/astral-sh/ruff/pull/12362))
- Consider `--preview` flag for `server` subcommand for the linter and formatter ([#12208](https://togithub.com/astral-sh/ruff/pull/12208))
##### Bug fixes
- \[`flake8-comprehensions`] Allow additional arguments for `sum` and `max` comprehensions (`C419`) ([#12364](https://togithub.com/astral-sh/ruff/pull/12364))
- \[`pylint`] Avoid dropping extra boolean operations in `repeated-equality-comparison` (`PLR1714`) ([#12368](https://togithub.com/astral-sh/ruff/pull/12368))
- \[`pylint`] Consider expression before statement when determining binding kind (`PLR1704`) ([#12346](https://togithub.com/astral-sh/ruff/pull/12346))
##### Documentation
- Add docs for Ruff language server ([#12344](https://togithub.com/astral-sh/ruff/pull/12344))
- Migrate to standalone docs repo ([#12341](https://togithub.com/astral-sh/ruff/pull/12341))
- Update versioning policy for editor integration ([#12375](https://togithub.com/astral-sh/ruff/pull/12375))
##### Other changes
- Publish Wasm API to npm ([#12317](https://togithub.com/astral-sh/ruff/pull/12317))
### [`v0.5.2`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#052)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.1...0.5.2)
##### Preview features
- Use `space` separator before parenthesized expressions in comprehensions with leading comments ([#12282](https://togithub.com/astral-sh/ruff/pull/12282))
- \[`flake8-async`] Update `ASYNC100` to include `anyio` and `asyncio` ([#12221](https://togithub.com/astral-sh/ruff/pull/12221))
- \[`flake8-async`] Update `ASYNC109` to include `anyio` and `asyncio` ([#12236](https://togithub.com/astral-sh/ruff/pull/12236))
- \[`flake8-async`] Update `ASYNC110` to include `anyio` and `asyncio` ([#12261](https://togithub.com/astral-sh/ruff/pull/12261))
- \[`flake8-async`] Update `ASYNC115` to include `anyio` and `asyncio` ([#12262](https://togithub.com/astral-sh/ruff/pull/12262))
- \[`flake8-async`] Update `ASYNC116` to include `anyio` and `asyncio` ([#12266](https://togithub.com/astral-sh/ruff/pull/12266))
##### Rule changes
- \[`flake8-return`] Exempt properties from explicit return rule (`RET501`) ([#12243](https://togithub.com/astral-sh/ruff/pull/12243))
- \[`numpy`] Add `np.NAN`-to-`np.nan` diagnostic ([#12292](https://togithub.com/astral-sh/ruff/pull/12292))
- \[`refurb`] Make `list-reverse-copy` an unsafe fix ([#12303](https://togithub.com/astral-sh/ruff/pull/12303))
##### Server
- Consider `include` and `extend-include` settings in native server ([#12252](https://togithub.com/astral-sh/ruff/pull/12252))
- Include nested configurations in settings reloading ([#12253](https://togithub.com/astral-sh/ruff/pull/12253))
##### CLI
- Omit code frames for fixes with empty ranges ([#12304](https://togithub.com/astral-sh/ruff/pull/12304))
- Warn about formatter incompatibility for `D203` ([#12238](https://togithub.com/astral-sh/ruff/pull/12238))
##### Bug fixes
- Make cache-write failures non-fatal on Windows ([#12302](https://togithub.com/astral-sh/ruff/pull/12302))
- Treat `not` operations as boolean tests ([#12301](https://togithub.com/astral-sh/ruff/pull/12301))
- \[`flake8-bandit`] Avoid `S310` violations for HTTP-safe f-strings ([#12305](https://togithub.com/astral-sh/ruff/pull/12305))
- \[`flake8-bandit`] Support explicit string concatenations in S310 HTTP detection ([#12315](https://togithub.com/astral-sh/ruff/pull/12315))
- \[`flake8-bandit`] fix S113 false positive for httpx without `timeout` argument ([#12213](https://togithub.com/astral-sh/ruff/pull/12213))
- \[`pycodestyle`] Remove "non-obvious" allowance for E721 ([#12300](https://togithub.com/astral-sh/ruff/pull/12300))
- \[`pyflakes`] Consider `with` blocks as single-item branches for redefinition analysis ([#12311](https://togithub.com/astral-sh/ruff/pull/12311))
- \[`refurb`] Restrict forwarding for `newline` argument in `open()` calls to Python versions >= 3.10 ([#12244](https://togithub.com/astral-sh/ruff/pull/12244))
##### Documentation
- Update help and documentation to reflect `--output-format full` default ([#12248](https://togithub.com/astral-sh/ruff/pull/12248))
##### Performance
- Use more threads when discovering Python files ([#12258](https://togithub.com/astral-sh/ruff/pull/12258))
### [`v0.5.1`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#051)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.0...0.5.1)
##### Preview features
- \[`flake8-bugbear`] Implement mutable-contextvar-default (B039) ([#12113](https://togithub.com/astral-sh/ruff/pull/12113))
- \[`pycodestyle`] Whitespace after decorator (`E204`) ([#12140](https://togithub.com/astral-sh/ruff/pull/12140))
- \[`pytest`] Reverse `PT001` and `PT0023` defaults ([#12106](https://togithub.com/astral-sh/ruff/pull/12106))
##### Rule changes
- Enable token-based rules on source with syntax errors ([#11950](https://togithub.com/astral-sh/ruff/pull/11950))
- \[`flake8-bandit`] Detect `httpx` for `S113` ([#12174](https://togithub.com/astral-sh/ruff/pull/12174))
- \[`numpy`] Update `NPY201` to include exception deprecations ([#12065](https://togithub.com/astral-sh/ruff/pull/12065))
- \[`pylint`] Generate autofix for `duplicate-bases` (`PLE0241`) ([#12105](https://togithub.com/astral-sh/ruff/pull/12105))
##### Server
- Avoid syntax error notification for source code actions ([#12148](https://togithub.com/astral-sh/ruff/pull/12148))
- Consider the content of the new cells during notebook sync ([#12203](https://togithub.com/astral-sh/ruff/pull/12203))
- Fix replacement edit range computation ([#12171](https://togithub.com/astral-sh/ruff/pull/12171))
##### Bug fixes
- Disable auto-fix when source has syntax errors ([#12134](https://togithub.com/astral-sh/ruff/pull/12134))
- Fix cache key collisions for paths with separators ([#12159](https://togithub.com/astral-sh/ruff/pull/12159))
- Make `requires-python` inference robust to `==` ([#12091](https://togithub.com/astral-sh/ruff/pull/12091))
- Use char-wise width instead of `str`-width ([#12135](https://togithub.com/astral-sh/ruff/pull/12135))
- \[`pycodestyle`] Avoid `E275` if keyword followed by comma ([#12136](https://togithub.com/astral-sh/ruff/pull/12136))
- \[`pycodestyle`] Avoid `E275` if keyword is followed by a semicolon ([#12095](https://togithub.com/astral-sh/ruff/pull/12095))
- \[`pylint`] Skip [dummy variables](https://docs.astral.sh/ruff/settings/#lint_dummy-variable-rgx) for `PLR1704` ([#12190](https://togithub.com/astral-sh/ruff/pull/12190))
##### Performance
- Remove allocation in `parse_identifier` ([#12103](https://togithub.com/astral-sh/ruff/pull/12103))
- Use `CompactString` for `Identifier` AST node ([#12101](https://togithub.com/astral-sh/ruff/pull/12101))
### [`v0.5.0`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#050)
[Compare Source](https://togithub.com/astral-sh/ruff/compare/v0.4.10...0.5.0)
Check out the [blog post](https://astral.sh/blog/ruff-v0.5.0) for a migration guide and overview of the changes!
##### Breaking changes
See also, the "Remapped rules" section which may result in disabled rules.
- Follow the XDG specification to discover user-level configurations on macOS (same as on other Unix platforms)
- Selecting `ALL` now excludes deprecated rules
- The released archives now include an extra level of nesting, which can be removed with `--strip-components=1` when untarring.
- The release artifact's file name no longer includes the version tag. This enables users to install via `/latest` URLs on GitHub.
##### Deprecations
The following rules are now deprecated:
- [`syntax-error`](https://docs.astral.sh/ruff/rules/syntax-error/) (`E999`): Syntax errors are now always shown
##### Remapped rules
The following rules have been remapped to new rule codes:
- [`blocking-http-call-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-http-call-in-async-function/): `ASYNC100` to `ASYNC210`
- [`open-sleep-or-subprocess-in-async-function`](https://docs.astral.sh/ruff/rules/open-sleep-or-subprocess-in-async-function/): `ASYNC101` split into `ASYNC220`, `ASYNC221`, `ASYNC230`, and `ASYNC251`
- [`blocking-os-call-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-os-call-in-async-function/): `ASYNC102` has been merged into `ASYNC220` and `ASYNC221`
- [`trio-timeout-without-await`](https://docs.astral.sh/ruff/rules/trio-timeout-without-await/): `TRIO100` to `ASYNC100`
- [`trio-sync-call`](https://docs.astral.sh/ruff/rules/trio-sync-call/): `TRIO105` to `ASYNC105`
- [`trio-async-function-with-timeout`](https://docs.astral.sh/ruff/rules/trio-async-function-with-timeout/): `TRIO109` to `ASYNC109`
- [`trio-unneeded-sleep`](https://docs.astral.sh/ruff/rules/trio-unneeded-sleep/): `TRIO110` to `ASYNC110`
- [`trio-zero-sleep-call`](https://docs.astral.sh/ruff/rules/trio-zero-sleep-call/): `TRIO115` to `ASYNC115`
- [`repeated-isinstance-calls`](https://docs.astral.sh/ruff/rules/repeated-isinstance-calls/): `PLR1701` to `SIM101`
##### Stabilization
The following rules have been stabilized and are no longer in preview:
- [`mutable-fromkeys-value`](https://docs.astral.sh/ruff/rules/mutable-fromkeys-value/) (`RUF024`)
- [`default-factory-kwarg`](https://docs.astral.sh/ruff/rules/default-factory-kwarg/) (`RUF026`)
- [`django-extra`](https://docs.astral.sh/ruff/rules/django-extra/) (`S610`)
- [`manual-dict-comprehension`](https://docs.astral.sh/ruff/rules/manual-dict-comprehension/) (`PERF403`)
- [`print-empty-string`](https://docs.astral.sh/ruff/rules/print-empty-string/) (`FURB105`)
- [`readlines-in-for`](https://docs.astral.sh/ruff/rules/readlines-in-for/) (`FURB129`)
- [`if-expr-min-max`](https://docs.astral.sh/ruff/rules/if-expr-min-max/) (`FURB136`)
- [`bit-count`](https://docs.astral.sh/ruff/rules/bit-count/) (`FURB161`)
- [`redundant-log-base`](https://docs.astral.sh/ruff/rules/redundant-log-base/) (`FURB163`)
- [`regex-flag-alias`](https://docs.astral.sh/ruff/rules/regex-flag-alias/) (`FURB167`)
- [`isinstance-type-none`](https://docs.astral.sh/ruff/rules/isinstance-type-none/) (`FURB168`)
- [`type-none-comparison`](https://docs.astral.sh/ruff/rules/type-none-comparison/) (`FURB169`)
- [`implicit-cwd`](https://docs.astral.sh/ruff/rules/implicit-cwd/) (`FURB177`)
- [`hashlib-digest-hex`](https://docs.astral.sh/ruff/rules/hashlib-digest-hex/) (`FURB181`)
- [`list-reverse-copy`](https://docs.astral.sh/ruff/rules/list-reverse-copy/) (`FURB187`)
- [`bad-open-mode`](https://docs.astral.sh/ruff/rules/bad-open-mode/) (`PLW1501`)
- [`empty-comment`](https://docs.astral.sh/ruff/rules/empty-comment/) (`PLR2044`)
- [`global-at-module-level`](https://docs.astral.sh/ruff/rules/global-at-module-level/) (`PLW0604`)
- [`misplaced-bare-raise`](https://docs.astral.sh/ruff/rules/misplaced-bare-raise%60/) (`PLE0744`)
- [`non-ascii-import-name`](https://docs.astral.sh/ruff/rules/non-ascii-import-name/) (`PLC2403`)
- [`non-ascii-name`](https://docs.astral.sh/ruff/rules/non-ascii-name/) (`PLC2401`)
- [`nonlocal-and-global`](https://docs.astral.sh/ruff/rules/nonlocal-and-global/) (`PLE0115`)
- [`potential-index-error`](https://docs.astral.sh/ruff/rules/potential-index-error/) (`PLE0643`)
- [`redeclared-assigned-name`](https://docs.astral.sh/ruff/rules/redeclared-assigned-name/) (`PLW0128`)
- [`redefined-argument-from-local`](https://docs.astral.sh/ruff/rules/redefined-argument-from-local/) (`PLR1704`)
- [`repeated-keyword-argument`](https://docs.astral.sh/ruff/rules/repeated-keyword-argument/) (`PLE1132`)
- [`super-without-brackets`](https://docs.astral.sh/ruff/rules/super-without-brackets/) (`PLW0245`)
- [`unnecessary-list-index-lookup`](https://docs.astral.sh/ruff/rules/unnecessary-list-index-lookup/) (`PLR1736`)
- [`useless-exception-statement`](https://docs.astral.sh/ruff/rules/useless-exception-statement/) (`PLW0133`)
- [`useless-with-lock`](https://docs.astral.sh/ruff/rules/useless-with-lock/) (`PLW2101`)
The following behaviors have been stabilized:
- [`is-literal`](https://docs.astral.sh/ruff/rules/is-literal/) (`F632`) now warns for identity checks against list, set or dictionary literals
- [`needless-bool`](https://docs.astral.sh/ruff/rules/needless-bool/) (`SIM103`) now detects `if` expressions with implicit `else` branches
- [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file/) (`E402`) now allows `os.environ` modifications between import statements
- [`type-comparison`](https://docs.astral.sh/ruff/rules/type-comparison/) (`E721`) now allows idioms such as `type(x) is int`
- [`yoda-condition`](https://docs.astral.sh/ruff/rules/yoda-conditions/) (`SIM300`) now flags a wider range of expressions
##### Removals
The following deprecated settings have been removed:
- `output-format=text`; use `output-format=concise` or `output-format=full`
- `tab-size`; use `indent-width`
The following deprecated CLI options have been removed:
- `--show-source`; use `--output-format=full`
- `--no-show-source`; use `--output-format=concise`
The following deprecated CLI commands have been removed:
- `ruff `; use `ruff check `
- `ruff --clean`; use `ruff clean`
- `ruff --generate-shell-completion`; use `ruff generate-shell-completion`
##### Preview features
- \[`ruff`] Add `assert-with-print-message` rule ([#11981](https://togithub.com/astral-sh/ruff/pull/11981))
##### CLI
- Use rule name rather than message in `--statistics` ([#11697](https://togithub.com/astral-sh/ruff/pull/11697))
- Use the output format `full` by default ([#12010](https://togithub.com/astral-sh/ruff/pull/12010))
- Don't log syntax errors to the console ([#11902](https://togithub.com/astral-sh/ruff/pull/11902))
##### Rule changes
- \[`ruff`] Fix false positives if `gettext` is imported using an alias (`RUF027`) ([#12025](https://togithub.com/astral-sh/ruff/pull/12025))
- \[`npy`] Update `trapz` and `in1d` deprecation (`NPY201`) ([#11948](https://togithub.com/astral-sh/ruff/pull/11948))
- \[`flake8-bandit`] Modify diagnostic ranges for shell-related rules ([#10667](https://togithub.com/astral-sh/ruff/pull/10667))
##### Server
- Closing an untitled, unsaved notebook document no longer throws an error ([#11942](https://togithub.com/astral-sh/ruff/pull/11942))
- Support the usage of tildes and environment variables in `logFile` ([#11945](https://togithub.com/astral-sh/ruff/pull/11945))
- Add option to configure whether to show syntax errors ([#12059](https://togithub.com/astral-sh/ruff/pull/12059))
##### Bug fixes
- \[`pycodestyle`] Avoid `E203` for f-string debug expression ([#12024](https://togithub.com/astral-sh/ruff/pull/12024))
- \[`pep8-naming`] Match import-name ignores against both name and alias (`N812`, `N817`) ([#12033](https://togithub.com/astral-sh/ruff/pull/12033))
- \[`pyflakes`] Detect assignments that shadow definitions (`F811`) ([#11961](https://togithub.com/astral-sh/ruff/pull/11961))
##### Parser
- Emit a syntax error for an empty type parameter list ([#12030](https://togithub.com/astral-sh/ruff/pull/12030))
- Avoid consuming the newline for unterminated strings ([#12067](https://togithub.com/astral-sh/ruff/pull/12067))
- Do not include the newline in the unterminated string range ([#12017](https://togithub.com/astral-sh/ruff/pull/12017))
- Use the correct range to highlight line continuation errors ([#12016](https://togithub.com/astral-sh/ruff/pull/12016))
- Consider 2-character EOL before line continuations ([#12035](https://togithub.com/astral-sh/ruff/pull/12035))
- Consider line continuation character for re-lexing ([#12008](https://togithub.com/astral-sh/ruff/pull/12008))
##### Other changes
- Upgrade the Unicode table used for measuring the line-length ([#11194](https://togithub.com/astral-sh/ruff/pull/11194))
- Remove the deprecation error message for the nursery selector ([#10172](https://togithub.com/astral-sh/ruff/pull/10172))
Configuration
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🔕 Ignore: Close this PR and you won't be reminded about this update again.
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This PR contains the following updates:
^0.4.0->^0.6.0Release Notes
astral-sh/ruff (ruff)
### [`v0.6.2`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#062) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.6.1...0.6.2) ##### Preview features - \[`flake8-simplify`] Extend `open-file-with-context-handler` to work with other standard-library IO modules (`SIM115`) ([#12959](https://togithub.com/astral-sh/ruff/pull/12959)) - \[`ruff`] Avoid `unused-async` for functions with FastAPI route decorator (`RUF029`) ([#12938](https://togithub.com/astral-sh/ruff/pull/12938)) - \[`ruff`] Ignore `fstring-missing-syntax` (`RUF027`) for `fastAPI` paths ([#12939](https://togithub.com/astral-sh/ruff/pull/12939)) - \[`ruff`] Implement check for Decimal called with a float literal (RUF032) ([#12909](https://togithub.com/astral-sh/ruff/pull/12909)) ##### Rule changes - \[`flake8-bugbear`] Update diagnostic message when expression is at the end of function (`B015`) ([#12944](https://togithub.com/astral-sh/ruff/pull/12944)) - \[`flake8-pyi`] Skip type annotations in `string-or-bytes-too-long` (`PYI053`) ([#13002](https://togithub.com/astral-sh/ruff/pull/13002)) - \[`flake8-type-checking`] Always recognise relative imports as first-party ([#12994](https://togithub.com/astral-sh/ruff/pull/12994)) - \[`flake8-unused-arguments`] Ignore unused arguments on stub functions (`ARG001`) ([#12966](https://togithub.com/astral-sh/ruff/pull/12966)) - \[`pylint`] Ignore augmented assignment for `self-cls-assignment` (`PLW0642`) ([#12957](https://togithub.com/astral-sh/ruff/pull/12957)) ##### Server - Show full context in error log messages ([#13029](https://togithub.com/astral-sh/ruff/pull/13029)) ##### Bug fixes - \[`pep8-naming`] Don't flag `from` imports following conventional import names (`N817`) ([#12946](https://togithub.com/astral-sh/ruff/pull/12946)) - \[`pylint`] - Allow `__new__` methods to have `cls` as their first argument even if decorated with `@staticmethod` for `bad-staticmethod-argument` (`PLW0211`) ([#12958](https://togithub.com/astral-sh/ruff/pull/12958)) ##### Documentation - Add `hyperfine` installation instructions; update `hyperfine` code samples ([#13034](https://togithub.com/astral-sh/ruff/pull/13034)) - Expand note to use Ruff with other language server in Kate ([#12806](https://togithub.com/astral-sh/ruff/pull/12806)) - Update example for `PT001` as per the new default behavior ([#13019](https://togithub.com/astral-sh/ruff/pull/13019)) - \[`perflint`] Improve docs for `try-except-in-loop` (`PERF203`) ([#12947](https://togithub.com/astral-sh/ruff/pull/12947)) - \[`pydocstyle`] Add reference to `lint.pydocstyle.ignore-decorators` setting to rule docs ([#12996](https://togithub.com/astral-sh/ruff/pull/12996)) ### [`v0.6.1`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#061) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.6.0...0.6.1) This is a hotfix release to address an issue with `ruff-pre-commit`. In v0.6, Ruff changed its behavior to lint and format Jupyter notebooks by default; however, due to an oversight, these files were still excluded by default if Ruff was run via pre-commit, leading to inconsistent behavior. This has [now been fixed](https://togithub.com/astral-sh/ruff-pre-commit/pull/96). ##### Preview features - \[`fastapi`] Implement `fast-api-unused-path-parameter` (`FAST003`) ([#12638](https://togithub.com/astral-sh/ruff/pull/12638)) ##### Rule changes - \[`pylint`] Rename `too-many-positional` to `too-many-positional-arguments` (`R0917`) ([#12905](https://togithub.com/astral-sh/ruff/pull/12905)) ##### Server - Fix crash when applying "fix-all" code-action to notebook cells ([#12929](https://togithub.com/astral-sh/ruff/pull/12929)) ##### Other changes - \[`flake8-naming`]: Respect import conventions (`N817`) ([#12922](https://togithub.com/astral-sh/ruff/pull/12922)) ### [`v0.6.0`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#060) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.7...0.6.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.6.0) for a migration guide and overview of the changes! ##### Breaking changes See also, the "Remapped rules" section which may result in disabled rules. - Lint and format Jupyter Notebook by default ([#12878](https://togithub.com/astral-sh/ruff/pull/12878)). - Detect imports in `src` layouts by default for `isort` rules ([#12848](https://togithub.com/astral-sh/ruff/pull/12848)) - The pytest rules `PT001` and `PT023` now default to omitting the decorator parentheses when there are no arguments ([#12838](https://togithub.com/astral-sh/ruff/pull/12838)). ##### Deprecations The following rules are now deprecated: - [`pytest-missing-fixture-name-underscore`](https://docs.astral.sh/ruff/rules/pytest-missing-fixture-name-underscore/) (`PT004`) - [`pytest-incorrect-fixture-name-underscore`](https://docs.astral.sh/ruff/rules/pytest-incorrect-fixture-name-underscore/) (`PT005`) - [`unpacked-list-comprehension`](https://docs.astral.sh/ruff/rules/unpacked-list-comprehension/) (`UP027`) ##### Remapped rules The following rules have been remapped to new rule codes: - [`unnecessary-dict-comprehension-for-iterable`](https://docs.astral.sh/ruff/rules/unnecessary-dict-comprehension-for-iterable/): `RUF025` to `C420` ##### Stabilization The following rules have been stabilized and are no longer in preview: - [`singledispatch-method`](https://docs.astral.sh/ruff/rules/singledispatch-method/) (`PLE1519`) - [`singledispatchmethod-function`](https://docs.astral.sh/ruff/rules/singledispatchmethod-function/) (`PLE1520`) - [`bad-staticmethod-argument`](https://docs.astral.sh/ruff/rules/bad-staticmethod-argument/) (`PLW0211`) - [`if-stmt-min-max`](https://docs.astral.sh/ruff/rules/if-stmt-min-max/) (`PLR1730`) - [`invalid-bytes-return-type`](https://docs.astral.sh/ruff/rules/invalid-bytes-return-type/) (`PLE0308`) - [`invalid-hash-return-type`](https://docs.astral.sh/ruff/rules/invalid-hash-return-type/) (`PLE0309`) - [`invalid-index-return-type`](https://docs.astral.sh/ruff/rules/invalid-index-return-type/) (`PLE0305`) - [`invalid-length-return-type`](https://docs.astral.sh/ruff/rules/invalid-length-return-type/) (`E303`) - [`self-or-cls-assignment`](https://docs.astral.sh/ruff/rules/self-or-cls-assignment/) (`PLW0642`) - [`byte-string-usage`](https://docs.astral.sh/ruff/rules/byte-string-usage/) (`PYI057`) - [`duplicate-literal-member`](https://docs.astral.sh/ruff/rules/duplicate-literal-member/) (`PYI062`) - [`redirected-noqa`](https://docs.astral.sh/ruff/rules/redirected-noqa/) (`RUF101`) The following behaviors have been stabilized: - [`cancel-scope-no-checkpoint`](https://docs.astral.sh/ruff/rules/cancel-scope-no-checkpoint/) (`ASYNC100`): Support `asyncio` and `anyio` context mangers. - [`async-function-with-timeout`](https://docs.astral.sh/ruff/rules/async-function-with-timeout/) (`ASYNC109`): Support `asyncio` and `anyio` context mangers. - [`async-busy-wait`](https://docs.astral.sh/ruff/rules/async-busy-wait/) (`ASYNC110`): Support `asyncio` and `anyio` context mangers. - [`async-zero-sleep`](https://docs.astral.sh/ruff/rules/async-zero-sleep/) (`ASYNC115`): Support `anyio` context mangers. - [`long-sleep-not-forever`](https://docs.astral.sh/ruff/rules/long-sleep-not-forever/) (`ASYNC116`): Support `anyio` context mangers. The following fixes have been stabilized: - [`superfluous-else-return`](https://docs.astral.sh/ruff/rules/superfluous-else-return/) (`RET505`) - [`superfluous-else-raise`](https://docs.astral.sh/ruff/rules/superfluous-else-raise/) (`RET506`) - [`superfluous-else-continue`](https://docs.astral.sh/ruff/rules/superfluous-else-continue/) (`RET507`) - [`superfluous-else-break`](https://docs.astral.sh/ruff/rules/superfluous-else-break/) (`RET508`) ##### Preview features - \[`flake8-simplify`] Further simplify to binary in preview for (`SIM108`) ([#12796](https://togithub.com/astral-sh/ruff/pull/12796)) - \[`pyupgrade`] Show violations without auto-fix (`UP031`) ([#11229](https://togithub.com/astral-sh/ruff/pull/11229)) ##### Rule changes - \[`flake8-import-conventions`] Add `xml.etree.ElementTree` to default conventions ([#12455](https://togithub.com/astral-sh/ruff/pull/12455)) - \[`flake8-pytest-style`] Add a space after comma in CSV output (`PT006`) ([#12853](https://togithub.com/astral-sh/ruff/pull/12853)) ##### Server - Show a message for incorrect settings ([#12781](https://togithub.com/astral-sh/ruff/pull/12781)) ##### Bug fixes - \[`flake8-async`] Do not lint yield in context manager (`ASYNC100`) ([#12896](https://togithub.com/astral-sh/ruff/pull/12896)) - \[`flake8-comprehensions`] Do not lint `async for` comprehensions (`C419`) ([#12895](https://togithub.com/astral-sh/ruff/pull/12895)) - \[`flake8-return`] Only add return `None` at end of a function (`RET503`) ([#11074](https://togithub.com/astral-sh/ruff/pull/11074)) - \[`flake8-type-checking`] Avoid treating `dataclasses.KW_ONLY` as typing-only (`TCH003`) ([#12863](https://togithub.com/astral-sh/ruff/pull/12863)) - \[`pep8-naming`] Treat `type(Protocol)` et al as metaclass base (`N805`) ([#12770](https://togithub.com/astral-sh/ruff/pull/12770)) - \[`pydoclint`] Don't enforce returns and yields in abstract methods (`DOC201`, `DOC202`) ([#12771](https://togithub.com/astral-sh/ruff/pull/12771)) - \[`ruff`] Skip tuples with slice expressions in (`RUF031`) ([#12768](https://togithub.com/astral-sh/ruff/pull/12768)) - \[`ruff`] Ignore unparenthesized tuples in subscripts when the subscript is a type annotation or type alias (`RUF031`) ([#12762](https://togithub.com/astral-sh/ruff/pull/12762)) - \[`ruff`] Ignore template strings passed to logging and `builtins._()` calls (`RUF027`) ([#12889](https://togithub.com/astral-sh/ruff/pull/12889)) - \[`ruff`] Do not remove parens for tuples with starred expressions in Python <=3.10 (`RUF031`) ([#12784](https://togithub.com/astral-sh/ruff/pull/12784)) - Evaluate default parameter values for a function in that function's enclosing scope ([#12852](https://togithub.com/astral-sh/ruff/pull/12852)) ##### Other changes - Respect VS Code cell metadata when detecting the language of Jupyter Notebook cells ([#12864](https://togithub.com/astral-sh/ruff/pull/12864)) - Respect `kernelspec` notebook metadata when detecting the preferred language for a Jupyter Notebook ([#12875](https://togithub.com/astral-sh/ruff/pull/12875)) ### [`v0.5.7`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#057) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.6...0.5.7) ##### Preview features - \[`flake8-comprehensions`] Account for list and set comprehensions in `unnecessary-literal-within-tuple-call` (`C409`) ([#12657](https://togithub.com/astral-sh/ruff/pull/12657)) - \[`flake8-pyi`] Add autofix for `future-annotations-in-stub` (`PYI044`) ([#12676](https://togithub.com/astral-sh/ruff/pull/12676)) - \[`flake8-return`] Avoid syntax error when auto-fixing `RET505` with mixed indentation (space and tabs) ([#12740](https://togithub.com/astral-sh/ruff/pull/12740)) - \[`pydoclint`] Add `docstring-missing-yields` (`DOC402`) and `docstring-extraneous-yields` (`DOC403`) ([#12538](https://togithub.com/astral-sh/ruff/pull/12538)) - \[`pydoclint`] Avoid `DOC201` if docstring begins with "Return", "Returns", "Yield", or "Yields" ([#12675](https://togithub.com/astral-sh/ruff/pull/12675)) - \[`pydoclint`] Deduplicate collected exceptions after traversing function bodies (`DOC501`) ([#12642](https://togithub.com/astral-sh/ruff/pull/12642)) - \[`pydoclint`] Ignore `DOC` errors for stub functions ([#12651](https://togithub.com/astral-sh/ruff/pull/12651)) - \[`pydoclint`] Teach rules to understand reraised exceptions as being explicitly raised (`DOC501`, `DOC502`) ([#12639](https://togithub.com/astral-sh/ruff/pull/12639)) - \[`ruff`] Implement `incorrectly-parenthesized-tuple-in-subscript` (`RUF031`) ([#12480](https://togithub.com/astral-sh/ruff/pull/12480)) - \[`ruff`] Mark `RUF023` fix as unsafe if `__slots__` is not a set and the binding is used elsewhere ([#12692](https://togithub.com/astral-sh/ruff/pull/12692)) ##### Rule changes - \[`refurb`] Add autofix for `implicit-cwd` (`FURB177`) ([#12708](https://togithub.com/astral-sh/ruff/pull/12708)) - \[`ruff`] Add autofix for `zip-instead-of-pairwise` (`RUF007`) ([#12663](https://togithub.com/astral-sh/ruff/pull/12663)) - \[`tryceratops`] Add `BaseException` to `raise-vanilla-class` rule (`TRY002`) ([#12620](https://togithub.com/astral-sh/ruff/pull/12620)) ##### Server - Ignore non-file workspace URL; Ruff will display a warning notification in this case ([#12725](https://togithub.com/astral-sh/ruff/pull/12725)) ##### CLI - Fix cache invalidation for nested `pyproject.toml` files ([#12727](https://togithub.com/astral-sh/ruff/pull/12727)) ##### Bug fixes - \[`flake8-async`] Fix false positives with multiple `async with` items (`ASYNC100`) ([#12643](https://togithub.com/astral-sh/ruff/pull/12643)) - \[`flake8-bandit`] Avoid false-positives for list concatenations in SQL construction (`S608`) ([#12720](https://togithub.com/astral-sh/ruff/pull/12720)) - \[`flake8-bugbear`] Treat `return` as equivalent to `break` (`B909`) ([#12646](https://togithub.com/astral-sh/ruff/pull/12646)) - \[`flake8-comprehensions`] Set comprehensions not a violation for `sum` in `unnecessary-comprehension-in-call` (`C419`) ([#12691](https://togithub.com/astral-sh/ruff/pull/12691)) - \[`flake8-simplify`] Parenthesize conditions based on precedence when merging if arms (`SIM114`) ([#12737](https://togithub.com/astral-sh/ruff/pull/12737)) - \[`pydoclint`] Try both 'Raises' section styles when convention is unspecified (`DOC501`) ([#12649](https://togithub.com/astral-sh/ruff/pull/12649)) ### [`v0.5.6`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#056) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.5...0.5.6) Ruff 0.5.6 automatically enables linting and formatting of notebooks in *preview mode*. You can opt-out of this behavior by adding `*.ipynb` to the `extend-exclude` setting. ```toml [tool.ruff] extend-exclude = ["*.ipynb"] ``` ##### Preview features - Enable notebooks by default in preview mode ([#12621](https://togithub.com/astral-sh/ruff/pull/12621)) - \[`flake8-builtins`] Implement import, lambda, and module shadowing ([#12546](https://togithub.com/astral-sh/ruff/pull/12546)) - \[`pydoclint`] Add `docstring-missing-returns` (`DOC201`) and `docstring-extraneous-returns` (`DOC202`) ([#12485](https://togithub.com/astral-sh/ruff/pull/12485)) ##### Rule changes - \[`flake8-return`] Exempt cached properties and other property-like decorators from explicit return rule (`RET501`) ([#12563](https://togithub.com/astral-sh/ruff/pull/12563)) ##### Server - Make server panic hook more error resilient ([#12610](https://togithub.com/astral-sh/ruff/pull/12610)) - Use `$/logTrace` for server trace logs in Zed and VS Code ([#12564](https://togithub.com/astral-sh/ruff/pull/12564)) - Keep track of deleted cells for reorder change request ([#12575](https://togithub.com/astral-sh/ruff/pull/12575)) ##### Configuration - \[`flake8-implicit-str-concat`] Always allow explicit multi-line concatenations when implicit concatenations are banned ([#12532](https://togithub.com/astral-sh/ruff/pull/12532)) ##### Bug fixes - \[`flake8-async`] Avoid flagging `asyncio.timeout`s as unused when the context manager includes `asyncio.TaskGroup` ([#12605](https://togithub.com/astral-sh/ruff/pull/12605)) - \[`flake8-slots`] Avoid recommending `__slots__` for classes that inherit from more than `namedtuple` ([#12531](https://togithub.com/astral-sh/ruff/pull/12531)) - \[`isort`] Avoid marking required imports as unused ([#12537](https://togithub.com/astral-sh/ruff/pull/12537)) - \[`isort`] Preserve trailing inline comments on import-from statements ([#12498](https://togithub.com/astral-sh/ruff/pull/12498)) - \[`pycodestyle`] Add newlines before comments (`E305`) ([#12606](https://togithub.com/astral-sh/ruff/pull/12606)) - \[`pycodestyle`] Don't attach comments with mismatched indents ([#12604](https://togithub.com/astral-sh/ruff/pull/12604)) - \[`pyflakes`] Fix preview-mode bugs in `F401` when attempting to autofix unused first-party submodule imports in an `__init__.py` file ([#12569](https://togithub.com/astral-sh/ruff/pull/12569)) - \[`pylint`] Respect start index in `unnecessary-list-index-lookup` ([#12603](https://togithub.com/astral-sh/ruff/pull/12603)) - \[`pyupgrade`] Avoid recommending no-argument super in `slots=True` dataclasses ([#12530](https://togithub.com/astral-sh/ruff/pull/12530)) - \[`pyupgrade`] Use colon rather than dot formatting for integer-only types ([#12534](https://togithub.com/astral-sh/ruff/pull/12534)) - Fix NFKC normalization bug when removing unused imports ([#12571](https://togithub.com/astral-sh/ruff/pull/12571)) ##### Other changes - Consider more stdlib decorators to be property-like ([#12583](https://togithub.com/astral-sh/ruff/pull/12583)) - Improve handling of metaclasses in various linter rules ([#12579](https://togithub.com/astral-sh/ruff/pull/12579)) - Improve consistency between linter rules in determining whether a function is property ([#12581](https://togithub.com/astral-sh/ruff/pull/12581)) ### [`v0.5.5`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#055) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.4...0.5.5) ##### Preview features - \[`fastapi`] Implement `fastapi-redundant-response-model` (`FAST001`) and `fastapi-non-annotated-dependency`(`FAST002`) ([#11579](https://togithub.com/astral-sh/ruff/pull/11579)) - \[`pydoclint`] Implement `docstring-missing-exception` (`DOC501`) and `docstring-extraneous-exception` (`DOC502`) ([#11471](https://togithub.com/astral-sh/ruff/pull/11471)) ##### Rule changes - \[`numpy`] Fix NumPy 2.0 rule for `np.alltrue` and `np.sometrue` ([#12473](https://togithub.com/astral-sh/ruff/pull/12473)) - \[`numpy`] Ignore `NPY201` inside `except` blocks for compatibility with older numpy versions ([#12490](https://togithub.com/astral-sh/ruff/pull/12490)) - \[`pep8-naming`] Avoid applying `ignore-names` to `self` and `cls` function names (`N804`, `N805`) ([#12497](https://togithub.com/astral-sh/ruff/pull/12497)) ##### Formatter - Fix incorrect placement of leading function comment with type params ([#12447](https://togithub.com/astral-sh/ruff/pull/12447)) ##### Server - Do not bail code action resolution when a quick fix is requested ([#12462](https://togithub.com/astral-sh/ruff/pull/12462)) ##### Bug fixes - Fix `Ord` implementation of `cmp_fix` ([#12471](https://togithub.com/astral-sh/ruff/pull/12471)) - Raise syntax error for unparenthesized generator expression in multi-argument call ([#12445](https://togithub.com/astral-sh/ruff/pull/12445)) - \[`pydoclint`] Fix panic in `DOC501` reported in [#12428](https://togithub.com/astral-sh/ruff/pull/12428) ([#12435](https://togithub.com/astral-sh/ruff/pull/12435)) - \[`flake8-bugbear`] Allow singleton tuples with starred expressions in `B013` ([#12484](https://togithub.com/astral-sh/ruff/pull/12484)) ##### Documentation - Add Eglot setup guide for Emacs editor ([#12426](https://togithub.com/astral-sh/ruff/pull/12426)) - Add note about the breaking change in `nvim-lspconfig` ([#12507](https://togithub.com/astral-sh/ruff/pull/12507)) - Add note to include notebook files for native server ([#12449](https://togithub.com/astral-sh/ruff/pull/12449)) - Add setup docs for Zed editor ([#12501](https://togithub.com/astral-sh/ruff/pull/12501)) ### [`v0.5.4`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#054) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.3...0.5.4) ##### Rule changes - \[`ruff`] Rename `RUF007` to `zip-instead-of-pairwise` ([#12399](https://togithub.com/astral-sh/ruff/pull/12399)) ##### Bug fixes - \[`flake8-builtins`] Avoid shadowing diagnostics for `@override` methods ([#12415](https://togithub.com/astral-sh/ruff/pull/12415)) - \[`flake8-comprehensions`] Insert parentheses for multi-argument generators ([#12422](https://togithub.com/astral-sh/ruff/pull/12422)) - \[`pydocstyle`] Handle escaped docstrings within docstring (`D301`) ([#12192](https://togithub.com/astral-sh/ruff/pull/12192)) ##### Documentation - Fix GitHub link to Neovim setup ([#12410](https://togithub.com/astral-sh/ruff/pull/12410)) - Fix `output-format` default in settings reference ([#12409](https://togithub.com/astral-sh/ruff/pull/12409)) ### [`v0.5.3`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#053) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.2...0.5.3) **Ruff 0.5.3 marks the stable release of the Ruff language server and introduces revamped [documentation](https://docs.astral.sh/ruff/editors), including [setup guides for your editor of choice](https://docs.astral.sh/ruff/editors/setup) and [the language server itself](https://docs.astral.sh/ruff/editors/settings)**. ##### Preview features - Formatter: Insert empty line between suite and alternative branch after function/class definition ([#12294](https://togithub.com/astral-sh/ruff/pull/12294)) - \[`pyupgrade`] Implement `unnecessary-default-type-args` (`UP043`) ([#12371](https://togithub.com/astral-sh/ruff/pull/12371)) ##### Rule changes - \[`flake8-bugbear`] Detect enumerate iterations in `loop-iterator-mutation` (`B909`) ([#12366](https://togithub.com/astral-sh/ruff/pull/12366)) - \[`flake8-bugbear`] Remove `discard`, `remove`, and `pop` allowance for `loop-iterator-mutation` (`B909`) ([#12365](https://togithub.com/astral-sh/ruff/pull/12365)) - \[`pylint`] Allow `repeated-equality-comparison` for mixed operations (`PLR1714`) ([#12369](https://togithub.com/astral-sh/ruff/pull/12369)) - \[`pylint`] Ignore `self` and `cls` when counting arguments (`PLR0913`) ([#12367](https://togithub.com/astral-sh/ruff/pull/12367)) - \[`pylint`] Use UTF-8 as default encoding in `unspecified-encoding` fix (`PLW1514`) ([#12370](https://togithub.com/astral-sh/ruff/pull/12370)) ##### Server - Build settings index in parallel for the native server ([#12299](https://togithub.com/astral-sh/ruff/pull/12299)) - Use fallback settings when indexing the project ([#12362](https://togithub.com/astral-sh/ruff/pull/12362)) - Consider `--preview` flag for `server` subcommand for the linter and formatter ([#12208](https://togithub.com/astral-sh/ruff/pull/12208)) ##### Bug fixes - \[`flake8-comprehensions`] Allow additional arguments for `sum` and `max` comprehensions (`C419`) ([#12364](https://togithub.com/astral-sh/ruff/pull/12364)) - \[`pylint`] Avoid dropping extra boolean operations in `repeated-equality-comparison` (`PLR1714`) ([#12368](https://togithub.com/astral-sh/ruff/pull/12368)) - \[`pylint`] Consider expression before statement when determining binding kind (`PLR1704`) ([#12346](https://togithub.com/astral-sh/ruff/pull/12346)) ##### Documentation - Add docs for Ruff language server ([#12344](https://togithub.com/astral-sh/ruff/pull/12344)) - Migrate to standalone docs repo ([#12341](https://togithub.com/astral-sh/ruff/pull/12341)) - Update versioning policy for editor integration ([#12375](https://togithub.com/astral-sh/ruff/pull/12375)) ##### Other changes - Publish Wasm API to npm ([#12317](https://togithub.com/astral-sh/ruff/pull/12317)) ### [`v0.5.2`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#052) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.1...0.5.2) ##### Preview features - Use `space` separator before parenthesized expressions in comprehensions with leading comments ([#12282](https://togithub.com/astral-sh/ruff/pull/12282)) - \[`flake8-async`] Update `ASYNC100` to include `anyio` and `asyncio` ([#12221](https://togithub.com/astral-sh/ruff/pull/12221)) - \[`flake8-async`] Update `ASYNC109` to include `anyio` and `asyncio` ([#12236](https://togithub.com/astral-sh/ruff/pull/12236)) - \[`flake8-async`] Update `ASYNC110` to include `anyio` and `asyncio` ([#12261](https://togithub.com/astral-sh/ruff/pull/12261)) - \[`flake8-async`] Update `ASYNC115` to include `anyio` and `asyncio` ([#12262](https://togithub.com/astral-sh/ruff/pull/12262)) - \[`flake8-async`] Update `ASYNC116` to include `anyio` and `asyncio` ([#12266](https://togithub.com/astral-sh/ruff/pull/12266)) ##### Rule changes - \[`flake8-return`] Exempt properties from explicit return rule (`RET501`) ([#12243](https://togithub.com/astral-sh/ruff/pull/12243)) - \[`numpy`] Add `np.NAN`-to-`np.nan` diagnostic ([#12292](https://togithub.com/astral-sh/ruff/pull/12292)) - \[`refurb`] Make `list-reverse-copy` an unsafe fix ([#12303](https://togithub.com/astral-sh/ruff/pull/12303)) ##### Server - Consider `include` and `extend-include` settings in native server ([#12252](https://togithub.com/astral-sh/ruff/pull/12252)) - Include nested configurations in settings reloading ([#12253](https://togithub.com/astral-sh/ruff/pull/12253)) ##### CLI - Omit code frames for fixes with empty ranges ([#12304](https://togithub.com/astral-sh/ruff/pull/12304)) - Warn about formatter incompatibility for `D203` ([#12238](https://togithub.com/astral-sh/ruff/pull/12238)) ##### Bug fixes - Make cache-write failures non-fatal on Windows ([#12302](https://togithub.com/astral-sh/ruff/pull/12302)) - Treat `not` operations as boolean tests ([#12301](https://togithub.com/astral-sh/ruff/pull/12301)) - \[`flake8-bandit`] Avoid `S310` violations for HTTP-safe f-strings ([#12305](https://togithub.com/astral-sh/ruff/pull/12305)) - \[`flake8-bandit`] Support explicit string concatenations in S310 HTTP detection ([#12315](https://togithub.com/astral-sh/ruff/pull/12315)) - \[`flake8-bandit`] fix S113 false positive for httpx without `timeout` argument ([#12213](https://togithub.com/astral-sh/ruff/pull/12213)) - \[`pycodestyle`] Remove "non-obvious" allowance for E721 ([#12300](https://togithub.com/astral-sh/ruff/pull/12300)) - \[`pyflakes`] Consider `with` blocks as single-item branches for redefinition analysis ([#12311](https://togithub.com/astral-sh/ruff/pull/12311)) - \[`refurb`] Restrict forwarding for `newline` argument in `open()` calls to Python versions >= 3.10 ([#12244](https://togithub.com/astral-sh/ruff/pull/12244)) ##### Documentation - Update help and documentation to reflect `--output-format full` default ([#12248](https://togithub.com/astral-sh/ruff/pull/12248)) ##### Performance - Use more threads when discovering Python files ([#12258](https://togithub.com/astral-sh/ruff/pull/12258)) ### [`v0.5.1`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#051) [Compare Source](https://togithub.com/astral-sh/ruff/compare/0.5.0...0.5.1) ##### Preview features - \[`flake8-bugbear`] Implement mutable-contextvar-default (B039) ([#12113](https://togithub.com/astral-sh/ruff/pull/12113)) - \[`pycodestyle`] Whitespace after decorator (`E204`) ([#12140](https://togithub.com/astral-sh/ruff/pull/12140)) - \[`pytest`] Reverse `PT001` and `PT0023` defaults ([#12106](https://togithub.com/astral-sh/ruff/pull/12106)) ##### Rule changes - Enable token-based rules on source with syntax errors ([#11950](https://togithub.com/astral-sh/ruff/pull/11950)) - \[`flake8-bandit`] Detect `httpx` for `S113` ([#12174](https://togithub.com/astral-sh/ruff/pull/12174)) - \[`numpy`] Update `NPY201` to include exception deprecations ([#12065](https://togithub.com/astral-sh/ruff/pull/12065)) - \[`pylint`] Generate autofix for `duplicate-bases` (`PLE0241`) ([#12105](https://togithub.com/astral-sh/ruff/pull/12105)) ##### Server - Avoid syntax error notification for source code actions ([#12148](https://togithub.com/astral-sh/ruff/pull/12148)) - Consider the content of the new cells during notebook sync ([#12203](https://togithub.com/astral-sh/ruff/pull/12203)) - Fix replacement edit range computation ([#12171](https://togithub.com/astral-sh/ruff/pull/12171)) ##### Bug fixes - Disable auto-fix when source has syntax errors ([#12134](https://togithub.com/astral-sh/ruff/pull/12134)) - Fix cache key collisions for paths with separators ([#12159](https://togithub.com/astral-sh/ruff/pull/12159)) - Make `requires-python` inference robust to `==` ([#12091](https://togithub.com/astral-sh/ruff/pull/12091)) - Use char-wise width instead of `str`-width ([#12135](https://togithub.com/astral-sh/ruff/pull/12135)) - \[`pycodestyle`] Avoid `E275` if keyword followed by comma ([#12136](https://togithub.com/astral-sh/ruff/pull/12136)) - \[`pycodestyle`] Avoid `E275` if keyword is followed by a semicolon ([#12095](https://togithub.com/astral-sh/ruff/pull/12095)) - \[`pylint`] Skip [dummy variables](https://docs.astral.sh/ruff/settings/#lint_dummy-variable-rgx) for `PLR1704` ([#12190](https://togithub.com/astral-sh/ruff/pull/12190)) ##### Performance - Remove allocation in `parse_identifier` ([#12103](https://togithub.com/astral-sh/ruff/pull/12103)) - Use `CompactString` for `Identifier` AST node ([#12101](https://togithub.com/astral-sh/ruff/pull/12101)) ### [`v0.5.0`](https://togithub.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#050) [Compare Source](https://togithub.com/astral-sh/ruff/compare/v0.4.10...0.5.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.5.0) for a migration guide and overview of the changes! ##### Breaking changes See also, the "Remapped rules" section which may result in disabled rules. - Follow the XDG specification to discover user-level configurations on macOS (same as on other Unix platforms) - Selecting `ALL` now excludes deprecated rules - The released archives now include an extra level of nesting, which can be removed with `--strip-components=1` when untarring. - The release artifact's file name no longer includes the version tag. This enables users to install via `/latest` URLs on GitHub. ##### Deprecations The following rules are now deprecated: - [`syntax-error`](https://docs.astral.sh/ruff/rules/syntax-error/) (`E999`): Syntax errors are now always shown ##### Remapped rules The following rules have been remapped to new rule codes: - [`blocking-http-call-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-http-call-in-async-function/): `ASYNC100` to `ASYNC210` - [`open-sleep-or-subprocess-in-async-function`](https://docs.astral.sh/ruff/rules/open-sleep-or-subprocess-in-async-function/): `ASYNC101` split into `ASYNC220`, `ASYNC221`, `ASYNC230`, and `ASYNC251` - [`blocking-os-call-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-os-call-in-async-function/): `ASYNC102` has been merged into `ASYNC220` and `ASYNC221` - [`trio-timeout-without-await`](https://docs.astral.sh/ruff/rules/trio-timeout-without-await/): `TRIO100` to `ASYNC100` - [`trio-sync-call`](https://docs.astral.sh/ruff/rules/trio-sync-call/): `TRIO105` to `ASYNC105` - [`trio-async-function-with-timeout`](https://docs.astral.sh/ruff/rules/trio-async-function-with-timeout/): `TRIO109` to `ASYNC109` - [`trio-unneeded-sleep`](https://docs.astral.sh/ruff/rules/trio-unneeded-sleep/): `TRIO110` to `ASYNC110` - [`trio-zero-sleep-call`](https://docs.astral.sh/ruff/rules/trio-zero-sleep-call/): `TRIO115` to `ASYNC115` - [`repeated-isinstance-calls`](https://docs.astral.sh/ruff/rules/repeated-isinstance-calls/): `PLR1701` to `SIM101` ##### Stabilization The following rules have been stabilized and are no longer in preview: - [`mutable-fromkeys-value`](https://docs.astral.sh/ruff/rules/mutable-fromkeys-value/) (`RUF024`) - [`default-factory-kwarg`](https://docs.astral.sh/ruff/rules/default-factory-kwarg/) (`RUF026`) - [`django-extra`](https://docs.astral.sh/ruff/rules/django-extra/) (`S610`) - [`manual-dict-comprehension`](https://docs.astral.sh/ruff/rules/manual-dict-comprehension/) (`PERF403`) - [`print-empty-string`](https://docs.astral.sh/ruff/rules/print-empty-string/) (`FURB105`) - [`readlines-in-for`](https://docs.astral.sh/ruff/rules/readlines-in-for/) (`FURB129`) - [`if-expr-min-max`](https://docs.astral.sh/ruff/rules/if-expr-min-max/) (`FURB136`) - [`bit-count`](https://docs.astral.sh/ruff/rules/bit-count/) (`FURB161`) - [`redundant-log-base`](https://docs.astral.sh/ruff/rules/redundant-log-base/) (`FURB163`) - [`regex-flag-alias`](https://docs.astral.sh/ruff/rules/regex-flag-alias/) (`FURB167`) - [`isinstance-type-none`](https://docs.astral.sh/ruff/rules/isinstance-type-none/) (`FURB168`) - [`type-none-comparison`](https://docs.astral.sh/ruff/rules/type-none-comparison/) (`FURB169`) - [`implicit-cwd`](https://docs.astral.sh/ruff/rules/implicit-cwd/) (`FURB177`) - [`hashlib-digest-hex`](https://docs.astral.sh/ruff/rules/hashlib-digest-hex/) (`FURB181`) - [`list-reverse-copy`](https://docs.astral.sh/ruff/rules/list-reverse-copy/) (`FURB187`) - [`bad-open-mode`](https://docs.astral.sh/ruff/rules/bad-open-mode/) (`PLW1501`) - [`empty-comment`](https://docs.astral.sh/ruff/rules/empty-comment/) (`PLR2044`) - [`global-at-module-level`](https://docs.astral.sh/ruff/rules/global-at-module-level/) (`PLW0604`) - [`misplaced-bare-raise`](https://docs.astral.sh/ruff/rules/misplaced-bare-raise%60/) (`PLE0744`) - [`non-ascii-import-name`](https://docs.astral.sh/ruff/rules/non-ascii-import-name/) (`PLC2403`) - [`non-ascii-name`](https://docs.astral.sh/ruff/rules/non-ascii-name/) (`PLC2401`) - [`nonlocal-and-global`](https://docs.astral.sh/ruff/rules/nonlocal-and-global/) (`PLE0115`) - [`potential-index-error`](https://docs.astral.sh/ruff/rules/potential-index-error/) (`PLE0643`) - [`redeclared-assigned-name`](https://docs.astral.sh/ruff/rules/redeclared-assigned-name/) (`PLW0128`) - [`redefined-argument-from-local`](https://docs.astral.sh/ruff/rules/redefined-argument-from-local/) (`PLR1704`) - [`repeated-keyword-argument`](https://docs.astral.sh/ruff/rules/repeated-keyword-argument/) (`PLE1132`) - [`super-without-brackets`](https://docs.astral.sh/ruff/rules/super-without-brackets/) (`PLW0245`) - [`unnecessary-list-index-lookup`](https://docs.astral.sh/ruff/rules/unnecessary-list-index-lookup/) (`PLR1736`) - [`useless-exception-statement`](https://docs.astral.sh/ruff/rules/useless-exception-statement/) (`PLW0133`) - [`useless-with-lock`](https://docs.astral.sh/ruff/rules/useless-with-lock/) (`PLW2101`) The following behaviors have been stabilized: - [`is-literal`](https://docs.astral.sh/ruff/rules/is-literal/) (`F632`) now warns for identity checks against list, set or dictionary literals - [`needless-bool`](https://docs.astral.sh/ruff/rules/needless-bool/) (`SIM103`) now detects `if` expressions with implicit `else` branches - [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file/) (`E402`) now allows `os.environ` modifications between import statements - [`type-comparison`](https://docs.astral.sh/ruff/rules/type-comparison/) (`E721`) now allows idioms such as `type(x) is int` - [`yoda-condition`](https://docs.astral.sh/ruff/rules/yoda-conditions/) (`SIM300`) now flags a wider range of expressions ##### Removals The following deprecated settings have been removed: - `output-format=text`; use `output-format=concise` or `output-format=full` - `tab-size`; use `indent-width` The following deprecated CLI options have been removed: - `--show-source`; use `--output-format=full` - `--no-show-source`; use `--output-format=concise` The following deprecated CLI commands have been removed: - `ruffConfiguration
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