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Update dependency ruff to v0.10.0 #107

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renovate wants to merge 1 commit from renovate/ruff-0.x into master

renovate commented

2024-02-02 08:01:20 +00:00

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This PR contains the following updates:

Package	Update	Change
ruff (source, changelog)	minor	`==0.1.11` -> `==0.10.0`

Release Notes

astral-sh/ruff (ruff)

`v0.10.0`

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Check out the blog post for a migration guide and overview of the changes!

Breaking changes

See also, the "Remapped rules" section which may result in disabled rules.

Changes to how the Python version is inferred when a target-version is not specified (#16319)

In previous versions of Ruff, you could specify your Python version with:
- The target-version option in a ruff.toml file or the [tool.ruff] section of a pyproject.toml file.
- The project.requires-python field in a pyproject.toml file with a [tool.ruff] section.
These options worked well in most cases, and are still recommended for fine control of the Python version. However, because of the way Ruff discovers config files, pyproject.toml files without a [tool.ruff] section would be ignored, including the requires-python setting. Ruff would then use the default Python version (3.9 as of this writing) instead, which is surprising when you've attempted to request another version.

In v0.10, config discovery has been updated to address this issue:
- If Ruff finds a ruff.toml file without a target-version, it will check
  for a pyproject.toml file in the same directory and respect its
  requires-python version, even if it does not contain a [tool.ruff]
  section.
- If Ruff finds a user-level configuration, the requires-python field of the closest pyproject.toml in a parent directory will take precedence.
- If there is no config file (ruff.tomlor pyproject.toml with a
  [tool.ruff] section) in the directory of the file being checked, Ruff will
  search for the closest pyproject.toml in the parent directories and use its
  requires-python setting.
Updated TYPE_CHECKING behavior (#16669)

Previously, Ruff only recognized typechecking blocks that tested the typing.TYPE_CHECKING symbol. Now, Ruff recognizes any local variable named TYPE_CHECKING. This release also removes support for the legacy if 0: and if False: typechecking checks. Use a local TYPE_CHECKING variable instead.
More robust noqa parsing (#16483)

The syntax for both file-level and in-line suppression comments has been unified and made more robust to certain errors. In most cases, this will result in more suppression comments being read by Ruff, but there are a few instances where previously read comments will now log an error to the user instead. Please refer to the documentation on Error suppression for the full specification.
Avoid unnecessary parentheses around with statements with a single context manager and a trailing comment (#14005)

This change fixes a bug in the formatter where it introduced unnecessary parentheses around with statements with a single context manager and a trailing comment. This change may result in a change in formatting for some users.
Bump alpine default tag to 3.21 for derived Docker images (#16456)

Alpine 3.21 was released in Dec 2024 and is used in the official Alpine-based Python images. Now the ruff:alpine image will use 3.21 instead of 3.20 and ruff:alpine3.20 will no longer be updated.

Deprecated Rules

The following rules have been deprecated:

non-pep604-isinstance (UP038)
suspicious-xmle-tree-usage (S320)

Remapped rules

The following rules have been remapped to new rule codes:

[unsafe-markup-use]: RUF035 to S704

Stabilization

The following rules have been stabilized and are no longer in preview:

batched-without-explicit-strict (B911)
unnecessary-dict-comprehension-for-iterable (C420)
datetime-min-max (DTZ901)
fast-api-unused-path-parameter (FAST003)
root-logger-call (LOG015)
len-test (PLC1802)
shallow-copy-environ (PLW1507)
os-listdir (PTH208)
invalid-pathlib-with-suffix (PTH210)
invalid-assert-message-literal-argument (RUF040)
unnecessary-nested-literal (RUF041)
unnecessary-cast-to-int (RUF046)
map-int-version-parsing (RUF048)
if-key-in-dict-del (RUF051)
unsafe-markup-use (S704). This rule has also been renamed from RUF035.
split-static-string (SIM905)
runtime-cast-value (TC006)
unquoted-type-alias (TC007)
non-pep646-unpack (UP044)

The following behaviors have been stabilized:

bad-staticmethod-argument (PLW0211) invalid-first-argument-name-for-class-method (N804): __new__ methods are now no longer flagged by invalid-first-argument-name-for-class-method (N804) but instead by bad-staticmethod-argument (PLW0211)
bad-str-strip-call (PLE1310): The rule now applies to objects which are known to have type str or bytes.
blanket-noqa (PGH004): Also detect blanked file-level noqa comments (and not just line level comments).
custom-type-var-for-self (PYI019): More accurate detection of custom TypeVars replaceable by Self. The range of the diagnostic is now the full function header rather than just the return annotation.
invalid-argument-name (N803): Ignore argument names of functions decorated with typing.override
invalid-envvar-default (PLW1508): Detect default value arguments to os.environ.get with invalid type.
pytest-raises-with-multiple-statements (PT012) pytest-warns-with-multiple-statements (PT031): Allow for statements with an empty body in pytest.raises and pytest.warns with statements.
redundant-open-modes (UP015): The diagnostic range is now the range of the redundant mode argument where it previously was the range of the entire open call. You may have to replace your noqa comments when suppressing UP015.
stdlib-module-shadowing (A005): Changes the default value of lint.flake8-builtins.strict-checking from true to false.
type-none-comparison (FURB169): Now also recognizes type(expr) is type(None) comparisons where expr isn't a name expression.

The following fixes or improvements to fixes have been stabilized:

repeated-equality-comparison (PLR1714) (#16685)
needless-bool (SIM103) (#16684)
unused-private-type-var (PYI018) (#16682)

Server

Remove logging output for ruff.printDebugInformation (#16617)

Configuration

[flake8-builtins] Deprecate the builtins- prefixed options in favor of the unprefixed options (e.g. builtins-allowed-modules is now deprecated in favor of allowed-modules) (#16092)

Bug fixes

[flake8-bandit] Fix mixed-case hash algorithm names (S324) (#16552)

CLI

[ruff] Fix last_tag/commits_since_last_tag for version command (#16686)

`v0.9.10`

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Preview features

[ruff] Add new rule RUF059: Unused unpacked assignment (#16449)
[syntax-errors] Detect assignment expressions before Python 3.8 (#16383)
[syntax-errors] Named expressions in decorators before Python 3.9 (#16386)
[syntax-errors] Parenthesized keyword argument names after Python 3.8 (#16482)
[syntax-errors] Positional-only parameters before Python 3.8 (#16481)
[syntax-errors] Tuple unpacking in return and yield before Python 3.8 (#16485)
[syntax-errors] Type parameter defaults before Python 3.13 (#16447)
[syntax-errors] Type parameter lists before Python 3.12 (#16479)
[syntax-errors] except* before Python 3.11 (#16446)
[syntax-errors] type statements before Python 3.12 (#16478)

Bug fixes

Escape template filenames in glob patterns in configuration (#16407)
[flake8-simplify] Exempt unittest context methods for SIM115 rule (#16439)
Formatter: Fix syntax error location in notebooks (#16499)
[pyupgrade] Do not offer fix when at least one target is global/nonlocal (UP028) (#16451)
[flake8-builtins] Ignore variables matching module attribute names (A001) (#16454)
[pylint] Convert code keyword argument to a positional argument in fix for (PLR1722) (#16424)

CLI

Move rule code from description to check_name in GitLab output serializer (#16437)

Documentation

[pydocstyle] Clarify that D417 only checks docstrings with an arguments section (#16494)

`v0.9.9`

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Preview features

Fix caching of unsupported-syntax errors (#16425)

Bug fixes

Only show unsupported-syntax errors in editors when preview mode is enabled (#16429)

`v0.9.8`

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Preview features

Start detecting version-related syntax errors in the parser (#16090)

Rule changes

[pylint] Mark fix unsafe (PLW1507) (#16343)
[pylint] Catch case np.nan/case math.nan in match statements (PLW0177) (#16378)
[ruff] Add more Pydantic models variants to the list of default copy semantics (RUF012) (#16291)

Server

Avoid indexing the project if configurationPreference is editorOnly (#16381)
Avoid unnecessary info at non-trace server log level (#16389)
Expand ruff.configuration to allow inline config (#16296)
Notify users for invalid client settings (#16361)

Configuration

Add per-file-target-version option (#16257)

Bug fixes

[refurb] Do not consider docstring(s) (FURB156) (#16391)
[flake8-self] Ignore attribute accesses on instance-like variables (SLF001) (#16149)
[pylint] Fix false positives, add missing methods, and support positional-only parameters (PLE0302) (#16263)
[flake8-pyi] Mark PYI030 fix unsafe when comments are deleted (#16322)

Documentation

Fix example for S611 (#16316)
Normalize inconsistent markdown headings in docstrings (#16364)
Document MSRV policy (#16384)

`v0.9.7`

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Preview features

Consider __new__ methods as special function type for enforcing class method or static method rules (#13305)
[airflow] Improve the internal logic to differentiate deprecated symbols (AIR303) (#16013)
[refurb] Manual timezone monkeypatching (FURB162) (#16113)
[ruff] Implicit class variable in dataclass (RUF045) (#14349)
[ruff] Skip singleton starred expressions for incorrectly-parenthesized-tuple-in-subscript (RUF031) (#16083)
[refurb] Check for subclasses includes subscript expressions (FURB189) (#16155)

Rule changes

[flake8-debugger] Also flag sys.breakpointhook and sys.__breakpointhook__ (T100) (#16191)
[pycodestyle] Exempt site.addsitedir(...) calls (E402) (#16251)

Formatter

Fix unstable formatting of trailing end-of-line comments of parenthesized attribute values (#16187)

Server

Fix handling of requests received after shutdown message (#16262)
Ignore source.organizeImports.ruff and source.fixAll.ruff code actions for a notebook cell (#16154)
Include document specific debug info for ruff.printDebugInformation (#16215)
Update server to return the debug info as string with ruff.printDebugInformation (#16214)

CLI

Warn on invalid noqa even when there are no diagnostics (#16178)
Better error messages while loading configuration extends (#15658)

Bug fixes

[flake8-comprehensions] Handle trailing comma in C403 fix (#16110)
[flake8-pyi] Avoid flagging custom-typevar-for-self on metaclass methods (PYI019) (#16141)
[pydocstyle] Handle arguments with the same names as sections (D417) (#16011)
[pylint] Correct ordering of arguments in fix for if-stmt-min-max (PLR1730) (#16080)
[pylint] Do not offer fix for raw strings (PLE251) (#16132)
[pyupgrade] Do not upgrade functional TypedDicts with private field names to the class-based syntax (UP013) (#16219)
[pyupgrade] Handle micro version numbers correctly (UP036) (#16091)
[pyupgrade] Unwrap unary expressions correctly (UP018) (#15919)
[refurb] Correctly handle lengths of literal strings in slice-to-remove-prefix-or-suffix (FURB188) (#16237)
[ruff] Skip RUF001 diagnostics when visiting string type definitions (#16122)

Documentation

Add FAQ entry for source.* code actions in Notebook (#16212)
Add SECURITY.md (#16224)

`v0.9.6`

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Preview features

[airflow] Add external_task.{ExternalTaskMarker, ExternalTaskSensor} for AIR302 (#16014)
[flake8-builtins] Make strict module name comparison optional (A005) (#15951)
[flake8-pyi] Extend fix to Python <= 3.9 for redundant-none-literal (PYI061) (#16044)
[pylint] Also report when the object isn't a literal (PLE1310) (#15985)
[ruff] Implement indented-form-feed (RUF054) (#16049)
[ruff] Skip type definitions for missing-f-string-syntax (RUF027) (#16054)

Rule changes

[flake8-annotations] Correct syntax for typing.Union in suggested return type fixes for ANN20x rules (#16025)
[flake8-builtins] Match upstream module name comparison (A005) (#16006)
[flake8-comprehensions] Detect overshadowed list/set/dict, ignore variadics and named expressions (C417) (#15955)
[flake8-pie] Remove following comma correctly when the unpacked dictionary is empty (PIE800) (#16008)
[flake8-simplify] Only trigger SIM401 on known dictionaries (#15995)
[pylint] Do not report calls when object type and argument type mismatch, remove custom escape handling logic (PLE1310) (#15984)
[pyupgrade] Comments within parenthesized value ranges should not affect applicability (UP040) (#16027)
[pyupgrade] Don't introduce invalid syntax when upgrading old-style type aliases with parenthesized multiline values (UP040) (#16026)
[pyupgrade] Ensure we do not rename two type parameters to the same name (UP049) (#16038)
[pyupgrade] [ruff] Don't apply renamings if the new name is shadowed in a scope of one of the references to the binding (UP049, RUF052) (#16032)
[ruff] Update RUF009 to behave similar to B008 and ignore attributes with immutable types (#16048)

Server

Root exclusions in the server to project root (#16043)

Bug fixes

[flake8-datetime] Ignore .replace() calls while looking for .astimezone (#16050)
[flake8-type-checking] Avoid TC004 false positive where the runtime definition is provided by __getattr__ (#16052)

Documentation

Improve ruff-lsp migration document (#16072)
Undeprecate ruff.nativeServer (#16039)

`v0.9.5`

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Preview features

Recognize all symbols named TYPE_CHECKING for in_type_checking_block (#15719)
[flake8-comprehensions] Handle builtins at top of file correctly for unnecessary-dict-comprehension-for-iterable (C420) (#15837)
[flake8-logging] .exception() and exc_info= outside exception handlers (LOG004, LOG014) (#15799)
[flake8-pyi] Fix incorrect behaviour of custom-typevar-return-type preview-mode autofix if typing was already imported (PYI019) (#15853)
[flake8-pyi] Fix more complex cases (PYI019) (#15821)
[flake8-pyi] Make PYI019 autofixable for .py files in preview mode as well as stubs (#15889)
[flake8-pyi] Remove type parameter correctly when it is the last (PYI019) (#15854)
[pylint] Fix missing parens in unsafe fix for unnecessary-dunder-call (PLC2801) (#15762)
[pyupgrade] Better messages and diagnostic range (UP015) (#15872)
[pyupgrade] Rename private type parameters in PEP 695 generics (UP049) (#15862)
[refurb] Also report non-name expressions (FURB169) (#15905)
[refurb] Mark fix as unsafe if there are comments (FURB171) (#15832)
[ruff] Classes with mixed type variable style (RUF053) (#15841)
[airflow] BashOperator has been moved to airflow.providers.standard.operators.bash.BashOperator (AIR302) (#15922)
[flake8-pyi] Add autofix for unused-private-type-var (PYI018) (#15999)
[flake8-pyi] Significantly improve accuracy of PYI019 if preview mode is enabled (#15888)

Rule changes

Preserve triple quotes and prefixes for strings (#15818)
[flake8-comprehensions] Skip when TypeError present from too many (kw)args for C410,C411, and C418 (#15838)
[flake8-pyi] Rename PYI019 and improve its diagnostic message (#15885)
[pep8-naming] Ignore @override methods (N803) (#15954)
[pyupgrade] Reuse replacement logic from UP046 and UP047 to preserve more comments (UP040) (#15840)
[ruff] Analyze deferred annotations before enforcing mutable-(data)class-default and function-call-in-dataclass-default-argument (RUF008,RUF009,RUF012) (#15921)
[pycodestyle] Exempt sys.path += ... calls (E402) (#15980)

Configuration

Config error only when flake8-import-conventions alias conflicts with isort.required-imports bound name (#15918)
Workaround Even Better TOML crash related to allOf (#15992)

Bug fixes

[flake8-comprehensions] Unnecessary list comprehension (rewrite as a set comprehension) (C403) - Handle extraneous parentheses around list comprehension (#15877)
[flake8-comprehensions] Handle trailing comma in fixes for unnecessary-generator-list/set (C400,C401) (#15929)
[flake8-pyi] Fix several correctness issues with custom-type-var-return-type (PYI019) (#15851)
[pep8-naming] Consider any number of leading underscore for N801 (#15988)
[pyflakes] Visit forward annotations in TypeAliasType as types (F401) (#15829)
[pylint] Correct min/max auto-fix and suggestion for (PL1730) (#15930)
[refurb] Handle unparenthesized tuples correctly (FURB122, FURB142) (#15953)
[refurb] Avoid None | None as well as better detection and fix (FURB168) (#15779)

Documentation

Add deprecation warning for ruff-lsp related settings (#15850)
Docs (linter.md): clarify that Python files are always searched for in subdirectories (#15882)
Fix a typo in non_pep695_generic_class.rs (#15946)
Improve Docs: Pylint subcategories' codes (#15909)
Remove non-existing lint.extendIgnore editor setting (#15844)
Update black deviations (#15928)
Mention UP049 in UP046 and UP047, add See also section to UP040 (#15956)
Add instance variable examples to RUF012 (#15982)
Explain precedence for ignore and select config (#15883)

`v0.9.4`

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Preview features

[airflow] Extend airflow context parameter check for BaseOperator.execute (AIR302) (#15713)
[airflow] Update AIR302 to check for deprecated context keys (#15144)
[flake8-bandit] Permit suspicious imports within stub files (S4) (#15822)
[pylint] Do not trigger PLR6201 on empty collections (#15732)
[refurb] Do not emit diagnostic when loop variables are used outside loop body (FURB122) (#15757)
[ruff] Add support for more re patterns (RUF055) (#15764)
[ruff] Check for shadowed map before suggesting fix (RUF058) (#15790)
[ruff] Do not emit diagnostic when all arguments to zip() are variadic (RUF058) (#15744)
[ruff] Parenthesize fix when argument spans multiple lines for unnecessary-round (RUF057) (#15703)

Rule changes

Preserve quote style in generated code (#15726, #15778, #15794)
[flake8-bugbear] Exempt NewType calls where the original type is immutable (B008) (#15765)
[pylint] Honor banned top-level imports by TID253 in PLC0415. (#15628)
[pyupgrade] Ignore is_typeddict and TypedDict for deprecated-import (UP035) (#15800)

CLI

Fix formatter warning message for flake8-quotes option (#15788)
Implement tab autocomplete for ruff config (#15603)

Bug fixes

[flake8-comprehensions] Do not emit unnecessary-map diagnostic when lambda has different arity (C417) (#15802)
[flake8-comprehensions] Parenthesize sorted when needed for unnecessary-call-around-sorted (C413) (#15825)
[pyupgrade] Handle end-of-line comments for quoted-annotation (UP037) (#15824)

Documentation

Add missing config docstrings (#15803)
Add references to trio.run_process and anyio.run_process (#15761)
Use uv init --lib in tutorial (#15718)

`v0.9.3`

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Preview features

[airflow] Argument fail_stop in DAG has been renamed as fail_fast (AIR302) (#15633)
[airflow] Extend AIR303 with more symbols (#15611)
[flake8-bandit] Report all references to suspicious functions (S3) (#15541)
[flake8-pytest-style] Do not emit diagnostics for empty for loops (PT012, PT031) (#15542)
[flake8-simplify] Avoid double negations (SIM103) (#15562)
[pyflakes] Fix infinite loop with unused local import in __init__.py (F401) (#15517)
[pylint] Do not report methods with only one EM101-compatible raise (PLR6301) (#15507)
[pylint] Implement redefined-slots-in-subclass (W0244) (#9640)
[pyupgrade] Add rules to use PEP 695 generics in classes and functions (UP046, UP047) (#15565, #15659)
[refurb] Implement for-loop-writes (FURB122) (#10630)
[ruff] Implement needless-else clause (RUF047) (#15051)
[ruff] Implement starmap-zip (RUF058) (#15483)

Rule changes

[flake8-bugbear] Do not raise error if keyword argument is present and target-python version is less or equals than 3.9 (B903) (#15549)
[flake8-comprehensions] strip parentheses around generators in unnecessary-generator-set (C401) (#15553)
[flake8-pytest-style] Rewrite references to .exception (PT027) (#15680)
[flake8-simplify] Mark fixes as unsafe (SIM201, SIM202) (#15626)
[flake8-type-checking] Fix some safe fixes being labeled unsafe (TC006,TC008) (#15638)
[isort] Omit trailing whitespace in unsorted-imports (I001) (#15518)
[pydoclint] Allow ignoring one line docstrings for DOC rules (#13302)
[pyflakes] Apply redefinition fixes by source code order (F811) (#15575)
[pyflakes] Avoid removing too many imports in redefined-while-unused (F811) (#15585)
[pyflakes] Group redefinition fixes by source statement (F811) (#15574)
[pylint] Include name of base class in message for redefined-slots-in-subclass (W0244) (#15559)
[ruff] Update fix for RUF055 to use var == value (#15605)

Formatter

Fix bracket spacing for single-element tuples in f-string expressions (#15537)
Fix unstable f-string formatting for expressions containing a trailing comma (#15545)

Performance

Avoid quadratic membership check in import fixes (#15576)

Server

Allow unsafe-fixes settings for code actions (#15666)

Bug fixes

[flake8-bandit] Add missing single-line/dotall regex flag (S608) (#15654)
[flake8-import-conventions] Fix infinite loop between ICN001 and I002 (ICN001) (#15480)
[flake8-simplify] Do not emit diagnostics for expressions inside string type annotations (SIM222, SIM223) (#15405)
[pyflakes] Treat arguments passed to the default= parameter of TypeVar as type expressions (F821) (#15679)
[pyupgrade] Avoid syntax error when the iterable is a non-parenthesized tuple (UP028) (#15543)
[ruff] Exempt NewType calls where the original type is immutable (RUF009) (#15588)
Preserve raw string prefix and escapes in all codegen fixes (#15694)

Documentation

Generate documentation redirects for lowercase rule codes (#15564)
TRY300: Add some extra notes on not catching exceptions you didn't expect (#15036)

`v0.9.2`

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Preview features

[airflow] Fix typo "security_managr" to "security_manager" (AIR303) (#15463)
[airflow] extend and fix AIR302 rules (#15525)
[fastapi] Handle parameters with Depends correctly (FAST003) (#15364)
[flake8-pytest-style] Implement pytest.warns diagnostics (PT029, PT030, PT031) (#15444)
[flake8-pytest-style] Test function parameters with default arguments (PT028) (#15449)
[flake8-type-checking] Avoid false positives for | in TC008 (#15201)

Rule changes

[flake8-todos] Allow VSCode GitHub PR extension style links in missing-todo-link (TD003) (#15519)
[pyflakes] Show syntax error message for F722 (#15523)

Formatter

Fix curly bracket spacing around f-string expressions containing curly braces (#15471)
Fix joining of f-strings with different quotes when using quote style Preserve (#15524)

Server

Avoid indexing the same workspace multiple times (#15495)
Display context for ruff.configuration errors (#15452)

Configuration

Remove flatten to improve deserialization error messages (#15414)

Bug fixes

Parse triple-quoted string annotations as if parenthesized (#15387)
[fastapi] Update Annotated fixes (FAST002) (#15462)
[flake8-bandit] Check for builtins instead of builtin (S102, PTH123) (#15443)
[flake8-pathlib] Fix --select for os-path-dirname (PTH120) (#15446)
[ruff] Fix false positive on global keyword (RUF052) (#15235)

`v0.9.1`

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Preview features

[ruff] Add new rule RUF059: Unused unpacked assignment (#16449)
[syntax-errors] Detect assignment expressions before Python 3.8 (#16383)
[syntax-errors] Named expressions in decorators before Python 3.9 (#16386)
[syntax-errors] Parenthesized keyword argument names after Python 3.8 (#16482)
[syntax-errors] Positional-only parameters before Python 3.8 (#16481)
[syntax-errors] Tuple unpacking in return and yield before Python 3.8 (#16485)
[syntax-errors] Type parameter defaults before Python 3.13 (#16447)
[syntax-errors] Type parameter lists before Python 3.12 (#16479)
[syntax-errors] except* before Python 3.11 (#16446)
[syntax-errors] type statements before Python 3.12 (#16478)

Bug fixes

Escape template filenames in glob patterns in configuration (#16407)
[flake8-simplify] Exempt unittest context methods for SIM115 rule (#16439)
Formatter: Fix syntax error location in notebooks (#16499)
[pyupgrade] Do not offer fix when at least one target is global/nonlocal (UP028) (#16451)
[flake8-builtins] Ignore variables matching module attribute names (A001) (#16454)
[pylint] Convert code keyword argument to a positional argument in fix for (PLR1722) (#16424)

CLI

Move rule code from description to check_name in GitLab output serializer (#16437)

Documentation

[pydocstyle] Clarify that D417 only checks docstrings with an arguments section (#16494)

`v0.9.0`

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Check out the blog post for a migration guide and overview of the changes!

Breaking changes

Ruff now formats your code according to the 2025 style guide. As a result, your code might now get formatted differently. See the formatter section for a detailed list of changes.

This release doesn’t remove or remap any existing stable rules.

Stabilization

The following rules have been stabilized and are no longer in preview:

stdlib-module-shadowing (A005).
This rule has also been renamed: previously, it was called builtin-module-shadowing.
builtin-lambda-argument-shadowing (A006)
slice-to-remove-prefix-or-suffix (FURB188)
boolean-chained-comparison (PLR1716)
decimal-from-float-literal (RUF032)
post-init-default (RUF033)
useless-if-else (RUF034)

The following behaviors have been stabilized:

pytest-parametrize-names-wrong-type (PT006): Detect pytest.parametrize calls outside decorators and calls with keyword arguments.
module-import-not-at-top-of-file (E402): Ignore pytest.importorskip calls between import statements.
mutable-dataclass-default (RUF008) and function-call-in-dataclass-default-argument (RUF009): Add support for attrs.
bad-version-info-comparison (PYI006): Extend the rule to check non-stub files.

The following fixes or improvements to fixes have been stabilized:

redundant-numeric-union (PYI041)
duplicate-union-members (PYI016)

Formatter

This release introduces the new 2025 stable style (#13371), stabilizing the following changes:

Format expressions in f-string elements (#7594)
Alternate quotes for strings inside f-strings (#13860)
Preserve the casing of hex codes in f-string debug expressions (#14766)
Choose the quote style for each string literal in an implicitly concatenated f-string rather than for the entire string (#13539)
Automatically join an implicitly concatenated string into a single string literal if it fits on a single line (#9457)
Remove the ISC001 incompatibility warning (#15123)
Prefer parenthesizing the assert message over breaking the assertion expression (#9457)
Automatically parenthesize over-long if guards in match case clauses (#13513)
More consistent formatting for match case patterns (#6933)
Avoid unnecessary parentheses around return type annotations (#13381)
Keep the opening parentheses on the same line as the if keyword for comprehensions where the condition has a leading comment (#12282)
More consistent formatting for with statements with a single context manager for Python 3.8 or older (#10276)
Correctly calculate the line-width for code blocks in docstrings when using max-doc-code-line-length = "dynamic" (#13523)

Preview features

[flake8-bugbear] Implement class-as-data-structure (B903) (#9601)
[flake8-type-checking] Apply quoted-type-alias more eagerly in TYPE_CHECKING blocks and ignore it in stubs (TC008) (#15180)
[pylint] Ignore eq-without-hash in stub files (PLW1641) (#15310)
[pyupgrade] Split UP007 into two individual rules: UP007 for Union and UP045 for Optional (UP007, UP045) (#15313)
[ruff] New rule that detects classes that are both an enum and a dataclass (RUF049) (#15299)
[ruff] Recode RUF025 to RUF037 (RUF037) (#15258)

Rule changes

[flake8-builtins] Ignore stdlib-module-shadowing in stub files(A005) (#15350)
[flake8-return] Add support for functions returning typing.Never (RET503) (#15298)

Server

Improve the observability by removing the need for the "trace" value to turn on or off logging. The server logging is solely controlled using the logLevel server setting
which defaults to info. This addresses the issue where users were notified about an error and told to consult the log, but it didn’t contain any messages. (#15232)
Ignore diagnostics from other sources for code action requests (#15373)

CLI

Improve the error message for --config key=value when the key is for a table and it’s a simple value

Bug fixes

[eradicate] Ignore metadata blocks directly followed by normal blocks (ERA001) (#15330)
[flake8-django] Recognize other magic methods (DJ012) (#15365)
[pycodestyle] Avoid false positives related to type aliases (E252) (#15356)
[pydocstyle] Avoid treating newline-separated sections as sub-sections (D405) (#15311)
[pyflakes] Remove call when removing final argument from format (F523) (#15309)
[refurb] Mark fix as unsafe when the right-hand side is a string (FURB171) (#15273)
[ruff] Treat ) as a regex metacharacter (RUF043, RUF055) (#15318)
[ruff] Parenthesize the int-call argument when removing the int call would change semantics (RUF046) (#15277)

`v0.8.6`

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Preview features

[format]: Preserve multiline implicit concatenated strings in docstring positions (#15126)
[ruff] Add rule to detect empty literal in deque call (RUF025) (#15104)
[ruff] Avoid reporting when ndigits is possibly negative (RUF057) (#15234)

Rule changes

[flake8-todos] remove issue code length restriction (TD003) (#15175)
[pyflakes] Ignore errors in @no_type_check string annotations (F722, F821) (#15215)

CLI

Show errors for attempted fixes only when passed --verbose (#15237)

Bug fixes

[ruff] Avoid syntax error when removing int over multiple lines (RUF046) (#15230)
[pyupgrade] Revert "Add all PEP-585 names to UP006 rule" (#15250)

`v0.8.5`

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Preview features

[airflow] Extend names moved from core to provider (AIR303) (#15145, #15159, #15196, #15216)
[airflow] Extend rule to check class attributes, methods, arguments (AIR302) (#15054, #15083)
[fastapi] Update FAST002 to check keyword-only arguments (#15119)
[flake8-type-checking] Disable TC006 and TC007 in stub files (#15179)
[pylint] Detect nested methods correctly (PLW1641) (#15032)
[ruff] Detect more strict-integer expressions (RUF046) (#14833)
[ruff] Implement falsy-dict-get-fallback (RUF056) (#15160)
[ruff] Implement unnecessary-round (RUF057) (#14828)

Rule changes

Visit PEP 764 inline TypedDict keys as non-type-expressions (#15073)
[flake8-comprehensions] Skip C416 if comprehension contains unpacking (#14909)
[flake8-pie] Allow cast(SomeType, ...) (PIE796) (#15141)
[flake8-simplify] More precise inference for dictionaries (SIM300) (#15164)
[flake8-use-pathlib] Catch redundant joins in PTH201 and avoid syntax errors (#15177)
[pycodestyle] Preserve original value format (E731) (#15097)
[pydocstyle] Split on first whitespace character (D403) (#15082)
[pyupgrade] Add all PEP-585 names to UP006 rule (#5454)

Configuration

[flake8-type-checking] Improve flexibility of runtime-evaluated-decorators (#15204)
[pydocstyle] Add setting to ignore missing documentation for *args and **kwargs parameters (D417) (#15210)
[ruff] Add an allowlist for unsafe-markup-use (RUF035) (#15076)

Bug fixes

Fix type subscript on older python versions (#15090)
Use TypeChecker for detecting fastapi routes (#15093)
[pycodestyle] Avoid false positives and negatives related to type parameter default syntax (E225, E251) (#15214)

Documentation

Fix incorrect doc in shebang-not-executable (EXE001) and add git+windows solution to executable bit (#15208)
Rename rules currently not conforming to naming convention (#15102)

`v0.8.4`

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Preview features

[airflow] Extend AIR302 with additional functions and classes (#15015)
[airflow] Implement moved-to-provider-in-3 for modules that has been moved to Airflow providers (AIR303) (#14764)
[flake8-use-pathlib] Extend check for invalid path suffix to include the case "." (PTH210) (#14902)
[perflint] Fix panic in PERF401 when list variable is after the for loop (#14971)
[perflint] Simplify finding the loop target in PERF401 (#15025)
[pylint] Preserve original value format (PLR6104) (#14978)
[ruff] Avoid false positives for RUF027 for typing context bindings (#15037)
[ruff] Check for ambiguous pattern passed to pytest.raises() (RUF043) (#14966)

Rule changes

[flake8-bandit] Check S105 for annotated assignment (#15059)
[flake8-pyi] More autofixes for redundant-none-literal (PYI061) (#14872)
[pydocstyle] Skip leading whitespace for D403 (#14963)
[ruff] Skip SQLModel base classes for mutable-class-default (RUF012) (#14949)

Bug

[perflint] Parenthesize walrus expressions in autofix for manual-list-comprehension (PERF401) (#15050)

Server

Check diagnostic refresh support from client capability which enables dynamic configuration for various editors (#15014)

`v0.8.3`

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Preview features

Fix fstring formatting removing overlong implicit concatenated string in expression part (#14811)
[airflow] Add fix to remove deprecated keyword arguments (AIR302) (#14887)
[airflow]: Extend rule to include deprecated names for Airflow 3.0 (AIR302) (#14765 and #14804)
[flake8-bugbear] Improve error messages for except* (B025, B029, B030, B904) (#14815)
[flake8-bugbear] itertools.batched() without explicit strict (B911) (#14408)
[flake8-use-pathlib] Dotless suffix passed to Path.with_suffix() (PTH210) (#14779)
[pylint] Include parentheses and multiple comparators in check for boolean-chained-comparison (PLR1716) (#14781)
[ruff] Do not simplify round() calls (RUF046) (#14832)
[ruff] Don't emit used-dummy-variable on function parameters (RUF052) (#14818)
[ruff] Implement if-key-in-dict-del (RUF051) (#14553)
[ruff] Mark autofix for RUF052 as always unsafe (#14824)
[ruff] Teach autofix for used-dummy-variable about TypeVars etc. (RUF052) (#14819)

Rule changes

[flake8-bugbear] Offer unsafe autofix for no-explicit-stacklevel (B028) (#14829)
[flake8-pyi] Skip all type definitions in string-or-bytes-too-long (PYI053) (#14797)
[pyupgrade] Do not report when a UTF-8 comment is followed by a non-UTF-8 one (UP009) (#14728)
[pyupgrade] Mark fixes for convert-typed-dict-functional-to-class and convert-named-tuple-functional-to-class as unsafe if they will remove comments (UP013, UP014) (#14842)

Bug fixes

Raise syntax error for mixing except and except* (#14895)
[flake8-bugbear] Fix B028 to allow stacklevel to be explicitly assigned as a positional argument (#14868)
[flake8-bugbear] Skip B028 if warnings.warn is called with *args or **kwargs (#14870)
[flake8-comprehensions] Skip iterables with named expressions in unnecessary-map (C417) (#14827)
[flake8-pyi] Also remove self and cls's annotation (PYI034) (#14801)
[flake8-pytest-style] Fix pytest-parametrize-names-wrong-type (PT006) to edit both argnames and argvalues if both of them are single-element tuples/lists (#14699)
[perflint] Improve autofix for PERF401 (#14369)
[pylint] Fix PLW1508 false positive for default string created via a mult operation (#14841)

`v0.8.2`

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Preview features

[airflow] Avoid deprecated values (AIR302) (#14582)
[airflow] Extend removed names for AIR302 (#14734)
[ruff] Extend unnecessary-regular-expression to non-literal strings (RUF055) (#14679)
[ruff] Implement used-dummy-variable (RUF052) (#14611)
[ruff] Implement unnecessary-cast-to-int (RUF046) (#14697)

Rule changes

[airflow] Check AIR001 from builtin or providers operators module (#14631)
[flake8-pytest-style] Remove @ in pytest.mark.parametrize rule messages (#14770)
[pandas-vet] Skip rules if the panda module hasn't been seen (#14671)
[pylint] Fix false negatives for ascii and sorted in len-as-condition (PLC1802) (#14692)
[refurb] Guard hashlib imports and mark hashlib-digest-hex fix as safe (FURB181) (#14694)

Configuration

[flake8-import-conventions] Improve syntax check for aliases supplied in configuration for unconventional-import-alias (ICN001) (#14745)

Bug fixes

Revert: [pyflakes] Avoid false positives in @no_type_check contexts (F821, F722) (#14615) (#14726)
[pep8-naming] Avoid false positive for class Bar(type(foo)) (N804) (#14683)
[pycodestyle] Handle f-strings properly for invalid-escape-sequence (W605) (#14748)
[pylint] Ignore @overload in PLR0904 (#14730)
[refurb] Handle non-finite decimals in verbose-decimal-constructor (FURB157) (#14596)
[ruff] Avoid emitting assignment-in-assert when all references to the assigned variable are themselves inside asserts (RUF018) (#14661)

Documentation

Improve docs for flake8-use-pathlib rules (#14741)
Improve error messages and docs for flake8-comprehensions rules (#14729)
[flake8-type-checking] Expands TC006 docs to better explain itself (#14749)

`v0.8.1`

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Preview features

Formatter: Avoid invalid syntax for format-spec with quotes for all Python versions (#14625)
Formatter: Consider quotes inside format-specs when choosing the quotes for an f-string (#14493)
Formatter: Do not consider f-strings with escaped newlines as multiline (#14624)
Formatter: Fix f-string formatting in assignment statement (#14454)
Formatter: Fix unnecessary space around power operator (**) in overlong f-string expressions (#14489)
[airflow] Avoid implicit schedule argument to DAG and @dag (AIR301) (#14581)
[flake8-builtins] Exempt private built-in modules (A005) (#14505)
[flake8-pytest-style] Fix pytest.mark.parametrize rules to check calls instead of decorators (#14515)
[flake8-type-checking] Implement runtime-cast-value (TC006) (#14511)
[flake8-type-checking] Implement unquoted-type-alias (TC007) and quoted-type-alias (TC008) (#12927)
[flake8-use-pathlib] Recommend Path.iterdir() over os.listdir() (PTH208) (#14509)
[pylint] Extend invalid-envvar-default to detect os.environ.get (PLW1508) (#14512)
[pylint] Implement len-test (PLC1802) (#14309)
[refurb] Fix bug where methods defined using lambdas were flagged by FURB118 (#14639)
[ruff] Auto-add r prefix when string has no backslashes for unraw-re-pattern (RUF039) (#14536)
[ruff] Implement invalid-assert-message-literal-argument (RUF040) (#14488)
[ruff] Implement unnecessary-nested-literal (RUF041) (#14323)
[ruff] Implement unnecessary-regular-expression (RUF055) (#14659)

Rule changes

Ignore more rules for stub files (#14541)
[pep8-naming] Eliminate false positives for single-letter names (N811, N814) (#14584)
[pyflakes] Avoid false positives in @no_type_check contexts (F821, F722) (#14615)
[ruff] Detect redirected-noqa in file-level comments (RUF101) (#14635)
[ruff] Mark fixes for unsorted-dunder-all and unsorted-dunder-slots as unsafe when there are complex comments in the sequence (RUF022, RUF023) (#14560)

Bug fixes

Avoid fixing code to None | None for redundant-none-literal (PYI061) and never-union (RUF020) (#14583, #14589)
[flake8-bugbear] Fix mutable-contextvar-default to resolve annotated function calls properly (B039) (#14532)
[flake8-pyi, ruff] Fix traversal of nested literals and unions (PYI016, PYI051, PYI055, PYI062, RUF041) (#14641)
[flake8-pyi] Avoid rewriting invalid type expressions in unnecessary-type-union (PYI055) (#14660)
[flake8-type-checking] Avoid syntax errors and type checking problem for quoted annotations autofix (TC003, TC006) (#14634)
[pylint] Do not wrap function calls in parentheses in the fix for unnecessary-dunder-call (PLC2801) (#14601)
[ruff] Handle attrs's auto_attribs correctly (RUF009) (#14520)

`v0.8.0`

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Check out the blog post for a migration guide and overview of the changes!

Breaking changes

See also, the "Remapped rules" section which may result in disabled rules.

Default to Python 3.9

Ruff now defaults to Python 3.9 instead of 3.8 if no explicit Python version is configured using ruff.target-version or project.requires-python (#13896)
Changed location of pydoclint diagnostics

pydoclint diagnostics now point to the first-line of the problematic docstring. Previously, this was not the case.

If you've opted into these preview rules but have them suppressed using
noqa comments in
some places, this change may mean that you need to move the noqa suppression
comments. Most users should be unaffected by this change.
Use XDG (i.e. ~/.local/bin) instead of the Cargo home directory in the standalone installer

Previously, Ruff's installer used $CARGO_HOME or ~/.cargo/bin for its target install directory. Now, Ruff will be installed into $XDG_BIN_HOME, $XDG_DATA_HOME/../bin, or ~/.local/bin (in that order).

This change is only relevant to users of the standalone Ruff installer (using the shell or PowerShell script). If you installed Ruff using uv or pip, you should be unaffected.
Changes to the line width calculation

Ruff now uses a new version of the unicode-width Rust crate to calculate the line width. In very rare cases, this may lead to lines containing Unicode characters being reformatted, or being considered too long when they were not before (E501).

Removed Rules

The following deprecated rules have been removed:

missing-type-self (ANN101)
missing-type-cls (ANN102)
syntax-error (E999)
pytest-missing-fixture-name-underscore (PT004)
pytest-incorrect-fixture-name-underscore (PT005)
unpacked-list-comprehension (UP027)

Remapped rules

The following rules have been remapped to new rule codes:

flake8-type-checking: TCH to TC

Stabilization

The following rules have been stabilized and are no longer in preview:

builtin-import-shadowing (A004)
mutable-contextvar-default (B039)
fast-api-redundant-response-model (FAST001)
fast-api-non-annotated-dependency (FAST002)
dict-index-missing-items (PLC0206)
pep484-style-positional-only-parameter (PYI063)
redundant-final-literal (PYI064)
bad-version-info-order (PYI066)
parenthesize-chained-operators (RUF021)
unsorted-dunder-all (RUF022)
unsorted-dunder-slots (RUF023)
assert-with-print-message (RUF030)
unnecessary-default-type-args (UP043)

The following behaviors have been stabilized:

ambiguous-variable-name (E741): Violations in stub files are now ignored. Stub authors typically don't control variable names.
printf-string-formatting (UP031): Report all printf-like usages even if no autofix is available

The following fixes have been stabilized:

zip-instead-of-pairwise (RUF007)

Preview features

[flake8-datetimez] Exempt min.time() and max.time() (DTZ901) (#14394)
[flake8-pie] Mark fix as unsafe if the following statement is a string literal (PIE790) (#14393)
[flake8-pyi] New rule redundant-none-literal (PYI061) (#14316)
[flake8-pyi] Add autofix for redundant-numeric-union (PYI041) (#14273)
[ruff] New rule map-int-version-parsing (RUF048) (#14373)
[ruff] New rule redundant-bool-literal (RUF038) (#14319)
[ruff] New rule unraw-re-pattern (RUF039) (#14446)
[pycodestyle] Exempt pytest.importorskip() calls (E402) (#14474)
[pylint] Autofix suggests using sets when possible (PLR1714) (#14372)

Rule changes

invalid-pyproject-toml (RUF200): Updated to reflect the provisionally accepted PEP 639.
[flake8-pyi] Avoid panic in unfixable case (PYI041) (#14402)
[flake8-type-checking] Correctly handle quotes in subscript expression when generating an autofix (#14371)
[pylint] Suggest correct autofix for __contains__ (PLC2801) (#14424)

Configuration

Ruff now emits a warning instead of an error when a configuration ignores a rule that has been removed (#14435)
Ruff now validates that lint.flake8-import-conventions.aliases only uses valid module names and aliases (#14477)

`v0.7.4`

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Preview features

[flake8-datetimez] Detect usages of datetime.max/datetime.min (DTZ901) (#14288)
[flake8-logging] Implement root-logger-calls (LOG015) (#14302)
[flake8-no-pep420] Detect empty implicit namespace packages (INP001) (#14236)
[flake8-pyi] Add "replace with Self" fix (PYI019) (#14238)
[perflint] Implement quick-fix for manual-list-comprehension (PERF401) (#13919)
[pylint] Implement shallow-copy-environ (W1507) (#14241)
[ruff] Implement none-not-at-end-of-union (RUF036) (#14314)
[ruff] Implementation unsafe-markup-call from flake8-markupsafe plugin (RUF035) (#14224)
[ruff] Report problems for attrs dataclasses (RUF008, RUF009) (#14327)

Rule changes

[flake8-boolean-trap] Exclude dunder methods that define operators (FBT001) (#14203)
[flake8-pyi] Add "replace with Self" fix (PYI034) (#14217)
[flake8-pyi] Always autofix duplicate-union-members (PYI016) (#14270)
[flake8-pyi] Improve autofix for nested and mixed type unions for unnecessary-type-union (PYI055) (#14272)
[flake8-pyi] Mark fix as unsafe when type annotation contains comments for duplicate-literal-member (PYI062) (#14268)

Server

Use the current working directory to resolve settings from ruff.configuration (#14352)

Bug fixes

Avoid conflicts between PLC014 (useless-import-alias) and I002 (missing-required-import) by considering lint.isort.required-imports for PLC014 (#14287)
[flake8-type-checking] Skip quoting annotation if it becomes invalid syntax (TCH001)
[flake8-pyi] Avoid using typing.Self in stub files pre-Python 3.11 (PYI034) (#14230)
[flake8-pytest-style] Flag pytest.raises call with keyword argument expected_exception (PT011) (#14298)
[flake8-simplify] Infer "unknown" truthiness for literal iterables whose items are all unpacks (SIM222) (#14263)
[flake8-type-checking] Fix false positives for typing.Annotated (TCH001) (#14311)
[pylint] Allow await at the top-level scope of a notebook (PLE1142) (#14225)
[pylint] Fix miscellaneous issues in await-outside-async detection (PLE1142) (#14218)
[pyupgrade] Avoid applying PEP 646 rewrites in invalid contexts (UP044) (#14234)
[pyupgrade] Detect permutations in redundant open modes (UP015) (#14255)
[refurb] Avoid triggering hardcoded-string-charset for reordered sets (FURB156) (#14233)
[refurb] Further special cases added to verbose-decimal-constructor (FURB157) (#14216)
[refurb] Use UserString instead of non-existent UserStr (FURB189) (#14209)
[ruff] Avoid treating lowercase letters as # noqa codes (RUF100) (#14229)
[ruff] Do not report when Optional has no type arguments (RUF013) (#14181)

Documentation

Add "Notebook behavior" section for F704, PLE1142 (#14266)
Document comment policy around fix safety (#14300)

`v0.7.3`

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Preview features

Formatter: Disallow single-line implicit concatenated strings (#13928)
[flake8-pyi] Include all Python file types for PYI006 and PYI066 (#14059)
[flake8-simplify] Implement split-of-static-string (SIM905) (#14008)
[refurb] Implement subclass-builtin (FURB189) (#14105)
[ruff] Improve diagnostic messages and docs (RUF031, RUF032, RUF034) (#14068)

Rule changes

Detect items that hash to same value in duplicate sets (B033, PLC0208) (#14064)
[eradicate] Better detection of IntelliJ language injection comments (ERA001) (#14094)
[flake8-pyi] Add autofix for docstring-in-stub (PYI021) (#14150)
[flake8-pyi] Update duplicate-literal-member (PYI062) to alawys provide an autofix (#14188)
[pyflakes] Detect items that hash to same value in duplicate dictionaries (F601) (#14065)
[ruff] Fix false positive for decorators (RUF028) (#14061)

Bug fixes

Avoid parsing joint rule codes as distinct codes in # noqa (#12809)
[eradicate] ignore # language= in commented-out-code rule (ERA001) (#14069)
[flake8-bugbear] - do not run mutable-argument-default on stubs (B006) (#14058)
[flake8-builtins] Skip lambda expressions in builtin-argument-shadowing (A002) (#14144)
[flake8-comprehension] Also remove trailing comma while fixing C409 and C419 (#14097)
[flake8-simplify] Allow open without context manager in return statement (SIM115) (#14066)
[pylint] Respect hash-equivalent literals in iteration-over-set (PLC0208) (#14063)
[pylint] Update known dunder methods for Python 3.13 (PLW3201) (#14146)
[pyupgrade] - ignore kwarg unpacking for UP044 (#14053)
[refurb] Parse more exotic decimal strings in verbose-decimal-constructor (FURB157) (#14098)

Documentation

Add links to missing related options within rule documentations (#13971)
Add rule short code to mkdocs tags to allow searching via rule codes (#14040)

`v0.7.2`

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Preview features

Fix formatting of single with-item with trailing comment (#14005)
[pyupgrade] Add PEP 646 Unpack conversion to * with fix (UP044) (#13988)

Rule changes

Regenerate known_stdlibs.rs with stdlibs 2024.10.25 (#13963)
[flake8-no-pep420] Skip namespace package enforcement for PEP 723 scripts (INP001) (#13974)

Server

Fix server panic when undoing an edit (#14010)

Bug fixes

Fix issues in discovering ruff in pip build environments (#13881)
[flake8-type-checking] Fix false positive for singledispatchmethod (TCH003) (#13941)
[flake8-type-checking] Treat return type of singledispatch as runtime-required (TCH003) (#13957)

Documentation

[flake8-simplify] Include caveats of enabling if-else-block-instead-of-if-exp (SIM108) (#14019)

`v0.7.1`

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Preview features

Fix E221 and E222 to flag missing or extra whitespace around == operator (#13890)
Formatter: Alternate quotes for strings inside f-strings in preview (#13860)
Formatter: Join implicit concatenated strings when they fit on a line (#13663)
[pylint] Restrict iteration-over-set to only work on sets of literals (PLC0208) (#13731)

Rule changes

[flake8-type-checking] Support auto-quoting when annotations contain quotes (#11811)

Server

Avoid indexing the workspace for single-file mode (#13770)

Bug fixes

Make ARG002 compatible with EM101 when raising NotImplementedError (#13714)

Other changes

Introduce more Docker tags for Ruff (similar to uv) (#13274)

`v0.7.0`

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Check out the blog post for a migration guide and overview of the changes!

Breaking changes

The pytest rules PT001 and PT023 now default to omitting the decorator parentheses when there are no arguments
(#12838, #13292).
This was a change that we attempted to make in Ruff v0.6.0, but only partially made due to an error on our part.
See the blog post for more details.
The useless-try-except rule (in our tryceratops category) has been recoded from TRY302 to
TRY203 (#13502). This ensures Ruff's code is consistent with
the same rule in the tryceratops linter.
The lint.allow-unused-imports setting has been removed (#13677). Use
lint.pyflakes.allow-unused-imports
instead.

Formatter preview style

Normalize implicit concatenated f-string quotes per part (#13539)

Preview linter features

[refurb] implement hardcoded-string-charset (FURB156) (#13530)
[refurb] Count codepoints not bytes for slice-to-remove-prefix-or-suffix (FURB188) (#13631)

Rule changes

[pylint] Mark PLE1141 fix as unsafe (#13629)
[flake8-async] Consider async generators to be "checkpoints" for cancel-scope-no-checkpoint (ASYNC100) (#13639)
[flake8-bugbear] Do not suggest setting parameter strict= to False in B905 diagnostic message (#13656)
[flake8-todos] Only flag the word "TODO", not words starting with "todo" (TD006) (#13640)
[pycodestyle] Fix whitespace-related false positives and false negatives inside type-parameter lists (E231, E251) (#13704)
[flake8-simplify] Stabilize preview behavior for SIM115 so that the rule can detect files
being opened from a wider range of standard-library functions (#12959).

CLI

Add explanation of fixable in --statistics command (#13774)

Bug fixes

[pyflakes] Allow ipytest cell magic (F401) (#13745)
[flake8-use-pathlib] Fix PTH123 false positive when open is passed a file descriptor (#13616)
[flake8-bandit] Detect patterns from multi line SQL statements (S608) (#13574)
[flake8-pyi] - Fix dropped expressions in PYI030 autofix (#13727)

`v0.6.9`

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Preview features

Fix codeblock dynamic line length calculation for indented docstring examples (#13523)
[refurb] Mark FURB118 fix as unsafe (#13613)

Rule changes

[pydocstyle] Don't raise D208 when last line is non-empty (#13372)
[pylint] Preserve trivia (i.e. comments) in PLR5501 autofix (#13573)

Configuration

[pyflakes] Add allow-unused-imports setting for unused-import rule (F401) (#13601)

Bug fixes

Support ruff discovery in pip build environments (#13591)
[flake8-bugbear] Avoid short circuiting B017 for multiple context managers (#13609)
[pylint] Do not offer an invalid fix for PLR1716 when the comparisons contain parenthesis (#13527)
[pyupgrade] Fix UP043 to apply to collections.abc.Generator and collections.abc.AsyncGenerator (#13611)
[refurb] Fix handling of slices in tuples for FURB118, e.g., x[:, 1] (#13518)

Documentation

Update GitHub Action link to astral-sh/ruff-action (#13551)

`v0.6.8`

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Preview features

Remove unnecessary parentheses around match case clauses (#13510)
Parenthesize overlong if guards in match..case clauses (#13513)
Detect basic wildcard imports in ruff analyze graph (#13486)
[pylint] Implement boolean-chained-comparison (R1716) (#13435)

Rule changes

[lake8-simplify] Detect SIM910 when using variadic keyword arguments, i.e., **kwargs (#13503)
[pyupgrade] Avoid false negatives with non-reference shadowed bindings of loop variables (UP028) (#13504)

Bug fixes

Detect tuples bound to variadic positional arguments i.e. *args (#13512)
Exit gracefully on broken pipe errors (#13485)
Avoid panic when analyze graph hits broken pipe (#13484)

Performance

Reuse BTreeSets in module resolver (#13440)
Skip traversal for non-compound statements (#13441)

`v0.6.7`

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Preview features

Add Python version support to ruff analyze CLI (#13426)
Add exclude support to ruff analyze (#13425)
Fix parentheses around return type annotations (#13381)

Rule changes

[pycodestyle] Fix: Don't autofix if the first line ends in a question mark? (D400) (#13399)

Bug fixes

Respect lint.exclude in ruff check --add-noqa (#13427)

Performance

Avoid tracking module resolver files in Salsa (#13437)
Use forget for module resolver database (#13438)

`v0.6.6`

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Preview features

[refurb] Skip slice-to-remove-prefix-or-suffix (FURB188) when non-trivial slice steps are present (#13405)
Add a subcommand to generate dependency graphs (#13402)

Formatter

Fix placement of inline parameter comments (#13379)

Server

Fix off-by one error in the LineIndex::offset calculation (#13407)

Bug fixes

[fastapi] Respect FastAPI aliases in route definitions (#13394)
[pydocstyle] Respect word boundaries when detecting function signature in docs (#13388)

Documentation

Add backlinks to rule overview linter (#13368)
Fix documentation for editor vim plugin ALE (#13348)
Fix rendering of FURB188 docs (#13406)

`v0.6.5`

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Preview features

[pydoclint] Ignore DOC201 when function name is "new" (#13300)
[refurb] Implement slice-to-remove-prefix-or-suffix (FURB188) (#13256)

Rule changes

[eradicate] Ignore script-comments with multiple end-tags (ERA001) (#13283)
[pyflakes] Improve error message for UndefinedName when a builtin was added in a newer version than specified in Ruff config (F821) (#13293)

Server

Add support for extensionless Python files for server (#13326)
Fix configuration inheritance for configurations specified in the LSP settings (#13285)

Bug fixes

[ruff] Handle unary operators in decimal-from-float-literal (RUF032) (#13275)

CLI

Only include rules with diagnostics in SARIF metadata (#13268)

Playground

Add "Copy as pyproject.toml/ruff.toml" and "Paste from TOML" (#13328)
Fix errors not shown for restored snippet on page load (#13262)

`v0.6.4`

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Preview features

[flake8-builtins] Use dynamic builtins list based on Python version (#13172)
[pydoclint] Permit yielding None in DOC402 and DOC403 (#13148)
[pylint] Update diagnostic message for PLW3201 (#13194)
[ruff] Implement post-init-default (RUF033) (#13192)
[ruff] Implement useless if-else (RUF034) (#13218)

Rule changes

[flake8-pyi] Respect pep8_naming.classmethod-decorators settings when determining if a method is a classmethod in custom-type-var-return-type (PYI019) (#13162)
[flake8-pyi] Teach various rules that annotations might be stringized (#12951)
[pylint] Avoid no-self-use for attrs-style validators (#13166)
[pylint] Recurse into subscript subexpressions when searching for list/dict lookups (PLR1733, PLR1736) (#13186)
[pyupgrade] Detect aiofiles.open calls in UP015 (#13173)
[pyupgrade] Mark sys.version_info[0] < 3 and similar comparisons as outdated (UP036) (#13175)

CLI

Enrich messages of SARIF results (#13180)
Handle singular case for incompatible rules warning in ruff format output (#13212)

Bug fixes

[pydocstyle] Improve heuristics for detecting Google-style docstrings (#13142)
[refurb] Treat sep arguments with effects as unsafe removals (FURB105) (#13165)

`v0.6.3`

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Preview features

[flake8-simplify] Extend open-file-with-context-handler to work with dbm.sqlite3 (SIM115) (#13104)
[pycodestyle] Disable E741 in stub files (.pyi) (#13119)
[pydoclint] Avoid DOC201 on explicit returns in functions that only return None (#13064)

Rule changes

[flake8-async] Disable check for asyncio before Python 3.11 (ASYNC109) (#13023)

Bug fixes

[FastAPI] Avoid introducing invalid syntax in fix for fast-api-non-annotated-dependency (FAST002) (#13133)
[flake8-implicit-str-concat] Normalize octals before merging concatenated strings in single-line-implicit-string-concatenation (ISC001) (#13118)
[flake8-pytest-style] Improve help message for pytest-incorrect-mark-parentheses-style (PT023) (#13092)
[pylint] Avoid autofix for calls that aren't min or max as starred expression (PLW3301) (#13089)
[ruff] Add datetime.time, datetime.tzinfo, and datetime.timezone as immutable function calls (RUF009) (#13109)
[ruff] Extend comment deletion for RUF100 to include trailing text from noqa directives while preserving any following comments on the same line, if any (#13105)
Fix dark theme on initial page load for the Ruff playground (#13077)

`v0.6.2`

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Preview features

[flake8-simplify] Extend open-file-with-context-handler to work with other standard-library IO modules (SIM115) (#12959)
[ruff] Avoid unused-async for functions with FastAPI route decorator (RUF029) (#12938)
[ruff] Ignore fstring-missing-syntax (RUF027) for fastAPI paths (#12939)
[ruff] Implement check for Decimal called with a float literal (RUF032) (#12909)

Rule changes

[flake8-bugbear] Update diagnostic message when expression is at the end of function (B015) (#12944)
[flake8-pyi] Skip type annotations in string-or-bytes-too-long (PYI053) (#13002)
[flake8-type-checking] Always recognise relative imports as first-party (#12994)
[flake8-unused-arguments] Ignore unused arguments on stub functions (ARG001) (#12966)
[pylint] Ignore augmented assignment for self-cls-assignment (PLW0642) (#12957)

Server

Show full context in error log messages (#13029)

Bug fixes

[pep8-naming] Don't flag from imports following conventional import names (N817) (#12946)
[pylint] - Allow __new__ methods to have cls as their first argument even if decorated with @staticmethod for bad-staticmethod-argument (PLW0211) (#12958)

Documentation

Add hyperfine installation instructions; update hyperfine code samples (#13034)
Expand note to use Ruff with other language server in Kate (#12806)
Update example for PT001 as per the new default behavior (#13019)
[perflint] Improve docs for try-except-in-loop (PERF203) (#12947)
[pydocstyle] Add reference to lint.pydocstyle.ignore-decorators setting to rule docs (#12996)

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.

Preview features

[fastapi] Implement fast-api-unused-path-parameter (FAST003) (#12638)

Rule changes

[pylint] Rename too-many-positional to too-many-positional-arguments (R0917) (#12905)

Server

Fix crash when applying "fix-all" code-action to notebook cells (#12929)

Other changes

[flake8-naming]: Respect import conventions (N817) (#12922)

`v0.6.0`

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Check out the blog post 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).
Detect imports in src layouts by default for isort rules (#12848)
The pytest rules PT001 and PT023 now default to omitting the decorator parentheses when there are no arguments (#12838).

Deprecations

The following rules are now deprecated:

pytest-missing-fixture-name-underscore (PT004)
pytest-incorrect-fixture-name-underscore (PT005)
unpacked-list-comprehension (UP027)

Remapped rules

The following rules have been remapped to new rule codes:

unnecessary-dict-comprehension-for-iterable: RUF025 to C420

Stabilization

The following rules have been stabilized and are no longer in preview:

singledispatch-method (PLE1519)
singledispatchmethod-function (PLE1520)
bad-staticmethod-argument (PLW0211)
if-stmt-min-max (PLR1730)
invalid-bytes-return-type (PLE0308)
invalid-hash-return-type (PLE0309)
invalid-index-return-type (PLE0305)
invalid-length-return-type (PLEE303)
self-or-cls-assignment (PLW0642)
byte-string-usage (PYI057)
duplicate-literal-member (PYI062)
redirected-noqa (RUF101)

The following behaviors have been stabilized:

cancel-scope-no-checkpoint (ASYNC100): Support asyncio and anyio context mangers.
async-function-with-timeout (ASYNC109): Support asyncio and anyio context mangers.
async-busy-wait (ASYNC110): Support asyncio and anyio context mangers.
async-zero-sleep (ASYNC115): Support anyio context mangers.
long-sleep-not-forever (ASYNC116): Support anyio context mangers.

The following fixes have been stabilized:

Preview features

[flake8-simplify] Further simplify to binary in preview for (SIM108) (#12796)
[pyupgrade] Show violations without auto-fix (UP031) (#11229)

Rule changes

[flake8-import-conventions] Add xml.etree.ElementTree to default conventions (#12455)
[flake8-pytest-style] Add a space after comma in CSV output (PT006) (#12853)

Server

Show a message for incorrect settings (#12781)

Bug fixes

[flake8-async] Do not lint yield in context manager (ASYNC100) (#12896)
[flake8-comprehensions] Do not lint async for comprehensions (C419) (#12895)
[flake8-return] Only add return None at end of a function (RET503) (#11074)
[flake8-type-checking] Avoid treating dataclasses.KW_ONLY as typing-only (TCH003) (#12863)
[pep8-naming] Treat type(Protocol) et al as metaclass base (N805) (#12770)
[pydoclint] Don't enforce returns and yields in abstract methods (DOC201, DOC202) (#12771)
[ruff] Skip tuples with slice expressions in (RUF031) (#12768)
[ruff] Ignore unparenthesized tuples in subscripts when the subscript is a type annotation or type alias (RUF031) (#12762)
[ruff] Ignore template strings passed to logging and builtins._() calls (RUF027) (#12889)
[ruff] Do not remove parens for tuples with starred expressions in Python <=3.10 (RUF031) (#12784)
Evaluate default parameter values for a function in that function's enclosing scope (#12852)

Other changes

Respect VS Code cell metadata when detecting the language of Jupyter Notebook cells (#12864)
Respect kernelspec notebook metadata when detecting the preferred language for a Jupyter Notebook (#12875)

`v0.5.7`

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Preview features

[flake8-comprehensions] Account for list and set comprehensions in unnecessary-literal-within-tuple-call (C409) (#12657)
[flake8-pyi] Add autofix for future-annotations-in-stub (PYI044) (#12676)
[flake8-return] Avoid syntax error when auto-fixing RET505 with mixed indentation (space and tabs) (#12740)
[pydoclint] Add docstring-missing-yields (DOC402) and docstring-extraneous-yields (DOC403) (#12538)
[pydoclint] Avoid DOC201 if docstring begins with "Return", "Returns", "Yield", or "Yields" (#12675)
[pydoclint] Deduplicate collected exceptions after traversing function bodies (DOC501) (#12642)
[pydoclint] Ignore DOC errors for stub functions (#12651)
[pydoclint] Teach rules to understand reraised exceptions as being explicitly raised (DOC501, DOC502) (#12639)
[ruff] Implement incorrectly-parenthesized-tuple-in-subscript (RUF031) (#12480)
[ruff] Mark RUF023 fix as unsafe if __slots__ is not a set and the binding is used elsewhere (#12692)

Rule changes

[refurb] Add autofix for implicit-cwd (FURB177) (#12708)
[ruff] Add autofix for zip-instead-of-pairwise (RUF007) (#12663)
[tryceratops] Add BaseException to raise-vanilla-class rule (TRY002) (#12620)

Server

Ignore non-file workspace URL; Ruff will display a warning notification in this case (#12725)

CLI

Fix cache invalidation for nested pyproject.toml files (#12727)

Bug fixes

[flake8-async] Fix false positives with multiple async with items (ASYNC100) (#12643)
[flake8-bandit] Avoid false-positives for list concatenations in SQL construction (S608) (#12720)
[flake8-bugbear] Treat return as equivalent to break (B909) (#12646)
[flake8-comprehensions] Set comprehensions not a violation for sum in unnecessary-comprehension-in-call (C419) (#12691)
[flake8-simplify] Parenthesize conditions based on precedence when merging if arms (SIM114) (#12737)
[pydoclint] Try both 'Raises' section styles when convention is unspecified (DOC501) (#12649)

`v0.5.6`

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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.

[tool.ruff]
extend-exclude = ["*.ipynb"]

Preview features

Enable notebooks by default in preview mode (#12621)
[flake8-builtins] Implement import, lambda, and module shadowing (#12546)
[pydoclint] Add docstring-missing-returns (DOC201) and docstring-extraneous-returns (DOC202) (#12485)

Rule changes

[flake8-return] Exempt cached properties and other property-like decorators from explicit return rule (RET501) (#12563)

Server

Make server panic hook more error resilient (#12610)
Use $/logTrace for server trace logs in Zed and VS Code (#12564)
Keep track of deleted cells for reorder change request (#12575)

Configuration

[flake8-implicit-str-concat] Always allow explicit multi-line concatenations when implicit concatenations are banned (#12532)

Bug fixes

[flake8-async] Avoid flagging asyncio.timeouts as unused when the context manager includes asyncio.TaskGroup (#12605)
[flake8-slots] Avoid recommending __slots__ for classes that inherit from more than namedtuple (#12531)
[isort] Avoid marking required imports as unused (#12537)
[isort] Preserve trailing inline comments on import-from statements (#12498)
[pycodestyle] Add newlines before comments (E305) (#12606)
[pycodestyle] Don't attach comments with mismatched indents (#12604)
[pyflakes] Fix preview-mode bugs in F401 when attempting to autofix unused first-party submodule imports in an __init__.py file (#12569)
[pylint] Respect start index in unnecessary-list-index-lookup (#12603)
[pyupgrade] Avoid recommending no-argument super in slots=True dataclasses (#12530)
[pyupgrade] Use colon rather than dot formatting for integer-only types (#12534)
Fix NFKC normalization bug when removing unused imports (#12571)

Other changes

Consider more stdlib decorators to be property-like (#12583)
Improve handling of metaclasses in various linter rules (#12579)
Improve consistency between linter rules in determining whether a function is property (#12581)

`v0.5.5`

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Preview features

[fastapi] Implement fastapi-redundant-response-model (FAST001) and fastapi-non-annotated-dependency(FAST002) (#11579)
[pydoclint] Implement docstring-missing-exception (DOC501) and docstring-extraneous-exception (DOC502) (#11471)

Rule changes

[numpy] Fix NumPy 2.0 rule for np.alltrue and np.sometrue (#12473)
[numpy] Ignore NPY201 inside except blocks for compatibility with older numpy versions (#12490)
[pep8-naming] Avoid applying ignore-names to self and cls function names (N804, N805) (#12497)

Formatter

Fix incorrect placement of leading function comment with type params (#12447)

Server

Do not bail code action resolution when a quick fix is requested (#12462)

Bug fixes

Fix Ord implementation of cmp_fix (#12471)
Raise syntax error for unparenthesized generator expression in multi-argument call (#12445)
[pydoclint] Fix panic in DOC501 reported in #12428 (#12435)
[flake8-bugbear] Allow singleton tuples with starred expressions in B013 (#12484)

Documentation

Add Eglot setup guide for Emacs editor (#12426)
Add note about the breaking change in nvim-lspconfig (#12507)
Add note to include notebook files for native server (#12449)
Add setup docs for Zed editor (#12501)

`v0.5.4`

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Rule changes

[ruff] Rename RUF007 to zip-instead-of-pairwise (#12399)

Bug fixes

[flake8-builtins] Avoid shadowing diagnostics for @override methods (#12415)
[flake8-comprehensions] Insert parentheses for multi-argument generators (#12422)
[pydocstyle] Handle escaped docstrings within docstring (D301) (#12192)

Documentation

Fix GitHub link to Neovim setup (#12410)
Fix output-format default in settings reference (#12409)

`v0.5.3`

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Ruff 0.5.3 marks the stable release of the Ruff language server and introduces revamped
documentation, including setup guides for your editor of
choice and the language server
itself.

Preview features

Formatter: Insert empty line between suite and alternative branch after function/class definition (#12294)
[pyupgrade] Implement unnecessary-default-type-args (UP043) (#12371)

Rule changes

[flake8-bugbear] Detect enumerate iterations in loop-iterator-mutation (B909) (#12366)
[flake8-bugbear] Remove discard, remove, and pop allowance for loop-iterator-mutation (B909) (#12365)
[pylint] Allow repeated-equality-comparison for mixed operations (PLR1714) (#12369)
[pylint] Ignore self and cls when counting arguments (PLR0913) (#12367)
[pylint] Use UTF-8 as default encoding in unspecified-encoding fix (PLW1514) (#12370)

Server

Build settings index in parallel for the native server (#12299)
Use fallback settings when indexing the project (#12362)
Consider --preview flag for server subcommand for the linter and formatter (#12208)

Bug fixes

[flake8-comprehensions] Allow additional arguments for sum and max comprehensions (C419) (#12364)
[pylint] Avoid dropping extra boolean operations in repeated-equality-comparison (PLR1714) (#12368)
[pylint] Consider expression before statement when determining binding kind (PLR1704) (#12346)

Documentation

Add docs for Ruff language server (#12344)
Migrate to standalone docs repo (#12341)
Update versioning policy for editor integration (#12375)

Other changes

Publish Wasm API to npm (#12317)

`v0.5.2`

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Preview features

Use space separator before parenthesized expressions in comprehensions with leading comments (#12282)
[flake8-async] Update ASYNC100 to include anyio and asyncio (#12221)
[flake8-async] Update ASYNC109 to include anyio and asyncio (#12236)
[flake8-async] Update ASYNC110 to include anyio and asyncio (#12261)
[flake8-async] Update ASYNC115 to include anyio and asyncio (#12262)
[flake8-async] Update ASYNC116 to include anyio and asyncio (#12266)

Rule changes

[flake8-return] Exempt properties from explicit return rule (RET501) (#12243)
[numpy] Add np.NAN-to-np.nan diagnostic (#12292)
[refurb] Make list-reverse-copy an unsafe fix (#12303)

Server

Consider include and extend-include settings in native server (#12252)
Include nested configurations in settings reloading (#12253)

CLI

Omit code frames for fixes with empty ranges (#12304)
Warn about formatter incompatibility for D203 (#12238)

Bug fixes

Make cache-write failures non-fatal on Windows (#12302)
Treat not operations as boolean tests (#12301)
[flake8-bandit] Avoid S310 violations for HTTP-safe f-strings (#12305)
[flake8-bandit] Support explicit string concatenations in S310 HTTP detection (#12315)
[flake8-bandit] fix S113 false positive for httpx without timeout argument (#12213)
[pycodestyle] Remove "non-obvious" allowance for E721 (#12300)
[pyflakes] Consider with blocks as single-item branches for redefinition analysis (#12311)
[refurb] Restrict forwarding for newline argument in open() calls to Python versions >= 3.10 (#12244)

Documentation

Update help and documentation to reflect --output-format full default (#12248)

Performance

Use more threads when discovering Python files (#12258)

`v0.5.1`

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Preview features

[flake8-bugbear] Implement mutable-contextvar-default (B039) (#12113)
[pycodestyle] Whitespace after decorator (E204) (#12140)
[pytest] Reverse PT001 and PT0023 defaults (#12106)

Rule changes

Enable token-based rules on source with syntax errors (#11950)
[flake8-bandit] Detect httpx for S113 (#12174)
[numpy] Update NPY201 to include exception deprecations (#12065)
[pylint] Generate autofix for duplicate-bases (PLE0241) (#12105)

Server

Avoid syntax error notification for source code actions (#12148)
Consider the content of the new cells during notebook sync (#12203)
Fix replacement edit range computation (#12171)

Bug fixes

Disable auto-fix when source has syntax errors (#12134)
Fix cache key collisions for paths with separators (#12159)
Make requires-python inference robust to == (#12091)
Use char-wise width instead of str-width (#12135)
[pycodestyle] Avoid E275 if keyword followed by comma (#12136)
[pycodestyle] Avoid E275 if keyword is followed by a semicolon (#12095)
[pylint] Skip dummy variables for PLR1704 (#12190)

Performance

Remove allocation in parse_identifier (#12103)
Use CompactString for Identifier AST node (#12101)

`v0.5.0`

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Check out the blog post 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.
The diagnostic ranges for some flake8-bandit rules were modified (#10667).

Deprecations

The following rules are now deprecated:

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: ASYNC100 to ASYNC210
open-sleep-or-subprocess-in-async-function: ASYNC101 split into ASYNC220, ASYNC221, ASYNC230, and ASYNC251
blocking-os-call-in-async-function: ASYNC102 has been merged into ASYNC220 and ASYNC221
trio-timeout-without-await: TRIO100 to ASYNC100
trio-sync-call: TRIO105 to ASYNC105
trio-async-function-with-timeout: TRIO109 to ASYNC109
trio-unneeded-sleep: TRIO110 to ASYNC110
trio-zero-sleep-call: TRIO115 to ASYNC115
repeated-isinstance-calls: PLR1701 to SIM101

Stabilization

The following rules have been stabilized and are no longer in preview:

mutable-fromkeys-value (RUF024)
default-factory-kwarg (RUF026)
django-extra (S610)
manual-dict-comprehension (PERF403)
print-empty-string (FURB105)
readlines-in-for (FURB129)
if-expr-min-max (FURB136)
bit-count (FURB161)
redundant-log-base (FURB163)
regex-flag-alias (FURB167)
isinstance-type-none (FURB168)
type-none-comparison (FURB169)
implicit-cwd (FURB177)
hashlib-digest-hex (FURB181)
list-reverse-copy (FURB187)
bad-open-mode (PLW1501)
empty-comment (PLR2044)
global-at-module-level (PLW0604)
misplaced-bare-raise (PLE0744)
non-ascii-import-name (PLC2403)
non-ascii-name (PLC2401)
nonlocal-and-global (PLE0115)
potential-index-error (PLE0643)
redeclared-assigned-name (PLW0128)
redefined-argument-from-local (PLR1704)
repeated-keyword-argument (PLE1132)
super-without-brackets (PLW0245)
unnecessary-list-index-lookup (PLR1736)
useless-exception-statement (PLW0133)
useless-with-lock (PLW2101)

The following behaviors have been stabilized:

is-literal (F632) now warns for identity checks against list, set or dictionary literals
needless-bool (SIM103) now detects if expressions with implicit else branches
module-import-not-at-top-of-file (E402) now allows os.environ modifications between import statements
type-comparison (E721) now allows idioms such as type(x) is int
yoda-condition (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 <path>; use ruff check <path>
ruff --clean; use ruff clean
ruff --generate-shell-completion; use ruff generate-shell-completion

Preview features

[ruff] Add assert-with-print-message rule (#11981)

CLI

Use rule name rather than message in --statistics (#11697)
Use the output format full by default (#12010)
Don't log syntax errors to the console (#11902)

Rule changes

[ruff] Fix false positives if gettext is imported using an alias (RUF027) (#12025)
[numpy] Update trapz and in1d deprecation (NPY201) (#11948)
[flake8-bandit] Modify diagnostic ranges for shell-related rules (#10667)

Server

Closing an untitled, unsaved notebook document no longer throws an error (#11942)
Support the usage of tildes and environment variables in logFile (#11945)
Add option to configure whether to show syntax errors (#12059)

Bug fixes

[pycodestyle] Avoid E203 for f-string debug expression (#12024)
[pep8-naming] Match import-name ignores against both name and alias (N812, N817) (#12033)
[pyflakes] Detect assignments that shadow definitions (F811) (#11961)

Parser

Emit a syntax error for an empty type parameter list (#12030)
Avoid consuming the newline for unterminated strings (#12067)
Do not include the newline in the unterminated string range (#12017)
Use the correct range to highlight line continuation errors (#12016)
Consider 2-character EOL before line continuations (#12035)
Consider line continuation character for re-lexing (#12008)

Other changes

Upgrade the Unicode table used for measuring the line-length (#11194)
Remove the deprecation error message for the nursery selector (#10172)

`v0.4.10`

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Parser

Implement re-lexing logic for better error recovery (#11845)

Rule changes

[flake8-copyright] Update CPY001 to check the first 4096 bytes instead of 1024 (#11927)
[pycodestyle] Update E999 to show all syntax errors instead of just the first one (#11900)

Server

Add tracing setup guide to Helix documentation (#11883)
Add tracing setup guide to Neovim documentation (#11884)
Defer notebook cell deletion to avoid an error message (#11864)

Security

Guard against malicious ecosystem comment artifacts (#11879)

`v0.4.9`

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Preview features

[pylint] Implement consider-dict-items (C0206) (#11688)
[refurb] Implement repeated-global (FURB154) (#11187)

Rule changes

[pycodestyle] Adapt fix for E203 to work identical to ruff format (#10999)

Formatter

Fix formatter instability for lines only consisting of zero-width characters (#11748)

Server

Add supported commands in server capabilities (#11850)
Use real file path when available in ruff server (#11800)
Improve error message when a command is run on an unavailable document (#11823)
Introduce the ruff.printDebugInformation command (#11831)
Tracing system now respects log level and trace level, with options to log to a file (#11747)

CLI

Handle non-printable characters in diff view (#11687)

Bug fixes

[refurb] Avoid suggesting starmap when arguments are used outside call (FURB140) (#11830)
[flake8-bugbear] Avoid panic in B909 when checking large loop blocks (#11772)
[refurb] Fix misbehavior of operator.itemgetter when getter param is a tuple (FURB118) (#11774)

`v0.4.8`

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Performance

Linter performance has been improved by around 10% on some microbenchmarks by refactoring the lexer and parser to maintain synchronicity between them (#11457)

Preview features

[flake8-bugbear] Implement return-in-generator (B901) (#11644)
[flake8-pyi] Implement pep484-style-positional-only-parameter (PYI063) (#11699)
[pygrep_hooks] Check blanket ignores via file-level pragmas (PGH004) (#11540)

Rule changes

[pyupgrade] Update UP035 for Python 3.13 and the latest version of typing_extensions (#11693)
[numpy] Update NPY001 rule for NumPy 2.0 (#11735)

Server

Formatting a document with syntax problems no longer spams a visible error popup (#11745)

CLI

Add RDJson support for --output-format flag (#11682)

Bug fixes

[pyupgrade] Write empty string in lieu of panic when fixing UP032 (#11696)
[flake8-simplify] Simplify double negatives in SIM103 (#11684)
Ensure the expression generator adds a newline before type statements (#11720)
Respect per-file ignores for blanket and redirected noqa rules (#11728)

`v0.4.7`

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Preview features

[flake8-pyi] Implement PYI064 (#11325)
[flake8-pyi] Implement PYI066 (#11541)
[flake8-pyi] Implement PYI057 (#11486)
[pyflakes] Enable F822 in __init__.py files by default (#11370)

Formatter

Fix incorrect placement of trailing stub function comments (#11632)

Server

Respect file exclusions in ruff server (#11590)
Add support for documents not exist on disk (#11588)
Add Vim and Kate setup guide for ruff server (#11615)

Bug fixes

Avoid removing newlines between docstring headers and rST blocks (#11609)
Infer indentation with imports when logical indent is absent (#11608)
Use char index rather than position for indent slice (#11645)
[flake8-comprehension] Strip parentheses around generators in C400 (#11607)
Mark repeated-isinstance-calls as unsafe on Python 3.10 and later (#11622)

`v0.4.6`

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Breaking changes

Use project-relative paths when calculating GitLab fingerprints (#11532)
Bump minimum supported Windows version to Windows 10 (#11613)

Preview features

[flake8-async] Sleep with >24 hour interval should usually sleep forever (ASYNC116) (#11498)

Rule changes

[numpy] Add missing functions to NumPy 2.0 migration rule (#11528)
[mccabe] Consider irrefutable pattern similar to if .. else for C901 (#11565)
Consider match-case statements for C901, PLR0912, and PLR0915 (#11521)
Remove empty strings when converting to f-string (UP032) (#11524)
[flake8-bandit] request-without-timeout should warn for requests.request (#11548)
[flake8-self] Ignore sunder accesses in flake8-self rules (#11546)
[pyupgrade] Lint for TypeAliasType usages (UP040) (#11530)

Server

Respect excludes in ruff server configuration discovery (#11551)
Use default settings if initialization options is empty or not provided (#11566)
ruff server correctly treats .pyi files as stub files (#11535)
ruff server searches for configuration in parent directories (#11537)
ruff server: An empty code action filter no longer returns notebook source actions (#11526)

Bug fixes

[flake8-logging-format] Fix autofix title in logging-warn (G010) (#11514)
[refurb] Avoid recommending operator.itemgetter with dependence on lambda arguments (#11574)
[flake8-simplify] Avoid recommending context manager in __enter__ implementations (#11575)
Create intermediary directories for --output-file (#11550)
Propagate reads on global variables (#11584)
Treat all singledispatch arguments as runtime-required (#11523)

`v0.4.5`

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Ruff's language server is now in Beta

v0.4.5 marks the official Beta release of ruff server, an integrated language server built into Ruff.
ruff server supports the same feature set as ruff-lsp, powering linting, formatting, and
code fixes in Ruff's editor integrations -- but with superior performance and
no installation required. We'd love your feedback!

You can enable ruff server in the VS Code extension today.

To read more about this exciting milestone, check out our blog post!

Rule changes

[flake8-future-annotations] Reword future-rewritable-type-annotation (FA100) message (#11381)
[isort] Expanded the set of standard-library modules to include _string, etc. (#11374)
[pycodestyle] Consider soft keywords for E27 rules (#11446)
[pyflakes] Recommend adding unused import bindings to __all__ (#11314)
[pyflakes] Update documentation and deprecate ignore_init_module_imports (#11436)
[pyupgrade] Mark quotes as unnecessary for non-evaluated annotations (#11485)

Formatter

Avoid multiline quotes warning with quote-style = preserve (#11490)

Server

Support Jupyter Notebook files (#11206)
Support noqa comment code actions (#11276)
Fix automatic configuration reloading (#11492)
Fix several issues with configuration in Neovim and Helix (#11497)

CLI

Add --output-format as a CLI option for ruff config (#11438)

Bug fixes

Avoid PLE0237 for property with setter (#11377)
Avoid TCH005 for if stmt with elif/else block (#11376)
Avoid flagging __future__ annotations as required for non-evaluated type annotations (#11414)
Check for ruff executable in 'bin' directory as installed by 'pip install --target'. (#11450)
Sort edits prior to deduplicating in quotation fix (#11452)
Treat escaped newline as valid sequence (#11465)
[flake8-pie] Preserve parentheses in unnecessary-dict-kwargs (#11372)
[pylint] Ignore __slots__ with dynamic values (#11488)
[pylint] Remove try body from branch counting (#11487)
[refurb] Respect operator precedence in FURB110 (#11464)

Documentation

Add --preview to the README (#11395)
Add Python 3.13 to list of allowed Python versions (#11411)
Simplify Neovim setup documentation (#11489)
Update CONTRIBUTING.md to reflect the new parser (#11434)
Update server documentation with new migration guide (#11499)
[pycodestyle] Clarify motivation for E713 and E714 (#11483)
[pyflakes] Update docs to describe WAI behavior (F541) (#11362)
[pylint] Clearly indicate what is counted as a branch (#11423)

`v0.4.4`

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Preview features

[pycodestyle] Ignore end-of-line comments when determining blank line rules (#11342)
[pylint] Detect pathlib.Path.open calls in unspecified-encoding (PLW1514) (#11288)
[flake8-pyi] Implement PYI059 (generic-not-last-base-class) (#11233)
[flake8-pyi] Implement PYI062 (duplicate-literal-member) (#11269)

Rule changes

[flake8-boolean-trap] Allow passing booleans as positional-only arguments in code such as set(True) (#11287)
[flake8-bugbear] Ignore enum classes in cached-instance-method (B019) (#11312)

Server

Expand tildes when resolving Ruff server configuration file (#11283)
Fix ruff server hanging after Neovim closes (#11291)
Editor settings are used by default if no file-based configuration exists (#11266)

Bug fixes

[pylint] Consider with statements for too-many-branches (PLR0912) (#11321)
[flake8-blind-except, tryceratops] Respect logged and re-raised expressions in nested statements (BLE001, TRY201) (#11301)
Recognise assignments such as __all__ = builtins.list(["foo", "bar"]) as valid __all__ definitions (#11335)

`v0.4.3`

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Enhancements

Add support for PEP 696 syntax (#11120)

Preview features

[refurb] Use function range for reimplemented-operator diagnostics (#11271)
[refurb] Ignore methods in reimplemented-operator (FURB118) (#11270)
[refurb] Implement fstring-number-format (FURB116) (#10921)
[ruff] Implement redirected-noqa (RUF101) (#11052)
[pyflakes] Distinguish between first-party and third-party imports for fix suggestions (#11168)

Rule changes

[flake8-bugbear] Ignore non-abstract class attributes when enforcing B024 (#11210)
[flake8-logging] Include inline instantiations when detecting loggers (#11154)
[pylint] Also emit PLR0206 for properties with variadic parameters (#11200)
[ruff] Detect duplicate codes as part of unused-noqa (RUF100) (#10850)

Formatter

Avoid multiline expression if format specifier is present (#11123)

LSP

Write ruff server setup guide for Helix (#11183)
ruff server no longer hangs after shutdown (#11222)
ruff server reads from a configuration TOML file in the user configuration directory if no local configuration exists (#11225)
ruff server respects per-file-ignores configuration (#11224)
ruff server: Support a custom TOML configuration file (#11140)
ruff server: Support setting to prioritize project configuration over editor configuration (#11086)

Bug fixes

Avoid debug assertion around NFKC renames (#11249)
[pyflakes] Prioritize redefined-while-unused over unused-import (#11173)
[ruff] Respect async expressions in comprehension bodies (#11219)
[pygrep_hooks] Fix blanket-noqa panic when last line has noqa with no newline (PGH004) (#11108)
[perflint] Ignore list-copy recommendations for async for loops (#11250)
[pyflakes] Improve invalid-print-syntax documentation (#11171)

Performance

Avoid allocations for isort module names (#11251)
Build a separate ARM wheel for macOS (#11149)

Windows

Increase the minimum requirement to Windows 10.

`v0.4.2`

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Rule changes

[flake8-pyi] Allow for overloaded __exit__ and __aexit__ definitions (PYI036) (#11057)
[pyupgrade] Catch usages of "%s" % var and provide an unsafe fix (UP031) (#11019)
[refurb] Implement new rule that suggests min/max over sorted() (FURB192) (#10868)

Server

Fix an issue with missing diagnostics for Neovim and Helix (#11092)
Implement hover documentation for noqa codes (#11096)
Introduce common Ruff configuration options with new server settings (#11062)

Bug fixes

Use macos-12 for building release wheels to enable macOS 11 compatibility (#11146)
[flake8-blind-expect] Allow raise from in BLE001 (#11131)
[flake8-pyi] Allow simple assignments to None in enum class scopes (PYI026) (#11128)
[flake8-simplify] Avoid raising SIM911 for non-zip attribute calls (#11126)
[refurb] Avoid operator.itemgetter suggestion for single-item tuple (#11095)
[ruff] Respect per-file-ignores for RUF100 with no other diagnostics (#11058)
[ruff] Fix async comprehension false positive (RUF029) (#11070)

Documentation

[flake8-bugbear] Document explicitly disabling strict zip (B905) (#11040)
[flake8-type-checking] Mention lint.typing-modules in TCH001, TCH002, and TCH003 (#11144)
[isort] Improve documentation around custom isort sections (#11050)
[pylint] Fix documentation oversight for invalid-X-returns (#11094)

Performance

Use matchit to resolve per-file settings (#11111)

`v0.4.1`

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Parser

Implement re-lexing logic for better error recovery (#11845)

Rule changes

[flake8-copyright] Update CPY001 to check the first 4096 bytes instead of 1024 (#11927)
[pycodestyle] Update E999 to show all syntax errors instead of just the first one (#11900)

Server

Add tracing setup guide to Helix documentation (#11883)
Add tracing setup guide to Neovim documentation (#11884)
Defer notebook cell deletion to avoid an error message (#11864)

Security

Guard against malicious ecosystem comment artifacts (#11879)

`v0.4.0`

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A new, hand-written parser

Ruff's new parser is >2x faster, which translates to a 20-40% speedup for all linting and formatting invocations.
There's a lot to say about this exciting change, so check out the blog post for more details!

See #10036 for implementation details.

A new language server in Rust

With this release, we also want to highlight our new language server. ruff server is a Rust-powered language
server that comes built-in with Ruff. It can be used with any editor that supports the Language Server Protocol (LSP).
It uses a multi-threaded, lock-free architecture inspired by rust-analyzer and it will open the door for a lot
of exciting features. It’s also faster than our previous Python-based language server
-- but you probably guessed that already.

ruff server is only in alpha, but it has a lot of features that you can try out today:

Lints Python files automatically and shows quick-fixes when available
Formats Python files, with support for range formatting
Comes with commands for quickly performing actions: ruff.applyAutofix, ruff.applyFormat, and ruff.applyOrganizeImports
Supports source.fixAll and source.organizeImports source actions
Automatically reloads your project configuration when you change it

To setup ruff server with your editor, refer to the README.md.

Preview features

[pycodestyle] Do not trigger E3 rules on defs following a function/method with a dummy body (#10704)
[pylint] Implement invalid-bytes-returned (E0308) (#10959)
[pylint] Implement invalid-length-returned (E0303) (#10963)
[pylint] Implement self-cls-assignment (W0642) (#9267)
[pylint] Omit stubs from invalid-bool and invalid-str-return-type (#11008)
[ruff] New rule unused-async (RUF029) to detect unneeded async keywords on functions (#9966)

Rule changes

[flake8-bandit] Allow urllib.request.urlopen calls with static Request argument (S310) (#10964)
[flake8-bugbear] Treat raise NotImplemented-only bodies as stub functions (B006) (#10990)
[flake8-slots] Respect same-file Enum subclasses (SLOT000) (#11006)
[pylint] Support inverted comparisons (PLR1730) (#10920)

Linter

Improve handling of builtin symbols in linter rules (#10919)
Improve display of rules in --show-settings (#11003)
Improve inference capabilities of the BuiltinTypeChecker (#10976)
Resolve classes and functions relative to script name (#10965)
Improve performance of RuleTable::any_enabled (#10971)

Server

This section is devoted to updates for our new language server, written in Rust.

Enable ruff-specific source actions (#10916)
Refreshes diagnostics for open files when file configuration is changed (#10988)
Important errors are now shown as popups (#10951)
Introduce settings for directly configuring the linter and formatter (#10984)
Resolve configuration for each document individually (#10950)
Write a setup guide for Neovim (#10987)

Configuration

Add RUFF_OUTPUT_FILE environment variable support (#10992)

Bug fixes

Avoid non-augmented-assignment for reversed, non-commutative operators (PLR6104) (#10909)
Limit commutative non-augmented-assignments to primitive data types (PLR6104) (#10912)
Respect per-file-ignores for RUF100 on blanket # noqa (#10908)
Consider if expression for parenthesized with items parsing (#11010)
Consider binary expr for parenthesized with items parsing (#11012)
Reset FOR_TARGET context for all kinds of parentheses (#11009)

`v0.3.7`

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Preview features

[flake8-bugbear] Implement loop-iterator-mutation (B909) (#9578)
[pylint] Implement rule to prefer augmented assignment (PLR6104) (#9932)

Bug fixes

Avoid TOCTOU errors in cache initialization (#10884)
[pylint] Recode nan-comparison rule to W0177 (#10894)
[pylint] Reverse min-max logic in if-stmt-min-max (#10890)

`v0.3.6`

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Preview features

[pylint] Implement bad-staticmethod-argument (PLW0211) (#10781)
[pylint] Implement if-stmt-min-max (PLR1730, PLR1731) (#10002)
[pyupgrade] Replace str,Enum multiple inheritance with StrEnum UP042 (#10713)
[refurb] Implement if-expr-instead-of-or-operator (FURB110) (#10687)
[refurb] Implement int-on-sliced-str (FURB166) (#10650)
[refurb] Implement write-whole-file (FURB103) (#10802)
[refurb] Support itemgetter in reimplemented-operator (FURB118) (#10526)
[flake8_comprehensions] Add sum/min/max to unnecessary comprehension check (C419) (#10759)

Rule changes

[pydocstyle] Require capitalizing docstrings where the first sentence is a single word (D403) (#10776)
[pycodestyle] Ignore annotated lambdas in class scopes (E731) (#10720)
[flake8-pyi] Various improvements to PYI034 (#10807)
[flake8-slots] Flag subclasses of call-based typing.NamedTuples as well as subclasses of collections.namedtuple() (SLOT002) (#10808)
[pyflakes] Allow forward references in class bases in stub files (F821) (#10779)
[pygrep-hooks] Improve blanket-noqa error message (PGH004) (#10851)

CLI

Support FORCE_COLOR env var (#10839)

Configuration

Support negated patterns in [extend-]per-file-ignores (#10852)

Bug fixes

[flake8-import-conventions] Accept non-aliased (but correct) import in unconventional-import-alias (ICN001) (#10729)
[flake8-quotes] Add semantic model flag when inside f-string replacement field (#10766)
[pep8-naming] Recursively resolve TypeDicts for N815 violations (#10719)
[flake8-quotes] Respect Q00* ignores in flake8-quotes rules (#10728)
[flake8-simplify] Show negated condition in needless-bool diagnostics (SIM103) (#10854)
[ruff] Use within-scope shadowed bindings in asyncio-dangling-task (RUF006) (#10793)
[flake8-pytest-style] Fix single-tuple conversion in pytest-parametrize-values-wrong-type (PT007) (#10862)
[flake8-return] Ignore assignments to annotated variables in unnecessary-assign (RET504) (#10741)
[refurb] Do not allow any keyword arguments for read-whole-file in rb mode (FURB101) (#10803)
[pylint] Don't recommend decorating staticmethods with @singledispatch (PLE1519, PLE1520) (#10637)
[pydocstyle] Use section name range for all section-related docstring diagnostics (#10740)
Respect # noqa directives on __all__ openers (#10798)

`v0.3.5`

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Preview features

[pylint] Implement modified-iterating-set (E4703) (#10473)
[refurb] Implement for-loop-set-mutations (FURB142) (#10583)
[refurb] Implement unnecessary-from-float (FURB164) (#10647)
[refurb] Implement verbose-decimal-constructor (FURB157) (#10533)

Rule changes

[flake8-comprehensions] Handled special case for C401 which also matches C416 (#10596)
[flake8-pyi] Mark unaliased-collections-abc-set-import fix as "safe" for more cases in stub files (PYI025) (#10547)
[numpy] Add row_stack to NumPy 2.0 migration rule (#10646)
[pycodestyle] Allow cell magics before an import (E402) (#10545)
[pycodestyle] Avoid blank line rules for the first logical line in cell (#10291)

Configuration

Respected nested namespace packages (#10541)
[flake8-boolean-trap] Add setting for user defined allowed boolean trap (#10531)

Bug fixes

Correctly handle references in __all__ definitions when renaming symbols in autofixes (#10527)
Track ranges of names inside __all__ definitions (#10525)
[flake8-bugbear] Avoid false positive for usage after continue (B031) (#10539)
[flake8-copyright] Accept commas in default copyright pattern (#9498)
[flake8-datetimez] Allow f-strings with %z for DTZ007 (#10651)
[flake8-pytest-style] Fix PT014 autofix for last item in list (#10532)
[flake8-quotes] Ignore Q000, Q001 when string is inside forward ref (#10585)
[isort] Always place non-relative imports after relative imports (#10669)
[isort] Respect Unicode characters in import sorting (#10529)
[pyflakes] Fix F821 false negatives when from __future__ import annotations is active (attempt 2) (#10524)
[pyflakes] Make unnecessary-lambda an always-unsafe fix (#10668)
[pylint] Fixed false-positive on the rule PLW1641 (eq-without-hash) (#10566)
[ruff] Fix panic in unused # noqa removal with multi-byte space (RUF100) (#10682)

Documentation

Add PR title format to CONTRIBUTING.md (#10665)
Fix list markup to include blank lines required (#10591)
Put flake8-logging next to the other flake8 plugins in registry (#10587)
[flake8-bandit] Update warning message for rule S305 to address insecure block cipher mode use (#10602)
[flake8-bugbear] Document use of anonymous assignment in useless-expression (#10551)
[flake8-datetimez] Clarify error messages and docs for DTZ rules (#10621)
[pycodestyle] Use same before vs. after numbers for space-around-operator (#10640)
[ruff] Change quadratic-list-summation docs to use iadd consistently (#10666)

`v0.3.4`

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Preview features

[flake8-simplify] Detect implicit else cases in needless-bool (SIM103) (#10414)
[pylint] Implement nan-comparison (PLW0117) (#10401)
[pylint] Implement nonlocal-and-global (E115) (#10407)
[pylint] Implement singledispatchmethod-function (PLE5120) (#10428)
[refurb] Implement list-reverse-copy (FURB187) (#10212)

Rule changes

[flake8-pytest-style] Add automatic fix for pytest-parametrize-values-wrong-type (PT007) (#10461)
[pycodestyle] Allow SPDX license headers to exceed the line length (E501) (#10481)

Formatter

Fix unstable formatting for trailing subscript end-of-line comment (#10492)

Bug fixes

Avoid code comment detection in PEP 723 script tags (#10464)
Avoid incorrect tuple transformation in single-element case (C409) (#10491)
Bug fix: Prevent fully defined links name from being reformatted (#10442)
Consider raw source code for W605 (#10480)
Docs: Link inline settings when not part of options section (#10499)
Don't treat annotations as redefinitions in .pyi files (#10512)
Fix E231 bug: Inconsistent catch compared to pycodestyle, such as when dict nested in list (#10469)
Fix pylint upstream categories not showing in docs (#10441)
Add missing Options references to blank line docs (#10498)
'Revert "F821: Fix false negatives in .py files when from __future__ import annotations is active (#10362)"' (#10513)
Apply NFKC normalization to unicode identifiers in the lexer (#10412)
Avoid failures due to non-deterministic binding ordering (#10478)
[flake8-bugbear] Allow tuples of exceptions (B030) (#10437)
[flake8-quotes] Avoid syntax errors due to invalid quotes (Q000, Q002) (#10199)

`v0.3.3`

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Preview features

[flake8-bandit]: Implement S610 rule (#10316)
[pycodestyle] Implement blank-line-at-end-of-file (W391) (#10243)
[pycodestyle] Implement redundant-backslash (E502) (#10292)
[pylint] - implement redeclared-assigned-name (W0128) (#9268)

Rule changes

[flake8_comprehensions] Handled special case for C400 which also matches C416 (#10419)
[flake8-bandit] Implement upstream updates for S311, S324 and S605 (#10313)
[pyflakes] Remove F401 fix for __init__ imports by default and allow opt-in to unsafe fix (#10365)
[pylint] Implement invalid-bool-return-type (E304) (#10377)
[pylint] Include builtin warnings in useless-exception-statement (PLW0133) (#10394)

CLI

Add message on success to ruff check (#8631)

Bug fixes

[PIE970] Allow trailing ellipsis in typing.TYPE_CHECKING (#10413)
Avoid TRIO115 if the argument is a variable (#10376)
[F811] Avoid removing shadowed imports that point to different symbols (#10387)
Fix F821 and F822 false positives in .pyi files (#10341)
Fix F821 false negatives in .py files when from __future__ import annotations is active (#10362)
Fix case where Indexer fails to identify continuation preceded by newline #10351 (#10354)
Sort hash maps in Settings display (#10370)
Track conditional deletions in the semantic model (#10415)
[C413] Wrap expressions in parentheses when negating (#10346)
[pycodestyle] Do not ignore lines before the first logical line in blank lines rules. (#10382)
[pycodestyle] Do not trigger E225 and E275 when the next token is a ')' (#10315)
[pylint] Avoid false-positive slot non-assignment for __dict__ (PLE0237) (#10348)
Gate f-string struct size test for Rustc < 1.76 (#10371)

Documentation

Use ruff.toml format in README (#10393)
[RUF008] Make it clearer that a mutable default in a dataclass is only valid if it is typed as a ClassVar (#10395)
[pylint] Extend docs and test in invalid-str-return-type (E307) (#10400)
Remove . from check and format commands (#10217)

`v0.3.2`

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Preview features

Improve single-with item formatting for Python 3.8 or older (#10276)

Rule changes

[pyupgrade] Allow fixes for f-string rule regardless of line length (UP032) (#10263)
[pycodestyle] Include actual conditions in E712 diagnostics (#10254)

Bug fixes

Fix trailing kwargs end of line comment after slash (#10297)
Fix unstable with items formatting (#10274)
Avoid repeating function calls in f-string conversions (#10265)
Fix E203 false positive for slices in format strings (#10280)
Fix incorrect Parameter range for *args and **kwargs (#10283)
Treat typing.Annotated subscripts as type definitions (#10285)

`v0.3.1`

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Preview features

[pycodestyle] Fix E301 not triggering on decorated methods. (#10117)
[pycodestyle] Respect isort settings in blank line rules (E3*) (#10096)
[pycodestyle] Make blank lines in typing stub files optional (E3*) (#10098)
[pylint] Implement singledispatch-method (E1519) (#10140)
[pylint] Implement useless-exception-statement (W0133) (#10176)

Rule changes

[flake8-debugger] Check for use of debugpy and ptvsd debug modules (#10177) (#10194)
[pyupgrade] Generate diagnostic for all valid f-string conversions regardless of line length (UP032) (#10238)
[pep8_naming] Add fixes for N804 and N805 (#10215)

CLI

Colorize the output of ruff format --diff (#10110)
Make --config and --isolated global flags (#10150)
Correctly expand tildes and environment variables in paths passed to --config (#10219)

Configuration

Accept a PEP 440 version specifier for required-version (#10216)
Implement isort's default-section setting (#10149)

Bug fixes

Remove trailing space from CapWords message (#10220)
Respect external codes in file-level exemptions (#10203)
[flake8-raise] Avoid false-positives for parens-on-raise with future.exception() (RSE102) (#10206)
[pylint] Add fix for unary expressions in PLC2801 (#9587)
[ruff] Fix RUF028 not allowing # fmt: skip on match cases (#10178)

`v0.3.0`

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This release introduces the new Ruff formatter 2024.2 style and adds a new lint rule to
detect invalid formatter suppression comments.

Preview features

[flake8-bandit] Remove suspicious-lxml-import (S410) (#10154)
[pycodestyle] Allow os.environ modifications between imports (E402) (#10066)
[pycodestyle] Don't warn about a single whitespace character before a comma in a tuple (E203) (#10094)

Rule changes

[eradicate] Detect commented out case statements (ERA001) (#10055)
[eradicate] Detect single-line code for try:, except:, etc. (ERA001) (#10057)
[flake8-boolean-trap] Allow boolean positionals in __post_init__ (#10027)
[flake8-copyright] Allow © in copyright notices (#10065)
[isort]: Use one blank line after imports in typing stub files (#9971)
[pylint] New Rule dict-iter-missing-items (PLE1141) (#9845)
[pylint] Ignore sys.version and sys.platform (PLR1714) (#10054)
[pyupgrade] Detect literals with unary operators (UP018) (#10060)
[ruff] Expand rule for list(iterable).pop(0) idiom (RUF015) (#10148)

Formatter

This release introduces the Ruff 2024.2 style, stabilizing the following changes:

Prefer splitting the assignment's value over the target or type annotation (#8943)
Remove blank lines before class docstrings (#9154)
Wrap multiple context managers in with parentheses when targeting Python 3.9 or newer (#9222)
Add a blank line after nested classes with a dummy body (...) in typing stub files (#9155)
Reduce vertical spacing for classes and functions with a dummy (...) body (#7440, #9240)
Add a blank line after the module docstring (#8283)
Parenthesize long type hints in assignments (#9210)
Preserve indent for single multiline-string call-expressions (#9673)
Normalize hex escape and unicode escape sequences (#9280)
Format module docstrings (#9725)

CLI

Explicitly disallow extend as part of a --config flag (#10135)
Remove build from the default exclusion list (#10093)
Deprecate ruff <path>, ruff --explain, ruff --clean, and ruff --generate-shell-completion in favor of ruff check <path>, ruff rule, ruff clean, and ruff generate-shell-completion (#10169)
Remove the deprecated CLI option --format from ruff rule and ruff linter (#10170)

Bug fixes

[flake8-bugbear] Avoid adding default initializers to stubs (B006) (#10152)
[flake8-type-checking] Respect runtime-required decorators for function signatures (#10091)
[pycodestyle] Mark fixes overlapping with a multiline string as unsafe (W293) (#10049)
[pydocstyle] Trim whitespace when removing blank lines after section (D413) (#10162)
[pylint] Delete entire statement, including semicolons (PLR0203) (#10074)
[ruff] Avoid f-string false positives in gettext calls (RUF027) (#10118)
Fix ruff crashing on PowerPC systems because of too small page size (#10080)

Performance

Add cold attribute to less likely printer queue branches in the formatter (#10121)
Skip unnecessary string normalization in the formatter (#10116)

Documentation

Remove "Beta" Label from formatter documentation (#10144)
line-length option: fix link to pycodestyle.max-line-length (#10136)

`v0.2.2`

Compare Source

Highlights include:

Initial support formatting f-strings (in --preview).
Support for overriding arbitrary configuration options via the CLI through an expanded --config argument (e.g., --config "lint.isort.combine-as-imports=false").
Significant performance improvements in Ruff's lexer, parser, and lint rules.

Preview features

Implement minimal f-string formatting (#9642)
[pycodestyle] Add blank line(s) rules (E301, E302, E303, E304, E305, E306) (#9266)
[refurb] Implement readlines_in_for (FURB129) (#9880)

Rule changes

[ruff] Ensure closing parentheses for multiline sequences are always on their own line (RUF022, RUF023) (#9793)
[numpy] Add missing deprecation violations (NPY002) (#9862)
[flake8-bandit] Detect mark_safe usages in decorators (#9887)
[ruff] Expand asyncio-dangling-task (RUF006) to include new_event_loop (#9976)
[flake8-pyi] Ignore 'unused' private type dicts in class scopes (#9952)

Formatter

Docstring formatting: Preserve tab indentation when using indent-style=tabs (#9915)
Disable top-level docstring formatting for notebooks (#9957)
Stabilize quote-style's preserve mode (#9922)

CLI

Allow arbitrary configuration options to be overridden via the CLI (#9599)

Bug fixes

Make show-settings filters directory-agnostic (#9866)
Respect duplicates when rewriting type aliases (#9905)
Respect tuple assignments in typing analyzer (#9969)
Use atomic write when persisting cache (#9981)
Use non-parenthesized range for DebugText (#9953)
[flake8-simplify] Avoid false positive with async for loops (SIM113) (#9996)
[flake8-trio] Respect async with in timeout-without-await (#9859)
[perflint] Catch a wider range of mutations in PERF101 (#9955)
[pycodestyle] Fix E30X panics on blank lines with trailing white spaces (#9907)
[pydocstyle] Allow using parameters as a subsection header (D405) (#9894)
[pydocstyle] Fix blank-line docstring rules for module-level docstrings (#9878)
[pylint] Accept 0.0 and 1.0 as common magic values (PLR2004) (#9964)
[pylint] Avoid suggesting set rewrites for non-hashable types (#9956)
[ruff] Avoid false negatives with string literals inside of method calls (RUF027) (#9865)
[ruff] Fix panic on with f-string detection (RUF027) (#9990)
[ruff] Ignore builtins when detecting missing f-strings (#9849)

Performance

Use memchr for string lexing (#9888)
Use memchr for tab-indentation detection (#9853)
Reduce Result<Tok, LexicalError> size by using Box<str> instead of String (#9885)
Reduce size of Expr from 80 to 64 bytes (#9900)
Improve trailing comma rule performance (#9867)
Remove unnecessary string cloning from the parser (#9884)

`v0.2.1`

Compare Source

This release includes support for range formatting (i.e., the ability to format specific lines
within a source file).

Preview features

[refurb] Implement missing-f-string-syntax (RUF027) (#9728)
Format module-level docstrings (#9725)

Formatter

Add --range option to ruff format (#9733)
Don't trim last empty line in docstrings (#9813)

Bug fixes

Skip empty lines when determining base indentation (#9795)
Drop __get__ and __set__ from unnecessary-dunder-call (#9791)
Respect generic Protocol in ellipsis removal (#9841)
Revert "Use publicly available Apple Silicon runners (#9726)" (#9834)

Performance

Skip LibCST parsing for standard dedent adjustments (#9769)
Remove CST-based fixer for C408 (#9822)
Add our own ignored-names abstractions (#9802)
Remove CST-based fixers for C400, C401, C410, and C418 (#9819)
Use AhoCorasick to speed up quote match (#9773)
Remove CST-based fixers for C405 and C409 (#9821)
Add fast-path for comment detection (#9808)
Invert order of checks in zero-sleep-call (#9766)
Short-circuit typing matches based on imports (#9800)
Run dunder method rule on methods directly (#9815)
Track top-level module imports in the semantic model (#9775)
Slight speed-up for lowercase and uppercase identifier checks (#9798)
Remove LibCST-based fixer for C403 (#9818)

Documentation

Update max-pos-args example to max-positional-args (#9797)
Fixed example code in weak_cryptographic_key.rs (#9774)
Fix references to deprecated ANN rules in changelog (#9771)
Fix default for max-positional-args (#9838)

`v0.2.0`

Compare Source

Breaking changes

The NURSERY selector cannot be used anymore
Legacy selection of nursery rules by exact codes is no longer allowed without preview enabled

See also, the "Remapped rules" section which may result in disabled rules.

Deprecations

The following rules are now deprecated:

missing-type-self (ANN101)
missing-type-cls (ANN102)

The following command line options are now deprecated:

--show-source; use --output-format full instead
--no-show-source; use --output-format concise instead
--output-format text; use full or concise instead

The following settings have moved and the previous name is deprecated:

ruff.allowed-confusables → ruff.lint.allowed-confusables
ruff.dummy-variable-rgx → ruff.lint.dummy-variable-rgx
ruff.explicit-preview-rules → ruff.lint.explicit-preview-rules
ruff.extend-fixable → ruff.lint.extend-fixable
ruff.extend-ignore → ruff.lint.extend-ignore
ruff.extend-per-file-ignores → ruff.lint.extend-per-file-ignores
ruff.extend-safe-fixes → ruff.lint.extend-safe-fixes
ruff.extend-select → ruff.lint.extend-select
ruff.extend-unfixable → ruff.lint.extend-unfixable
ruff.extend-unsafe-fixes → ruff.lint.extend-unsafe-fixes
ruff.external → ruff.lint.external
ruff.fixable → ruff.lint.fixable
ruff.flake8-annotations → ruff.lint.flake8-annotations
ruff.flake8-bandit → ruff.lint.flake8-bandit
ruff.flake8-bugbear → ruff.lint.flake8-bugbear
ruff.flake8-builtins → ruff.lint.flake8-builtins
ruff.flake8-comprehensions → ruff.lint.flake8-comprehensions
ruff.flake8-copyright → ruff.lint.flake8-copyright
ruff.flake8-errmsg → ruff.lint.flake8-errmsg
ruff.flake8-gettext → ruff.lint.flake8-gettext
ruff.flake8-implicit-str-concat → ruff.lint.flake8-implicit-str-concat
ruff.flake8-import-conventions → ruff.lint.flake8-import-conventions
ruff.flake8-pytest-style → ruff.lint.flake8-pytest-style
ruff.flake8-quotes → ruff.lint.flake8-quotes
ruff.flake8-self → ruff.lint.flake8-self
ruff.flake8-tidy-imports → ruff.lint.flake8-tidy-imports
ruff.flake8-type-checking → ruff.lint.flake8-type-checking
ruff.flake8-unused-arguments → ruff.lint.flake8-unused-arguments
ruff.ignore → ruff.lint.ignore
ruff.ignore-init-module-imports → ruff.lint.ignore-init-module-imports
ruff.isort → ruff.lint.isort
ruff.logger-objects → ruff.lint.logger-objects
ruff.mccabe → ruff.lint.mccabe
ruff.pep8-naming → ruff.lint.pep8-naming
ruff.per-file-ignores → ruff.lint.per-file-ignores
ruff.pycodestyle → ruff.lint.pycodestyle
ruff.pydocstyle → ruff.lint.pydocstyle
ruff.pyflakes → ruff.lint.pyflakes
ruff.pylint → ruff.lint.pylint
ruff.pyupgrade → ruff.lint.pyupgrade
ruff.select → ruff.lint.select
ruff.task-tags → ruff.lint.task-tags
ruff.typing-modules → ruff.lint.typing-modules
ruff.unfixable → ruff.lint.unfixable

Remapped rules

The following rules have been remapped to new codes:

raise-without-from-inside-except: TRY200 to B904
suspicious-eval-usage: PGH001 to S307
logging-warn: PGH002 to G010
static-key-dict-comprehension: RUF011 to B035
runtime-string-union: TCH006 to TCH010

Stabilizations

The following rules have been stabilized and are no longer in preview:

trio-timeout-without-await (TRIO100)
trio-sync-call (TRIO105)
trio-async-function-with-timeout (TRIO109)
trio-unneeded-sleep (TRIO110)
trio-zero-sleep-call (TRIO115)
unnecessary-escaped-quote (Q004)
enumerate-for-loop (SIM113)
zip-dict-keys-and-values (SIM911)
timeout-error-alias (UP041)
flask-debug-true (S201)
tarfile-unsafe-members (S202)
ssl-insecure-version (S502)
ssl-with-bad-defaults (S503)
ssl-with-no-version (S504)
weak-cryptographic-key (S505)
ssh-no-host-key-verification (S507)
django-raw-sql (S611)
mako-templates (S702)
generator-return-from-iter-method (PYI058)
runtime-string-union (TCH006)
numpy2-deprecation (NPY201)
quadratic-list-summation (RUF017)
assignment-in-assert (RUF018)
unnecessary-key-check (RUF019)
never-union (RUF020)
direct-logger-instantiation (LOG001)
invalid-get-logger-argument (LOG002)
exception-without-exc-info (LOG007)
undocumented-warn (LOG009)

Fixes for the following rules have been stabilized and are now available without preview:

Fixes for the following rules have been promoted from unsafe to safe:

unaliased-collections-abc-set-import (PYI025)

The following behaviors have been stabilized:

module-import-not-at-top-of-file (E402) allows sys.path modifications between imports
reimplemented-container-builtin (PIE807) includes lambdas that can be replaced with dict
unnecessary-placeholder (PIE790) applies to unnecessary ellipses (...)
if-else-block-instead-of-dict-get (SIM401) applies to if-else expressions

Preview features

[refurb] Implement metaclass_abcmeta (FURB180) (#9658)
Implement blank_line_after_nested_stub_class preview style (#9155)
The preview rule and-or-ternary (PLR1706) was removed

Bug fixes

[flake8-async] Take pathlib.Path into account when analyzing async functions (#9703)
[flake8-return] - fix indentation syntax error (RET505) (#9705)
Detect multi-statement lines in else removal (#9748)
RUF022, RUF023: never add two trailing commas to the end of a sequence (#9698)
RUF023: Don't sort __match_args__, only __slots__ (#9724)
[flake8-simplify] - Fix syntax error in autofix (SIM114) (#9704)
[pylint] Show verbatim constant in magic-value-comparison (PLR2004) (#9694)
Removing trailing whitespace inside multiline strings is unsafe (#9744)
Support IfExp with dual string arms in invalid-envvar-default (#9734)
[pylint] Add __mro_entries__ to known dunder methods (PLW3201) (#9706)

Documentation

Removed rules are now retained in the documentation (#9691)
Deprecated rules are now indicated in the documentation (#9689)

`v0.1.15`

Compare Source

Preview features

Error when NURSERY selector is used with --preview (#9682)
Preserve indentation around multiline strings in formatter (#9637)
[flake8-return] Add fixes for all rules (RET505, RET506, RET507, RET508) (#9595)
[flake8-simplify] Add fix for if-with-same-arms (SIM114) (#9591)
[pycodestyle] Add fix for multiple-imports-on-one-line (E401) (#9518)
[pylint] Add fix for collapsible-else-if (PLR5501) (#9594)
[pylint] Add fix for useless-else-on-loop (PLW0120) (#9590)
[pylint] Implement assigning-non-slot (E0237) (#9623)
[pylint] Implement potential-index-error (PLE0643) (#9545)
[pylint] Implement too-many-nested-blocks (PLR1702) (#9172)
[ruff] Add rule to sort __slots__ and __match_args__ (#9564)
[ruff] Detect unnecessary dict comprehensions for iterables (RUF025) (#9613)
[ruff] Guard against use of default_factory as a keyword argument (RUF026) (#9651)
[ruff] Implement mutable-fromkeys-value (RUF024) (#9597)

CLI

Enable auto-wrapping of --help output (#9633)

Bug fixes

Avoid rendering display-only rules as fixable (#9649)
Detect automagic-like assignments in notebooks (#9653)
Generate custom JSON schema for dynamic setting (#9632)
[flake8-no-pep420] Include global --config when determining namespace packages (#9603)
[flake8-pie] Omit bound tuples passed to .startswith or .endswith (#9661)
[flake8-return] Avoid panic when fixing inlined else blocks (#9657)
[flake8-return] Consider exception suppression in unnecessary assignment (#9673)
[flake8-return] Take NoReturn annotation into account when analyzing implicit returns (#9636)
[flake8-simplify] Support inverted returns in needless-bool (SIM103) (#9619)
[flake8-type-checking] Add Pydantic's BaseConfig to default-copy list (#9650)
[flake8-type-checking] Avoid marking InitVar as a typing-only annotation (#9688)
[pycodestyle] Allow dtype comparisons in type-comparison (#9676)
[pydocstyle] Re-implement last-line-after-section (D413) (#9654)

Documentation

[flake8-pytest-style] Add fix safety documentation for duplicate-parameterize-test-cases (#9678)
[pylint] Document literal-membership fix safety conditions (#9677)
[isort] Fix reference to isort rule code (#9598)

`v0.1.14`

Compare Source

Preview features

[flake8-bugbear] Add fix for duplicate-value (B033) (#9510)
[flake8-simplify] Implement enumerate-for-loop (SIM113) (#7777)
[pygrep_hooks] Add fix for deprecated-log-warn (PGH002) (#9519)
[pylint] Implement import-private-name (C2701) (#5920)
[refurb] Implement regex-flag-alias with fix (FURB167) (#9516)
[ruff] Add rule and fix to sort contents of __all__ (RUF022) (#9474)
[tryceratops] Add fix for error-instead-of-exception (TRY400) (#9520)

Rule changes

[flake8-pyi] Fix PYI047 false negatives on PEP-695 type aliases (#9566)
[flake8-pyi] Fix PYI049 false negatives on call-based TypedDicts (#9567)
[pylint] Exclude self and cls when counting method arguments (PLR0917) (#9563)

CLI

--show-settings displays active settings in a far more readable format (#9464)
Add --extension support to the formatter (#9483)

Configuration

Ignore preview status for fixable and unfixable selectors (#9538)
[pycodestyle] Use the configured tab size when expanding indents (#9506)

Bug fixes

Recursively visit deferred AST nodes (#9541)
Visit deferred lambdas before type definitions (#9540)
[flake8-simplify] Avoid some more enumerate-for-loop false positives (SIM113) (#9515)
[pandas-vet] Limit inplace diagnostics to methods that accept inplace (#9495)
[pylint] Add the __prepare__ method to the list of recognized dunder method (#9529)
[pylint] Ignore unnecessary dunder calls within dunder definitions (#9496)
[refurb] Avoid bailing when reimplemented-operator is called on function (FURB118) (#9556)
[ruff] Avoid treating named expressions as static keys (RUF011) (#9494)

Documentation

Add instructions on using noqa with isort rules (#9555)
Documentation update for URL giving 'page not found' (#9565)
Fix admonition in dark mode (#9502)
Update contributing docs to use cargo bench -p ruff_benchmark (#9535)
Update emacs integration section to include emacs-ruff-format (#9403)
[flake8-blind-except] Document exceptions to blind-except rule (#9580)

`v0.1.13`

Compare Source

Bug fixes

Include base pyproject when initializing cache settings (#9480)
[flake8-simplify] Account for possibly-empty f-string values in truthiness logic (#9484)
[pylint] Add the missing period in unnecessary-dunder-call (#9485)
[pylint] Fix __aenter__ message in unnecessary-dunder-call (#9492)

`v0.1.12`

Compare Source

Preview features

Formatter: Hug multiline-strings in preview style (#9243)
[flake8-bandit] Add ssl-with-no-version (S504) (#9384)
[flake8-bandit] Implement ssl-insecure-version (S502) (#9390)
[flake8-bandit] Implement ssl-with-bad-defaults (S503) (#9391)
[flake8-bandit] Implement suspicious import rules (S4XX) (#8831)
[flake8-simplify] Implement zip-dict-keys-and-values (SIM911) (#9460)
[pyflakes] Add a fix for redefined-while-unused (F811) (#9419)
[pylint] Implement unnecessary-dunder-call (C2801) (#9166)
[ruff] Add parenthesize-chained-operators (RUF021) to enforce parentheses in a or b and c (#9440)

Rule changes

[flake8-boolean-trap] Allow Boolean positional arguments in setters (#9429)
[flake8-builtins] Restrict builtin-attribute-shadowing (A003) to actual shadowed references (#9462)
[flake8-pyi] Add fix for generator-return-from-iter-method (PYI058) (#9355)
[pyflakes] Don't flag redefined-while-unused (F811) in if branches (#9418)
[pyupgrade] Add some additional Python 3.12 typing members to deprecated-import (#9445)
[ruff] Add fix for parenthesize-chained-operators (RUF021) (#9449)
[ruff] Include subscripts and attributes in static key rule (RUF011) (#9416)
[ruff] Support variable keys in static dictionary key rule (RUF011) (#9411)

Formatter

Generate deterministic IDs when formatting notebooks (#9359)
Allow # fmt: skip with interspersed same-line comments (#9395)
Parenthesize breaking named expressions in match guards (#9396)

Bug fixes

Add cell indexes to all diagnostics (#9387)
Avoid infinite loop in constant vs. None comparisons (#9376)
Handle raises with implicit alternate branches (#9377)
Ignore trailing quotes for unclosed l-brace errors (#9388)
Respect multi-segment submodule imports when resolving qualified names (#9382)
Use DisplayParseError for stdin parser errors (#9409)
Use comment_ranges for isort directive extraction (#9414)
Use transformed source code for diagnostic locations (#9408)
[flake8-pyi] Exclude warnings.deprecated and typing_extensions.deprecated arguments (#9423)
[flake8-pyi] Fix false negative for unused-private-protocol (PYI046) with unused generic protocols (#9405)
[pydocstyle] Disambiguate argument descriptors from section headers (#9427)
[pylint] Homogenize PLR0914 message to match other PLR09XX rules (#9399)
[ruff] Allow Hashable = None in type annotations (RUF013) (#9442)

Documentation

Fix admonition hyperlink colouring (#9385)
Add missing preview link (#9386)

Configuration

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This PR has been generated by Renovate Bot.

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [ruff](https://docs.astral.sh/ruff) ([source](https://github.com/astral-sh/ruff), [changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)) | minor | `==0.1.11` -> `==0.10.0` | --- ### Release Notes <details> <summary>astral-sh/ruff (ruff)</summary> ### [`v0.10.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0100) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.10...0.10.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.10.0) for a migration guide and overview of the changes! ##### Breaking changes See also, the "Remapped rules" section which may result in disabled rules. - **Changes to how the Python version is inferred when a `target-version` is not specified** ([#16319](https://github.com/astral-sh/ruff/pull/16319)) In previous versions of Ruff, you could specify your Python version with: - The `target-version` option in a `ruff.toml` file or the `[tool.ruff]` section of a pyproject.toml file. - The `project.requires-python` field in a `pyproject.toml` file with a `[tool.ruff]` section. These options worked well in most cases, and are still recommended for fine control of the Python version. However, because of the way Ruff discovers config files, `pyproject.toml` files without a `[tool.ruff]` section would be ignored, including the `requires-python` setting. Ruff would then use the default Python version (3.9 as of this writing) instead, which is surprising when you've attempted to request another version. In v0.10, config discovery has been updated to address this issue: - If Ruff finds a `ruff.toml` file without a `target-version`, it will check for a `pyproject.toml` file in the same directory and respect its `requires-python` version, even if it does not contain a `[tool.ruff]` section. - If Ruff finds a user-level configuration, the `requires-python` field of the closest `pyproject.toml` in a parent directory will take precedence. - If there is no config file (`ruff.toml`or `pyproject.toml` with a `[tool.ruff]` section) in the directory of the file being checked, Ruff will search for the closest `pyproject.toml` in the parent directories and use its `requires-python` setting. - **Updated `TYPE_CHECKING` behavior** ([#16669](https://github.com/astral-sh/ruff/pull/16669)) Previously, Ruff only recognized typechecking blocks that tested the `typing.TYPE_CHECKING` symbol. Now, Ruff recognizes any local variable named `TYPE_CHECKING`. This release also removes support for the legacy `if 0:` and `if False:` typechecking checks. Use a local `TYPE_CHECKING` variable instead. - **More robust noqa parsing** ([#16483](https://github.com/astral-sh/ruff/pull/16483)) The syntax for both file-level and in-line suppression comments has been unified and made more robust to certain errors. In most cases, this will result in more suppression comments being read by Ruff, but there are a few instances where previously read comments will now log an error to the user instead. Please refer to the documentation on [*Error suppression*](https://docs.astral.sh/ruff/linter/#error-suppression) for the full specification. - **Avoid unnecessary parentheses around with statements with a single context manager and a trailing comment** ([#14005](https://github.com/astral-sh/ruff/pull/14005)) This change fixes a bug in the formatter where it introduced unnecessary parentheses around with statements with a single context manager and a trailing comment. This change may result in a change in formatting for some users. - **Bump alpine default tag to 3.21 for derived Docker images** ([#16456](https://github.com/astral-sh/ruff/pull/16456)) Alpine 3.21 was released in Dec 2024 and is used in the official Alpine-based Python images. Now the ruff:alpine image will use 3.21 instead of 3.20 and ruff:alpine3.20 will no longer be updated. ##### Deprecated Rules The following rules have been deprecated: - [`non-pep604-isinstance`](https://docs.astral.sh/ruff/rules/non-pep604-isinstance/) (`UP038`) - [`suspicious-xmle-tree-usage`](https://docs.astral.sh/ruff/rules/suspicious-xmle-tree-usage/) (`S320`) ##### Remapped rules The following rules have been remapped to new rule codes: - \[`unsafe-markup-use`]: `RUF035` to `S704` ##### Stabilization The following rules have been stabilized and are no longer in preview: - [`batched-without-explicit-strict`](https://docs.astral.sh/ruff/rules/batched-without-explicit-strict) (`B911`) - [`unnecessary-dict-comprehension-for-iterable`](https://docs.astral.sh/ruff/rules/unnecessary-dict-comprehension-for-iterable) (`C420`) - [`datetime-min-max`](https://docs.astral.sh/ruff/rules/datetime-min-max) (`DTZ901`) - [`fast-api-unused-path-parameter`](https://docs.astral.sh/ruff/rules/fast-api-unused-path-parameter) (`FAST003`) - [`root-logger-call`](https://docs.astral.sh/ruff/rules/root-logger-call) (`LOG015`) - [`len-test`](https://docs.astral.sh/ruff/rules/len-test) (`PLC1802`) - [`shallow-copy-environ`](https://docs.astral.sh/ruff/rules/shallow-copy-environ) (`PLW1507`) - [`os-listdir`](https://docs.astral.sh/ruff/rules/os-listdir) (`PTH208`) - [`invalid-pathlib-with-suffix`](https://docs.astral.sh/ruff/rules/invalid-pathlib-with-suffix) (`PTH210`) - [`invalid-assert-message-literal-argument`](https://docs.astral.sh/ruff/rules/invalid-assert-message-literal-argument) (`RUF040`) - [`unnecessary-nested-literal`](https://docs.astral.sh/ruff/rules/unnecessary-nested-literal) (`RUF041`) - [`unnecessary-cast-to-int`](https://docs.astral.sh/ruff/rules/unnecessary-cast-to-int) (`RUF046`) - [`map-int-version-parsing`](https://docs.astral.sh/ruff/rules/map-int-version-parsing) (`RUF048`) - [`if-key-in-dict-del`](https://docs.astral.sh/ruff/rules/if-key-in-dict-del) (`RUF051`) - [`unsafe-markup-use`](https://docs.astral.sh/ruff/rules/unsafe-markup-use) (`S704`). This rule has also been renamed from `RUF035`. - [`split-static-string`](https://docs.astral.sh/ruff/rules/split-static-string) (`SIM905`) - [`runtime-cast-value`](https://docs.astral.sh/ruff/rules/runtime-cast-value) (`TC006`) - [`unquoted-type-alias`](https://docs.astral.sh/ruff/rules/unquoted-type-alias) (`TC007`) - [`non-pep646-unpack`](https://docs.astral.sh/ruff/rules/non-pep646-unpack) (`UP044`) The following behaviors have been stabilized: - [`bad-staticmethod-argument`](https://docs.astral.sh/ruff/rules/bad-staticmethod-argument/) (`PLW0211`) [`invalid-first-argument-name-for-class-method`](https://docs.astral.sh/ruff/rules/invalid-first-argument-name-for-class-method/) (`N804`): `__new__` methods are now no longer flagged by `invalid-first-argument-name-for-class-method` (`N804`) but instead by `bad-staticmethod-argument` (`PLW0211`) - [`bad-str-strip-call`](https://docs.astral.sh/ruff/rules/bad-str-strip-call/) (`PLE1310`): The rule now applies to objects which are known to have type `str` or `bytes`. - [`blanket-noqa`](https://docs.astral.sh/ruff/rules/blanket-noqa/) (`PGH004`): Also detect blanked file-level noqa comments (and not just line level comments). - [`custom-type-var-for-self`](https://docs.astral.sh/ruff/rules/custom-type-var-for-self/) (`PYI019`): More accurate detection of custom `TypeVars` replaceable by `Self`. The range of the diagnostic is now the full function header rather than just the return annotation. - [`invalid-argument-name`](https://docs.astral.sh/ruff/rules/invalid-argument-name/) (`N803`): Ignore argument names of functions decorated with `typing.override` - [`invalid-envvar-default`](https://docs.astral.sh/ruff/rules/invalid-envvar-default/) (`PLW1508`): Detect default value arguments to `os.environ.get` with invalid type. - [`pytest-raises-with-multiple-statements`](https://docs.astral.sh/ruff/rules/pytest-raises-with-multiple-statements/) (`PT012`) [`pytest-warns-with-multiple-statements`](https://docs.astral.sh/ruff/rules/pytest-warns-with-multiple-statements/) (`PT031`): Allow `for` statements with an empty body in `pytest.raises` and `pytest.warns` `with` statements. - [`redundant-open-modes`](https://docs.astral.sh/ruff/rules/redundant-open-modes/) (`UP015`): The diagnostic range is now the range of the redundant mode argument where it previously was the range of the entire open call. You may have to replace your `noqa` comments when suppressing `UP015`. - [`stdlib-module-shadowing`](https://docs.astral.sh/ruff/rules/stdlib-module-shadowing/) (`A005`): Changes the default value of `lint.flake8-builtins.strict-checking` from `true` to `false`. - [`type-none-comparison`](https://docs.astral.sh/ruff/rules/type-none-comparison/) (`FURB169`): Now also recognizes `type(expr) is type(None)` comparisons where `expr` isn't a name expression. The following fixes or improvements to fixes have been stabilized: - [`repeated-equality-comparison`](https://docs.astral.sh/ruff/rules/repeated-equality-comparison/) (`PLR1714`) ([#16685](https://github.com/astral-sh/ruff/pull/16685)) - [`needless-bool`](https://docs.astral.sh/ruff/rules/needless-bool/) (`SIM103`) ([#16684](https://github.com/astral-sh/ruff/pull/16684)) - [`unused-private-type-var`](https://docs.astral.sh/ruff/rules/unused-private-type-var/) (`PYI018`) ([#16682](https://github.com/astral-sh/ruff/pull/16682)) ##### Server - Remove logging output for `ruff.printDebugInformation` ([#16617](https://github.com/astral-sh/ruff/pull/16617)) ##### Configuration - \[`flake8-builtins`] Deprecate the `builtins-` prefixed options in favor of the unprefixed options (e.g. `builtins-allowed-modules` is now deprecated in favor of `allowed-modules`) ([#16092](https://github.com/astral-sh/ruff/pull/16092)) ##### Bug fixes - \[flake8-bandit] Fix mixed-case hash algorithm names (S324) ([#16552](https://github.com/astral-sh/ruff/pull/16552)) ##### CLI - \[ruff] Fix `last_tag`/`commits_since_last_tag` for `version` command ([#16686](https://github.com/astral-sh/ruff/pull/16686)) ### [`v0.9.10`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0910) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.9...0.9.10) ##### Preview features - \[`ruff`] Add new rule `RUF059`: Unused unpacked assignment ([#16449](https://github.com/astral-sh/ruff/pull/16449)) - \[`syntax-errors`] Detect assignment expressions before Python 3.8 ([#16383](https://github.com/astral-sh/ruff/pull/16383)) - \[`syntax-errors`] Named expressions in decorators before Python 3.9 ([#16386](https://github.com/astral-sh/ruff/pull/16386)) - \[`syntax-errors`] Parenthesized keyword argument names after Python 3.8 ([#16482](https://github.com/astral-sh/ruff/pull/16482)) - \[`syntax-errors`] Positional-only parameters before Python 3.8 ([#16481](https://github.com/astral-sh/ruff/pull/16481)) - \[`syntax-errors`] Tuple unpacking in `return` and `yield` before Python 3.8 ([#16485](https://github.com/astral-sh/ruff/pull/16485)) - \[`syntax-errors`] Type parameter defaults before Python 3.13 ([#16447](https://github.com/astral-sh/ruff/pull/16447)) - \[`syntax-errors`] Type parameter lists before Python 3.12 ([#16479](https://github.com/astral-sh/ruff/pull/16479)) - \[`syntax-errors`] `except*` before Python 3.11 ([#16446](https://github.com/astral-sh/ruff/pull/16446)) - \[`syntax-errors`] `type` statements before Python 3.12 ([#16478](https://github.com/astral-sh/ruff/pull/16478)) ##### Bug fixes - Escape template filenames in glob patterns in configuration ([#16407](https://github.com/astral-sh/ruff/pull/16407)) - \[`flake8-simplify`] Exempt unittest context methods for `SIM115` rule ([#16439](https://github.com/astral-sh/ruff/pull/16439)) - Formatter: Fix syntax error location in notebooks ([#16499](https://github.com/astral-sh/ruff/pull/16499)) - \[`pyupgrade`] Do not offer fix when at least one target is `global`/`nonlocal` (`UP028`) ([#16451](https://github.com/astral-sh/ruff/pull/16451)) - \[`flake8-builtins`] Ignore variables matching module attribute names (`A001`) ([#16454](https://github.com/astral-sh/ruff/pull/16454)) - \[`pylint`] Convert `code` keyword argument to a positional argument in fix for (`PLR1722`) ([#16424](https://github.com/astral-sh/ruff/pull/16424)) ##### CLI - Move rule code from `description` to `check_name` in GitLab output serializer ([#16437](https://github.com/astral-sh/ruff/pull/16437)) ##### Documentation - \[`pydocstyle`] Clarify that `D417` only checks docstrings with an arguments section ([#16494](https://github.com/astral-sh/ruff/pull/16494)) ### [`v0.9.9`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#099) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.8...0.9.9) ##### Preview features - Fix caching of unsupported-syntax errors ([#16425](https://github.com/astral-sh/ruff/pull/16425)) ##### Bug fixes - Only show unsupported-syntax errors in editors when preview mode is enabled ([#16429](https://github.com/astral-sh/ruff/pull/16429)) ### [`v0.9.8`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#098) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.7...0.9.8) ##### Preview features - Start detecting version-related syntax errors in the parser ([#16090](https://github.com/astral-sh/ruff/pull/16090)) ##### Rule changes - \[`pylint`] Mark fix unsafe (`PLW1507`) ([#16343](https://github.com/astral-sh/ruff/pull/16343)) - \[`pylint`] Catch `case np.nan`/`case math.nan` in `match` statements (`PLW0177`) ([#16378](https://github.com/astral-sh/ruff/pull/16378)) - \[`ruff`] Add more Pydantic models variants to the list of default copy semantics (`RUF012`) ([#16291](https://github.com/astral-sh/ruff/pull/16291)) ##### Server - Avoid indexing the project if `configurationPreference` is `editorOnly` ([#16381](https://github.com/astral-sh/ruff/pull/16381)) - Avoid unnecessary info at non-trace server log level ([#16389](https://github.com/astral-sh/ruff/pull/16389)) - Expand `ruff.configuration` to allow inline config ([#16296](https://github.com/astral-sh/ruff/pull/16296)) - Notify users for invalid client settings ([#16361](https://github.com/astral-sh/ruff/pull/16361)) ##### Configuration - Add `per-file-target-version` option ([#16257](https://github.com/astral-sh/ruff/pull/16257)) ##### Bug fixes - \[`refurb`] Do not consider docstring(s) (`FURB156`) ([#16391](https://github.com/astral-sh/ruff/pull/16391)) - \[`flake8-self`] Ignore attribute accesses on instance-like variables (`SLF001`) ([#16149](https://github.com/astral-sh/ruff/pull/16149)) - \[`pylint`] Fix false positives, add missing methods, and support positional-only parameters (`PLE0302`) ([#16263](https://github.com/astral-sh/ruff/pull/16263)) - \[`flake8-pyi`] Mark `PYI030` fix unsafe when comments are deleted ([#16322](https://github.com/astral-sh/ruff/pull/16322)) ##### Documentation - Fix example for `S611` ([#16316](https://github.com/astral-sh/ruff/pull/16316)) - Normalize inconsistent markdown headings in docstrings ([#16364](https://github.com/astral-sh/ruff/pull/16364)) - Document MSRV policy ([#16384](https://github.com/astral-sh/ruff/pull/16384)) ### [`v0.9.7`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#097) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.6...0.9.7) ##### Preview features - Consider `__new__` methods as special function type for enforcing class method or static method rules ([#13305](https://github.com/astral-sh/ruff/pull/13305)) - \[`airflow`] Improve the internal logic to differentiate deprecated symbols (`AIR303`) ([#16013](https://github.com/astral-sh/ruff/pull/16013)) - \[`refurb`] Manual timezone monkeypatching (`FURB162`) ([#16113](https://github.com/astral-sh/ruff/pull/16113)) - \[`ruff`] Implicit class variable in dataclass (`RUF045`) ([#14349](https://github.com/astral-sh/ruff/pull/14349)) - \[`ruff`] Skip singleton starred expressions for `incorrectly-parenthesized-tuple-in-subscript` (`RUF031`) ([#16083](https://github.com/astral-sh/ruff/pull/16083)) - \[`refurb`] Check for subclasses includes subscript expressions (`FURB189`) ([#16155](https://github.com/astral-sh/ruff/pull/16155)) ##### Rule changes - \[`flake8-debugger`] Also flag `sys.breakpointhook` and `sys.__breakpointhook__` (`T100`) ([#16191](https://github.com/astral-sh/ruff/pull/16191)) - \[`pycodestyle`] Exempt `site.addsitedir(...)` calls (`E402`) ([#16251](https://github.com/astral-sh/ruff/pull/16251)) ##### Formatter - Fix unstable formatting of trailing end-of-line comments of parenthesized attribute values ([#16187](https://github.com/astral-sh/ruff/pull/16187)) ##### Server - Fix handling of requests received after shutdown message ([#16262](https://github.com/astral-sh/ruff/pull/16262)) - Ignore `source.organizeImports.ruff` and `source.fixAll.ruff` code actions for a notebook cell ([#16154](https://github.com/astral-sh/ruff/pull/16154)) - Include document specific debug info for `ruff.printDebugInformation` ([#16215](https://github.com/astral-sh/ruff/pull/16215)) - Update server to return the debug info as string with `ruff.printDebugInformation` ([#16214](https://github.com/astral-sh/ruff/pull/16214)) ##### CLI - Warn on invalid `noqa` even when there are no diagnostics ([#16178](https://github.com/astral-sh/ruff/pull/16178)) - Better error messages while loading configuration `extend`s ([#15658](https://github.com/astral-sh/ruff/pull/15658)) ##### Bug fixes - \[`flake8-comprehensions`] Handle trailing comma in `C403` fix ([#16110](https://github.com/astral-sh/ruff/pull/16110)) - \[`flake8-pyi`] Avoid flagging `custom-typevar-for-self` on metaclass methods (`PYI019`) ([#16141](https://github.com/astral-sh/ruff/pull/16141)) - \[`pydocstyle`] Handle arguments with the same names as sections (`D417`) ([#16011](https://github.com/astral-sh/ruff/pull/16011)) - \[`pylint`] Correct ordering of arguments in fix for `if-stmt-min-max` (`PLR1730`) ([#16080](https://github.com/astral-sh/ruff/pull/16080)) - \[`pylint`] Do not offer fix for raw strings (`PLE251`) ([#16132](https://github.com/astral-sh/ruff/pull/16132)) - \[`pyupgrade`] Do not upgrade functional `TypedDicts` with private field names to the class-based syntax (`UP013`) ([#16219](https://github.com/astral-sh/ruff/pull/16219)) - \[`pyupgrade`] Handle micro version numbers correctly (`UP036`) ([#16091](https://github.com/astral-sh/ruff/pull/16091)) - \[`pyupgrade`] Unwrap unary expressions correctly (`UP018`) ([#15919](https://github.com/astral-sh/ruff/pull/15919)) - \[`refurb`] Correctly handle lengths of literal strings in `slice-to-remove-prefix-or-suffix` (`FURB188`) ([#16237](https://github.com/astral-sh/ruff/pull/16237)) - \[`ruff`] Skip `RUF001` diagnostics when visiting string type definitions ([#16122](https://github.com/astral-sh/ruff/pull/16122)) ##### Documentation - Add FAQ entry for `source.*` code actions in Notebook ([#16212](https://github.com/astral-sh/ruff/pull/16212)) - Add `SECURITY.md` ([#16224](https://github.com/astral-sh/ruff/pull/16224)) ### [`v0.9.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#096) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.5...0.9.6) ##### Preview features - \[`airflow`] Add `external_task.{ExternalTaskMarker, ExternalTaskSensor}` for `AIR302` ([#16014](https://github.com/astral-sh/ruff/pull/16014)) - \[`flake8-builtins`] Make strict module name comparison optional (`A005`) ([#15951](https://github.com/astral-sh/ruff/pull/15951)) - \[`flake8-pyi`] Extend fix to Python <= 3.9 for `redundant-none-literal` (`PYI061`) ([#16044](https://github.com/astral-sh/ruff/pull/16044)) - \[`pylint`] Also report when the object isn't a literal (`PLE1310`) ([#15985](https://github.com/astral-sh/ruff/pull/15985)) - \[`ruff`] Implement `indented-form-feed` (`RUF054`) ([#16049](https://github.com/astral-sh/ruff/pull/16049)) - \[`ruff`] Skip type definitions for `missing-f-string-syntax` (`RUF027`) ([#16054](https://github.com/astral-sh/ruff/pull/16054)) ##### Rule changes - \[`flake8-annotations`] Correct syntax for `typing.Union` in suggested return type fixes for `ANN20x` rules ([#16025](https://github.com/astral-sh/ruff/pull/16025)) - \[`flake8-builtins`] Match upstream module name comparison (`A005`) ([#16006](https://github.com/astral-sh/ruff/pull/16006)) - \[`flake8-comprehensions`] Detect overshadowed `list`/`set`/`dict`, ignore variadics and named expressions (`C417`) ([#15955](https://github.com/astral-sh/ruff/pull/15955)) - \[`flake8-pie`] Remove following comma correctly when the unpacked dictionary is empty (`PIE800`) ([#16008](https://github.com/astral-sh/ruff/pull/16008)) - \[`flake8-simplify`] Only trigger `SIM401` on known dictionaries ([#15995](https://github.com/astral-sh/ruff/pull/15995)) - \[`pylint`] Do not report calls when object type and argument type mismatch, remove custom escape handling logic (`PLE1310`) ([#15984](https://github.com/astral-sh/ruff/pull/15984)) - \[`pyupgrade`] Comments within parenthesized value ranges should not affect applicability (`UP040`) ([#16027](https://github.com/astral-sh/ruff/pull/16027)) - \[`pyupgrade`] Don't introduce invalid syntax when upgrading old-style type aliases with parenthesized multiline values (`UP040`) ([#16026](https://github.com/astral-sh/ruff/pull/16026)) - \[`pyupgrade`] Ensure we do not rename two type parameters to the same name (`UP049`) ([#16038](https://github.com/astral-sh/ruff/pull/16038)) - \[`pyupgrade`] \[`ruff`] Don't apply renamings if the new name is shadowed in a scope of one of the references to the binding (`UP049`, `RUF052`) ([#16032](https://github.com/astral-sh/ruff/pull/16032)) - \[`ruff`] Update `RUF009` to behave similar to `B008` and ignore attributes with immutable types ([#16048](https://github.com/astral-sh/ruff/pull/16048)) ##### Server - Root exclusions in the server to project root ([#16043](https://github.com/astral-sh/ruff/pull/16043)) ##### Bug fixes - \[`flake8-datetime`] Ignore `.replace()` calls while looking for `.astimezone` ([#16050](https://github.com/astral-sh/ruff/pull/16050)) - \[`flake8-type-checking`] Avoid `TC004` false positive where the runtime definition is provided by `__getattr__` ([#16052](https://github.com/astral-sh/ruff/pull/16052)) ##### Documentation - Improve `ruff-lsp` migration document ([#16072](https://github.com/astral-sh/ruff/pull/16072)) - Undeprecate `ruff.nativeServer` ([#16039](https://github.com/astral-sh/ruff/pull/16039)) ### [`v0.9.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#095) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.4...0.9.5) ##### Preview features - Recognize all symbols named `TYPE_CHECKING` for `in_type_checking_block` ([#15719](https://github.com/astral-sh/ruff/pull/15719)) - \[`flake8-comprehensions`] Handle builtins at top of file correctly for `unnecessary-dict-comprehension-for-iterable` (`C420`) ([#15837](https://github.com/astral-sh/ruff/pull/15837)) - \[`flake8-logging`] `.exception()` and `exc_info=` outside exception handlers (`LOG004`, `LOG014`) ([#15799](https://github.com/astral-sh/ruff/pull/15799)) - \[`flake8-pyi`] Fix incorrect behaviour of `custom-typevar-return-type` preview-mode autofix if `typing` was already imported (`PYI019`) ([#15853](https://github.com/astral-sh/ruff/pull/15853)) - \[`flake8-pyi`] Fix more complex cases (`PYI019`) ([#15821](https://github.com/astral-sh/ruff/pull/15821)) - \[`flake8-pyi`] Make `PYI019` autofixable for `.py` files in preview mode as well as stubs ([#15889](https://github.com/astral-sh/ruff/pull/15889)) - \[`flake8-pyi`] Remove type parameter correctly when it is the last (`PYI019`) ([#15854](https://github.com/astral-sh/ruff/pull/15854)) - \[`pylint`] Fix missing parens in unsafe fix for `unnecessary-dunder-call` (`PLC2801`) ([#15762](https://github.com/astral-sh/ruff/pull/15762)) - \[`pyupgrade`] Better messages and diagnostic range (`UP015`) ([#15872](https://github.com/astral-sh/ruff/pull/15872)) - \[`pyupgrade`] Rename private type parameters in PEP 695 generics (`UP049`) ([#15862](https://github.com/astral-sh/ruff/pull/15862)) - \[`refurb`] Also report non-name expressions (`FURB169`) ([#15905](https://github.com/astral-sh/ruff/pull/15905)) - \[`refurb`] Mark fix as unsafe if there are comments (`FURB171`) ([#15832](https://github.com/astral-sh/ruff/pull/15832)) - \[`ruff`] Classes with mixed type variable style (`RUF053`) ([#15841](https://github.com/astral-sh/ruff/pull/15841)) - \[`airflow`] `BashOperator` has been moved to `airflow.providers.standard.operators.bash.BashOperator` (`AIR302`) ([#15922](https://github.com/astral-sh/ruff/pull/15922)) - \[`flake8-pyi`] Add autofix for unused-private-type-var (`PYI018`) ([#15999](https://github.com/astral-sh/ruff/pull/15999)) - \[`flake8-pyi`] Significantly improve accuracy of `PYI019` if preview mode is enabled ([#15888](https://github.com/astral-sh/ruff/pull/15888)) ##### Rule changes - Preserve triple quotes and prefixes for strings ([#15818](https://github.com/astral-sh/ruff/pull/15818)) - \[`flake8-comprehensions`] Skip when `TypeError` present from too many (kw)args for `C410`,`C411`, and `C418` ([#15838](https://github.com/astral-sh/ruff/pull/15838)) - \[`flake8-pyi`] Rename `PYI019` and improve its diagnostic message ([#15885](https://github.com/astral-sh/ruff/pull/15885)) - \[`pep8-naming`] Ignore `@override` methods (`N803`) ([#15954](https://github.com/astral-sh/ruff/pull/15954)) - \[`pyupgrade`] Reuse replacement logic from `UP046` and `UP047` to preserve more comments (`UP040`) ([#15840](https://github.com/astral-sh/ruff/pull/15840)) - \[`ruff`] Analyze deferred annotations before enforcing `mutable-(data)class-default` and `function-call-in-dataclass-default-argument` (`RUF008`,`RUF009`,`RUF012`) ([#15921](https://github.com/astral-sh/ruff/pull/15921)) - \[`pycodestyle`] Exempt `sys.path += ...` calls (`E402`) ([#15980](https://github.com/astral-sh/ruff/pull/15980)) ##### Configuration - Config error only when `flake8-import-conventions` alias conflicts with `isort.required-imports` bound name ([#15918](https://github.com/astral-sh/ruff/pull/15918)) - Workaround Even Better TOML crash related to `allOf` ([#15992](https://github.com/astral-sh/ruff/pull/15992)) ##### Bug fixes - \[`flake8-comprehensions`] Unnecessary `list` comprehension (rewrite as a `set` comprehension) (`C403`) - Handle extraneous parentheses around list comprehension ([#15877](https://github.com/astral-sh/ruff/pull/15877)) - \[`flake8-comprehensions`] Handle trailing comma in fixes for `unnecessary-generator-list/set` (`C400`,`C401`) ([#15929](https://github.com/astral-sh/ruff/pull/15929)) - \[`flake8-pyi`] Fix several correctness issues with `custom-type-var-return-type` (`PYI019`) ([#15851](https://github.com/astral-sh/ruff/pull/15851)) - \[`pep8-naming`] Consider any number of leading underscore for `N801` ([#15988](https://github.com/astral-sh/ruff/pull/15988)) - \[`pyflakes`] Visit forward annotations in `TypeAliasType` as types (`F401`) ([#15829](https://github.com/astral-sh/ruff/pull/15829)) - \[`pylint`] Correct min/max auto-fix and suggestion for (`PL1730`) ([#15930](https://github.com/astral-sh/ruff/pull/15930)) - \[`refurb`] Handle unparenthesized tuples correctly (`FURB122`, `FURB142`) ([#15953](https://github.com/astral-sh/ruff/pull/15953)) - \[`refurb`] Avoid `None | None` as well as better detection and fix (`FURB168`) ([#15779](https://github.com/astral-sh/ruff/pull/15779)) ##### Documentation - Add deprecation warning for `ruff-lsp` related settings ([#15850](https://github.com/astral-sh/ruff/pull/15850)) - Docs (`linter.md`): clarify that Python files are always searched for in subdirectories ([#15882](https://github.com/astral-sh/ruff/pull/15882)) - Fix a typo in `non_pep695_generic_class.rs` ([#15946](https://github.com/astral-sh/ruff/pull/15946)) - Improve Docs: Pylint subcategories' codes ([#15909](https://github.com/astral-sh/ruff/pull/15909)) - Remove non-existing `lint.extendIgnore` editor setting ([#15844](https://github.com/astral-sh/ruff/pull/15844)) - Update black deviations ([#15928](https://github.com/astral-sh/ruff/pull/15928)) - Mention `UP049` in `UP046` and `UP047`, add `See also` section to `UP040` ([#15956](https://github.com/astral-sh/ruff/pull/15956)) - Add instance variable examples to `RUF012` ([#15982](https://github.com/astral-sh/ruff/pull/15982)) - Explain precedence for `ignore` and `select` config ([#15883](https://github.com/astral-sh/ruff/pull/15883)) ### [`v0.9.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#094) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.3...0.9.4) ##### Preview features - \[`airflow`] Extend airflow context parameter check for `BaseOperator.execute` (`AIR302`) ([#15713](https://github.com/astral-sh/ruff/pull/15713)) - \[`airflow`] Update `AIR302` to check for deprecated context keys ([#15144](https://github.com/astral-sh/ruff/pull/15144)) - \[`flake8-bandit`] Permit suspicious imports within stub files (`S4`) ([#15822](https://github.com/astral-sh/ruff/pull/15822)) - \[`pylint`] Do not trigger `PLR6201` on empty collections ([#15732](https://github.com/astral-sh/ruff/pull/15732)) - \[`refurb`] Do not emit diagnostic when loop variables are used outside loop body (`FURB122`) ([#15757](https://github.com/astral-sh/ruff/pull/15757)) - \[`ruff`] Add support for more `re` patterns (`RUF055`) ([#15764](https://github.com/astral-sh/ruff/pull/15764)) - \[`ruff`] Check for shadowed `map` before suggesting fix (`RUF058`) ([#15790](https://github.com/astral-sh/ruff/pull/15790)) - \[`ruff`] Do not emit diagnostic when all arguments to `zip()` are variadic (`RUF058`) ([#15744](https://github.com/astral-sh/ruff/pull/15744)) - \[`ruff`] Parenthesize fix when argument spans multiple lines for `unnecessary-round` (`RUF057`) ([#15703](https://github.com/astral-sh/ruff/pull/15703)) ##### Rule changes - Preserve quote style in generated code ([#15726](https://github.com/astral-sh/ruff/pull/15726), [#15778](https://github.com/astral-sh/ruff/pull/15778), [#15794](https://github.com/astral-sh/ruff/pull/15794)) - \[`flake8-bugbear`] Exempt `NewType` calls where the original type is immutable (`B008`) ([#15765](https://github.com/astral-sh/ruff/pull/15765)) - \[`pylint`] Honor banned top-level imports by `TID253` in `PLC0415`. ([#15628](https://github.com/astral-sh/ruff/pull/15628)) - \[`pyupgrade`] Ignore `is_typeddict` and `TypedDict` for `deprecated-import` (`UP035`) ([#15800](https://github.com/astral-sh/ruff/pull/15800)) ##### CLI - Fix formatter warning message for `flake8-quotes` option ([#15788](https://github.com/astral-sh/ruff/pull/15788)) - Implement tab autocomplete for `ruff config` ([#15603](https://github.com/astral-sh/ruff/pull/15603)) ##### Bug fixes - \[`flake8-comprehensions`] Do not emit `unnecessary-map` diagnostic when lambda has different arity (`C417`) ([#15802](https://github.com/astral-sh/ruff/pull/15802)) - \[`flake8-comprehensions`] Parenthesize `sorted` when needed for `unnecessary-call-around-sorted` (`C413`) ([#15825](https://github.com/astral-sh/ruff/pull/15825)) - \[`pyupgrade`] Handle end-of-line comments for `quoted-annotation` (`UP037`) ([#15824](https://github.com/astral-sh/ruff/pull/15824)) ##### Documentation - Add missing config docstrings ([#15803](https://github.com/astral-sh/ruff/pull/15803)) - Add references to `trio.run_process` and `anyio.run_process` ([#15761](https://github.com/astral-sh/ruff/pull/15761)) - Use `uv init --lib` in tutorial ([#15718](https://github.com/astral-sh/ruff/pull/15718)) ### [`v0.9.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#093) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.2...0.9.3) ##### Preview features - \[`airflow`] Argument `fail_stop` in DAG has been renamed as `fail_fast` (`AIR302`) ([#15633](https://github.com/astral-sh/ruff/pull/15633)) - \[`airflow`] Extend `AIR303` with more symbols ([#15611](https://github.com/astral-sh/ruff/pull/15611)) - \[`flake8-bandit`] Report all references to suspicious functions (`S3`) ([#15541](https://github.com/astral-sh/ruff/pull/15541)) - \[`flake8-pytest-style`] Do not emit diagnostics for empty `for` loops (`PT012`, `PT031`) ([#15542](https://github.com/astral-sh/ruff/pull/15542)) - \[`flake8-simplify`] Avoid double negations (`SIM103`) ([#15562](https://github.com/astral-sh/ruff/pull/15562)) - \[`pyflakes`] Fix infinite loop with unused local import in `__init__.py` (`F401`) ([#15517](https://github.com/astral-sh/ruff/pull/15517)) - \[`pylint`] Do not report methods with only one `EM101`-compatible `raise` (`PLR6301`) ([#15507](https://github.com/astral-sh/ruff/pull/15507)) - \[`pylint`] Implement `redefined-slots-in-subclass` (`W0244`) ([#9640](https://github.com/astral-sh/ruff/pull/9640)) - \[`pyupgrade`] Add rules to use PEP 695 generics in classes and functions (`UP046`, `UP047`) ([#15565](https://github.com/astral-sh/ruff/pull/15565), [#15659](https://github.com/astral-sh/ruff/pull/15659)) - \[`refurb`] Implement `for-loop-writes` (`FURB122`) ([#10630](https://github.com/astral-sh/ruff/pull/10630)) - \[`ruff`] Implement `needless-else` clause (`RUF047`) ([#15051](https://github.com/astral-sh/ruff/pull/15051)) - \[`ruff`] Implement `starmap-zip` (`RUF058`) ([#15483](https://github.com/astral-sh/ruff/pull/15483)) ##### Rule changes - \[`flake8-bugbear`] Do not raise error if keyword argument is present and target-python version is less or equals than 3.9 (`B903`) ([#15549](https://github.com/astral-sh/ruff/pull/15549)) - \[`flake8-comprehensions`] strip parentheses around generators in `unnecessary-generator-set` (`C401`) ([#15553](https://github.com/astral-sh/ruff/pull/15553)) - \[`flake8-pytest-style`] Rewrite references to `.exception` (`PT027`) ([#15680](https://github.com/astral-sh/ruff/pull/15680)) - \[`flake8-simplify`] Mark fixes as unsafe (`SIM201`, `SIM202`) ([#15626](https://github.com/astral-sh/ruff/pull/15626)) - \[`flake8-type-checking`] Fix some safe fixes being labeled unsafe (`TC006`,`TC008`) ([#15638](https://github.com/astral-sh/ruff/pull/15638)) - \[`isort`] Omit trailing whitespace in `unsorted-imports` (`I001`) ([#15518](https://github.com/astral-sh/ruff/pull/15518)) - \[`pydoclint`] Allow ignoring one line docstrings for `DOC` rules ([#13302](https://github.com/astral-sh/ruff/pull/13302)) - \[`pyflakes`] Apply redefinition fixes by source code order (`F811`) ([#15575](https://github.com/astral-sh/ruff/pull/15575)) - \[`pyflakes`] Avoid removing too many imports in `redefined-while-unused` (`F811`) ([#15585](https://github.com/astral-sh/ruff/pull/15585)) - \[`pyflakes`] Group redefinition fixes by source statement (`F811`) ([#15574](https://github.com/astral-sh/ruff/pull/15574)) - \[`pylint`] Include name of base class in message for `redefined-slots-in-subclass` (`W0244`) ([#15559](https://github.com/astral-sh/ruff/pull/15559)) - \[`ruff`] Update fix for `RUF055` to use `var == value` ([#15605](https://github.com/astral-sh/ruff/pull/15605)) ##### Formatter - Fix bracket spacing for single-element tuples in f-string expressions ([#15537](https://github.com/astral-sh/ruff/pull/15537)) - Fix unstable f-string formatting for expressions containing a trailing comma ([#15545](https://github.com/astral-sh/ruff/pull/15545)) ##### Performance - Avoid quadratic membership check in import fixes ([#15576](https://github.com/astral-sh/ruff/pull/15576)) ##### Server - Allow `unsafe-fixes` settings for code actions ([#15666](https://github.com/astral-sh/ruff/pull/15666)) ##### Bug fixes - \[`flake8-bandit`] Add missing single-line/dotall regex flag (`S608`) ([#15654](https://github.com/astral-sh/ruff/pull/15654)) - \[`flake8-import-conventions`] Fix infinite loop between `ICN001` and `I002` (`ICN001`) ([#15480](https://github.com/astral-sh/ruff/pull/15480)) - \[`flake8-simplify`] Do not emit diagnostics for expressions inside string type annotations (`SIM222`, `SIM223`) ([#15405](https://github.com/astral-sh/ruff/pull/15405)) - \[`pyflakes`] Treat arguments passed to the `default=` parameter of `TypeVar` as type expressions (`F821`) ([#15679](https://github.com/astral-sh/ruff/pull/15679)) - \[`pyupgrade`] Avoid syntax error when the iterable is a non-parenthesized tuple (`UP028`) ([#15543](https://github.com/astral-sh/ruff/pull/15543)) - \[`ruff`] Exempt `NewType` calls where the original type is immutable (`RUF009`) ([#15588](https://github.com/astral-sh/ruff/pull/15588)) - Preserve raw string prefix and escapes in all codegen fixes ([#15694](https://github.com/astral-sh/ruff/pull/15694)) ##### Documentation - Generate documentation redirects for lowercase rule codes ([#15564](https://github.com/astral-sh/ruff/pull/15564)) - `TRY300`: Add some extra notes on not catching exceptions you didn't expect ([#15036](https://github.com/astral-sh/ruff/pull/15036)) ### [`v0.9.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#092) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.1...0.9.2) ##### Preview features - \[`airflow`] Fix typo "security_managr" to "security_manager" (`AIR303`) ([#15463](https://github.com/astral-sh/ruff/pull/15463)) - \[`airflow`] extend and fix AIR302 rules ([#15525](https://github.com/astral-sh/ruff/pull/15525)) - \[`fastapi`] Handle parameters with `Depends` correctly (`FAST003`) ([#15364](https://github.com/astral-sh/ruff/pull/15364)) - \[`flake8-pytest-style`] Implement pytest.warns diagnostics (`PT029`, `PT030`, `PT031`) ([#15444](https://github.com/astral-sh/ruff/pull/15444)) - \[`flake8-pytest-style`] Test function parameters with default arguments (`PT028`) ([#15449](https://github.com/astral-sh/ruff/pull/15449)) - \[`flake8-type-checking`] Avoid false positives for `|` in `TC008` ([#15201](https://github.com/astral-sh/ruff/pull/15201)) ##### Rule changes - \[`flake8-todos`] Allow VSCode GitHub PR extension style links in `missing-todo-link` (`TD003`) ([#15519](https://github.com/astral-sh/ruff/pull/15519)) - \[`pyflakes`] Show syntax error message for `F722` ([#15523](https://github.com/astral-sh/ruff/pull/15523)) ##### Formatter - Fix curly bracket spacing around f-string expressions containing curly braces ([#15471](https://github.com/astral-sh/ruff/pull/15471)) - Fix joining of f-strings with different quotes when using quote style `Preserve` ([#15524](https://github.com/astral-sh/ruff/pull/15524)) ##### Server - Avoid indexing the same workspace multiple times ([#15495](https://github.com/astral-sh/ruff/pull/15495)) - Display context for `ruff.configuration` errors ([#15452](https://github.com/astral-sh/ruff/pull/15452)) ##### Configuration - Remove `flatten` to improve deserialization error messages ([#15414](https://github.com/astral-sh/ruff/pull/15414)) ##### Bug fixes - Parse triple-quoted string annotations as if parenthesized ([#15387](https://github.com/astral-sh/ruff/pull/15387)) - \[`fastapi`] Update `Annotated` fixes (`FAST002`) ([#15462](https://github.com/astral-sh/ruff/pull/15462)) - \[`flake8-bandit`] Check for `builtins` instead of `builtin` (`S102`, `PTH123`) ([#15443](https://github.com/astral-sh/ruff/pull/15443)) - \[`flake8-pathlib`] Fix `--select` for `os-path-dirname` (`PTH120`) ([#15446](https://github.com/astral-sh/ruff/pull/15446)) - \[`ruff`] Fix false positive on global keyword (`RUF052`) ([#15235](https://github.com/astral-sh/ruff/pull/15235)) ### [`v0.9.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0910) [Compare Source](https://github.com/astral-sh/ruff/compare/0.9.0...0.9.1) ##### Preview features - \[`ruff`] Add new rule `RUF059`: Unused unpacked assignment ([#16449](https://github.com/astral-sh/ruff/pull/16449)) - \[`syntax-errors`] Detect assignment expressions before Python 3.8 ([#16383](https://github.com/astral-sh/ruff/pull/16383)) - \[`syntax-errors`] Named expressions in decorators before Python 3.9 ([#16386](https://github.com/astral-sh/ruff/pull/16386)) - \[`syntax-errors`] Parenthesized keyword argument names after Python 3.8 ([#16482](https://github.com/astral-sh/ruff/pull/16482)) - \[`syntax-errors`] Positional-only parameters before Python 3.8 ([#16481](https://github.com/astral-sh/ruff/pull/16481)) - \[`syntax-errors`] Tuple unpacking in `return` and `yield` before Python 3.8 ([#16485](https://github.com/astral-sh/ruff/pull/16485)) - \[`syntax-errors`] Type parameter defaults before Python 3.13 ([#16447](https://github.com/astral-sh/ruff/pull/16447)) - \[`syntax-errors`] Type parameter lists before Python 3.12 ([#16479](https://github.com/astral-sh/ruff/pull/16479)) - \[`syntax-errors`] `except*` before Python 3.11 ([#16446](https://github.com/astral-sh/ruff/pull/16446)) - \[`syntax-errors`] `type` statements before Python 3.12 ([#16478](https://github.com/astral-sh/ruff/pull/16478)) ##### Bug fixes - Escape template filenames in glob patterns in configuration ([#16407](https://github.com/astral-sh/ruff/pull/16407)) - \[`flake8-simplify`] Exempt unittest context methods for `SIM115` rule ([#16439](https://github.com/astral-sh/ruff/pull/16439)) - Formatter: Fix syntax error location in notebooks ([#16499](https://github.com/astral-sh/ruff/pull/16499)) - \[`pyupgrade`] Do not offer fix when at least one target is `global`/`nonlocal` (`UP028`) ([#16451](https://github.com/astral-sh/ruff/pull/16451)) - \[`flake8-builtins`] Ignore variables matching module attribute names (`A001`) ([#16454](https://github.com/astral-sh/ruff/pull/16454)) - \[`pylint`] Convert `code` keyword argument to a positional argument in fix for (`PLR1722`) ([#16424](https://github.com/astral-sh/ruff/pull/16424)) ##### CLI - Move rule code from `description` to `check_name` in GitLab output serializer ([#16437](https://github.com/astral-sh/ruff/pull/16437)) ##### Documentation - \[`pydocstyle`] Clarify that `D417` only checks docstrings with an arguments section ([#16494](https://github.com/astral-sh/ruff/pull/16494)) ### [`v0.9.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#090) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.6...0.9.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.9.0) for a migration guide and overview of the changes! ##### Breaking changes Ruff now formats your code according to the 2025 style guide. As a result, your code might now get formatted differently. See the formatter section for a detailed list of changes. This release doesn’t remove or remap any existing stable rules. ##### Stabilization The following rules have been stabilized and are no longer in preview: - [`stdlib-module-shadowing`](https://docs.astral.sh/ruff/rules/stdlib-module-shadowing/) (`A005`). This rule has also been renamed: previously, it was called `builtin-module-shadowing`. - [`builtin-lambda-argument-shadowing`](https://docs.astral.sh/ruff/rules/builtin-lambda-argument-shadowing/) (`A006`) - [`slice-to-remove-prefix-or-suffix`](https://docs.astral.sh/ruff/rules/slice-to-remove-prefix-or-suffix/) (`FURB188`) - [`boolean-chained-comparison`](https://docs.astral.sh/ruff/rules/boolean-chained-comparison/) (`PLR1716`) - [`decimal-from-float-literal`](https://docs.astral.sh/ruff/rules/decimal-from-float-literal/) (`RUF032`) - [`post-init-default`](https://docs.astral.sh/ruff/rules/post-init-default/) (`RUF033`) - [`useless-if-else`](https://docs.astral.sh/ruff/rules/useless-if-else/) (`RUF034`) The following behaviors have been stabilized: - [`pytest-parametrize-names-wrong-type`](https://docs.astral.sh/ruff/rules/pytest-parametrize-names-wrong-type/) (`PT006`): Detect [`pytest.parametrize`](https://docs.pytest.org/en/7.1.x/how-to/parametrize.html#parametrize) calls outside decorators and calls with keyword arguments. - [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file/) (`E402`): Ignore [`pytest.importorskip`](https://docs.pytest.org/en/7.1.x/reference/reference.html#pytest-importorskip) calls between import statements. - [`mutable-dataclass-default`](https://docs.astral.sh/ruff/rules/mutable-dataclass-default/) (`RUF008`) and [`function-call-in-dataclass-default-argument`](https://docs.astral.sh/ruff/rules/function-call-in-dataclass-default-argument/) (`RUF009`): Add support for [`attrs`](https://www.attrs.org/en/stable/). - [`bad-version-info-comparison`](https://docs.astral.sh/ruff/rules/bad-version-info-comparison/) (`PYI006`): Extend the rule to check non-stub files. The following fixes or improvements to fixes have been stabilized: - [`redundant-numeric-union`](https://docs.astral.sh/ruff/rules/redundant-numeric-union/) (`PYI041`) - [`duplicate-union-members`](https://docs.astral.sh/ruff/rules/duplicate-union-member/) (`PYI016`) ##### Formatter This release introduces the new 2025 stable style ([#13371](https://github.com/astral-sh/ruff/issues/13371)), stabilizing the following changes: - Format expressions in f-string elements ([#7594](https://github.com/astral-sh/ruff/issues/7594)) - Alternate quotes for strings inside f-strings ([#13860](https://github.com/astral-sh/ruff/pull/13860)) - Preserve the casing of hex codes in f-string debug expressions ([#14766](https://github.com/astral-sh/ruff/issues/14766)) - Choose the quote style for each string literal in an implicitly concatenated f-string rather than for the entire string ([#13539](https://github.com/astral-sh/ruff/pull/13539)) - Automatically join an implicitly concatenated string into a single string literal if it fits on a single line ([#9457](https://github.com/astral-sh/ruff/issues/9457)) - Remove the [`ISC001`](https://docs.astral.sh/ruff/rules/single-line-implicit-string-concatenation/) incompatibility warning ([#15123](https://github.com/astral-sh/ruff/pull/15123)) - Prefer parenthesizing the `assert` message over breaking the assertion expression ([#9457](https://github.com/astral-sh/ruff/issues/9457)) - Automatically parenthesize over-long `if` guards in `match` `case` clauses ([#13513](https://github.com/astral-sh/ruff/pull/13513)) - More consistent formatting for `match` `case` patterns ([#6933](https://github.com/astral-sh/ruff/issues/6933)) - Avoid unnecessary parentheses around return type annotations ([#13381](https://github.com/astral-sh/ruff/pull/13381)) - Keep the opening parentheses on the same line as the `if` keyword for comprehensions where the condition has a leading comment ([#12282](https://github.com/astral-sh/ruff/pull/12282)) - More consistent formatting for `with` statements with a single context manager for Python 3.8 or older ([#10276](https://github.com/astral-sh/ruff/pull/10276)) - Correctly calculate the line-width for code blocks in docstrings when using `max-doc-code-line-length = "dynamic"` ([#13523](https://github.com/astral-sh/ruff/pull/13523)) ##### Preview features - \[`flake8-bugbear`] Implement `class-as-data-structure` (`B903`) ([#9601](https://github.com/astral-sh/ruff/pull/9601)) - \[`flake8-type-checking`] Apply `quoted-type-alias` more eagerly in `TYPE_CHECKING` blocks and ignore it in stubs (`TC008`) ([#15180](https://github.com/astral-sh/ruff/pull/15180)) - \[`pylint`] Ignore `eq-without-hash` in stub files (`PLW1641`) ([#15310](https://github.com/astral-sh/ruff/pull/15310)) - \[`pyupgrade`] Split `UP007` into two individual rules: `UP007` for `Union` and `UP045` for `Optional` (`UP007`, `UP045`) ([#15313](https://github.com/astral-sh/ruff/pull/15313)) - \[`ruff`] New rule that detects classes that are both an enum and a `dataclass` (`RUF049`) ([#15299](https://github.com/astral-sh/ruff/pull/15299)) - \[`ruff`] Recode `RUF025` to `RUF037` (`RUF037`) ([#15258](https://github.com/astral-sh/ruff/pull/15258)) ##### Rule changes - \[`flake8-builtins`] Ignore [`stdlib-module-shadowing`](https://docs.astral.sh/ruff/rules/stdlib-module-shadowing/) in stub files(`A005`) ([#15350](https://github.com/astral-sh/ruff/pull/15350)) - \[`flake8-return`] Add support for functions returning `typing.Never` (`RET503`) ([#15298](https://github.com/astral-sh/ruff/pull/15298)) ##### Server - Improve the observability by removing the need for the ["trace" value](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#traceValue) to turn on or off logging. The server logging is solely controlled using the [`logLevel` server setting](https://docs.astral.sh/ruff/editors/settings/#loglevel) which defaults to `info`. This addresses the issue where users were notified about an error and told to consult the log, but it didn’t contain any messages. ([#15232](https://github.com/astral-sh/ruff/pull/15232)) - Ignore diagnostics from other sources for code action requests ([#15373](https://github.com/astral-sh/ruff/pull/15373)) ##### CLI - Improve the error message for `--config key=value` when the `key` is for a table and it’s a simple `value` ##### Bug fixes - \[`eradicate`] Ignore metadata blocks directly followed by normal blocks (`ERA001`) ([#15330](https://github.com/astral-sh/ruff/pull/15330)) - \[`flake8-django`] Recognize other magic methods (`DJ012`) ([#15365](https://github.com/astral-sh/ruff/pull/15365)) - \[`pycodestyle`] Avoid false positives related to type aliases (`E252`) ([#15356](https://github.com/astral-sh/ruff/pull/15356)) - \[`pydocstyle`] Avoid treating newline-separated sections as sub-sections (`D405`) ([#15311](https://github.com/astral-sh/ruff/pull/15311)) - \[`pyflakes`] Remove call when removing final argument from `format` (`F523`) ([#15309](https://github.com/astral-sh/ruff/pull/15309)) - \[`refurb`] Mark fix as unsafe when the right-hand side is a string (`FURB171`) ([#15273](https://github.com/astral-sh/ruff/pull/15273)) - \[`ruff`] Treat `)` as a regex metacharacter (`RUF043`, `RUF055`) ([#15318](https://github.com/astral-sh/ruff/pull/15318)) - \[`ruff`] Parenthesize the `int`-call argument when removing the `int` call would change semantics (`RUF046`) ([#15277](https://github.com/astral-sh/ruff/pull/15277)) ### [`v0.8.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#086) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.5...0.8.6) ##### Preview features - \[`format`]: Preserve multiline implicit concatenated strings in docstring positions ([#15126](https://github.com/astral-sh/ruff/pull/15126)) - \[`ruff`] Add rule to detect empty literal in deque call (`RUF025`) ([#15104](https://github.com/astral-sh/ruff/pull/15104)) - \[`ruff`] Avoid reporting when `ndigits` is possibly negative (`RUF057`) ([#15234](https://github.com/astral-sh/ruff/pull/15234)) ##### Rule changes - \[`flake8-todos`] remove issue code length restriction (`TD003`) ([#15175](https://github.com/astral-sh/ruff/pull/15175)) - \[`pyflakes`] Ignore errors in `@no_type_check` string annotations (`F722`, `F821`) ([#15215](https://github.com/astral-sh/ruff/pull/15215)) ##### CLI - Show errors for attempted fixes only when passed `--verbose` ([#15237](https://github.com/astral-sh/ruff/pull/15237)) ##### Bug fixes - \[`ruff`] Avoid syntax error when removing int over multiple lines (`RUF046`) ([#15230](https://github.com/astral-sh/ruff/pull/15230)) - \[`pyupgrade`] Revert "Add all PEP-585 names to `UP006` rule" ([#15250](https://github.com/astral-sh/ruff/pull/15250)) ### [`v0.8.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#085) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.4...0.8.5) ##### Preview features - \[`airflow`] Extend names moved from core to provider (`AIR303`) ([#15145](https://github.com/astral-sh/ruff/pull/15145), [#15159](https://github.com/astral-sh/ruff/pull/15159), [#15196](https://github.com/astral-sh/ruff/pull/15196), [#15216](https://github.com/astral-sh/ruff/pull/15216)) - \[`airflow`] Extend rule to check class attributes, methods, arguments (`AIR302`) ([#15054](https://github.com/astral-sh/ruff/pull/15054), [#15083](https://github.com/astral-sh/ruff/pull/15083)) - \[`fastapi`] Update `FAST002` to check keyword-only arguments ([#15119](https://github.com/astral-sh/ruff/pull/15119)) - \[`flake8-type-checking`] Disable `TC006` and `TC007` in stub files ([#15179](https://github.com/astral-sh/ruff/pull/15179)) - \[`pylint`] Detect nested methods correctly (`PLW1641`) ([#15032](https://github.com/astral-sh/ruff/pull/15032)) - \[`ruff`] Detect more strict-integer expressions (`RUF046`) ([#14833](https://github.com/astral-sh/ruff/pull/14833)) - \[`ruff`] Implement `falsy-dict-get-fallback` (`RUF056`) ([#15160](https://github.com/astral-sh/ruff/pull/15160)) - \[`ruff`] Implement `unnecessary-round` (`RUF057`) ([#14828](https://github.com/astral-sh/ruff/pull/14828)) ##### Rule changes - Visit PEP 764 inline `TypedDict` keys as non-type-expressions ([#15073](https://github.com/astral-sh/ruff/pull/15073)) - \[`flake8-comprehensions`] Skip `C416` if comprehension contains unpacking ([#14909](https://github.com/astral-sh/ruff/pull/14909)) - \[`flake8-pie`] Allow `cast(SomeType, ...)` (`PIE796`) ([#15141](https://github.com/astral-sh/ruff/pull/15141)) - \[`flake8-simplify`] More precise inference for dictionaries (`SIM300`) ([#15164](https://github.com/astral-sh/ruff/pull/15164)) - \[`flake8-use-pathlib`] Catch redundant joins in `PTH201` and avoid syntax errors ([#15177](https://github.com/astral-sh/ruff/pull/15177)) - \[`pycodestyle`] Preserve original value format (`E731`) ([#15097](https://github.com/astral-sh/ruff/pull/15097)) - \[`pydocstyle`] Split on first whitespace character (`D403`) ([#15082](https://github.com/astral-sh/ruff/pull/15082)) - \[`pyupgrade`] Add all PEP-585 names to `UP006` rule ([#5454](https://github.com/astral-sh/ruff/pull/5454)) ##### Configuration - \[`flake8-type-checking`] Improve flexibility of `runtime-evaluated-decorators` ([#15204](https://github.com/astral-sh/ruff/pull/15204)) - \[`pydocstyle`] Add setting to ignore missing documentation for `*args` and `**kwargs` parameters (`D417`) ([#15210](https://github.com/astral-sh/ruff/pull/15210)) - \[`ruff`] Add an allowlist for `unsafe-markup-use` (`RUF035`) ([#15076](https://github.com/astral-sh/ruff/pull/15076)) ##### Bug fixes - Fix type subscript on older python versions ([#15090](https://github.com/astral-sh/ruff/pull/15090)) - Use `TypeChecker` for detecting `fastapi` routes ([#15093](https://github.com/astral-sh/ruff/pull/15093)) - \[`pycodestyle`] Avoid false positives and negatives related to type parameter default syntax (`E225`, `E251`) ([#15214](https://github.com/astral-sh/ruff/pull/15214)) ##### Documentation - Fix incorrect doc in `shebang-not-executable` (`EXE001`) and add git+windows solution to executable bit ([#15208](https://github.com/astral-sh/ruff/pull/15208)) - Rename rules currently not conforming to naming convention ([#15102](https://github.com/astral-sh/ruff/pull/15102)) ### [`v0.8.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#084) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.3...0.8.4) ##### Preview features - \[`airflow`] Extend `AIR302` with additional functions and classes ([#15015](https://github.com/astral-sh/ruff/pull/15015)) - \[`airflow`] Implement `moved-to-provider-in-3` for modules that has been moved to Airflow providers (`AIR303`) ([#14764](https://github.com/astral-sh/ruff/pull/14764)) - \[`flake8-use-pathlib`] Extend check for invalid path suffix to include the case `"."` (`PTH210`) ([#14902](https://github.com/astral-sh/ruff/pull/14902)) - \[`perflint`] Fix panic in `PERF401` when list variable is after the `for` loop ([#14971](https://github.com/astral-sh/ruff/pull/14971)) - \[`perflint`] Simplify finding the loop target in `PERF401` ([#15025](https://github.com/astral-sh/ruff/pull/15025)) - \[`pylint`] Preserve original value format (`PLR6104`) ([#14978](https://github.com/astral-sh/ruff/pull/14978)) - \[`ruff`] Avoid false positives for `RUF027` for typing context bindings ([#15037](https://github.com/astral-sh/ruff/pull/15037)) - \[`ruff`] Check for ambiguous pattern passed to `pytest.raises()` (`RUF043`) ([#14966](https://github.com/astral-sh/ruff/pull/14966)) ##### Rule changes - \[`flake8-bandit`] Check `S105` for annotated assignment ([#15059](https://github.com/astral-sh/ruff/pull/15059)) - \[`flake8-pyi`] More autofixes for `redundant-none-literal` (`PYI061`) ([#14872](https://github.com/astral-sh/ruff/pull/14872)) - \[`pydocstyle`] Skip leading whitespace for `D403` ([#14963](https://github.com/astral-sh/ruff/pull/14963)) - \[`ruff`] Skip `SQLModel` base classes for `mutable-class-default` (`RUF012`) ([#14949](https://github.com/astral-sh/ruff/pull/14949)) ##### Bug - \[`perflint`] Parenthesize walrus expressions in autofix for `manual-list-comprehension` (`PERF401`) ([#15050](https://github.com/astral-sh/ruff/pull/15050)) ##### Server - Check diagnostic refresh support from client capability which enables dynamic configuration for various editors ([#15014](https://github.com/astral-sh/ruff/pull/15014)) ### [`v0.8.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#083) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.2...0.8.3) ##### Preview features - Fix fstring formatting removing overlong implicit concatenated string in expression part ([#14811](https://github.com/astral-sh/ruff/pull/14811)) - \[`airflow`] Add fix to remove deprecated keyword arguments (`AIR302`) ([#14887](https://github.com/astral-sh/ruff/pull/14887)) - \[`airflow`]: Extend rule to include deprecated names for Airflow 3.0 (`AIR302`) ([#14765](https://github.com/astral-sh/ruff/pull/14765) and [#14804](https://github.com/astral-sh/ruff/pull/14804)) - \[`flake8-bugbear`] Improve error messages for `except*` (`B025`, `B029`, `B030`, `B904`) ([#14815](https://github.com/astral-sh/ruff/pull/14815)) - \[`flake8-bugbear`] `itertools.batched()` without explicit `strict` (`B911`) ([#14408](https://github.com/astral-sh/ruff/pull/14408)) - \[`flake8-use-pathlib`] Dotless suffix passed to `Path.with_suffix()` (`PTH210`) ([#14779](https://github.com/astral-sh/ruff/pull/14779)) - \[`pylint`] Include parentheses and multiple comparators in check for `boolean-chained-comparison` (`PLR1716`) ([#14781](https://github.com/astral-sh/ruff/pull/14781)) - \[`ruff`] Do not simplify `round()` calls (`RUF046`) ([#14832](https://github.com/astral-sh/ruff/pull/14832)) - \[`ruff`] Don't emit `used-dummy-variable` on function parameters (`RUF052`) ([#14818](https://github.com/astral-sh/ruff/pull/14818)) - \[`ruff`] Implement `if-key-in-dict-del` (`RUF051`) ([#14553](https://github.com/astral-sh/ruff/pull/14553)) - \[`ruff`] Mark autofix for `RUF052` as always unsafe ([#14824](https://github.com/astral-sh/ruff/pull/14824)) - \[`ruff`] Teach autofix for `used-dummy-variable` about TypeVars etc. (`RUF052`) ([#14819](https://github.com/astral-sh/ruff/pull/14819)) ##### Rule changes - \[`flake8-bugbear`] Offer unsafe autofix for `no-explicit-stacklevel` (`B028`) ([#14829](https://github.com/astral-sh/ruff/pull/14829)) - \[`flake8-pyi`] Skip all type definitions in `string-or-bytes-too-long` (`PYI053`) ([#14797](https://github.com/astral-sh/ruff/pull/14797)) - \[`pyupgrade`] Do not report when a UTF-8 comment is followed by a non-UTF-8 one (`UP009`) ([#14728](https://github.com/astral-sh/ruff/pull/14728)) - \[`pyupgrade`] Mark fixes for `convert-typed-dict-functional-to-class` and `convert-named-tuple-functional-to-class` as unsafe if they will remove comments (`UP013`, `UP014`) ([#14842](https://github.com/astral-sh/ruff/pull/14842)) ##### Bug fixes - Raise syntax error for mixing `except` and `except*` ([#14895](https://github.com/astral-sh/ruff/pull/14895)) - \[`flake8-bugbear`] Fix `B028` to allow `stacklevel` to be explicitly assigned as a positional argument ([#14868](https://github.com/astral-sh/ruff/pull/14868)) - \[`flake8-bugbear`] Skip `B028` if `warnings.warn` is called with `*args` or `**kwargs` ([#14870](https://github.com/astral-sh/ruff/pull/14870)) - \[`flake8-comprehensions`] Skip iterables with named expressions in `unnecessary-map` (`C417`) ([#14827](https://github.com/astral-sh/ruff/pull/14827)) - \[`flake8-pyi`] Also remove `self` and `cls`'s annotation (`PYI034`) ([#14801](https://github.com/astral-sh/ruff/pull/14801)) - \[`flake8-pytest-style`] Fix `pytest-parametrize-names-wrong-type` (`PT006`) to edit both `argnames` and `argvalues` if both of them are single-element tuples/lists ([#14699](https://github.com/astral-sh/ruff/pull/14699)) - \[`perflint`] Improve autofix for `PERF401` ([#14369](https://github.com/astral-sh/ruff/pull/14369)) - \[`pylint`] Fix `PLW1508` false positive for default string created via a mult operation ([#14841](https://github.com/astral-sh/ruff/pull/14841)) ### [`v0.8.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#082) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.1...0.8.2) ##### Preview features - \[`airflow`] Avoid deprecated values (`AIR302`) ([#14582](https://github.com/astral-sh/ruff/pull/14582)) - \[`airflow`] Extend removed names for `AIR302` ([#14734](https://github.com/astral-sh/ruff/pull/14734)) - \[`ruff`] Extend `unnecessary-regular-expression` to non-literal strings (`RUF055`) ([#14679](https://github.com/astral-sh/ruff/pull/14679)) - \[`ruff`] Implement `used-dummy-variable` (`RUF052`) ([#14611](https://github.com/astral-sh/ruff/pull/14611)) - \[`ruff`] Implement `unnecessary-cast-to-int` (`RUF046`) ([#14697](https://github.com/astral-sh/ruff/pull/14697)) ##### Rule changes - \[`airflow`] Check `AIR001` from builtin or providers `operators` module ([#14631](https://github.com/astral-sh/ruff/pull/14631)) - \[`flake8-pytest-style`] Remove `@` in `pytest.mark.parametrize` rule messages ([#14770](https://github.com/astral-sh/ruff/pull/14770)) - \[`pandas-vet`] Skip rules if the `panda` module hasn't been seen ([#14671](https://github.com/astral-sh/ruff/pull/14671)) - \[`pylint`] Fix false negatives for `ascii` and `sorted` in `len-as-condition` (`PLC1802`) ([#14692](https://github.com/astral-sh/ruff/pull/14692)) - \[`refurb`] Guard `hashlib` imports and mark `hashlib-digest-hex` fix as safe (`FURB181`) ([#14694](https://github.com/astral-sh/ruff/pull/14694)) ##### Configuration - \[`flake8-import-conventions`] Improve syntax check for aliases supplied in configuration for `unconventional-import-alias` (`ICN001`) ([#14745](https://github.com/astral-sh/ruff/pull/14745)) ##### Bug fixes - Revert: \[pyflakes] Avoid false positives in `@no_type_check` contexts (`F821`, `F722`) ([#14615](https://github.com/astral-sh/ruff/issues/14615)) ([#14726](https://github.com/astral-sh/ruff/pull/14726)) - \[`pep8-naming`] Avoid false positive for `class Bar(type(foo))` (`N804`) ([#14683](https://github.com/astral-sh/ruff/pull/14683)) - \[`pycodestyle`] Handle f-strings properly for `invalid-escape-sequence` (`W605`) ([#14748](https://github.com/astral-sh/ruff/pull/14748)) - \[`pylint`] Ignore `@overload` in `PLR0904` ([#14730](https://github.com/astral-sh/ruff/pull/14730)) - \[`refurb`] Handle non-finite decimals in `verbose-decimal-constructor` (`FURB157`) ([#14596](https://github.com/astral-sh/ruff/pull/14596)) - \[`ruff`] Avoid emitting `assignment-in-assert` when all references to the assigned variable are themselves inside `assert`s (`RUF018`) ([#14661](https://github.com/astral-sh/ruff/pull/14661)) ##### Documentation - Improve docs for `flake8-use-pathlib` rules ([#14741](https://github.com/astral-sh/ruff/pull/14741)) - Improve error messages and docs for `flake8-comprehensions` rules ([#14729](https://github.com/astral-sh/ruff/pull/14729)) - \[`flake8-type-checking`] Expands `TC006` docs to better explain itself ([#14749](https://github.com/astral-sh/ruff/pull/14749)) ### [`v0.8.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#081) [Compare Source](https://github.com/astral-sh/ruff/compare/0.8.0...0.8.1) ##### Preview features - Formatter: Avoid invalid syntax for format-spec with quotes for all Python versions ([#14625](https://github.com/astral-sh/ruff/pull/14625)) - Formatter: Consider quotes inside format-specs when choosing the quotes for an f-string ([#14493](https://github.com/astral-sh/ruff/pull/14493)) - Formatter: Do not consider f-strings with escaped newlines as multiline ([#14624](https://github.com/astral-sh/ruff/pull/14624)) - Formatter: Fix f-string formatting in assignment statement ([#14454](https://github.com/astral-sh/ruff/pull/14454)) - Formatter: Fix unnecessary space around power operator (`**`) in overlong f-string expressions ([#14489](https://github.com/astral-sh/ruff/pull/14489)) - \[`airflow`] Avoid implicit `schedule` argument to `DAG` and `@dag` (`AIR301`) ([#14581](https://github.com/astral-sh/ruff/pull/14581)) - \[`flake8-builtins`] Exempt private built-in modules (`A005`) ([#14505](https://github.com/astral-sh/ruff/pull/14505)) - \[`flake8-pytest-style`] Fix `pytest.mark.parametrize` rules to check calls instead of decorators ([#14515](https://github.com/astral-sh/ruff/pull/14515)) - \[`flake8-type-checking`] Implement `runtime-cast-value` (`TC006`) ([#14511](https://github.com/astral-sh/ruff/pull/14511)) - \[`flake8-type-checking`] Implement `unquoted-type-alias` (`TC007`) and `quoted-type-alias` (`TC008`) ([#12927](https://github.com/astral-sh/ruff/pull/12927)) - \[`flake8-use-pathlib`] Recommend `Path.iterdir()` over `os.listdir()` (`PTH208`) ([#14509](https://github.com/astral-sh/ruff/pull/14509)) - \[`pylint`] Extend `invalid-envvar-default` to detect `os.environ.get` (`PLW1508`) ([#14512](https://github.com/astral-sh/ruff/pull/14512)) - \[`pylint`] Implement `len-test` (`PLC1802`) ([#14309](https://github.com/astral-sh/ruff/pull/14309)) - \[`refurb`] Fix bug where methods defined using lambdas were flagged by `FURB118` ([#14639](https://github.com/astral-sh/ruff/pull/14639)) - \[`ruff`] Auto-add `r` prefix when string has no backslashes for `unraw-re-pattern` (`RUF039`) ([#14536](https://github.com/astral-sh/ruff/pull/14536)) - \[`ruff`] Implement `invalid-assert-message-literal-argument` (`RUF040`) ([#14488](https://github.com/astral-sh/ruff/pull/14488)) - \[`ruff`] Implement `unnecessary-nested-literal` (`RUF041`) ([#14323](https://github.com/astral-sh/ruff/pull/14323)) - \[`ruff`] Implement `unnecessary-regular-expression` (`RUF055`) ([#14659](https://github.com/astral-sh/ruff/pull/14659)) ##### Rule changes - Ignore more rules for stub files ([#14541](https://github.com/astral-sh/ruff/pull/14541)) - \[`pep8-naming`] Eliminate false positives for single-letter names (`N811`, `N814`) ([#14584](https://github.com/astral-sh/ruff/pull/14584)) - \[`pyflakes`] Avoid false positives in `@no_type_check` contexts (`F821`, `F722`) ([#14615](https://github.com/astral-sh/ruff/pull/14615)) - \[`ruff`] Detect redirected-noqa in file-level comments (`RUF101`) ([#14635](https://github.com/astral-sh/ruff/pull/14635)) - \[`ruff`] Mark fixes for `unsorted-dunder-all` and `unsorted-dunder-slots` as unsafe when there are complex comments in the sequence (`RUF022`, `RUF023`) ([#14560](https://github.com/astral-sh/ruff/pull/14560)) ##### Bug fixes - Avoid fixing code to `None | None` for `redundant-none-literal` (`PYI061`) and `never-union` (`RUF020`) ([#14583](https://github.com/astral-sh/ruff/pull/14583), [#14589](https://github.com/astral-sh/ruff/pull/14589)) - \[`flake8-bugbear`] Fix `mutable-contextvar-default` to resolve annotated function calls properly (`B039`) ([#14532](https://github.com/astral-sh/ruff/pull/14532)) - \[`flake8-pyi`, `ruff`] Fix traversal of nested literals and unions (`PYI016`, `PYI051`, `PYI055`, `PYI062`, `RUF041`) ([#14641](https://github.com/astral-sh/ruff/pull/14641)) - \[`flake8-pyi`] Avoid rewriting invalid type expressions in `unnecessary-type-union` (`PYI055`) ([#14660](https://github.com/astral-sh/ruff/pull/14660)) - \[`flake8-type-checking`] Avoid syntax errors and type checking problem for quoted annotations autofix (`TC003`, `TC006`) ([#14634](https://github.com/astral-sh/ruff/pull/14634)) - \[`pylint`] Do not wrap function calls in parentheses in the fix for unnecessary-dunder-call (`PLC2801`) ([#14601](https://github.com/astral-sh/ruff/pull/14601)) - \[`ruff`] Handle `attrs`'s `auto_attribs` correctly (`RUF009`) ([#14520](https://github.com/astral-sh/ruff/pull/14520)) ### [`v0.8.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#080) [Compare Source](https://github.com/astral-sh/ruff/compare/0.7.4...0.8.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.8.0) for a migration guide and overview of the changes! ##### Breaking changes See also, the "Remapped rules" section which may result in disabled rules. - **Default to Python 3.9** Ruff now defaults to Python 3.9 instead of 3.8 if no explicit Python version is configured using [`ruff.target-version`](https://docs.astral.sh/ruff/settings/#target-version) or [`project.requires-python`](https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#python-requires) ([#13896](https://github.com/astral-sh/ruff/pull/13896)) - **Changed location of `pydoclint` diagnostics** [`pydoclint`](https://docs.astral.sh/ruff/rules/#pydoclint-doc) diagnostics now point to the first-line of the problematic docstring. Previously, this was not the case. If you've opted into these preview rules but have them suppressed using [`noqa`](https://docs.astral.sh/ruff/linter/#error-suppression) comments in some places, this change may mean that you need to move the `noqa` suppression comments. Most users should be unaffected by this change. - **Use XDG (i.e. `~/.local/bin`) instead of the Cargo home directory in the standalone installer** Previously, Ruff's installer used `$CARGO_HOME` or `~/.cargo/bin` for its target install directory. Now, Ruff will be installed into `$XDG_BIN_HOME`, `$XDG_DATA_HOME/../bin`, or `~/.local/bin` (in that order). This change is only relevant to users of the standalone Ruff installer (using the shell or PowerShell script). If you installed Ruff using uv or pip, you should be unaffected. - **Changes to the line width calculation** Ruff now uses a new version of the [unicode-width](https://github.com/unicode-rs/unicode-width) Rust crate to calculate the line width. In very rare cases, this may lead to lines containing Unicode characters being reformatted, or being considered too long when they were not before ([`E501`](https://docs.astral.sh/ruff/rules/line-too-long/)). ##### Removed Rules The following deprecated rules have been removed: - [`missing-type-self`](https://docs.astral.sh/ruff/rules/missing-type-self/) (`ANN101`) - [`missing-type-cls`](https://docs.astral.sh/ruff/rules/missing-type-cls/) (`ANN102`) - [`syntax-error`](https://docs.astral.sh/ruff/rules/syntax-error/) (`E999`) - [`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: - [`flake8-type-checking`](https://docs.astral.sh/ruff/rules/#flake8-type-checking-tc): `TCH` to `TC` ##### Stabilization The following rules have been stabilized and are no longer in preview: - [`builtin-import-shadowing`](https://docs.astral.sh/ruff/rules/builtin-import-shadowing/) (`A004`) - [`mutable-contextvar-default`](https://docs.astral.sh/ruff/rules/mutable-contextvar-default/) (`B039`) - [`fast-api-redundant-response-model`](https://docs.astral.sh/ruff/rules/fast-api-redundant-response-model/) (`FAST001`) - [`fast-api-non-annotated-dependency`](https://docs.astral.sh/ruff/rules/fast-api-non-annotated-dependency/) (`FAST002`) - [`dict-index-missing-items`](https://docs.astral.sh/ruff/rules/dict-index-missing-items/) (`PLC0206`) - [`pep484-style-positional-only-parameter`](https://docs.astral.sh/ruff/rules/pep484-style-positional-only-parameter/) (`PYI063`) - [`redundant-final-literal`](https://docs.astral.sh/ruff/rules/redundant-final-literal/) (`PYI064`) - [`bad-version-info-order`](https://docs.astral.sh/ruff/rules/bad-version-info-order/) (`PYI066`) - [`parenthesize-chained-operators`](https://docs.astral.sh/ruff/rules/parenthesize-chained-operators/) (`RUF021`) - [`unsorted-dunder-all`](https://docs.astral.sh/ruff/rules/unsorted-dunder-all/) (`RUF022`) - [`unsorted-dunder-slots`](https://docs.astral.sh/ruff/rules/unsorted-dunder-slots/) (`RUF023`) - [`assert-with-print-message`](https://docs.astral.sh/ruff/rules/assert-with-print-message/) (`RUF030`) - [`unnecessary-default-type-args`](https://docs.astral.sh/ruff/rules/unnecessary-default-type-args/) (`UP043`) The following behaviors have been stabilized: - [`ambiguous-variable-name`](https://docs.astral.sh/ruff/rules/ambiguous-variable-name/) (`E741`): Violations in stub files are now ignored. Stub authors typically don't control variable names. - [`printf-string-formatting`](https://docs.astral.sh/ruff/rules/printf-string-formatting/) (`UP031`): Report all `printf`-like usages even if no autofix is available The following fixes have been stabilized: - [`zip-instead-of-pairwise`](https://docs.astral.sh/ruff/rules/zip-instead-of-pairwise/) (`RUF007`) ##### Preview features - \[`flake8-datetimez`] Exempt `min.time()` and `max.time()` (`DTZ901`) ([#14394](https://github.com/astral-sh/ruff/pull/14394)) - \[`flake8-pie`] Mark fix as unsafe if the following statement is a string literal (`PIE790`) ([#14393](https://github.com/astral-sh/ruff/pull/14393)) - \[`flake8-pyi`] New rule `redundant-none-literal` (`PYI061`) ([#14316](https://github.com/astral-sh/ruff/pull/14316)) - \[`flake8-pyi`] Add autofix for `redundant-numeric-union` (`PYI041`) ([#14273](https://github.com/astral-sh/ruff/pull/14273)) - \[`ruff`] New rule `map-int-version-parsing` (`RUF048`) ([#14373](https://github.com/astral-sh/ruff/pull/14373)) - \[`ruff`] New rule `redundant-bool-literal` (`RUF038`) ([#14319](https://github.com/astral-sh/ruff/pull/14319)) - \[`ruff`] New rule `unraw-re-pattern` (`RUF039`) ([#14446](https://github.com/astral-sh/ruff/pull/14446)) - \[`pycodestyle`] Exempt `pytest.importorskip()` calls (`E402`) ([#14474](https://github.com/astral-sh/ruff/pull/14474)) - \[`pylint`] Autofix suggests using sets when possible (`PLR1714`) ([#14372](https://github.com/astral-sh/ruff/pull/14372)) ##### Rule changes - [`invalid-pyproject-toml`](https://docs.astral.sh/ruff/rules/invalid-pyproject-toml/) (`RUF200`): Updated to reflect the provisionally accepted [PEP 639](https://peps.python.org/pep-0639/). - \[`flake8-pyi`] Avoid panic in unfixable case (`PYI041`) ([#14402](https://github.com/astral-sh/ruff/pull/14402)) - \[`flake8-type-checking`] Correctly handle quotes in subscript expression when generating an autofix ([#14371](https://github.com/astral-sh/ruff/pull/14371)) - \[`pylint`] Suggest correct autofix for `__contains__` (`PLC2801`) ([#14424](https://github.com/astral-sh/ruff/pull/14424)) ##### Configuration - Ruff now emits a warning instead of an error when a configuration [`ignore`](https://docs.astral.sh/ruff/settings/#lint_ignore)s a rule that has been removed ([#14435](https://github.com/astral-sh/ruff/pull/14435)) - Ruff now validates that `lint.flake8-import-conventions.aliases` only uses valid module names and aliases ([#14477](https://github.com/astral-sh/ruff/pull/14477)) ### [`v0.7.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#074) [Compare Source](https://github.com/astral-sh/ruff/compare/0.7.3...0.7.4) ##### Preview features - \[`flake8-datetimez`] Detect usages of `datetime.max`/`datetime.min` (`DTZ901`) ([#14288](https://github.com/astral-sh/ruff/pull/14288)) - \[`flake8-logging`] Implement `root-logger-calls` (`LOG015`) ([#14302](https://github.com/astral-sh/ruff/pull/14302)) - \[`flake8-no-pep420`] Detect empty implicit namespace packages (`INP001`) ([#14236](https://github.com/astral-sh/ruff/pull/14236)) - \[`flake8-pyi`] Add "replace with `Self`" fix (`PYI019`) ([#14238](https://github.com/astral-sh/ruff/pull/14238)) - \[`perflint`] Implement quick-fix for `manual-list-comprehension` (`PERF401`) ([#13919](https://github.com/astral-sh/ruff/pull/13919)) - \[`pylint`] Implement `shallow-copy-environ` (`W1507`) ([#14241](https://github.com/astral-sh/ruff/pull/14241)) - \[`ruff`] Implement `none-not-at-end-of-union` (`RUF036`) ([#14314](https://github.com/astral-sh/ruff/pull/14314)) - \[`ruff`] Implementation `unsafe-markup-call` from `flake8-markupsafe` plugin (`RUF035`) ([#14224](https://github.com/astral-sh/ruff/pull/14224)) - \[`ruff`] Report problems for `attrs` dataclasses (`RUF008`, `RUF009`) ([#14327](https://github.com/astral-sh/ruff/pull/14327)) ##### Rule changes - \[`flake8-boolean-trap`] Exclude dunder methods that define operators (`FBT001`) ([#14203](https://github.com/astral-sh/ruff/pull/14203)) - \[`flake8-pyi`] Add "replace with `Self`" fix (`PYI034`) ([#14217](https://github.com/astral-sh/ruff/pull/14217)) - \[`flake8-pyi`] Always autofix `duplicate-union-members` (`PYI016`) ([#14270](https://github.com/astral-sh/ruff/pull/14270)) - \[`flake8-pyi`] Improve autofix for nested and mixed type unions for `unnecessary-type-union` (`PYI055`) ([#14272](https://github.com/astral-sh/ruff/pull/14272)) - \[`flake8-pyi`] Mark fix as unsafe when type annotation contains comments for `duplicate-literal-member` (`PYI062`) ([#14268](https://github.com/astral-sh/ruff/pull/14268)) ##### Server - Use the current working directory to resolve settings from `ruff.configuration` ([#14352](https://github.com/astral-sh/ruff/pull/14352)) ##### Bug fixes - Avoid conflicts between `PLC014` (`useless-import-alias`) and `I002` (`missing-required-import`) by considering `lint.isort.required-imports` for `PLC014` ([#14287](https://github.com/astral-sh/ruff/pull/14287)) - \[`flake8-type-checking`] Skip quoting annotation if it becomes invalid syntax (`TCH001`) - \[`flake8-pyi`] Avoid using `typing.Self` in stub files pre-Python 3.11 (`PYI034`) ([#14230](https://github.com/astral-sh/ruff/pull/14230)) - \[`flake8-pytest-style`] Flag `pytest.raises` call with keyword argument `expected_exception` (`PT011`) ([#14298](https://github.com/astral-sh/ruff/pull/14298)) - \[`flake8-simplify`] Infer "unknown" truthiness for literal iterables whose items are all unpacks (`SIM222`) ([#14263](https://github.com/astral-sh/ruff/pull/14263)) - \[`flake8-type-checking`] Fix false positives for `typing.Annotated` (`TCH001`) ([#14311](https://github.com/astral-sh/ruff/pull/14311)) - \[`pylint`] Allow `await` at the top-level scope of a notebook (`PLE1142`) ([#14225](https://github.com/astral-sh/ruff/pull/14225)) - \[`pylint`] Fix miscellaneous issues in `await-outside-async` detection (`PLE1142`) ([#14218](https://github.com/astral-sh/ruff/pull/14218)) - \[`pyupgrade`] Avoid applying PEP 646 rewrites in invalid contexts (`UP044`) ([#14234](https://github.com/astral-sh/ruff/pull/14234)) - \[`pyupgrade`] Detect permutations in redundant open modes (`UP015`) ([#14255](https://github.com/astral-sh/ruff/pull/14255)) - \[`refurb`] Avoid triggering `hardcoded-string-charset` for reordered sets (`FURB156`) ([#14233](https://github.com/astral-sh/ruff/pull/14233)) - \[`refurb`] Further special cases added to `verbose-decimal-constructor` (`FURB157`) ([#14216](https://github.com/astral-sh/ruff/pull/14216)) - \[`refurb`] Use `UserString` instead of non-existent `UserStr` (`FURB189`) ([#14209](https://github.com/astral-sh/ruff/pull/14209)) - \[`ruff`] Avoid treating lowercase letters as `# noqa` codes (`RUF100`) ([#14229](https://github.com/astral-sh/ruff/pull/14229)) - \[`ruff`] Do not report when `Optional` has no type arguments (`RUF013`) ([#14181](https://github.com/astral-sh/ruff/pull/14181)) ##### Documentation - Add "Notebook behavior" section for `F704`, `PLE1142` ([#14266](https://github.com/astral-sh/ruff/pull/14266)) - Document comment policy around fix safety ([#14300](https://github.com/astral-sh/ruff/pull/14300)) ### [`v0.7.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#073) [Compare Source](https://github.com/astral-sh/ruff/compare/0.7.2...0.7.3) ##### Preview features - Formatter: Disallow single-line implicit concatenated strings ([#13928](https://github.com/astral-sh/ruff/pull/13928)) - \[`flake8-pyi`] Include all Python file types for `PYI006` and `PYI066` ([#14059](https://github.com/astral-sh/ruff/pull/14059)) - \[`flake8-simplify`] Implement `split-of-static-string` (`SIM905`) ([#14008](https://github.com/astral-sh/ruff/pull/14008)) - \[`refurb`] Implement `subclass-builtin` (`FURB189`) ([#14105](https://github.com/astral-sh/ruff/pull/14105)) - \[`ruff`] Improve diagnostic messages and docs (`RUF031`, `RUF032`, `RUF034`) ([#14068](https://github.com/astral-sh/ruff/pull/14068)) ##### Rule changes - Detect items that hash to same value in duplicate sets (`B033`, `PLC0208`) ([#14064](https://github.com/astral-sh/ruff/pull/14064)) - \[`eradicate`] Better detection of IntelliJ language injection comments (`ERA001`) ([#14094](https://github.com/astral-sh/ruff/pull/14094)) - \[`flake8-pyi`] Add autofix for `docstring-in-stub` (`PYI021`) ([#14150](https://github.com/astral-sh/ruff/pull/14150)) - \[`flake8-pyi`] Update `duplicate-literal-member` (`PYI062`) to alawys provide an autofix ([#14188](https://github.com/astral-sh/ruff/pull/14188)) - \[`pyflakes`] Detect items that hash to same value in duplicate dictionaries (`F601`) ([#14065](https://github.com/astral-sh/ruff/pull/14065)) - \[`ruff`] Fix false positive for decorators (`RUF028`) ([#14061](https://github.com/astral-sh/ruff/pull/14061)) ##### Bug fixes - Avoid parsing joint rule codes as distinct codes in `# noqa` ([#12809](https://github.com/astral-sh/ruff/pull/12809)) - \[`eradicate`] ignore `# language=` in commented-out-code rule (ERA001) ([#14069](https://github.com/astral-sh/ruff/pull/14069)) - \[`flake8-bugbear`] - do not run `mutable-argument-default` on stubs (`B006`) ([#14058](https://github.com/astral-sh/ruff/pull/14058)) - \[`flake8-builtins`] Skip lambda expressions in `builtin-argument-shadowing (A002)` ([#14144](https://github.com/astral-sh/ruff/pull/14144)) - \[`flake8-comprehension`] Also remove trailing comma while fixing `C409` and `C419` ([#14097](https://github.com/astral-sh/ruff/pull/14097)) - \[`flake8-simplify`] Allow `open` without context manager in `return` statement (`SIM115`) ([#14066](https://github.com/astral-sh/ruff/pull/14066)) - \[`pylint`] Respect hash-equivalent literals in `iteration-over-set` (`PLC0208`) ([#14063](https://github.com/astral-sh/ruff/pull/14063)) - \[`pylint`] Update known dunder methods for Python 3.13 (`PLW3201`) ([#14146](https://github.com/astral-sh/ruff/pull/14146)) - \[`pyupgrade`] - ignore kwarg unpacking for `UP044` ([#14053](https://github.com/astral-sh/ruff/pull/14053)) - \[`refurb`] Parse more exotic decimal strings in `verbose-decimal-constructor` (`FURB157`) ([#14098](https://github.com/astral-sh/ruff/pull/14098)) ##### Documentation - Add links to missing related options within rule documentations ([#13971](https://github.com/astral-sh/ruff/pull/13971)) - Add rule short code to mkdocs tags to allow searching via rule codes ([#14040](https://github.com/astral-sh/ruff/pull/14040)) ### [`v0.7.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#072) [Compare Source](https://github.com/astral-sh/ruff/compare/0.7.1...0.7.2) ##### Preview features - Fix formatting of single with-item with trailing comment ([#14005](https://github.com/astral-sh/ruff/pull/14005)) - \[`pyupgrade`] Add PEP 646 `Unpack` conversion to `*` with fix (`UP044`) ([#13988](https://github.com/astral-sh/ruff/pull/13988)) ##### Rule changes - Regenerate `known_stdlibs.rs` with stdlibs 2024.10.25 ([#13963](https://github.com/astral-sh/ruff/pull/13963)) - \[`flake8-no-pep420`] Skip namespace package enforcement for PEP 723 scripts (`INP001`) ([#13974](https://github.com/astral-sh/ruff/pull/13974)) ##### Server - Fix server panic when undoing an edit ([#14010](https://github.com/astral-sh/ruff/pull/14010)) ##### Bug fixes - Fix issues in discovering ruff in pip build environments ([#13881](https://github.com/astral-sh/ruff/pull/13881)) - \[`flake8-type-checking`] Fix false positive for `singledispatchmethod` (`TCH003`) ([#13941](https://github.com/astral-sh/ruff/pull/13941)) - \[`flake8-type-checking`] Treat return type of `singledispatch` as runtime-required (`TCH003`) ([#13957](https://github.com/astral-sh/ruff/pull/13957)) ##### Documentation - \[`flake8-simplify`] Include caveats of enabling `if-else-block-instead-of-if-exp` (`SIM108`) ([#14019](https://github.com/astral-sh/ruff/pull/14019)) ### [`v0.7.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#071) [Compare Source](https://github.com/astral-sh/ruff/compare/0.7.0...0.7.1) ##### Preview features - Fix `E221` and `E222` to flag missing or extra whitespace around `==` operator ([#13890](https://github.com/astral-sh/ruff/pull/13890)) - Formatter: Alternate quotes for strings inside f-strings in preview ([#13860](https://github.com/astral-sh/ruff/pull/13860)) - Formatter: Join implicit concatenated strings when they fit on a line ([#13663](https://github.com/astral-sh/ruff/pull/13663)) - \[`pylint`] Restrict `iteration-over-set` to only work on sets of literals (`PLC0208`) ([#13731](https://github.com/astral-sh/ruff/pull/13731)) ##### Rule changes - \[`flake8-type-checking`] Support auto-quoting when annotations contain quotes ([#11811](https://github.com/astral-sh/ruff/pull/11811)) ##### Server - Avoid indexing the workspace for single-file mode ([#13770](https://github.com/astral-sh/ruff/pull/13770)) ##### Bug fixes - Make `ARG002` compatible with `EM101` when raising `NotImplementedError` ([#13714](https://github.com/astral-sh/ruff/pull/13714)) ##### Other changes - Introduce more Docker tags for Ruff (similar to uv) ([#13274](https://github.com/astral-sh/ruff/pull/13274)) ### [`v0.7.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#070) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.9...0.7.0) Check out the [blog post](https://astral.sh/blog/ruff-v0.7.0) for a migration guide and overview of the changes! ##### Breaking changes - The pytest rules `PT001` and `PT023` now default to omitting the decorator parentheses when there are no arguments ([#12838](https://github.com/astral-sh/ruff/pull/12838), [#13292](https://github.com/astral-sh/ruff/pull/13292)). This was a change that we attempted to make in Ruff v0.6.0, but only partially made due to an error on our part. See the [blog post](https://astral.sh/blog/ruff-v0.7.0) for more details. - The `useless-try-except` rule (in our `tryceratops` category) has been recoded from `TRY302` to `TRY203` ([#13502](https://github.com/astral-sh/ruff/pull/13502)). This ensures Ruff's code is consistent with the same rule in the [`tryceratops`](https://github.com/guilatrova/tryceratops) linter. - The `lint.allow-unused-imports` setting has been removed ([#13677](https://github.com/astral-sh/ruff/pull/13677)). Use [`lint.pyflakes.allow-unused-imports`](https://docs.astral.sh/ruff/settings/#lint_pyflakes_allowed-unused-imports) instead. ##### Formatter preview style - Normalize implicit concatenated f-string quotes per part ([#13539](https://github.com/astral-sh/ruff/pull/13539)) ##### Preview linter features - \[`refurb`] implement `hardcoded-string-charset` (FURB156) ([#13530](https://github.com/astral-sh/ruff/pull/13530)) - \[`refurb`] Count codepoints not bytes for `slice-to-remove-prefix-or-suffix (FURB188)` ([#13631](https://github.com/astral-sh/ruff/pull/13631)) ##### Rule changes - \[`pylint`] Mark `PLE1141` fix as unsafe ([#13629](https://github.com/astral-sh/ruff/pull/13629)) - \[`flake8-async`] Consider async generators to be "checkpoints" for `cancel-scope-no-checkpoint` (`ASYNC100`) ([#13639](https://github.com/astral-sh/ruff/pull/13639)) - \[`flake8-bugbear`] Do not suggest setting parameter `strict=` to `False` in `B905` diagnostic message ([#13656](https://github.com/astral-sh/ruff/pull/13656)) - \[`flake8-todos`] Only flag the word "TODO", not words starting with "todo" (`TD006`) ([#13640](https://github.com/astral-sh/ruff/pull/13640)) - \[`pycodestyle`] Fix whitespace-related false positives and false negatives inside type-parameter lists (`E231`, `E251`) ([#13704](https://github.com/astral-sh/ruff/pull/13704)) - \[`flake8-simplify`] Stabilize preview behavior for `SIM115` so that the rule can detect files being opened from a wider range of standard-library functions ([#12959](https://github.com/astral-sh/ruff/pull/12959)). ##### CLI - Add explanation of fixable in `--statistics` command ([#13774](https://github.com/astral-sh/ruff/pull/13774)) ##### Bug fixes - \[`pyflakes`] Allow `ipytest` cell magic (`F401`) ([#13745](https://github.com/astral-sh/ruff/pull/13745)) - \[`flake8-use-pathlib`] Fix `PTH123` false positive when `open` is passed a file descriptor ([#13616](https://github.com/astral-sh/ruff/pull/13616)) - \[`flake8-bandit`] Detect patterns from multi line SQL statements (`S608`) ([#13574](https://github.com/astral-sh/ruff/pull/13574)) - \[`flake8-pyi`] - Fix dropped expressions in `PYI030` autofix ([#13727](https://github.com/astral-sh/ruff/pull/13727)) ### [`v0.6.9`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#069) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.8...0.6.9) ##### Preview features - Fix codeblock dynamic line length calculation for indented docstring examples ([#13523](https://github.com/astral-sh/ruff/pull/13523)) - \[`refurb`] Mark `FURB118` fix as unsafe ([#13613](https://github.com/astral-sh/ruff/pull/13613)) ##### Rule changes - \[`pydocstyle`] Don't raise `D208` when last line is non-empty ([#13372](https://github.com/astral-sh/ruff/pull/13372)) - \[`pylint`] Preserve trivia (i.e. comments) in `PLR5501` autofix ([#13573](https://github.com/astral-sh/ruff/pull/13573)) ##### Configuration - \[`pyflakes`] Add `allow-unused-imports` setting for `unused-import` rule (`F401`) ([#13601](https://github.com/astral-sh/ruff/pull/13601)) ##### Bug fixes - Support ruff discovery in pip build environments ([#13591](https://github.com/astral-sh/ruff/pull/13591)) - \[`flake8-bugbear`] Avoid short circuiting `B017` for multiple context managers ([#13609](https://github.com/astral-sh/ruff/pull/13609)) - \[`pylint`] Do not offer an invalid fix for `PLR1716` when the comparisons contain parenthesis ([#13527](https://github.com/astral-sh/ruff/pull/13527)) - \[`pyupgrade`] Fix `UP043` to apply to `collections.abc.Generator` and `collections.abc.AsyncGenerator` ([#13611](https://github.com/astral-sh/ruff/pull/13611)) - \[`refurb`] Fix handling of slices in tuples for `FURB118`, e.g., `x[:, 1]` ([#13518](https://github.com/astral-sh/ruff/pull/13518)) ##### Documentation - Update GitHub Action link to `astral-sh/ruff-action` ([#13551](https://github.com/astral-sh/ruff/pull/13551)) ### [`v0.6.8`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#068) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.7...0.6.8) ##### Preview features - Remove unnecessary parentheses around `match case` clauses ([#13510](https://github.com/astral-sh/ruff/pull/13510)) - Parenthesize overlong `if` guards in `match..case` clauses ([#13513](https://github.com/astral-sh/ruff/pull/13513)) - Detect basic wildcard imports in `ruff analyze graph` ([#13486](https://github.com/astral-sh/ruff/pull/13486)) - \[`pylint`] Implement `boolean-chained-comparison` (`R1716`) ([#13435](https://github.com/astral-sh/ruff/pull/13435)) ##### Rule changes - \[`lake8-simplify`] Detect `SIM910` when using variadic keyword arguments, i.e., `**kwargs` ([#13503](https://github.com/astral-sh/ruff/pull/13503)) - \[`pyupgrade`] Avoid false negatives with non-reference shadowed bindings of loop variables (`UP028`) ([#13504](https://github.com/astral-sh/ruff/pull/13504)) ##### Bug fixes - Detect tuples bound to variadic positional arguments i.e. `*args` ([#13512](https://github.com/astral-sh/ruff/pull/13512)) - Exit gracefully on broken pipe errors ([#13485](https://github.com/astral-sh/ruff/pull/13485)) - Avoid panic when analyze graph hits broken pipe ([#13484](https://github.com/astral-sh/ruff/pull/13484)) ##### Performance - Reuse `BTreeSets` in module resolver ([#13440](https://github.com/astral-sh/ruff/pull/13440)) - Skip traversal for non-compound statements ([#13441](https://github.com/astral-sh/ruff/pull/13441)) ### [`v0.6.7`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#067) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.6...0.6.7) ##### Preview features - Add Python version support to ruff analyze CLI ([#13426](https://github.com/astral-sh/ruff/pull/13426)) - Add `exclude` support to `ruff analyze` ([#13425](https://github.com/astral-sh/ruff/pull/13425)) - Fix parentheses around return type annotations ([#13381](https://github.com/astral-sh/ruff/pull/13381)) ##### Rule changes - \[`pycodestyle`] Fix: Don't autofix if the first line ends in a question mark? (D400) ([#13399](https://github.com/astral-sh/ruff/pull/13399)) ##### Bug fixes - Respect `lint.exclude` in ruff check `--add-noqa` ([#13427](https://github.com/astral-sh/ruff/pull/13427)) ##### Performance - Avoid tracking module resolver files in Salsa ([#13437](https://github.com/astral-sh/ruff/pull/13437)) - Use `forget` for module resolver database ([#13438](https://github.com/astral-sh/ruff/pull/13438)) ### [`v0.6.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#066) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.5...0.6.6) ##### Preview features - \[`refurb`] Skip `slice-to-remove-prefix-or-suffix` (`FURB188`) when non-trivial slice steps are present ([#13405](https://github.com/astral-sh/ruff/pull/13405)) - Add a subcommand to generate dependency graphs ([#13402](https://github.com/astral-sh/ruff/pull/13402)) ##### Formatter - Fix placement of inline parameter comments ([#13379](https://github.com/astral-sh/ruff/pull/13379)) ##### Server - Fix off-by one error in the `LineIndex::offset` calculation ([#13407](https://github.com/astral-sh/ruff/pull/13407)) ##### Bug fixes - \[`fastapi`] Respect FastAPI aliases in route definitions ([#13394](https://github.com/astral-sh/ruff/pull/13394)) - \[`pydocstyle`] Respect word boundaries when detecting function signature in docs ([#13388](https://github.com/astral-sh/ruff/pull/13388)) ##### Documentation - Add backlinks to rule overview linter ([#13368](https://github.com/astral-sh/ruff/pull/13368)) - Fix documentation for editor vim plugin ALE ([#13348](https://github.com/astral-sh/ruff/pull/13348)) - Fix rendering of `FURB188` docs ([#13406](https://github.com/astral-sh/ruff/pull/13406)) ### [`v0.6.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#065) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.4...0.6.5) ##### Preview features - \[`pydoclint`] Ignore `DOC201` when function name is "**new**" ([#13300](https://github.com/astral-sh/ruff/pull/13300)) - \[`refurb`] Implement `slice-to-remove-prefix-or-suffix` (`FURB188`) ([#13256](https://github.com/astral-sh/ruff/pull/13256)) ##### Rule changes - \[`eradicate`] Ignore script-comments with multiple end-tags (`ERA001`) ([#13283](https://github.com/astral-sh/ruff/pull/13283)) - \[`pyflakes`] Improve error message for `UndefinedName` when a builtin was added in a newer version than specified in Ruff config (`F821`) ([#13293](https://github.com/astral-sh/ruff/pull/13293)) ##### Server - Add support for extensionless Python files for server ([#13326](https://github.com/astral-sh/ruff/pull/13326)) - Fix configuration inheritance for configurations specified in the LSP settings ([#13285](https://github.com/astral-sh/ruff/pull/13285)) ##### Bug fixes - \[`ruff`] Handle unary operators in `decimal-from-float-literal` (`RUF032`) ([#13275](https://github.com/astral-sh/ruff/pull/13275)) ##### CLI - Only include rules with diagnostics in SARIF metadata ([#13268](https://github.com/astral-sh/ruff/pull/13268)) ##### Playground - Add "Copy as pyproject.toml/ruff.toml" and "Paste from TOML" ([#13328](https://github.com/astral-sh/ruff/pull/13328)) - Fix errors not shown for restored snippet on page load ([#13262](https://github.com/astral-sh/ruff/pull/13262)) ### [`v0.6.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#064) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.3...0.6.4) ##### Preview features - \[`flake8-builtins`] Use dynamic builtins list based on Python version ([#13172](https://github.com/astral-sh/ruff/pull/13172)) - \[`pydoclint`] Permit yielding `None` in `DOC402` and `DOC403` ([#13148](https://github.com/astral-sh/ruff/pull/13148)) - \[`pylint`] Update diagnostic message for `PLW3201` ([#13194](https://github.com/astral-sh/ruff/pull/13194)) - \[`ruff`] Implement `post-init-default` (`RUF033`) ([#13192](https://github.com/astral-sh/ruff/pull/13192)) - \[`ruff`] Implement useless if-else (`RUF034`) ([#13218](https://github.com/astral-sh/ruff/pull/13218)) ##### Rule changes - \[`flake8-pyi`] Respect `pep8_naming.classmethod-decorators` settings when determining if a method is a classmethod in `custom-type-var-return-type` (`PYI019`) ([#13162](https://github.com/astral-sh/ruff/pull/13162)) - \[`flake8-pyi`] Teach various rules that annotations might be stringized ([#12951](https://github.com/astral-sh/ruff/pull/12951)) - \[`pylint`] Avoid `no-self-use` for `attrs`-style validators ([#13166](https://github.com/astral-sh/ruff/pull/13166)) - \[`pylint`] Recurse into subscript subexpressions when searching for list/dict lookups (`PLR1733`, `PLR1736`) ([#13186](https://github.com/astral-sh/ruff/pull/13186)) - \[`pyupgrade`] Detect `aiofiles.open` calls in `UP015` ([#13173](https://github.com/astral-sh/ruff/pull/13173)) - \[`pyupgrade`] Mark `sys.version_info[0] < 3` and similar comparisons as outdated (`UP036`) ([#13175](https://github.com/astral-sh/ruff/pull/13175)) ##### CLI - Enrich messages of SARIF results ([#13180](https://github.com/astral-sh/ruff/pull/13180)) - Handle singular case for incompatible rules warning in `ruff format` output ([#13212](https://github.com/astral-sh/ruff/pull/13212)) ##### Bug fixes - \[`pydocstyle`] Improve heuristics for detecting Google-style docstrings ([#13142](https://github.com/astral-sh/ruff/pull/13142)) - \[`refurb`] Treat `sep` arguments with effects as unsafe removals (`FURB105`) ([#13165](https://github.com/astral-sh/ruff/pull/13165)) ### [`v0.6.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#063) [Compare Source](https://github.com/astral-sh/ruff/compare/0.6.2...0.6.3) ##### Preview features - \[`flake8-simplify`] Extend `open-file-with-context-handler` to work with `dbm.sqlite3` (`SIM115`) ([#13104](https://github.com/astral-sh/ruff/pull/13104)) - \[`pycodestyle`] Disable `E741` in stub files (`.pyi`) ([#13119](https://github.com/astral-sh/ruff/pull/13119)) - \[`pydoclint`] Avoid `DOC201` on explicit returns in functions that only return `None` ([#13064](https://github.com/astral-sh/ruff/pull/13064)) ##### Rule changes - \[`flake8-async`] Disable check for `asyncio` before Python 3.11 (`ASYNC109`) ([#13023](https://github.com/astral-sh/ruff/pull/13023)) ##### Bug fixes - \[`FastAPI`] Avoid introducing invalid syntax in fix for `fast-api-non-annotated-dependency` (`FAST002`) ([#13133](https://github.com/astral-sh/ruff/pull/13133)) - \[`flake8-implicit-str-concat`] Normalize octals before merging concatenated strings in `single-line-implicit-string-concatenation` (`ISC001`) ([#13118](https://github.com/astral-sh/ruff/pull/13118)) - \[`flake8-pytest-style`] Improve help message for `pytest-incorrect-mark-parentheses-style` (`PT023`) ([#13092](https://github.com/astral-sh/ruff/pull/13092)) - \[`pylint`] Avoid autofix for calls that aren't `min` or `max` as starred expression (`PLW3301`) ([#13089](https://github.com/astral-sh/ruff/pull/13089)) - \[`ruff`] Add `datetime.time`, `datetime.tzinfo`, and `datetime.timezone` as immutable function calls (`RUF009`) ([#13109](https://github.com/astral-sh/ruff/pull/13109)) - \[`ruff`] Extend comment deletion for `RUF100` to include trailing text from `noqa` directives while preserving any following comments on the same line, if any ([#13105](https://github.com/astral-sh/ruff/pull/13105)) - Fix dark theme on initial page load for the Ruff playground ([#13077](https://github.com/astral-sh/ruff/pull/13077)) ### [`v0.6.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#062) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12959)) - \[`ruff`] Avoid `unused-async` for functions with FastAPI route decorator (`RUF029`) ([#12938](https://github.com/astral-sh/ruff/pull/12938)) - \[`ruff`] Ignore `fstring-missing-syntax` (`RUF027`) for `fastAPI` paths ([#12939](https://github.com/astral-sh/ruff/pull/12939)) - \[`ruff`] Implement check for Decimal called with a float literal (RUF032) ([#12909](https://github.com/astral-sh/ruff/pull/12909)) ##### Rule changes - \[`flake8-bugbear`] Update diagnostic message when expression is at the end of function (`B015`) ([#12944](https://github.com/astral-sh/ruff/pull/12944)) - \[`flake8-pyi`] Skip type annotations in `string-or-bytes-too-long` (`PYI053`) ([#13002](https://github.com/astral-sh/ruff/pull/13002)) - \[`flake8-type-checking`] Always recognise relative imports as first-party ([#12994](https://github.com/astral-sh/ruff/pull/12994)) - \[`flake8-unused-arguments`] Ignore unused arguments on stub functions (`ARG001`) ([#12966](https://github.com/astral-sh/ruff/pull/12966)) - \[`pylint`] Ignore augmented assignment for `self-cls-assignment` (`PLW0642`) ([#12957](https://github.com/astral-sh/ruff/pull/12957)) ##### Server - Show full context in error log messages ([#13029](https://github.com/astral-sh/ruff/pull/13029)) ##### Bug fixes - \[`pep8-naming`] Don't flag `from` imports following conventional import names (`N817`) ([#12946](https://github.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://github.com/astral-sh/ruff/pull/12958)) ##### Documentation - Add `hyperfine` installation instructions; update `hyperfine` code samples ([#13034](https://github.com/astral-sh/ruff/pull/13034)) - Expand note to use Ruff with other language server in Kate ([#12806](https://github.com/astral-sh/ruff/pull/12806)) - Update example for `PT001` as per the new default behavior ([#13019](https://github.com/astral-sh/ruff/pull/13019)) - \[`perflint`] Improve docs for `try-except-in-loop` (`PERF203`) ([#12947](https://github.com/astral-sh/ruff/pull/12947)) - \[`pydocstyle`] Add reference to `lint.pydocstyle.ignore-decorators` setting to rule docs ([#12996](https://github.com/astral-sh/ruff/pull/12996)) ### [`v0.6.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#061) [Compare Source](https://github.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://github.com/astral-sh/ruff-pre-commit/pull/96). ##### Preview features - \[`fastapi`] Implement `fast-api-unused-path-parameter` (`FAST003`) ([#12638](https://github.com/astral-sh/ruff/pull/12638)) ##### Rule changes - \[`pylint`] Rename `too-many-positional` to `too-many-positional-arguments` (`R0917`) ([#12905](https://github.com/astral-sh/ruff/pull/12905)) ##### Server - Fix crash when applying "fix-all" code-action to notebook cells ([#12929](https://github.com/astral-sh/ruff/pull/12929)) ##### Other changes - \[`flake8-naming`]: Respect import conventions (`N817`) ([#12922](https://github.com/astral-sh/ruff/pull/12922)) ### [`v0.6.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#060) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12878)). - Detect imports in `src` layouts by default for `isort` rules ([#12848](https://github.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://github.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/) (`PLEE303`) - [`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://github.com/astral-sh/ruff/pull/12796)) - \[`pyupgrade`] Show violations without auto-fix (`UP031`) ([#11229](https://github.com/astral-sh/ruff/pull/11229)) ##### Rule changes - \[`flake8-import-conventions`] Add `xml.etree.ElementTree` to default conventions ([#12455](https://github.com/astral-sh/ruff/pull/12455)) - \[`flake8-pytest-style`] Add a space after comma in CSV output (`PT006`) ([#12853](https://github.com/astral-sh/ruff/pull/12853)) ##### Server - Show a message for incorrect settings ([#12781](https://github.com/astral-sh/ruff/pull/12781)) ##### Bug fixes - \[`flake8-async`] Do not lint yield in context manager (`ASYNC100`) ([#12896](https://github.com/astral-sh/ruff/pull/12896)) - \[`flake8-comprehensions`] Do not lint `async for` comprehensions (`C419`) ([#12895](https://github.com/astral-sh/ruff/pull/12895)) - \[`flake8-return`] Only add return `None` at end of a function (`RET503`) ([#11074](https://github.com/astral-sh/ruff/pull/11074)) - \[`flake8-type-checking`] Avoid treating `dataclasses.KW_ONLY` as typing-only (`TCH003`) ([#12863](https://github.com/astral-sh/ruff/pull/12863)) - \[`pep8-naming`] Treat `type(Protocol)` et al as metaclass base (`N805`) ([#12770](https://github.com/astral-sh/ruff/pull/12770)) - \[`pydoclint`] Don't enforce returns and yields in abstract methods (`DOC201`, `DOC202`) ([#12771](https://github.com/astral-sh/ruff/pull/12771)) - \[`ruff`] Skip tuples with slice expressions in (`RUF031`) ([#12768](https://github.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://github.com/astral-sh/ruff/pull/12762)) - \[`ruff`] Ignore template strings passed to logging and `builtins._()` calls (`RUF027`) ([#12889](https://github.com/astral-sh/ruff/pull/12889)) - \[`ruff`] Do not remove parens for tuples with starred expressions in Python <=3.10 (`RUF031`) ([#12784](https://github.com/astral-sh/ruff/pull/12784)) - Evaluate default parameter values for a function in that function's enclosing scope ([#12852](https://github.com/astral-sh/ruff/pull/12852)) ##### Other changes - Respect VS Code cell metadata when detecting the language of Jupyter Notebook cells ([#12864](https://github.com/astral-sh/ruff/pull/12864)) - Respect `kernelspec` notebook metadata when detecting the preferred language for a Jupyter Notebook ([#12875](https://github.com/astral-sh/ruff/pull/12875)) ### [`v0.5.7`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#057) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12657)) - \[`flake8-pyi`] Add autofix for `future-annotations-in-stub` (`PYI044`) ([#12676](https://github.com/astral-sh/ruff/pull/12676)) - \[`flake8-return`] Avoid syntax error when auto-fixing `RET505` with mixed indentation (space and tabs) ([#12740](https://github.com/astral-sh/ruff/pull/12740)) - \[`pydoclint`] Add `docstring-missing-yields` (`DOC402`) and `docstring-extraneous-yields` (`DOC403`) ([#12538](https://github.com/astral-sh/ruff/pull/12538)) - \[`pydoclint`] Avoid `DOC201` if docstring begins with "Return", "Returns", "Yield", or "Yields" ([#12675](https://github.com/astral-sh/ruff/pull/12675)) - \[`pydoclint`] Deduplicate collected exceptions after traversing function bodies (`DOC501`) ([#12642](https://github.com/astral-sh/ruff/pull/12642)) - \[`pydoclint`] Ignore `DOC` errors for stub functions ([#12651](https://github.com/astral-sh/ruff/pull/12651)) - \[`pydoclint`] Teach rules to understand reraised exceptions as being explicitly raised (`DOC501`, `DOC502`) ([#12639](https://github.com/astral-sh/ruff/pull/12639)) - \[`ruff`] Implement `incorrectly-parenthesized-tuple-in-subscript` (`RUF031`) ([#12480](https://github.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://github.com/astral-sh/ruff/pull/12692)) ##### Rule changes - \[`refurb`] Add autofix for `implicit-cwd` (`FURB177`) ([#12708](https://github.com/astral-sh/ruff/pull/12708)) - \[`ruff`] Add autofix for `zip-instead-of-pairwise` (`RUF007`) ([#12663](https://github.com/astral-sh/ruff/pull/12663)) - \[`tryceratops`] Add `BaseException` to `raise-vanilla-class` rule (`TRY002`) ([#12620](https://github.com/astral-sh/ruff/pull/12620)) ##### Server - Ignore non-file workspace URL; Ruff will display a warning notification in this case ([#12725](https://github.com/astral-sh/ruff/pull/12725)) ##### CLI - Fix cache invalidation for nested `pyproject.toml` files ([#12727](https://github.com/astral-sh/ruff/pull/12727)) ##### Bug fixes - \[`flake8-async`] Fix false positives with multiple `async with` items (`ASYNC100`) ([#12643](https://github.com/astral-sh/ruff/pull/12643)) - \[`flake8-bandit`] Avoid false-positives for list concatenations in SQL construction (`S608`) ([#12720](https://github.com/astral-sh/ruff/pull/12720)) - \[`flake8-bugbear`] Treat `return` as equivalent to `break` (`B909`) ([#12646](https://github.com/astral-sh/ruff/pull/12646)) - \[`flake8-comprehensions`] Set comprehensions not a violation for `sum` in `unnecessary-comprehension-in-call` (`C419`) ([#12691](https://github.com/astral-sh/ruff/pull/12691)) - \[`flake8-simplify`] Parenthesize conditions based on precedence when merging if arms (`SIM114`) ([#12737](https://github.com/astral-sh/ruff/pull/12737)) - \[`pydoclint`] Try both 'Raises' section styles when convention is unspecified (`DOC501`) ([#12649](https://github.com/astral-sh/ruff/pull/12649)) ### [`v0.5.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#056) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12621)) - \[`flake8-builtins`] Implement import, lambda, and module shadowing ([#12546](https://github.com/astral-sh/ruff/pull/12546)) - \[`pydoclint`] Add `docstring-missing-returns` (`DOC201`) and `docstring-extraneous-returns` (`DOC202`) ([#12485](https://github.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://github.com/astral-sh/ruff/pull/12563)) ##### Server - Make server panic hook more error resilient ([#12610](https://github.com/astral-sh/ruff/pull/12610)) - Use `$/logTrace` for server trace logs in Zed and VS Code ([#12564](https://github.com/astral-sh/ruff/pull/12564)) - Keep track of deleted cells for reorder change request ([#12575](https://github.com/astral-sh/ruff/pull/12575)) ##### Configuration - \[`flake8-implicit-str-concat`] Always allow explicit multi-line concatenations when implicit concatenations are banned ([#12532](https://github.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://github.com/astral-sh/ruff/pull/12605)) - \[`flake8-slots`] Avoid recommending `__slots__` for classes that inherit from more than `namedtuple` ([#12531](https://github.com/astral-sh/ruff/pull/12531)) - \[`isort`] Avoid marking required imports as unused ([#12537](https://github.com/astral-sh/ruff/pull/12537)) - \[`isort`] Preserve trailing inline comments on import-from statements ([#12498](https://github.com/astral-sh/ruff/pull/12498)) - \[`pycodestyle`] Add newlines before comments (`E305`) ([#12606](https://github.com/astral-sh/ruff/pull/12606)) - \[`pycodestyle`] Don't attach comments with mismatched indents ([#12604](https://github.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://github.com/astral-sh/ruff/pull/12569)) - \[`pylint`] Respect start index in `unnecessary-list-index-lookup` ([#12603](https://github.com/astral-sh/ruff/pull/12603)) - \[`pyupgrade`] Avoid recommending no-argument super in `slots=True` dataclasses ([#12530](https://github.com/astral-sh/ruff/pull/12530)) - \[`pyupgrade`] Use colon rather than dot formatting for integer-only types ([#12534](https://github.com/astral-sh/ruff/pull/12534)) - Fix NFKC normalization bug when removing unused imports ([#12571](https://github.com/astral-sh/ruff/pull/12571)) ##### Other changes - Consider more stdlib decorators to be property-like ([#12583](https://github.com/astral-sh/ruff/pull/12583)) - Improve handling of metaclasses in various linter rules ([#12579](https://github.com/astral-sh/ruff/pull/12579)) - Improve consistency between linter rules in determining whether a function is property ([#12581](https://github.com/astral-sh/ruff/pull/12581)) ### [`v0.5.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#055) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/11579)) - \[`pydoclint`] Implement `docstring-missing-exception` (`DOC501`) and `docstring-extraneous-exception` (`DOC502`) ([#11471](https://github.com/astral-sh/ruff/pull/11471)) ##### Rule changes - \[`numpy`] Fix NumPy 2.0 rule for `np.alltrue` and `np.sometrue` ([#12473](https://github.com/astral-sh/ruff/pull/12473)) - \[`numpy`] Ignore `NPY201` inside `except` blocks for compatibility with older numpy versions ([#12490](https://github.com/astral-sh/ruff/pull/12490)) - \[`pep8-naming`] Avoid applying `ignore-names` to `self` and `cls` function names (`N804`, `N805`) ([#12497](https://github.com/astral-sh/ruff/pull/12497)) ##### Formatter - Fix incorrect placement of leading function comment with type params ([#12447](https://github.com/astral-sh/ruff/pull/12447)) ##### Server - Do not bail code action resolution when a quick fix is requested ([#12462](https://github.com/astral-sh/ruff/pull/12462)) ##### Bug fixes - Fix `Ord` implementation of `cmp_fix` ([#12471](https://github.com/astral-sh/ruff/pull/12471)) - Raise syntax error for unparenthesized generator expression in multi-argument call ([#12445](https://github.com/astral-sh/ruff/pull/12445)) - \[`pydoclint`] Fix panic in `DOC501` reported in [#12428](https://github.com/astral-sh/ruff/pull/12428) ([#12435](https://github.com/astral-sh/ruff/pull/12435)) - \[`flake8-bugbear`] Allow singleton tuples with starred expressions in `B013` ([#12484](https://github.com/astral-sh/ruff/pull/12484)) ##### Documentation - Add Eglot setup guide for Emacs editor ([#12426](https://github.com/astral-sh/ruff/pull/12426)) - Add note about the breaking change in `nvim-lspconfig` ([#12507](https://github.com/astral-sh/ruff/pull/12507)) - Add note to include notebook files for native server ([#12449](https://github.com/astral-sh/ruff/pull/12449)) - Add setup docs for Zed editor ([#12501](https://github.com/astral-sh/ruff/pull/12501)) ### [`v0.5.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#054) [Compare Source](https://github.com/astral-sh/ruff/compare/0.5.3...0.5.4) ##### Rule changes - \[`ruff`] Rename `RUF007` to `zip-instead-of-pairwise` ([#12399](https://github.com/astral-sh/ruff/pull/12399)) ##### Bug fixes - \[`flake8-builtins`] Avoid shadowing diagnostics for `@override` methods ([#12415](https://github.com/astral-sh/ruff/pull/12415)) - \[`flake8-comprehensions`] Insert parentheses for multi-argument generators ([#12422](https://github.com/astral-sh/ruff/pull/12422)) - \[`pydocstyle`] Handle escaped docstrings within docstring (`D301`) ([#12192](https://github.com/astral-sh/ruff/pull/12192)) ##### Documentation - Fix GitHub link to Neovim setup ([#12410](https://github.com/astral-sh/ruff/pull/12410)) - Fix `output-format` default in settings reference ([#12409](https://github.com/astral-sh/ruff/pull/12409)) ### [`v0.5.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#053) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12294)) - \[`pyupgrade`] Implement `unnecessary-default-type-args` (`UP043`) ([#12371](https://github.com/astral-sh/ruff/pull/12371)) ##### Rule changes - \[`flake8-bugbear`] Detect enumerate iterations in `loop-iterator-mutation` (`B909`) ([#12366](https://github.com/astral-sh/ruff/pull/12366)) - \[`flake8-bugbear`] Remove `discard`, `remove`, and `pop` allowance for `loop-iterator-mutation` (`B909`) ([#12365](https://github.com/astral-sh/ruff/pull/12365)) - \[`pylint`] Allow `repeated-equality-comparison` for mixed operations (`PLR1714`) ([#12369](https://github.com/astral-sh/ruff/pull/12369)) - \[`pylint`] Ignore `self` and `cls` when counting arguments (`PLR0913`) ([#12367](https://github.com/astral-sh/ruff/pull/12367)) - \[`pylint`] Use UTF-8 as default encoding in `unspecified-encoding` fix (`PLW1514`) ([#12370](https://github.com/astral-sh/ruff/pull/12370)) ##### Server - Build settings index in parallel for the native server ([#12299](https://github.com/astral-sh/ruff/pull/12299)) - Use fallback settings when indexing the project ([#12362](https://github.com/astral-sh/ruff/pull/12362)) - Consider `--preview` flag for `server` subcommand for the linter and formatter ([#12208](https://github.com/astral-sh/ruff/pull/12208)) ##### Bug fixes - \[`flake8-comprehensions`] Allow additional arguments for `sum` and `max` comprehensions (`C419`) ([#12364](https://github.com/astral-sh/ruff/pull/12364)) - \[`pylint`] Avoid dropping extra boolean operations in `repeated-equality-comparison` (`PLR1714`) ([#12368](https://github.com/astral-sh/ruff/pull/12368)) - \[`pylint`] Consider expression before statement when determining binding kind (`PLR1704`) ([#12346](https://github.com/astral-sh/ruff/pull/12346)) ##### Documentation - Add docs for Ruff language server ([#12344](https://github.com/astral-sh/ruff/pull/12344)) - Migrate to standalone docs repo ([#12341](https://github.com/astral-sh/ruff/pull/12341)) - Update versioning policy for editor integration ([#12375](https://github.com/astral-sh/ruff/pull/12375)) ##### Other changes - Publish Wasm API to npm ([#12317](https://github.com/astral-sh/ruff/pull/12317)) ### [`v0.5.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#052) [Compare Source](https://github.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://github.com/astral-sh/ruff/pull/12282)) - \[`flake8-async`] Update `ASYNC100` to include `anyio` and `asyncio` ([#12221](https://github.com/astral-sh/ruff/pull/12221)) - \[`flake8-async`] Update `ASYNC109` to include `anyio` and `asyncio` ([#12236](https://github.com/astral-sh/ruff/pull/12236)) - \[`flake8-async`] Update `ASYNC110` to include `anyio` and `asyncio` ([#12261](https://github.com/astral-sh/ruff/pull/12261)) - \[`flake8-async`] Update `ASYNC115` to include `anyio` and `asyncio` ([#12262](https://github.com/astral-sh/ruff/pull/12262)) - \[`flake8-async`] Update `ASYNC116` to include `anyio` and `asyncio` ([#12266](https://github.com/astral-sh/ruff/pull/12266)) ##### Rule changes - \[`flake8-return`] Exempt properties from explicit return rule (`RET501`) ([#12243](https://github.com/astral-sh/ruff/pull/12243)) - \[`numpy`] Add `np.NAN`-to-`np.nan` diagnostic ([#12292](https://github.com/astral-sh/ruff/pull/12292)) - \[`refurb`] Make `list-reverse-copy` an unsafe fix ([#12303](https://github.com/astral-sh/ruff/pull/12303)) ##### Server - Consider `include` and `extend-include` settings in native server ([#12252](https://github.com/astral-sh/ruff/pull/12252)) - Include nested configurations in settings reloading ([#12253](https://github.com/astral-sh/ruff/pull/12253)) ##### CLI - Omit code frames for fixes with empty ranges ([#12304](https://github.com/astral-sh/ruff/pull/12304)) - Warn about formatter incompatibility for `D203` ([#12238](https://github.com/astral-sh/ruff/pull/12238)) ##### Bug fixes - Make cache-write failures non-fatal on Windows ([#12302](https://github.com/astral-sh/ruff/pull/12302)) - Treat `not` operations as boolean tests ([#12301](https://github.com/astral-sh/ruff/pull/12301)) - \[`flake8-bandit`] Avoid `S310` violations for HTTP-safe f-strings ([#12305](https://github.com/astral-sh/ruff/pull/12305)) - \[`flake8-bandit`] Support explicit string concatenations in S310 HTTP detection ([#12315](https://github.com/astral-sh/ruff/pull/12315)) - \[`flake8-bandit`] fix S113 false positive for httpx without `timeout` argument ([#12213](https://github.com/astral-sh/ruff/pull/12213)) - \[`pycodestyle`] Remove "non-obvious" allowance for E721 ([#12300](https://github.com/astral-sh/ruff/pull/12300)) - \[`pyflakes`] Consider `with` blocks as single-item branches for redefinition analysis ([#12311](https://github.com/astral-sh/ruff/pull/12311)) - \[`refurb`] Restrict forwarding for `newline` argument in `open()` calls to Python versions >= 3.10 ([#12244](https://github.com/astral-sh/ruff/pull/12244)) ##### Documentation - Update help and documentation to reflect `--output-format full` default ([#12248](https://github.com/astral-sh/ruff/pull/12248)) ##### Performance - Use more threads when discovering Python files ([#12258](https://github.com/astral-sh/ruff/pull/12258)) ### [`v0.5.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#051) [Compare Source](https://github.com/astral-sh/ruff/compare/0.5.0...0.5.1) ##### Preview features - \[`flake8-bugbear`] Implement mutable-contextvar-default (B039) ([#12113](https://github.com/astral-sh/ruff/pull/12113)) - \[`pycodestyle`] Whitespace after decorator (`E204`) ([#12140](https://github.com/astral-sh/ruff/pull/12140)) - \[`pytest`] Reverse `PT001` and `PT0023` defaults ([#12106](https://github.com/astral-sh/ruff/pull/12106)) ##### Rule changes - Enable token-based rules on source with syntax errors ([#11950](https://github.com/astral-sh/ruff/pull/11950)) - \[`flake8-bandit`] Detect `httpx` for `S113` ([#12174](https://github.com/astral-sh/ruff/pull/12174)) - \[`numpy`] Update `NPY201` to include exception deprecations ([#12065](https://github.com/astral-sh/ruff/pull/12065)) - \[`pylint`] Generate autofix for `duplicate-bases` (`PLE0241`) ([#12105](https://github.com/astral-sh/ruff/pull/12105)) ##### Server - Avoid syntax error notification for source code actions ([#12148](https://github.com/astral-sh/ruff/pull/12148)) - Consider the content of the new cells during notebook sync ([#12203](https://github.com/astral-sh/ruff/pull/12203)) - Fix replacement edit range computation ([#12171](https://github.com/astral-sh/ruff/pull/12171)) ##### Bug fixes - Disable auto-fix when source has syntax errors ([#12134](https://github.com/astral-sh/ruff/pull/12134)) - Fix cache key collisions for paths with separators ([#12159](https://github.com/astral-sh/ruff/pull/12159)) - Make `requires-python` inference robust to `==` ([#12091](https://github.com/astral-sh/ruff/pull/12091)) - Use char-wise width instead of `str`-width ([#12135](https://github.com/astral-sh/ruff/pull/12135)) - \[`pycodestyle`] Avoid `E275` if keyword followed by comma ([#12136](https://github.com/astral-sh/ruff/pull/12136)) - \[`pycodestyle`] Avoid `E275` if keyword is followed by a semicolon ([#12095](https://github.com/astral-sh/ruff/pull/12095)) - \[`pylint`] Skip [dummy variables](https://docs.astral.sh/ruff/settings/#lint_dummy-variable-rgx) for `PLR1704` ([#12190](https://github.com/astral-sh/ruff/pull/12190)) ##### Performance - Remove allocation in `parse_identifier` ([#12103](https://github.com/astral-sh/ruff/pull/12103)) - Use `CompactString` for `Identifier` AST node ([#12101](https://github.com/astral-sh/ruff/pull/12101)) ### [`v0.5.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#050) [Compare Source](https://github.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. - The diagnostic ranges for some `flake8-bandit` rules were modified ([#10667](https://github.com/astral-sh/ruff/pull/10667)). ##### 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/) (`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 <path>`; use `ruff check <path>` - `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://github.com/astral-sh/ruff/pull/11981)) ##### CLI - Use rule name rather than message in `--statistics` ([#11697](https://github.com/astral-sh/ruff/pull/11697)) - Use the output format `full` by default ([#12010](https://github.com/astral-sh/ruff/pull/12010)) - Don't log syntax errors to the console ([#11902](https://github.com/astral-sh/ruff/pull/11902)) ##### Rule changes - \[`ruff`] Fix false positives if `gettext` is imported using an alias (`RUF027`) ([#12025](https://github.com/astral-sh/ruff/pull/12025)) - \[`numpy`] Update `trapz` and `in1d` deprecation (`NPY201`) ([#11948](https://github.com/astral-sh/ruff/pull/11948)) - \[`flake8-bandit`] Modify diagnostic ranges for shell-related rules ([#10667](https://github.com/astral-sh/ruff/pull/10667)) ##### Server - Closing an untitled, unsaved notebook document no longer throws an error ([#11942](https://github.com/astral-sh/ruff/pull/11942)) - Support the usage of tildes and environment variables in `logFile` ([#11945](https://github.com/astral-sh/ruff/pull/11945)) - Add option to configure whether to show syntax errors ([#12059](https://github.com/astral-sh/ruff/pull/12059)) ##### Bug fixes - \[`pycodestyle`] Avoid `E203` for f-string debug expression ([#12024](https://github.com/astral-sh/ruff/pull/12024)) - \[`pep8-naming`] Match import-name ignores against both name and alias (`N812`, `N817`) ([#12033](https://github.com/astral-sh/ruff/pull/12033)) - \[`pyflakes`] Detect assignments that shadow definitions (`F811`) ([#11961](https://github.com/astral-sh/ruff/pull/11961)) ##### Parser - Emit a syntax error for an empty type parameter list ([#12030](https://github.com/astral-sh/ruff/pull/12030)) - Avoid consuming the newline for unterminated strings ([#12067](https://github.com/astral-sh/ruff/pull/12067)) - Do not include the newline in the unterminated string range ([#12017](https://github.com/astral-sh/ruff/pull/12017)) - Use the correct range to highlight line continuation errors ([#12016](https://github.com/astral-sh/ruff/pull/12016)) - Consider 2-character EOL before line continuations ([#12035](https://github.com/astral-sh/ruff/pull/12035)) - Consider line continuation character for re-lexing ([#12008](https://github.com/astral-sh/ruff/pull/12008)) ##### Other changes - Upgrade the Unicode table used for measuring the line-length ([#11194](https://github.com/astral-sh/ruff/pull/11194)) - Remove the deprecation error message for the nursery selector ([#10172](https://github.com/astral-sh/ruff/pull/10172)) ### [`v0.4.10`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0410) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.9...v0.4.10) ##### Parser - Implement re-lexing logic for better error recovery ([#11845](https://github.com/astral-sh/ruff/pull/11845)) ##### Rule changes - \[`flake8-copyright`] Update `CPY001` to check the first 4096 bytes instead of 1024 ([#11927](https://github.com/astral-sh/ruff/pull/11927)) - \[`pycodestyle`] Update `E999` to show all syntax errors instead of just the first one ([#11900](https://github.com/astral-sh/ruff/pull/11900)) ##### Server - Add tracing setup guide to Helix documentation ([#11883](https://github.com/astral-sh/ruff/pull/11883)) - Add tracing setup guide to Neovim documentation ([#11884](https://github.com/astral-sh/ruff/pull/11884)) - Defer notebook cell deletion to avoid an error message ([#11864](https://github.com/astral-sh/ruff/pull/11864)) ##### Security - Guard against malicious ecosystem comment artifacts ([#11879](https://github.com/astral-sh/ruff/pull/11879)) ### [`v0.4.9`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#049) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.8...v0.4.9) ##### Preview features - \[`pylint`] Implement `consider-dict-items` (`C0206`) ([#11688](https://github.com/astral-sh/ruff/pull/11688)) - \[`refurb`] Implement `repeated-global` (`FURB154`) ([#11187](https://github.com/astral-sh/ruff/pull/11187)) ##### Rule changes - \[`pycodestyle`] Adapt fix for `E203` to work identical to `ruff format` ([#10999](https://github.com/astral-sh/ruff/pull/10999)) ##### Formatter - Fix formatter instability for lines only consisting of zero-width characters ([#11748](https://github.com/astral-sh/ruff/pull/11748)) ##### Server - Add supported commands in server capabilities ([#11850](https://github.com/astral-sh/ruff/pull/11850)) - Use real file path when available in `ruff server` ([#11800](https://github.com/astral-sh/ruff/pull/11800)) - Improve error message when a command is run on an unavailable document ([#11823](https://github.com/astral-sh/ruff/pull/11823)) - Introduce the `ruff.printDebugInformation` command ([#11831](https://github.com/astral-sh/ruff/pull/11831)) - Tracing system now respects log level and trace level, with options to log to a file ([#11747](https://github.com/astral-sh/ruff/pull/11747)) ##### CLI - Handle non-printable characters in diff view ([#11687](https://github.com/astral-sh/ruff/pull/11687)) ##### Bug fixes - \[`refurb`] Avoid suggesting starmap when arguments are used outside call (`FURB140`) ([#11830](https://github.com/astral-sh/ruff/pull/11830)) - \[`flake8-bugbear`] Avoid panic in `B909` when checking large loop blocks ([#11772](https://github.com/astral-sh/ruff/pull/11772)) - \[`refurb`] Fix misbehavior of `operator.itemgetter` when getter param is a tuple (`FURB118`) ([#11774](https://github.com/astral-sh/ruff/pull/11774)) ### [`v0.4.8`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#048) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.7...v0.4.8) ##### Performance - Linter performance has been improved by around 10% on some microbenchmarks by refactoring the lexer and parser to maintain synchronicity between them ([#11457](https://github.com/astral-sh/ruff/pull/11457)) ##### Preview features - \[`flake8-bugbear`] Implement `return-in-generator` (`B901`) ([#11644](https://github.com/astral-sh/ruff/pull/11644)) - \[`flake8-pyi`] Implement `pep484-style-positional-only-parameter` (`PYI063`) ([#11699](https://github.com/astral-sh/ruff/pull/11699)) - \[`pygrep_hooks`] Check blanket ignores via file-level pragmas (`PGH004`) ([#11540](https://github.com/astral-sh/ruff/pull/11540)) ##### Rule changes - \[`pyupgrade`] Update `UP035` for Python 3.13 and the latest version of `typing_extensions` ([#11693](https://github.com/astral-sh/ruff/pull/11693)) - \[`numpy`] Update `NPY001` rule for NumPy 2.0 ([#11735](https://github.com/astral-sh/ruff/pull/11735)) ##### Server - Formatting a document with syntax problems no longer spams a visible error popup ([#11745](https://github.com/astral-sh/ruff/pull/11745)) ##### CLI - Add RDJson support for `--output-format` flag ([#11682](https://github.com/astral-sh/ruff/pull/11682)) ##### Bug fixes - \[`pyupgrade`] Write empty string in lieu of panic when fixing `UP032` ([#11696](https://github.com/astral-sh/ruff/pull/11696)) - \[`flake8-simplify`] Simplify double negatives in `SIM103` ([#11684](https://github.com/astral-sh/ruff/pull/11684)) - Ensure the expression generator adds a newline before `type` statements ([#11720](https://github.com/astral-sh/ruff/pull/11720)) - Respect per-file ignores for blanket and redirected noqa rules ([#11728](https://github.com/astral-sh/ruff/pull/11728)) ### [`v0.4.7`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#047) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.6...v0.4.7) ##### Preview features - \[`flake8-pyi`] Implement `PYI064` ([#11325](https://github.com/astral-sh/ruff/pull/11325)) - \[`flake8-pyi`] Implement `PYI066` ([#11541](https://github.com/astral-sh/ruff/pull/11541)) - \[`flake8-pyi`] Implement `PYI057` ([#11486](https://github.com/astral-sh/ruff/pull/11486)) - \[`pyflakes`] Enable `F822` in `__init__.py` files by default ([#11370](https://github.com/astral-sh/ruff/pull/11370)) ##### Formatter - Fix incorrect placement of trailing stub function comments ([#11632](https://github.com/astral-sh/ruff/pull/11632)) ##### Server - Respect file exclusions in `ruff server` ([#11590](https://github.com/astral-sh/ruff/pull/11590)) - Add support for documents not exist on disk ([#11588](https://github.com/astral-sh/ruff/pull/11588)) - Add Vim and Kate setup guide for `ruff server` ([#11615](https://github.com/astral-sh/ruff/pull/11615)) ##### Bug fixes - Avoid removing newlines between docstring headers and rST blocks ([#11609](https://github.com/astral-sh/ruff/pull/11609)) - Infer indentation with imports when logical indent is absent ([#11608](https://github.com/astral-sh/ruff/pull/11608)) - Use char index rather than position for indent slice ([#11645](https://github.com/astral-sh/ruff/pull/11645)) - \[`flake8-comprehension`] Strip parentheses around generators in `C400` ([#11607](https://github.com/astral-sh/ruff/pull/11607)) - Mark `repeated-isinstance-calls` as unsafe on Python 3.10 and later ([#11622](https://github.com/astral-sh/ruff/pull/11622)) ### [`v0.4.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#046) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.5...v0.4.6) ##### Breaking changes - Use project-relative paths when calculating GitLab fingerprints ([#11532](https://github.com/astral-sh/ruff/pull/11532)) - Bump minimum supported Windows version to Windows 10 ([#11613](https://github.com/astral-sh/ruff/pull/11613)) ##### Preview features - \[`flake8-async`] Sleep with >24 hour interval should usually sleep forever (`ASYNC116`) ([#11498](https://github.com/astral-sh/ruff/pull/11498)) ##### Rule changes - \[`numpy`] Add missing functions to NumPy 2.0 migration rule ([#11528](https://github.com/astral-sh/ruff/pull/11528)) - \[`mccabe`] Consider irrefutable pattern similar to `if .. else` for `C901` ([#11565](https://github.com/astral-sh/ruff/pull/11565)) - Consider `match`-`case` statements for `C901`, `PLR0912`, and `PLR0915` ([#11521](https://github.com/astral-sh/ruff/pull/11521)) - Remove empty strings when converting to f-string (`UP032`) ([#11524](https://github.com/astral-sh/ruff/pull/11524)) - \[`flake8-bandit`] `request-without-timeout` should warn for `requests.request` ([#11548](https://github.com/astral-sh/ruff/pull/11548)) - \[`flake8-self`] Ignore sunder accesses in `flake8-self` rules ([#11546](https://github.com/astral-sh/ruff/pull/11546)) - \[`pyupgrade`] Lint for `TypeAliasType` usages (`UP040`) ([#11530](https://github.com/astral-sh/ruff/pull/11530)) ##### Server - Respect excludes in `ruff server` configuration discovery ([#11551](https://github.com/astral-sh/ruff/pull/11551)) - Use default settings if initialization options is empty or not provided ([#11566](https://github.com/astral-sh/ruff/pull/11566)) - `ruff server` correctly treats `.pyi` files as stub files ([#11535](https://github.com/astral-sh/ruff/pull/11535)) - `ruff server` searches for configuration in parent directories ([#11537](https://github.com/astral-sh/ruff/pull/11537)) - `ruff server`: An empty code action filter no longer returns notebook source actions ([#11526](https://github.com/astral-sh/ruff/pull/11526)) ##### Bug fixes - \[`flake8-logging-format`] Fix autofix title in `logging-warn` (`G010`) ([#11514](https://github.com/astral-sh/ruff/pull/11514)) - \[`refurb`] Avoid recommending `operator.itemgetter` with dependence on lambda arguments ([#11574](https://github.com/astral-sh/ruff/pull/11574)) - \[`flake8-simplify`] Avoid recommending context manager in `__enter__` implementations ([#11575](https://github.com/astral-sh/ruff/pull/11575)) - Create intermediary directories for `--output-file` ([#11550](https://github.com/astral-sh/ruff/pull/11550)) - Propagate reads on global variables ([#11584](https://github.com/astral-sh/ruff/pull/11584)) - Treat all `singledispatch` arguments as runtime-required ([#11523](https://github.com/astral-sh/ruff/pull/11523)) ### [`v0.4.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#045) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.4...v0.4.5) ##### Ruff's language server is now in Beta `v0.4.5` marks the official Beta release of `ruff server`, an integrated language server built into Ruff. `ruff server` supports the same feature set as `ruff-lsp`, powering linting, formatting, and code fixes in Ruff's editor integrations -- but with superior performance and no installation required. We'd love your feedback! You can enable `ruff server` in the [VS Code extension](https://github.com/astral-sh/ruff-vscode?tab=readme-ov-file#enabling-the-rust-based-language-server) today. To read more about this exciting milestone, check out our [blog post](https://astral.sh/blog/ruff-v0.4.5)! ##### Rule changes - \[`flake8-future-annotations`] Reword `future-rewritable-type-annotation` (`FA100`) message ([#11381](https://github.com/astral-sh/ruff/pull/11381)) - \[`isort`] Expanded the set of standard-library modules to include `_string`, etc. ([#11374](https://github.com/astral-sh/ruff/pull/11374)) - \[`pycodestyle`] Consider soft keywords for `E27` rules ([#11446](https://github.com/astral-sh/ruff/pull/11446)) - \[`pyflakes`] Recommend adding unused import bindings to `__all__` ([#11314](https://github.com/astral-sh/ruff/pull/11314)) - \[`pyflakes`] Update documentation and deprecate `ignore_init_module_imports` ([#11436](https://github.com/astral-sh/ruff/pull/11436)) - \[`pyupgrade`] Mark quotes as unnecessary for non-evaluated annotations ([#11485](https://github.com/astral-sh/ruff/pull/11485)) ##### Formatter - Avoid multiline quotes warning with `quote-style = preserve` ([#11490](https://github.com/astral-sh/ruff/pull/11490)) ##### Server - Support Jupyter Notebook files ([#11206](https://github.com/astral-sh/ruff/pull/11206)) - Support `noqa` comment code actions ([#11276](https://github.com/astral-sh/ruff/pull/11276)) - Fix automatic configuration reloading ([#11492](https://github.com/astral-sh/ruff/pull/11492)) - Fix several issues with configuration in Neovim and Helix ([#11497](https://github.com/astral-sh/ruff/pull/11497)) ##### CLI - Add `--output-format` as a CLI option for `ruff config` ([#11438](https://github.com/astral-sh/ruff/pull/11438)) ##### Bug fixes - Avoid `PLE0237` for property with setter ([#11377](https://github.com/astral-sh/ruff/pull/11377)) - Avoid `TCH005` for `if` stmt with `elif`/`else` block ([#11376](https://github.com/astral-sh/ruff/pull/11376)) - Avoid flagging `__future__` annotations as required for non-evaluated type annotations ([#11414](https://github.com/astral-sh/ruff/pull/11414)) - Check for ruff executable in 'bin' directory as installed by 'pip install --target'. ([#11450](https://github.com/astral-sh/ruff/pull/11450)) - Sort edits prior to deduplicating in quotation fix ([#11452](https://github.com/astral-sh/ruff/pull/11452)) - Treat escaped newline as valid sequence ([#11465](https://github.com/astral-sh/ruff/pull/11465)) - \[`flake8-pie`] Preserve parentheses in `unnecessary-dict-kwargs` ([#11372](https://github.com/astral-sh/ruff/pull/11372)) - \[`pylint`] Ignore `__slots__` with dynamic values ([#11488](https://github.com/astral-sh/ruff/pull/11488)) - \[`pylint`] Remove `try` body from branch counting ([#11487](https://github.com/astral-sh/ruff/pull/11487)) - \[`refurb`] Respect operator precedence in `FURB110` ([#11464](https://github.com/astral-sh/ruff/pull/11464)) ##### Documentation - Add `--preview` to the README ([#11395](https://github.com/astral-sh/ruff/pull/11395)) - Add Python 3.13 to list of allowed Python versions ([#11411](https://github.com/astral-sh/ruff/pull/11411)) - Simplify Neovim setup documentation ([#11489](https://github.com/astral-sh/ruff/pull/11489)) - Update CONTRIBUTING.md to reflect the new parser ([#11434](https://github.com/astral-sh/ruff/pull/11434)) - Update server documentation with new migration guide ([#11499](https://github.com/astral-sh/ruff/pull/11499)) - \[`pycodestyle`] Clarify motivation for `E713` and `E714` ([#11483](https://github.com/astral-sh/ruff/pull/11483)) - \[`pyflakes`] Update docs to describe WAI behavior (F541) ([#11362](https://github.com/astral-sh/ruff/pull/11362)) - \[`pylint`] Clearly indicate what is counted as a branch ([#11423](https://github.com/astral-sh/ruff/pull/11423)) ### [`v0.4.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#044) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.3...v0.4.4) ##### Preview features - \[`pycodestyle`] Ignore end-of-line comments when determining blank line rules ([#11342](https://github.com/astral-sh/ruff/pull/11342)) - \[`pylint`] Detect `pathlib.Path.open` calls in `unspecified-encoding` (`PLW1514`) ([#11288](https://github.com/astral-sh/ruff/pull/11288)) - \[`flake8-pyi`] Implement `PYI059` (`generic-not-last-base-class`) ([#11233](https://github.com/astral-sh/ruff/pull/11233)) - \[`flake8-pyi`] Implement `PYI062` (`duplicate-literal-member`) ([#11269](https://github.com/astral-sh/ruff/pull/11269)) ##### Rule changes - \[`flake8-boolean-trap`] Allow passing booleans as positional-only arguments in code such as `set(True)` ([#11287](https://github.com/astral-sh/ruff/pull/11287)) - \[`flake8-bugbear`] Ignore enum classes in `cached-instance-method` (`B019`) ([#11312](https://github.com/astral-sh/ruff/pull/11312)) ##### Server - Expand tildes when resolving Ruff server configuration file ([#11283](https://github.com/astral-sh/ruff/pull/11283)) - Fix `ruff server` hanging after Neovim closes ([#11291](https://github.com/astral-sh/ruff/pull/11291)) - Editor settings are used by default if no file-based configuration exists ([#11266](https://github.com/astral-sh/ruff/pull/11266)) ##### Bug fixes - \[`pylint`] Consider `with` statements for `too-many-branches` (`PLR0912`) ([#11321](https://github.com/astral-sh/ruff/pull/11321)) - \[`flake8-blind-except`, `tryceratops`] Respect logged and re-raised expressions in nested statements (`BLE001`, `TRY201`) ([#11301](https://github.com/astral-sh/ruff/pull/11301)) - Recognise assignments such as `__all__ = builtins.list(["foo", "bar"])` as valid `__all__` definitions ([#11335](https://github.com/astral-sh/ruff/pull/11335)) ### [`v0.4.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#043) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.2...v0.4.3) ##### Enhancements - Add support for PEP 696 syntax ([#11120](https://github.com/astral-sh/ruff/pull/11120)) ##### Preview features - \[`refurb`] Use function range for `reimplemented-operator` diagnostics ([#11271](https://github.com/astral-sh/ruff/pull/11271)) - \[`refurb`] Ignore methods in `reimplemented-operator` (`FURB118`) ([#11270](https://github.com/astral-sh/ruff/pull/11270)) - \[`refurb`] Implement `fstring-number-format` (`FURB116`) ([#10921](https://github.com/astral-sh/ruff/pull/10921)) - \[`ruff`] Implement `redirected-noqa` (`RUF101`) ([#11052](https://github.com/astral-sh/ruff/pull/11052)) - \[`pyflakes`] Distinguish between first-party and third-party imports for fix suggestions ([#11168](https://github.com/astral-sh/ruff/pull/11168)) ##### Rule changes - \[`flake8-bugbear`] Ignore non-abstract class attributes when enforcing `B024` ([#11210](https://github.com/astral-sh/ruff/pull/11210)) - \[`flake8-logging`] Include inline instantiations when detecting loggers ([#11154](https://github.com/astral-sh/ruff/pull/11154)) - \[`pylint`] Also emit `PLR0206` for properties with variadic parameters ([#11200](https://github.com/astral-sh/ruff/pull/11200)) - \[`ruff`] Detect duplicate codes as part of `unused-noqa` (`RUF100`) ([#10850](https://github.com/astral-sh/ruff/pull/10850)) ##### Formatter - Avoid multiline expression if format specifier is present ([#11123](https://github.com/astral-sh/ruff/pull/11123)) ##### LSP - Write `ruff server` setup guide for Helix ([#11183](https://github.com/astral-sh/ruff/pull/11183)) - `ruff server` no longer hangs after shutdown ([#11222](https://github.com/astral-sh/ruff/pull/11222)) - `ruff server` reads from a configuration TOML file in the user configuration directory if no local configuration exists ([#11225](https://github.com/astral-sh/ruff/pull/11225)) - `ruff server` respects `per-file-ignores` configuration ([#11224](https://github.com/astral-sh/ruff/pull/11224)) - `ruff server`: Support a custom TOML configuration file ([#11140](https://github.com/astral-sh/ruff/pull/11140)) - `ruff server`: Support setting to prioritize project configuration over editor configuration ([#11086](https://github.com/astral-sh/ruff/pull/11086)) ##### Bug fixes - Avoid debug assertion around NFKC renames ([#11249](https://github.com/astral-sh/ruff/pull/11249)) - \[`pyflakes`] Prioritize `redefined-while-unused` over `unused-import` ([#11173](https://github.com/astral-sh/ruff/pull/11173)) - \[`ruff`] Respect `async` expressions in comprehension bodies ([#11219](https://github.com/astral-sh/ruff/pull/11219)) - \[`pygrep_hooks`] Fix `blanket-noqa` panic when last line has noqa with no newline (`PGH004`) ([#11108](https://github.com/astral-sh/ruff/pull/11108)) - \[`perflint`] Ignore list-copy recommendations for async `for` loops ([#11250](https://github.com/astral-sh/ruff/pull/11250)) - \[`pyflakes`] Improve `invalid-print-syntax` documentation ([#11171](https://github.com/astral-sh/ruff/pull/11171)) ##### Performance - Avoid allocations for isort module names ([#11251](https://github.com/astral-sh/ruff/pull/11251)) - Build a separate ARM wheel for macOS ([#11149](https://github.com/astral-sh/ruff/pull/11149)) ##### Windows - Increase the minimum requirement to Windows 10. ### [`v0.4.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#042) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.1...v0.4.2) ##### Rule changes - \[`flake8-pyi`] Allow for overloaded `__exit__` and `__aexit__` definitions (`PYI036`) ([#11057](https://github.com/astral-sh/ruff/pull/11057)) - \[`pyupgrade`] Catch usages of `"%s" % var` and provide an unsafe fix (`UP031`) ([#11019](https://github.com/astral-sh/ruff/pull/11019)) - \[`refurb`] Implement new rule that suggests min/max over `sorted()` (`FURB192`) ([#10868](https://github.com/astral-sh/ruff/pull/10868)) ##### Server - Fix an issue with missing diagnostics for Neovim and Helix ([#11092](https://github.com/astral-sh/ruff/pull/11092)) - Implement hover documentation for `noqa` codes ([#11096](https://github.com/astral-sh/ruff/pull/11096)) - Introduce common Ruff configuration options with new server settings ([#11062](https://github.com/astral-sh/ruff/pull/11062)) ##### Bug fixes - Use `macos-12` for building release wheels to enable macOS 11 compatibility ([#11146](https://github.com/astral-sh/ruff/pull/11146)) - \[`flake8-blind-expect`] Allow raise from in `BLE001` ([#11131](https://github.com/astral-sh/ruff/pull/11131)) - \[`flake8-pyi`] Allow simple assignments to `None` in enum class scopes (`PYI026`) ([#11128](https://github.com/astral-sh/ruff/pull/11128)) - \[`flake8-simplify`] Avoid raising `SIM911` for non-`zip` attribute calls ([#11126](https://github.com/astral-sh/ruff/pull/11126)) - \[`refurb`] Avoid `operator.itemgetter` suggestion for single-item tuple ([#11095](https://github.com/astral-sh/ruff/pull/11095)) - \[`ruff`] Respect per-file-ignores for `RUF100` with no other diagnostics ([#11058](https://github.com/astral-sh/ruff/pull/11058)) - \[`ruff`] Fix async comprehension false positive (`RUF029`) ([#11070](https://github.com/astral-sh/ruff/pull/11070)) ##### Documentation - \[`flake8-bugbear`] Document explicitly disabling strict zip (`B905`) ([#11040](https://github.com/astral-sh/ruff/pull/11040)) - \[`flake8-type-checking`] Mention `lint.typing-modules` in `TCH001`, `TCH002`, and `TCH003` ([#11144](https://github.com/astral-sh/ruff/pull/11144)) - \[`isort`] Improve documentation around custom `isort` sections ([#11050](https://github.com/astral-sh/ruff/pull/11050)) - \[`pylint`] Fix documentation oversight for `invalid-X-returns` ([#11094](https://github.com/astral-sh/ruff/pull/11094)) ##### Performance - Use `matchit` to resolve per-file settings ([#11111](https://github.com/astral-sh/ruff/pull/11111)) ### [`v0.4.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0410) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.4.0...v0.4.1) ##### Parser - Implement re-lexing logic for better error recovery ([#11845](https://github.com/astral-sh/ruff/pull/11845)) ##### Rule changes - \[`flake8-copyright`] Update `CPY001` to check the first 4096 bytes instead of 1024 ([#11927](https://github.com/astral-sh/ruff/pull/11927)) - \[`pycodestyle`] Update `E999` to show all syntax errors instead of just the first one ([#11900](https://github.com/astral-sh/ruff/pull/11900)) ##### Server - Add tracing setup guide to Helix documentation ([#11883](https://github.com/astral-sh/ruff/pull/11883)) - Add tracing setup guide to Neovim documentation ([#11884](https://github.com/astral-sh/ruff/pull/11884)) - Defer notebook cell deletion to avoid an error message ([#11864](https://github.com/astral-sh/ruff/pull/11864)) ##### Security - Guard against malicious ecosystem comment artifacts ([#11879](https://github.com/astral-sh/ruff/pull/11879)) ### [`v0.4.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#040) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.7...v0.4.0) ##### A new, hand-written parser Ruff's new parser is **>2x faster**, which translates to a **20-40% speedup** for all linting and formatting invocations. There's a lot to say about this exciting change, so check out the [blog post](https://astral.sh/blog/ruff-v0.4.0) for more details! See [#10036](https://github.com/astral-sh/ruff/pull/10036) for implementation details. ##### A new language server in Rust With this release, we also want to highlight our new language server. `ruff server` is a Rust-powered language server that comes built-in with Ruff. It can be used with any editor that supports the [Language Server Protocol](https://microsoft.github.io/language-server-protocol/) (LSP). It uses a multi-threaded, lock-free architecture inspired by `rust-analyzer` and it will open the door for a lot of exciting features. It’s also faster than our previous [Python-based language server](https://github.com/astral-sh/ruff-lsp) \-- but you probably guessed that already. `ruff server` is only in alpha, but it has a lot of features that you can try out today: - Lints Python files automatically and shows quick-fixes when available - Formats Python files, with support for range formatting - Comes with commands for quickly performing actions: `ruff.applyAutofix`, `ruff.applyFormat`, and `ruff.applyOrganizeImports` - Supports `source.fixAll` and `source.organizeImports` source actions - Automatically reloads your project configuration when you change it To setup `ruff server` with your editor, refer to the [README.md](https://github.com/astral-sh/ruff/blob/main/crates/ruff_server/README.md). ##### Preview features - \[`pycodestyle`] Do not trigger `E3` rules on `def`s following a function/method with a dummy body ([#10704](https://github.com/astral-sh/ruff/pull/10704)) - \[`pylint`] Implement `invalid-bytes-returned` (`E0308`) ([#10959](https://github.com/astral-sh/ruff/pull/10959)) - \[`pylint`] Implement `invalid-length-returned` (`E0303`) ([#10963](https://github.com/astral-sh/ruff/pull/10963)) - \[`pylint`] Implement `self-cls-assignment` (`W0642`) ([#9267](https://github.com/astral-sh/ruff/pull/9267)) - \[`pylint`] Omit stubs from `invalid-bool` and `invalid-str-return-type` ([#11008](https://github.com/astral-sh/ruff/pull/11008)) - \[`ruff`] New rule `unused-async` (`RUF029`) to detect unneeded `async` keywords on functions ([#9966](https://github.com/astral-sh/ruff/pull/9966)) ##### Rule changes - \[`flake8-bandit`] Allow `urllib.request.urlopen` calls with static `Request` argument (`S310`) ([#10964](https://github.com/astral-sh/ruff/pull/10964)) - \[`flake8-bugbear`] Treat `raise NotImplemented`-only bodies as stub functions (`B006`) ([#10990](https://github.com/astral-sh/ruff/pull/10990)) - \[`flake8-slots`] Respect same-file `Enum` subclasses (`SLOT000`) ([#11006](https://github.com/astral-sh/ruff/pull/11006)) - \[`pylint`] Support inverted comparisons (`PLR1730`) ([#10920](https://github.com/astral-sh/ruff/pull/10920)) ##### Linter - Improve handling of builtin symbols in linter rules ([#10919](https://github.com/astral-sh/ruff/pull/10919)) - Improve display of rules in `--show-settings` ([#11003](https://github.com/astral-sh/ruff/pull/11003)) - Improve inference capabilities of the `BuiltinTypeChecker` ([#10976](https://github.com/astral-sh/ruff/pull/10976)) - Resolve classes and functions relative to script name ([#10965](https://github.com/astral-sh/ruff/pull/10965)) - Improve performance of `RuleTable::any_enabled` ([#10971](https://github.com/astral-sh/ruff/pull/10971)) ##### Server *This section is devoted to updates for our new language server, written in Rust.* - Enable ruff-specific source actions ([#10916](https://github.com/astral-sh/ruff/pull/10916)) - Refreshes diagnostics for open files when file configuration is changed ([#10988](https://github.com/astral-sh/ruff/pull/10988)) - Important errors are now shown as popups ([#10951](https://github.com/astral-sh/ruff/pull/10951)) - Introduce settings for directly configuring the linter and formatter ([#10984](https://github.com/astral-sh/ruff/pull/10984)) - Resolve configuration for each document individually ([#10950](https://github.com/astral-sh/ruff/pull/10950)) - Write a setup guide for Neovim ([#10987](https://github.com/astral-sh/ruff/pull/10987)) ##### Configuration - Add `RUFF_OUTPUT_FILE` environment variable support ([#10992](https://github.com/astral-sh/ruff/pull/10992)) ##### Bug fixes - Avoid `non-augmented-assignment` for reversed, non-commutative operators (`PLR6104`) ([#10909](https://github.com/astral-sh/ruff/pull/10909)) - Limit commutative non-augmented-assignments to primitive data types (`PLR6104`) ([#10912](https://github.com/astral-sh/ruff/pull/10912)) - Respect `per-file-ignores` for `RUF100` on blanket `# noqa` ([#10908](https://github.com/astral-sh/ruff/pull/10908)) - Consider `if` expression for parenthesized with items parsing ([#11010](https://github.com/astral-sh/ruff/pull/11010)) - Consider binary expr for parenthesized with items parsing ([#11012](https://github.com/astral-sh/ruff/pull/11012)) - Reset `FOR_TARGET` context for all kinds of parentheses ([#11009](https://github.com/astral-sh/ruff/pull/11009)) ### [`v0.3.7`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#037) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.6...v0.3.7) ##### Preview features - \[`flake8-bugbear`] Implement `loop-iterator-mutation` (`B909`) ([#9578](https://github.com/astral-sh/ruff/pull/9578)) - \[`pylint`] Implement rule to prefer augmented assignment (`PLR6104`) ([#9932](https://github.com/astral-sh/ruff/pull/9932)) ##### Bug fixes - Avoid TOCTOU errors in cache initialization ([#10884](https://github.com/astral-sh/ruff/pull/10884)) - \[`pylint`] Recode `nan-comparison` rule to `W0177` ([#10894](https://github.com/astral-sh/ruff/pull/10894)) - \[`pylint`] Reverse min-max logic in `if-stmt-min-max` ([#10890](https://github.com/astral-sh/ruff/pull/10890)) ### [`v0.3.6`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#036) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.5...v0.3.6) ##### Preview features - \[`pylint`] Implement `bad-staticmethod-argument` (`PLW0211`) ([#10781](https://github.com/astral-sh/ruff/pull/10781)) - \[`pylint`] Implement `if-stmt-min-max` (`PLR1730`, `PLR1731`) ([#10002](https://github.com/astral-sh/ruff/pull/10002)) - \[`pyupgrade`] Replace `str,Enum` multiple inheritance with `StrEnum` `UP042` ([#10713](https://github.com/astral-sh/ruff/pull/10713)) - \[`refurb`] Implement `if-expr-instead-of-or-operator` (`FURB110`) ([#10687](https://github.com/astral-sh/ruff/pull/10687)) - \[`refurb`] Implement `int-on-sliced-str` (`FURB166`) ([#10650](https://github.com/astral-sh/ruff/pull/10650)) - \[`refurb`] Implement `write-whole-file` (`FURB103`) ([#10802](https://github.com/astral-sh/ruff/pull/10802)) - \[`refurb`] Support `itemgetter` in `reimplemented-operator` (`FURB118`) ([#10526](https://github.com/astral-sh/ruff/pull/10526)) - \[`flake8_comprehensions`] Add `sum`/`min`/`max` to unnecessary comprehension check (`C419`) ([#10759](https://github.com/astral-sh/ruff/pull/10759)) ##### Rule changes - \[`pydocstyle`] Require capitalizing docstrings where the first sentence is a single word (`D403`) ([#10776](https://github.com/astral-sh/ruff/pull/10776)) - \[`pycodestyle`] Ignore annotated lambdas in class scopes (`E731`) ([#10720](https://github.com/astral-sh/ruff/pull/10720)) - \[`flake8-pyi`] Various improvements to PYI034 ([#10807](https://github.com/astral-sh/ruff/pull/10807)) - \[`flake8-slots`] Flag subclasses of call-based `typing.NamedTuple`s as well as subclasses of `collections.namedtuple()` (`SLOT002`) ([#10808](https://github.com/astral-sh/ruff/pull/10808)) - \[`pyflakes`] Allow forward references in class bases in stub files (`F821`) ([#10779](https://github.com/astral-sh/ruff/pull/10779)) - \[`pygrep-hooks`] Improve `blanket-noqa` error message (`PGH004`) ([#10851](https://github.com/astral-sh/ruff/pull/10851)) ##### CLI - Support `FORCE_COLOR` env var ([#10839](https://github.com/astral-sh/ruff/pull/10839)) ##### Configuration - Support negated patterns in `[extend-]per-file-ignores` ([#10852](https://github.com/astral-sh/ruff/pull/10852)) ##### Bug fixes - \[`flake8-import-conventions`] Accept non-aliased (but correct) import in `unconventional-import-alias` (`ICN001`) ([#10729](https://github.com/astral-sh/ruff/pull/10729)) - \[`flake8-quotes`] Add semantic model flag when inside f-string replacement field ([#10766](https://github.com/astral-sh/ruff/pull/10766)) - \[`pep8-naming`] Recursively resolve `TypeDicts` for N815 violations ([#10719](https://github.com/astral-sh/ruff/pull/10719)) - \[`flake8-quotes`] Respect `Q00*` ignores in `flake8-quotes` rules ([#10728](https://github.com/astral-sh/ruff/pull/10728)) - \[`flake8-simplify`] Show negated condition in `needless-bool` diagnostics (`SIM103`) ([#10854](https://github.com/astral-sh/ruff/pull/10854)) - \[`ruff`] Use within-scope shadowed bindings in `asyncio-dangling-task` (`RUF006`) ([#10793](https://github.com/astral-sh/ruff/pull/10793)) - \[`flake8-pytest-style`] Fix single-tuple conversion in `pytest-parametrize-values-wrong-type` (`PT007`) ([#10862](https://github.com/astral-sh/ruff/pull/10862)) - \[`flake8-return`] Ignore assignments to annotated variables in `unnecessary-assign` (`RET504`) ([#10741](https://github.com/astral-sh/ruff/pull/10741)) - \[`refurb`] Do not allow any keyword arguments for `read-whole-file` in `rb` mode (`FURB101`) ([#10803](https://github.com/astral-sh/ruff/pull/10803)) - \[`pylint`] Don't recommend decorating staticmethods with `@singledispatch` (`PLE1519`, `PLE1520`) ([#10637](https://github.com/astral-sh/ruff/pull/10637)) - \[`pydocstyle`] Use section name range for all section-related docstring diagnostics ([#10740](https://github.com/astral-sh/ruff/pull/10740)) - Respect `# noqa` directives on `__all__` openers ([#10798](https://github.com/astral-sh/ruff/pull/10798)) ### [`v0.3.5`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#035) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.4...v0.3.5) ##### Preview features - \[`pylint`] Implement `modified-iterating-set` (`E4703`) ([#10473](https://github.com/astral-sh/ruff/pull/10473)) - \[`refurb`] Implement `for-loop-set-mutations` (`FURB142`) ([#10583](https://github.com/astral-sh/ruff/pull/10583)) - \[`refurb`] Implement `unnecessary-from-float` (`FURB164`) ([#10647](https://github.com/astral-sh/ruff/pull/10647)) - \[`refurb`] Implement `verbose-decimal-constructor` (`FURB157`) ([#10533](https://github.com/astral-sh/ruff/pull/10533)) ##### Rule changes - \[`flake8-comprehensions`] Handled special case for `C401` which also matches `C416` ([#10596](https://github.com/astral-sh/ruff/pull/10596)) - \[`flake8-pyi`] Mark `unaliased-collections-abc-set-import` fix as "safe" for more cases in stub files (`PYI025`) ([#10547](https://github.com/astral-sh/ruff/pull/10547)) - \[`numpy`] Add `row_stack` to NumPy 2.0 migration rule ([#10646](https://github.com/astral-sh/ruff/pull/10646)) - \[`pycodestyle`] Allow cell magics before an import (`E402`) ([#10545](https://github.com/astral-sh/ruff/pull/10545)) - \[`pycodestyle`] Avoid blank line rules for the first logical line in cell ([#10291](https://github.com/astral-sh/ruff/pull/10291)) ##### Configuration - Respected nested namespace packages ([#10541](https://github.com/astral-sh/ruff/pull/10541)) - \[`flake8-boolean-trap`] Add setting for user defined allowed boolean trap ([#10531](https://github.com/astral-sh/ruff/pull/10531)) ##### Bug fixes - Correctly handle references in `__all__` definitions when renaming symbols in autofixes ([#10527](https://github.com/astral-sh/ruff/pull/10527)) - Track ranges of names inside `__all__` definitions ([#10525](https://github.com/astral-sh/ruff/pull/10525)) - \[`flake8-bugbear`] Avoid false positive for usage after `continue` (`B031`) ([#10539](https://github.com/astral-sh/ruff/pull/10539)) - \[`flake8-copyright`] Accept commas in default copyright pattern ([#9498](https://github.com/astral-sh/ruff/pull/9498)) - \[`flake8-datetimez`] Allow f-strings with `%z` for `DTZ007` ([#10651](https://github.com/astral-sh/ruff/pull/10651)) - \[`flake8-pytest-style`] Fix `PT014` autofix for last item in list ([#10532](https://github.com/astral-sh/ruff/pull/10532)) - \[`flake8-quotes`] Ignore `Q000`, `Q001` when string is inside forward ref ([#10585](https://github.com/astral-sh/ruff/pull/10585)) - \[`isort`] Always place non-relative imports after relative imports ([#10669](https://github.com/astral-sh/ruff/pull/10669)) - \[`isort`] Respect Unicode characters in import sorting ([#10529](https://github.com/astral-sh/ruff/pull/10529)) - \[`pyflakes`] Fix F821 false negatives when `from __future__ import annotations` is active (attempt 2) ([#10524](https://github.com/astral-sh/ruff/pull/10524)) - \[`pyflakes`] Make `unnecessary-lambda` an always-unsafe fix ([#10668](https://github.com/astral-sh/ruff/pull/10668)) - \[`pylint`] Fixed false-positive on the rule `PLW1641` (`eq-without-hash`) ([#10566](https://github.com/astral-sh/ruff/pull/10566)) - \[`ruff`] Fix panic in unused `# noqa` removal with multi-byte space (`RUF100`) ([#10682](https://github.com/astral-sh/ruff/pull/10682)) ##### Documentation - Add PR title format to `CONTRIBUTING.md` ([#10665](https://github.com/astral-sh/ruff/pull/10665)) - Fix list markup to include blank lines required ([#10591](https://github.com/astral-sh/ruff/pull/10591)) - Put `flake8-logging` next to the other flake8 plugins in registry ([#10587](https://github.com/astral-sh/ruff/pull/10587)) - \[`flake8-bandit`] Update warning message for rule `S305` to address insecure block cipher mode use ([#10602](https://github.com/astral-sh/ruff/pull/10602)) - \[`flake8-bugbear`] Document use of anonymous assignment in `useless-expression` ([#10551](https://github.com/astral-sh/ruff/pull/10551)) - \[`flake8-datetimez`] Clarify error messages and docs for `DTZ` rules ([#10621](https://github.com/astral-sh/ruff/pull/10621)) - \[`pycodestyle`] Use same before vs. after numbers for `space-around-operator` ([#10640](https://github.com/astral-sh/ruff/pull/10640)) - \[`ruff`] Change `quadratic-list-summation` docs to use `iadd` consistently ([#10666](https://github.com/astral-sh/ruff/pull/10666)) ### [`v0.3.4`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#034) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.3...v0.3.4) ##### Preview features - \[`flake8-simplify`] Detect implicit `else` cases in `needless-bool` (`SIM103`) ([#10414](https://github.com/astral-sh/ruff/pull/10414)) - \[`pylint`] Implement `nan-comparison` (`PLW0117`) ([#10401](https://github.com/astral-sh/ruff/pull/10401)) - \[`pylint`] Implement `nonlocal-and-global` (`E115`) ([#10407](https://github.com/astral-sh/ruff/pull/10407)) - \[`pylint`] Implement `singledispatchmethod-function` (`PLE5120`) ([#10428](https://github.com/astral-sh/ruff/pull/10428)) - \[`refurb`] Implement `list-reverse-copy` (`FURB187`) ([#10212](https://github.com/astral-sh/ruff/pull/10212)) ##### Rule changes - \[`flake8-pytest-style`] Add automatic fix for `pytest-parametrize-values-wrong-type` (`PT007`) ([#10461](https://github.com/astral-sh/ruff/pull/10461)) - \[`pycodestyle`] Allow SPDX license headers to exceed the line length (`E501`) ([#10481](https://github.com/astral-sh/ruff/pull/10481)) ##### Formatter - Fix unstable formatting for trailing subscript end-of-line comment ([#10492](https://github.com/astral-sh/ruff/pull/10492)) ##### Bug fixes - Avoid code comment detection in PEP 723 script tags ([#10464](https://github.com/astral-sh/ruff/pull/10464)) - Avoid incorrect tuple transformation in single-element case (`C409`) ([#10491](https://github.com/astral-sh/ruff/pull/10491)) - Bug fix: Prevent fully defined links [`name`](link) from being reformatted ([#10442](https://github.com/astral-sh/ruff/pull/10442)) - Consider raw source code for `W605` ([#10480](https://github.com/astral-sh/ruff/pull/10480)) - Docs: Link inline settings when not part of options section ([#10499](https://github.com/astral-sh/ruff/pull/10499)) - Don't treat annotations as redefinitions in `.pyi` files ([#10512](https://github.com/astral-sh/ruff/pull/10512)) - Fix `E231` bug: Inconsistent catch compared to pycodestyle, such as when dict nested in list ([#10469](https://github.com/astral-sh/ruff/pull/10469)) - Fix pylint upstream categories not showing in docs ([#10441](https://github.com/astral-sh/ruff/pull/10441)) - Add missing `Options` references to blank line docs ([#10498](https://github.com/astral-sh/ruff/pull/10498)) - 'Revert "F821: Fix false negatives in .py files when `from __future__ import annotations` is active ([#10362](https://github.com/astral-sh/ruff/issues/10362))"' ([#10513](https://github.com/astral-sh/ruff/pull/10513)) - Apply NFKC normalization to unicode identifiers in the lexer ([#10412](https://github.com/astral-sh/ruff/pull/10412)) - Avoid failures due to non-deterministic binding ordering ([#10478](https://github.com/astral-sh/ruff/pull/10478)) - \[`flake8-bugbear`] Allow tuples of exceptions (`B030`) ([#10437](https://github.com/astral-sh/ruff/pull/10437)) - \[`flake8-quotes`] Avoid syntax errors due to invalid quotes (`Q000, Q002`) ([#10199](https://github.com/astral-sh/ruff/pull/10199)) ### [`v0.3.3`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#033) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.2...v0.3.3) ##### Preview features - \[`flake8-bandit`]: Implement `S610` rule ([#10316](https://github.com/astral-sh/ruff/pull/10316)) - \[`pycodestyle`] Implement `blank-line-at-end-of-file` (`W391`) ([#10243](https://github.com/astral-sh/ruff/pull/10243)) - \[`pycodestyle`] Implement `redundant-backslash` (`E502`) ([#10292](https://github.com/astral-sh/ruff/pull/10292)) - \[`pylint`] - implement `redeclared-assigned-name` (`W0128`) ([#9268](https://github.com/astral-sh/ruff/pull/9268)) ##### Rule changes - \[`flake8_comprehensions`] Handled special case for `C400` which also matches `C416` ([#10419](https://github.com/astral-sh/ruff/pull/10419)) - \[`flake8-bandit`] Implement upstream updates for `S311`, `S324` and `S605` ([#10313](https://github.com/astral-sh/ruff/pull/10313)) - \[`pyflakes`] Remove `F401` fix for `__init__` imports by default and allow opt-in to unsafe fix ([#10365](https://github.com/astral-sh/ruff/pull/10365)) - \[`pylint`] Implement `invalid-bool-return-type` (`E304`) ([#10377](https://github.com/astral-sh/ruff/pull/10377)) - \[`pylint`] Include builtin warnings in useless-exception-statement (`PLW0133`) ([#10394](https://github.com/astral-sh/ruff/pull/10394)) ##### CLI - Add message on success to `ruff check` ([#8631](https://github.com/astral-sh/ruff/pull/8631)) ##### Bug fixes - \[`PIE970`] Allow trailing ellipsis in `typing.TYPE_CHECKING` ([#10413](https://github.com/astral-sh/ruff/pull/10413)) - Avoid `TRIO115` if the argument is a variable ([#10376](https://github.com/astral-sh/ruff/pull/10376)) - \[`F811`] Avoid removing shadowed imports that point to different symbols ([#10387](https://github.com/astral-sh/ruff/pull/10387)) - Fix `F821` and `F822` false positives in `.pyi` files ([#10341](https://github.com/astral-sh/ruff/pull/10341)) - Fix `F821` false negatives in `.py` files when `from __future__ import annotations` is active ([#10362](https://github.com/astral-sh/ruff/pull/10362)) - Fix case where `Indexer` fails to identify continuation preceded by newline [#10351](https://github.com/astral-sh/ruff/issues/10351) ([#10354](https://github.com/astral-sh/ruff/pull/10354)) - Sort hash maps in `Settings` display ([#10370](https://github.com/astral-sh/ruff/pull/10370)) - Track conditional deletions in the semantic model ([#10415](https://github.com/astral-sh/ruff/pull/10415)) - \[`C413`] Wrap expressions in parentheses when negating ([#10346](https://github.com/astral-sh/ruff/pull/10346)) - \[`pycodestyle`] Do not ignore lines before the first logical line in blank lines rules. ([#10382](https://github.com/astral-sh/ruff/pull/10382)) - \[`pycodestyle`] Do not trigger `E225` and `E275` when the next token is a ')' ([#10315](https://github.com/astral-sh/ruff/pull/10315)) - \[`pylint`] Avoid false-positive slot non-assignment for `__dict__` (`PLE0237`) ([#10348](https://github.com/astral-sh/ruff/pull/10348)) - Gate f-string struct size test for Rustc < 1.76 ([#10371](https://github.com/astral-sh/ruff/pull/10371)) ##### Documentation - Use `ruff.toml` format in README ([#10393](https://github.com/astral-sh/ruff/pull/10393)) - \[`RUF008`] Make it clearer that a mutable default in a dataclass is only valid if it is typed as a ClassVar ([#10395](https://github.com/astral-sh/ruff/pull/10395)) - \[`pylint`] Extend docs and test in `invalid-str-return-type` (`E307`) ([#10400](https://github.com/astral-sh/ruff/pull/10400)) - Remove `.` from `check` and `format` commands ([#10217](https://github.com/astral-sh/ruff/pull/10217)) ### [`v0.3.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#032) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.1...v0.3.2) ##### Preview features - Improve single-`with` item formatting for Python 3.8 or older ([#10276](https://github.com/astral-sh/ruff/pull/10276)) ##### Rule changes - \[`pyupgrade`] Allow fixes for f-string rule regardless of line length (`UP032`) ([#10263](https://github.com/astral-sh/ruff/pull/10263)) - \[`pycodestyle`] Include actual conditions in E712 diagnostics ([#10254](https://github.com/astral-sh/ruff/pull/10254)) ##### Bug fixes - Fix trailing kwargs end of line comment after slash ([#10297](https://github.com/astral-sh/ruff/pull/10297)) - Fix unstable `with` items formatting ([#10274](https://github.com/astral-sh/ruff/pull/10274)) - Avoid repeating function calls in f-string conversions ([#10265](https://github.com/astral-sh/ruff/pull/10265)) - Fix E203 false positive for slices in format strings ([#10280](https://github.com/astral-sh/ruff/pull/10280)) - Fix incorrect `Parameter` range for `*args` and `**kwargs` ([#10283](https://github.com/astral-sh/ruff/pull/10283)) - Treat `typing.Annotated` subscripts as type definitions ([#10285](https://github.com/astral-sh/ruff/pull/10285)) ### [`v0.3.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#031) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.3.0...v0.3.1) ##### Preview features - \[`pycodestyle`] Fix E301 not triggering on decorated methods. ([#10117](https://github.com/astral-sh/ruff/pull/10117)) - \[`pycodestyle`] Respect `isort` settings in blank line rules (`E3*`) ([#10096](https://github.com/astral-sh/ruff/pull/10096)) - \[`pycodestyle`] Make blank lines in typing stub files optional (`E3*`) ([#10098](https://github.com/astral-sh/ruff/pull/10098)) - \[`pylint`] Implement `singledispatch-method` (`E1519`) ([#10140](https://github.com/astral-sh/ruff/pull/10140)) - \[`pylint`] Implement `useless-exception-statement` (`W0133`) ([#10176](https://github.com/astral-sh/ruff/pull/10176)) ##### Rule changes - \[`flake8-debugger`] Check for use of `debugpy` and `ptvsd` debug modules ([#10177](https://github.com/astral-sh/ruff/issues/10177)) ([#10194](https://github.com/astral-sh/ruff/pull/10194)) - \[`pyupgrade`] Generate diagnostic for all valid f-string conversions regardless of line length (`UP032`) ([#10238](https://github.com/astral-sh/ruff/pull/10238)) - \[`pep8_naming`] Add fixes for `N804` and `N805` ([#10215](https://github.com/astral-sh/ruff/pull/10215)) ##### CLI - Colorize the output of `ruff format --diff` ([#10110](https://github.com/astral-sh/ruff/pull/10110)) - Make `--config` and `--isolated` global flags ([#10150](https://github.com/astral-sh/ruff/pull/10150)) - Correctly expand tildes and environment variables in paths passed to `--config` ([#10219](https://github.com/astral-sh/ruff/pull/10219)) ##### Configuration - Accept a PEP 440 version specifier for `required-version` ([#10216](https://github.com/astral-sh/ruff/pull/10216)) - Implement isort's `default-section` setting ([#10149](https://github.com/astral-sh/ruff/pull/10149)) ##### Bug fixes - Remove trailing space from `CapWords` message ([#10220](https://github.com/astral-sh/ruff/pull/10220)) - Respect external codes in file-level exemptions ([#10203](https://github.com/astral-sh/ruff/pull/10203)) - \[`flake8-raise`] Avoid false-positives for parens-on-raise with `future.exception()` (`RSE102`) ([#10206](https://github.com/astral-sh/ruff/pull/10206)) - \[`pylint`] Add fix for unary expressions in `PLC2801` ([#9587](https://github.com/astral-sh/ruff/pull/9587)) - \[`ruff`] Fix RUF028 not allowing `# fmt: skip` on match cases ([#10178](https://github.com/astral-sh/ruff/pull/10178)) ### [`v0.3.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#030) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.2.2...v0.3.0) This release introduces the new Ruff formatter 2024.2 style and adds a new lint rule to detect invalid formatter suppression comments. ##### Preview features - \[`flake8-bandit`] Remove suspicious-lxml-import (`S410`) ([#10154](https://github.com/astral-sh/ruff/pull/10154)) - \[`pycodestyle`] Allow `os.environ` modifications between imports (`E402`) ([#10066](https://github.com/astral-sh/ruff/pull/10066)) - \[`pycodestyle`] Don't warn about a single whitespace character before a comma in a tuple (`E203`) ([#10094](https://github.com/astral-sh/ruff/pull/10094)) ##### Rule changes - \[`eradicate`] Detect commented out `case` statements (`ERA001`) ([#10055](https://github.com/astral-sh/ruff/pull/10055)) - \[`eradicate`] Detect single-line code for `try:`, `except:`, etc. (`ERA001`) ([#10057](https://github.com/astral-sh/ruff/pull/10057)) - \[`flake8-boolean-trap`] Allow boolean positionals in `__post_init__` ([#10027](https://github.com/astral-sh/ruff/pull/10027)) - \[`flake8-copyright`] Allow © in copyright notices ([#10065](https://github.com/astral-sh/ruff/pull/10065)) - \[`isort`]: Use one blank line after imports in typing stub files ([#9971](https://github.com/astral-sh/ruff/pull/9971)) - \[`pylint`] New Rule `dict-iter-missing-items` (`PLE1141`) ([#9845](https://github.com/astral-sh/ruff/pull/9845)) - \[`pylint`] Ignore `sys.version` and `sys.platform` (`PLR1714`) ([#10054](https://github.com/astral-sh/ruff/pull/10054)) - \[`pyupgrade`] Detect literals with unary operators (`UP018`) ([#10060](https://github.com/astral-sh/ruff/pull/10060)) - \[`ruff`] Expand rule for `list(iterable).pop(0)` idiom (`RUF015`) ([#10148](https://github.com/astral-sh/ruff/pull/10148)) ##### Formatter This release introduces the Ruff 2024.2 style, stabilizing the following changes: - Prefer splitting the assignment's value over the target or type annotation ([#8943](https://github.com/astral-sh/ruff/pull/8943)) - Remove blank lines before class docstrings ([#9154](https://github.com/astral-sh/ruff/pull/9154)) - Wrap multiple context managers in `with` parentheses when targeting Python 3.9 or newer ([#9222](https://github.com/astral-sh/ruff/pull/9222)) - Add a blank line after nested classes with a dummy body (`...`) in typing stub files ([#9155](https://github.com/astral-sh/ruff/pull/9155)) - Reduce vertical spacing for classes and functions with a dummy (`...`) body ([#7440](https://github.com/astral-sh/ruff/issues/7440), [#9240](https://github.com/astral-sh/ruff/pull/9240)) - Add a blank line after the module docstring ([#8283](https://github.com/astral-sh/ruff/pull/8283)) - Parenthesize long type hints in assignments ([#9210](https://github.com/astral-sh/ruff/pull/9210)) - Preserve indent for single multiline-string call-expressions ([#9673](https://github.com/astral-sh/ruff/pull/9637)) - Normalize hex escape and unicode escape sequences ([#9280](https://github.com/astral-sh/ruff/pull/9280)) - Format module docstrings ([#9725](https://github.com/astral-sh/ruff/pull/9725)) ##### CLI - Explicitly disallow `extend` as part of a `--config` flag ([#10135](https://github.com/astral-sh/ruff/pull/10135)) - Remove `build` from the default exclusion list ([#10093](https://github.com/astral-sh/ruff/pull/10093)) - Deprecate `ruff <path>`, `ruff --explain`, `ruff --clean`, and `ruff --generate-shell-completion` in favor of `ruff check <path>`, `ruff rule`, `ruff clean`, and `ruff generate-shell-completion` ([#10169](https://github.com/astral-sh/ruff/pull/10169)) - Remove the deprecated CLI option `--format` from `ruff rule` and `ruff linter` ([#10170](https://github.com/astral-sh/ruff/pull/10170)) ##### Bug fixes - \[`flake8-bugbear`] Avoid adding default initializers to stubs (`B006`) ([#10152](https://github.com/astral-sh/ruff/pull/10152)) - \[`flake8-type-checking`] Respect runtime-required decorators for function signatures ([#10091](https://github.com/astral-sh/ruff/pull/10091)) - \[`pycodestyle`] Mark fixes overlapping with a multiline string as unsafe (`W293`) ([#10049](https://github.com/astral-sh/ruff/pull/10049)) - \[`pydocstyle`] Trim whitespace when removing blank lines after section (`D413`) ([#10162](https://github.com/astral-sh/ruff/pull/10162)) - \[`pylint`] Delete entire statement, including semicolons (`PLR0203`) ([#10074](https://github.com/astral-sh/ruff/pull/10074)) - \[`ruff`] Avoid f-string false positives in `gettext` calls (`RUF027`) ([#10118](https://github.com/astral-sh/ruff/pull/10118)) - Fix `ruff` crashing on PowerPC systems because of too small page size ([#10080](https://github.com/astral-sh/ruff/pull/10080)) ##### Performance - Add cold attribute to less likely printer queue branches in the formatter ([#10121](https://github.com/astral-sh/ruff/pull/10121)) - Skip unnecessary string normalization in the formatter ([#10116](https://github.com/astral-sh/ruff/pull/10116)) ##### Documentation - Remove "Beta" Label from formatter documentation ([#10144](https://github.com/astral-sh/ruff/pull/10144)) - `line-length` option: fix link to `pycodestyle.max-line-length` ([#10136](https://github.com/astral-sh/ruff/pull/10136)) ### [`v0.2.2`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#022) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.2.1...v0.2.2) Highlights include: - Initial support formatting f-strings (in `--preview`). - Support for overriding arbitrary configuration options via the CLI through an expanded `--config` argument (e.g., `--config "lint.isort.combine-as-imports=false"`). - Significant performance improvements in Ruff's lexer, parser, and lint rules. ##### Preview features - Implement minimal f-string formatting ([#9642](https://github.com/astral-sh/ruff/pull/9642)) - \[`pycodestyle`] Add blank line(s) rules (`E301`, `E302`, `E303`, `E304`, `E305`, `E306`) ([#9266](https://github.com/astral-sh/ruff/pull/9266)) - \[`refurb`] Implement `readlines_in_for` (`FURB129`) ([#9880](https://github.com/astral-sh/ruff/pull/9880)) ##### Rule changes - \[`ruff`] Ensure closing parentheses for multiline sequences are always on their own line (`RUF022`, `RUF023`) ([#9793](https://github.com/astral-sh/ruff/pull/9793)) - \[`numpy`] Add missing deprecation violations (`NPY002`) ([#9862](https://github.com/astral-sh/ruff/pull/9862)) - \[`flake8-bandit`] Detect `mark_safe` usages in decorators ([#9887](https://github.com/astral-sh/ruff/pull/9887)) - \[`ruff`] Expand `asyncio-dangling-task` (`RUF006`) to include `new_event_loop` ([#9976](https://github.com/astral-sh/ruff/pull/9976)) - \[`flake8-pyi`] Ignore 'unused' private type dicts in class scopes ([#9952](https://github.com/astral-sh/ruff/pull/9952)) ##### Formatter - Docstring formatting: Preserve tab indentation when using `indent-style=tabs` ([#9915](https://github.com/astral-sh/ruff/pull/9915)) - Disable top-level docstring formatting for notebooks ([#9957](https://github.com/astral-sh/ruff/pull/9957)) - Stabilize quote-style's `preserve` mode ([#9922](https://github.com/astral-sh/ruff/pull/9922)) ##### CLI - Allow arbitrary configuration options to be overridden via the CLI ([#9599](https://github.com/astral-sh/ruff/pull/9599)) ##### Bug fixes - Make `show-settings` filters directory-agnostic ([#9866](https://github.com/astral-sh/ruff/pull/9866)) - Respect duplicates when rewriting type aliases ([#9905](https://github.com/astral-sh/ruff/pull/9905)) - Respect tuple assignments in typing analyzer ([#9969](https://github.com/astral-sh/ruff/pull/9969)) - Use atomic write when persisting cache ([#9981](https://github.com/astral-sh/ruff/pull/9981)) - Use non-parenthesized range for `DebugText` ([#9953](https://github.com/astral-sh/ruff/pull/9953)) - \[`flake8-simplify`] Avoid false positive with `async` for loops (`SIM113`) ([#9996](https://github.com/astral-sh/ruff/pull/9996)) - \[`flake8-trio`] Respect `async with` in `timeout-without-await` ([#9859](https://github.com/astral-sh/ruff/pull/9859)) - \[`perflint`] Catch a wider range of mutations in `PERF101` ([#9955](https://github.com/astral-sh/ruff/pull/9955)) - \[`pycodestyle`] Fix `E30X` panics on blank lines with trailing white spaces ([#9907](https://github.com/astral-sh/ruff/pull/9907)) - \[`pydocstyle`] Allow using `parameters` as a subsection header (`D405`) ([#9894](https://github.com/astral-sh/ruff/pull/9894)) - \[`pydocstyle`] Fix blank-line docstring rules for module-level docstrings ([#9878](https://github.com/astral-sh/ruff/pull/9878)) - \[`pylint`] Accept 0.0 and 1.0 as common magic values (`PLR2004`) ([#9964](https://github.com/astral-sh/ruff/pull/9964)) - \[`pylint`] Avoid suggesting set rewrites for non-hashable types ([#9956](https://github.com/astral-sh/ruff/pull/9956)) - \[`ruff`] Avoid false negatives with string literals inside of method calls (`RUF027`) ([#9865](https://github.com/astral-sh/ruff/pull/9865)) - \[`ruff`] Fix panic on with f-string detection (`RUF027`) ([#9990](https://github.com/astral-sh/ruff/pull/9990)) - \[`ruff`] Ignore builtins when detecting missing f-strings ([#9849](https://github.com/astral-sh/ruff/pull/9849)) ##### Performance - Use `memchr` for string lexing ([#9888](https://github.com/astral-sh/ruff/pull/9888)) - Use `memchr` for tab-indentation detection ([#9853](https://github.com/astral-sh/ruff/pull/9853)) - Reduce `Result<Tok, LexicalError>` size by using `Box<str>` instead of `String` ([#9885](https://github.com/astral-sh/ruff/pull/9885)) - Reduce size of `Expr` from 80 to 64 bytes ([#9900](https://github.com/astral-sh/ruff/pull/9900)) - Improve trailing comma rule performance ([#9867](https://github.com/astral-sh/ruff/pull/9867)) - Remove unnecessary string cloning from the parser ([#9884](https://github.com/astral-sh/ruff/pull/9884)) ### [`v0.2.1`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#021) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.2.0...v0.2.1) This release includes support for range formatting (i.e., the ability to format specific lines within a source file). ##### Preview features - \[`refurb`] Implement `missing-f-string-syntax` (`RUF027`) ([#9728](https://github.com/astral-sh/ruff/pull/9728)) - Format module-level docstrings ([#9725](https://github.com/astral-sh/ruff/pull/9725)) ##### Formatter - Add `--range` option to `ruff format` ([#9733](https://github.com/astral-sh/ruff/pull/9733)) - Don't trim last empty line in docstrings ([#9813](https://github.com/astral-sh/ruff/pull/9813)) ##### Bug fixes - Skip empty lines when determining base indentation ([#9795](https://github.com/astral-sh/ruff/pull/9795)) - Drop `__get__` and `__set__` from `unnecessary-dunder-call` ([#9791](https://github.com/astral-sh/ruff/pull/9791)) - Respect generic `Protocol` in ellipsis removal ([#9841](https://github.com/astral-sh/ruff/pull/9841)) - Revert "Use publicly available Apple Silicon runners ([#9726](https://github.com/astral-sh/ruff/issues/9726))" ([#9834](https://github.com/astral-sh/ruff/pull/9834)) ##### Performance - Skip LibCST parsing for standard dedent adjustments ([#9769](https://github.com/astral-sh/ruff/pull/9769)) - Remove CST-based fixer for `C408` ([#9822](https://github.com/astral-sh/ruff/pull/9822)) - Add our own ignored-names abstractions ([#9802](https://github.com/astral-sh/ruff/pull/9802)) - Remove CST-based fixers for `C400`, `C401`, `C410`, and `C418` ([#9819](https://github.com/astral-sh/ruff/pull/9819)) - Use `AhoCorasick` to speed up quote match ([#9773](https://github.com/astral-sh/ruff/pull/9773)) - Remove CST-based fixers for `C405` and `C409` ([#9821](https://github.com/astral-sh/ruff/pull/9821)) - Add fast-path for comment detection ([#9808](https://github.com/astral-sh/ruff/pull/9808)) - Invert order of checks in `zero-sleep-call` ([#9766](https://github.com/astral-sh/ruff/pull/9766)) - Short-circuit typing matches based on imports ([#9800](https://github.com/astral-sh/ruff/pull/9800)) - Run dunder method rule on methods directly ([#9815](https://github.com/astral-sh/ruff/pull/9815)) - Track top-level module imports in the semantic model ([#9775](https://github.com/astral-sh/ruff/pull/9775)) - Slight speed-up for lowercase and uppercase identifier checks ([#9798](https://github.com/astral-sh/ruff/pull/9798)) - Remove LibCST-based fixer for `C403` ([#9818](https://github.com/astral-sh/ruff/pull/9818)) ##### Documentation - Update `max-pos-args` example to `max-positional-args` ([#9797](https://github.com/astral-sh/ruff/pull/9797)) - Fixed example code in `weak_cryptographic_key.rs` ([#9774](https://github.com/astral-sh/ruff/pull/9774)) - Fix references to deprecated `ANN` rules in changelog ([#9771](https://github.com/astral-sh/ruff/pull/9771)) - Fix default for `max-positional-args` ([#9838](https://github.com/astral-sh/ruff/pull/9838)) ### [`v0.2.0`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#020) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.1.15...v0.2.0) ##### Breaking changes - The `NURSERY` selector cannot be used anymore - Legacy selection of nursery rules by exact codes is no longer allowed without preview enabled See also, the "Remapped rules" section which may result in disabled rules. ##### Deprecations The following rules are now deprecated: - [`missing-type-self`](https://docs.astral.sh/ruff/rules/missing-type-self/) (`ANN101`) - [`missing-type-cls`](https://docs.astral.sh/ruff/rules/missing-type-cls/) (`ANN102`) The following command line options are now deprecated: - `--show-source`; use `--output-format full` instead - `--no-show-source`; use `--output-format concise` instead - `--output-format text`; use `full` or `concise` instead The following settings have moved and the previous name is deprecated: - `ruff.allowed-confusables` → [`ruff.lint.allowed-confusables`](https://docs.astral.sh//ruff/settings/#lint_allowed-confusables) - `ruff.dummy-variable-rgx` → [`ruff.lint.dummy-variable-rgx`](https://docs.astral.sh//ruff/settings/#lint_dummy-variable-rgx) - `ruff.explicit-preview-rules` → [`ruff.lint.explicit-preview-rules`](https://docs.astral.sh//ruff/settings/#lint_explicit-preview-rules) - `ruff.extend-fixable` → [`ruff.lint.extend-fixable`](https://docs.astral.sh//ruff/settings/#lint_extend-fixable) - `ruff.extend-ignore` → [`ruff.lint.extend-ignore`](https://docs.astral.sh//ruff/settings/#lint_extend-ignore) - `ruff.extend-per-file-ignores` → [`ruff.lint.extend-per-file-ignores`](https://docs.astral.sh//ruff/settings/#lint_extend-per-file-ignores) - `ruff.extend-safe-fixes` → [`ruff.lint.extend-safe-fixes`](https://docs.astral.sh//ruff/settings/#lint_extend-safe-fixes) - `ruff.extend-select` → [`ruff.lint.extend-select`](https://docs.astral.sh//ruff/settings/#lint_extend-select) - `ruff.extend-unfixable` → [`ruff.lint.extend-unfixable`](https://docs.astral.sh//ruff/settings/#lint_extend-unfixable) - `ruff.extend-unsafe-fixes` → [`ruff.lint.extend-unsafe-fixes`](https://docs.astral.sh//ruff/settings/#lint_extend-unsafe-fixes) - `ruff.external` → [`ruff.lint.external`](https://docs.astral.sh//ruff/settings/#lint_external) - `ruff.fixable` → [`ruff.lint.fixable`](https://docs.astral.sh//ruff/settings/#lint_fixable) - `ruff.flake8-annotations` → [`ruff.lint.flake8-annotations`](https://docs.astral.sh//ruff/settings/#lint_flake8-annotations) - `ruff.flake8-bandit` → [`ruff.lint.flake8-bandit`](https://docs.astral.sh//ruff/settings/#lint_flake8-bandit) - `ruff.flake8-bugbear` → [`ruff.lint.flake8-bugbear`](https://docs.astral.sh//ruff/settings/#lint_flake8-bugbear) - `ruff.flake8-builtins` → [`ruff.lint.flake8-builtins`](https://docs.astral.sh//ruff/settings/#lint_flake8-builtins) - `ruff.flake8-comprehensions` → [`ruff.lint.flake8-comprehensions`](https://docs.astral.sh//ruff/settings/#lint_flake8-comprehensions) - `ruff.flake8-copyright` → [`ruff.lint.flake8-copyright`](https://docs.astral.sh//ruff/settings/#lint_flake8-copyright) - `ruff.flake8-errmsg` → [`ruff.lint.flake8-errmsg`](https://docs.astral.sh//ruff/settings/#lint_flake8-errmsg) - `ruff.flake8-gettext` → [`ruff.lint.flake8-gettext`](https://docs.astral.sh//ruff/settings/#lint_flake8-gettext) - `ruff.flake8-implicit-str-concat` → [`ruff.lint.flake8-implicit-str-concat`](https://docs.astral.sh//ruff/settings/#lint_flake8-implicit-str-concat) - `ruff.flake8-import-conventions` → [`ruff.lint.flake8-import-conventions`](https://docs.astral.sh//ruff/settings/#lint_flake8-import-conventions) - `ruff.flake8-pytest-style` → [`ruff.lint.flake8-pytest-style`](https://docs.astral.sh//ruff/settings/#lint_flake8-pytest-style) - `ruff.flake8-quotes` → [`ruff.lint.flake8-quotes`](https://docs.astral.sh//ruff/settings/#lint_flake8-quotes) - `ruff.flake8-self` → [`ruff.lint.flake8-self`](https://docs.astral.sh//ruff/settings/#lint_flake8-self) - `ruff.flake8-tidy-imports` → [`ruff.lint.flake8-tidy-imports`](https://docs.astral.sh//ruff/settings/#lint_flake8-tidy-imports) - `ruff.flake8-type-checking` → [`ruff.lint.flake8-type-checking`](https://docs.astral.sh//ruff/settings/#lint_flake8-type-checking) - `ruff.flake8-unused-arguments` → [`ruff.lint.flake8-unused-arguments`](https://docs.astral.sh//ruff/settings/#lint_flake8-unused-arguments) - `ruff.ignore` → [`ruff.lint.ignore`](https://docs.astral.sh//ruff/settings/#lint_ignore) - `ruff.ignore-init-module-imports` → [`ruff.lint.ignore-init-module-imports`](https://docs.astral.sh//ruff/settings/#lint_ignore-init-module-imports) - `ruff.isort` → [`ruff.lint.isort`](https://docs.astral.sh//ruff/settings/#lint_isort) - `ruff.logger-objects` → [`ruff.lint.logger-objects`](https://docs.astral.sh//ruff/settings/#lint_logger-objects) - `ruff.mccabe` → [`ruff.lint.mccabe`](https://docs.astral.sh//ruff/settings/#lint_mccabe) - `ruff.pep8-naming` → [`ruff.lint.pep8-naming`](https://docs.astral.sh//ruff/settings/#lint_pep8-naming) - `ruff.per-file-ignores` → [`ruff.lint.per-file-ignores`](https://docs.astral.sh//ruff/settings/#lint_per-file-ignores) - `ruff.pycodestyle` → [`ruff.lint.pycodestyle`](https://docs.astral.sh//ruff/settings/#lint_pycodestyle) - `ruff.pydocstyle` → [`ruff.lint.pydocstyle`](https://docs.astral.sh//ruff/settings/#lint_pydocstyle) - `ruff.pyflakes` → [`ruff.lint.pyflakes`](https://docs.astral.sh//ruff/settings/#lint_pyflakes) - `ruff.pylint` → [`ruff.lint.pylint`](https://docs.astral.sh//ruff/settings/#lint_pylint) - `ruff.pyupgrade` → [`ruff.lint.pyupgrade`](https://docs.astral.sh//ruff/settings/#lint_pyupgrade) - `ruff.select` → [`ruff.lint.select`](https://docs.astral.sh//ruff/settings/#lint_select) - `ruff.task-tags` → [`ruff.lint.task-tags`](https://docs.astral.sh//ruff/settings/#lint_task-tags) - `ruff.typing-modules` → [`ruff.lint.typing-modules`](https://docs.astral.sh//ruff/settings/#lint_typing-modules) - `ruff.unfixable` → [`ruff.lint.unfixable`](https://docs.astral.sh//ruff/settings/#lint_unfixable) ##### Remapped rules The following rules have been remapped to new codes: - [`raise-without-from-inside-except`](https://docs.astral.sh/ruff/rules/raise-without-from-inside-except/): `TRY200` to `B904` - [`suspicious-eval-usage`](https://docs.astral.sh/ruff/rules/suspicious-eval-usage/): `PGH001` to `S307` - [`logging-warn`](https://docs.astral.sh/ruff/rules/logging-warn/): `PGH002` to `G010` - [`static-key-dict-comprehension`](https://docs.astral.sh/ruff/rules/static-key-dict-comprehension): `RUF011` to `B035` - [`runtime-string-union`](https://docs.astral.sh/ruff/rules/runtime-string-union): `TCH006` to `TCH010` ##### Stabilizations The following rules have been stabilized and are no longer in preview: - [`trio-timeout-without-await`](https://docs.astral.sh/ruff/rules/trio-timeout-without-await) (`TRIO100`) - [`trio-sync-call`](https://docs.astral.sh/ruff/rules/trio-sync-call) (`TRIO105`) - [`trio-async-function-with-timeout`](https://docs.astral.sh/ruff/rules/trio-async-function-with-timeout) (`TRIO109`) - [`trio-unneeded-sleep`](https://docs.astral.sh/ruff/rules/trio-unneeded-sleep) (`TRIO110`) - [`trio-zero-sleep-call`](https://docs.astral.sh/ruff/rules/trio-zero-sleep-call) (`TRIO115`) - [`unnecessary-escaped-quote`](https://docs.astral.sh/ruff/rules/unnecessary-escaped-quote) (`Q004`) - [`enumerate-for-loop`](https://docs.astral.sh/ruff/rules/enumerate-for-loop) (`SIM113`) - [`zip-dict-keys-and-values`](https://docs.astral.sh/ruff/rules/zip-dict-keys-and-values) (`SIM911`) - [`timeout-error-alias`](https://docs.astral.sh/ruff/rules/timeout-error-alias) (`UP041`) - [`flask-debug-true`](https://docs.astral.sh/ruff/rules/flask-debug-true) (`S201`) - [`tarfile-unsafe-members`](https://docs.astral.sh/ruff/rules/tarfile-unsafe-members) (`S202`) - [`ssl-insecure-version`](https://docs.astral.sh/ruff/rules/ssl-insecure-version) (`S502`) - [`ssl-with-bad-defaults`](https://docs.astral.sh/ruff/rules/ssl-with-bad-defaults) (`S503`) - [`ssl-with-no-version`](https://docs.astral.sh/ruff/rules/ssl-with-no-version) (`S504`) - [`weak-cryptographic-key`](https://docs.astral.sh/ruff/rules/weak-cryptographic-key) (`S505`) - [`ssh-no-host-key-verification`](https://docs.astral.sh/ruff/rules/ssh-no-host-key-verification) (`S507`) - [`django-raw-sql`](https://docs.astral.sh/ruff/rules/django-raw-sql) (`S611`) - [`mako-templates`](https://docs.astral.sh/ruff/rules/mako-templates) (`S702`) - [`generator-return-from-iter-method`](https://docs.astral.sh/ruff/rules/generator-return-from-iter-method) (`PYI058`) - [`runtime-string-union`](https://docs.astral.sh/ruff/rules/runtime-string-union) (`TCH006`) - [`numpy2-deprecation`](https://docs.astral.sh/ruff/rules/numpy2-deprecation) (`NPY201`) - [`quadratic-list-summation`](https://docs.astral.sh/ruff/rules/quadratic-list-summation) (`RUF017`) - [`assignment-in-assert`](https://docs.astral.sh/ruff/rules/assignment-in-assert) (`RUF018`) - [`unnecessary-key-check`](https://docs.astral.sh/ruff/rules/unnecessary-key-check) (`RUF019`) - [`never-union`](https://docs.astral.sh/ruff/rules/never-union) (`RUF020`) - [`direct-logger-instantiation`](https://docs.astral.sh/ruff/rules/direct-logger-instantiation) (`LOG001`) - [`invalid-get-logger-argument`](https://docs.astral.sh/ruff/rules/invalid-get-logger-argument) (`LOG002`) - [`exception-without-exc-info`](https://docs.astral.sh/ruff/rules/exception-without-exc-info) (`LOG007`) - [`undocumented-warn`](https://docs.astral.sh/ruff/rules/undocumented-warn) (`LOG009`) Fixes for the following rules have been stabilized and are now available without preview: - [`triple-single-quotes`](https://docs.astral.sh/ruff/rules/triple-single-quotes) (`D300`) - [`non-pep604-annotation`](https://docs.astral.sh/ruff/rules/non-pep604-annotation) (`UP007`) - [`dict-get-with-none-default`](https://docs.astral.sh/ruff/rules/dict-get-with-none-default) (`SIM910`) - [`in-dict-keys`](https://docs.astral.sh/ruff/rules/in-dict-keys) (`SIM118`) - [`collapsible-else-if`](https://docs.astral.sh/ruff/rules/collapsible-else-if) (`PLR5501`) - [`if-with-same-arms`](https://docs.astral.sh/ruff/rules/if-with-same-arms) (`SIM114`) - [`useless-else-on-loop`](https://docs.astral.sh/ruff/rules/useless-else-on-loop) (`PLW0120`) - [`unnecessary-literal-union`](https://docs.astral.sh/ruff/rules/unnecessary-literal-union) (`PYI030`) - [`unnecessary-spread`](https://docs.astral.sh/ruff/rules/unnecessary-spread) (`PIE800`) - [`error-instead-of-exception`](https://docs.astral.sh/ruff/rules/error-instead-of-exception) (`TRY400`) - [`redefined-while-unused`](https://docs.astral.sh/ruff/rules/redefined-while-unused) (`F811`) - [`duplicate-value`](https://docs.astral.sh/ruff/rules/duplicate-value) (`B033`) - [`multiple-imports-on-one-line`](https://docs.astral.sh/ruff/rules/multiple-imports-on-one-line) (`E401`) - [`non-pep585-annotation`](https://docs.astral.sh/ruff/rules/non-pep585-annotation) (`UP006`) Fixes for the following rules have been promoted from unsafe to safe: - [`unaliased-collections-abc-set-import`](https://docs.astral.sh/ruff/rules/unaliased-collections-abc-set-import) (`PYI025`) The following behaviors have been stabilized: - [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file/) (`E402`) allows `sys.path` modifications between imports - [`reimplemented-container-builtin`](https://docs.astral.sh/ruff/rules/reimplemented-container-builtin/) (`PIE807`) includes lambdas that can be replaced with `dict` - [`unnecessary-placeholder`](https://docs.astral.sh/ruff/rules/unnecessary-placeholder/) (`PIE790`) applies to unnecessary ellipses (`...`) - [`if-else-block-instead-of-dict-get`](https://docs.astral.sh/ruff/rules/if-else-block-instead-of-dict-get/) (`SIM401`) applies to `if-else` expressions ##### Preview features - \[`refurb`] Implement `metaclass_abcmeta` (`FURB180`) ([#9658](https://github.com/astral-sh/ruff/pull/9658)) - Implement `blank_line_after_nested_stub_class` preview style ([#9155](https://github.com/astral-sh/ruff/pull/9155)) - The preview rule [`and-or-ternary`](https://docs.astral.sh/ruff/rules/and-or-ternary) (`PLR1706`) was removed ##### Bug fixes - \[`flake8-async`] Take `pathlib.Path` into account when analyzing async functions ([#9703](https://github.com/astral-sh/ruff/pull/9703)) - \[`flake8-return`] - fix indentation syntax error (`RET505`) ([#9705](https://github.com/astral-sh/ruff/pull/9705)) - Detect multi-statement lines in else removal ([#9748](https://github.com/astral-sh/ruff/pull/9748)) - `RUF022`, `RUF023`: never add two trailing commas to the end of a sequence ([#9698](https://github.com/astral-sh/ruff/pull/9698)) - `RUF023`: Don't sort `__match_args__`, only `__slots__` ([#9724](https://github.com/astral-sh/ruff/pull/9724)) - \[`flake8-simplify`] - Fix syntax error in autofix (`SIM114`) ([#9704](https://github.com/astral-sh/ruff/pull/9704)) - \[`pylint`] Show verbatim constant in `magic-value-comparison` (`PLR2004`) ([#9694](https://github.com/astral-sh/ruff/pull/9694)) - Removing trailing whitespace inside multiline strings is unsafe ([#9744](https://github.com/astral-sh/ruff/pull/9744)) - Support `IfExp` with dual string arms in `invalid-envvar-default` ([#9734](https://github.com/astral-sh/ruff/pull/9734)) - \[`pylint`] Add `__mro_entries__` to known dunder methods (`PLW3201`) ([#9706](https://github.com/astral-sh/ruff/pull/9706)) ##### Documentation - Removed rules are now retained in the documentation ([#9691](https://github.com/astral-sh/ruff/pull/9691)) - Deprecated rules are now indicated in the documentation ([#9689](https://github.com/astral-sh/ruff/pull/9689)) ### [`v0.1.15`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0115) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.1.14...v0.1.15) ##### Preview features - Error when `NURSERY` selector is used with `--preview` ([#9682](https://github.com/astral-sh/ruff/pull/9682)) - Preserve indentation around multiline strings in formatter ([#9637](https://github.com/astral-sh/ruff/pull/9637)) - \[`flake8-return`] Add fixes for all rules (`RET505`, `RET506`, `RET507`, `RET508`) ([#9595](https://github.com/astral-sh/ruff/pull/9595)) - \[`flake8-simplify`] Add fix for `if-with-same-arms` (`SIM114`) ([#9591](https://github.com/astral-sh/ruff/pull/9591)) - \[`pycodestyle`] Add fix for `multiple-imports-on-one-line` (`E401`) ([#9518](https://github.com/astral-sh/ruff/pull/9518)) - \[`pylint`] Add fix for `collapsible-else-if` (`PLR5501`) ([#9594](https://github.com/astral-sh/ruff/pull/9594)) - \[`pylint`] Add fix for `useless-else-on-loop` (`PLW0120`) ([#9590](https://github.com/astral-sh/ruff/pull/9590)) - \[`pylint`] Implement `assigning-non-slot` (`E0237`) ([#9623](https://github.com/astral-sh/ruff/pull/9623)) - \[`pylint`] Implement `potential-index-error` (`PLE0643`) ([#9545](https://github.com/astral-sh/ruff/pull/9545)) - \[`pylint`] Implement `too-many-nested-blocks` (`PLR1702`) ([#9172](https://github.com/astral-sh/ruff/pull/9172)) - \[`ruff`] Add rule to sort `__slots__` and `__match_args__` ([#9564](https://github.com/astral-sh/ruff/pull/9564)) - \[`ruff`] Detect unnecessary `dict` comprehensions for iterables (`RUF025`) ([#9613](https://github.com/astral-sh/ruff/pull/9613)) - \[`ruff`] Guard against use of `default_factory` as a keyword argument (`RUF026`) ([#9651](https://github.com/astral-sh/ruff/pull/9651)) - \[`ruff`] Implement `mutable-fromkeys-value` (`RUF024`) ([#9597](https://github.com/astral-sh/ruff/pull/9597)) ##### CLI - Enable auto-wrapping of `--help` output ([#9633](https://github.com/astral-sh/ruff/pull/9633)) ##### Bug fixes - Avoid rendering display-only rules as fixable ([#9649](https://github.com/astral-sh/ruff/pull/9649)) - Detect automagic-like assignments in notebooks ([#9653](https://github.com/astral-sh/ruff/pull/9653)) - Generate custom JSON schema for dynamic setting ([#9632](https://github.com/astral-sh/ruff/pull/9632)) - \[`flake8-no-pep420`] Include global `--config` when determining namespace packages ([#9603](https://github.com/astral-sh/ruff/pull/9603)) - \[`flake8-pie`] Omit bound tuples passed to `.startswith` or `.endswith` ([#9661](https://github.com/astral-sh/ruff/pull/9661)) - \[`flake8-return`] Avoid panic when fixing inlined else blocks ([#9657](https://github.com/astral-sh/ruff/pull/9657)) - \[`flake8-return`] Consider exception suppression in unnecessary assignment ([#9673](https://github.com/astral-sh/ruff/pull/9673)) - \[`flake8-return`] Take `NoReturn` annotation into account when analyzing implicit returns ([#9636](https://github.com/astral-sh/ruff/pull/9636)) - \[`flake8-simplify`] Support inverted returns in `needless-bool` (`SIM103`) ([#9619](https://github.com/astral-sh/ruff/pull/9619)) - \[`flake8-type-checking`] Add Pydantic's `BaseConfig` to default-copy list ([#9650](https://github.com/astral-sh/ruff/pull/9650)) - \[`flake8-type-checking`] Avoid marking `InitVar` as a typing-only annotation ([#9688](https://github.com/astral-sh/ruff/pull/9688)) - \[`pycodestyle`] Allow `dtype` comparisons in `type-comparison` ([#9676](https://github.com/astral-sh/ruff/pull/9676)) - \[`pydocstyle`] Re-implement `last-line-after-section` (`D413`) ([#9654](https://github.com/astral-sh/ruff/pull/9654)) ##### Documentation - \[`flake8-pytest-style`] Add fix safety documentation for `duplicate-parameterize-test-cases` ([#9678](https://github.com/astral-sh/ruff/pull/9678)) - \[`pylint`] Document `literal-membership` fix safety conditions ([#9677](https://github.com/astral-sh/ruff/pull/9677)) - \[`isort`] Fix reference to `isort` rule code ([#9598](https://github.com/astral-sh/ruff/pull/9598)) ### [`v0.1.14`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0114) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.1.13...v0.1.14) ##### Preview features - \[`flake8-bugbear`] Add fix for `duplicate-value` (`B033`) ([#9510](https://github.com/astral-sh/ruff/pull/9510)) - \[`flake8-simplify`] Implement `enumerate-for-loop` (`SIM113`) ([#7777](https://github.com/astral-sh/ruff/pull/7777)) - \[`pygrep_hooks`] Add fix for `deprecated-log-warn` (`PGH002`) ([#9519](https://github.com/astral-sh/ruff/pull/9519)) - \[`pylint`] Implement `import-private-name` (`C2701`) ([#5920](https://github.com/astral-sh/ruff/pull/5920)) - \[`refurb`] Implement `regex-flag-alias` with fix (`FURB167`) ([#9516](https://github.com/astral-sh/ruff/pull/9516)) - \[`ruff`] Add rule and fix to sort contents of `__all__` (`RUF022`) ([#9474](https://github.com/astral-sh/ruff/pull/9474)) - \[`tryceratops`] Add fix for `error-instead-of-exception` (`TRY400`) ([#9520](https://github.com/astral-sh/ruff/pull/9520)) ##### Rule changes - \[`flake8-pyi`] Fix `PYI047` false negatives on PEP-695 type aliases ([#9566](https://github.com/astral-sh/ruff/pull/9566)) - \[`flake8-pyi`] Fix `PYI049` false negatives on call-based `TypedDict`s ([#9567](https://github.com/astral-sh/ruff/pull/9567)) - \[`pylint`] Exclude `self` and `cls` when counting method arguments (`PLR0917`) ([#9563](https://github.com/astral-sh/ruff/pull/9563)) ##### CLI - `--show-settings` displays active settings in a far more readable format ([#9464](https://github.com/astral-sh/ruff/pull/9464)) - Add `--extension` support to the formatter ([#9483](https://github.com/astral-sh/ruff/pull/9483)) ##### Configuration - Ignore preview status for fixable and unfixable selectors ([#9538](https://github.com/astral-sh/ruff/pull/9538)) - \[`pycodestyle`] Use the configured tab size when expanding indents ([#9506](https://github.com/astral-sh/ruff/pull/9506)) ##### Bug fixes - Recursively visit deferred AST nodes ([#9541](https://github.com/astral-sh/ruff/pull/9541)) - Visit deferred lambdas before type definitions ([#9540](https://github.com/astral-sh/ruff/pull/9540)) - \[`flake8-simplify`] Avoid some more `enumerate-for-loop` false positives (`SIM113`) ([#9515](https://github.com/astral-sh/ruff/pull/9515)) - \[`pandas-vet`] Limit inplace diagnostics to methods that accept inplace ([#9495](https://github.com/astral-sh/ruff/pull/9495)) - \[`pylint`] Add the `__prepare__` method to the list of recognized dunder method ([#9529](https://github.com/astral-sh/ruff/pull/9529)) - \[`pylint`] Ignore unnecessary dunder calls within dunder definitions ([#9496](https://github.com/astral-sh/ruff/pull/9496)) - \[`refurb`] Avoid bailing when `reimplemented-operator` is called on function (`FURB118`) ([#9556](https://github.com/astral-sh/ruff/pull/9556)) - \[`ruff`] Avoid treating named expressions as static keys (`RUF011`) ([#9494](https://github.com/astral-sh/ruff/pull/9494)) ##### Documentation - Add instructions on using `noqa` with isort rules ([#9555](https://github.com/astral-sh/ruff/pull/9555)) - Documentation update for URL giving 'page not found' ([#9565](https://github.com/astral-sh/ruff/pull/9565)) - Fix admonition in dark mode ([#9502](https://github.com/astral-sh/ruff/pull/9502)) - Update contributing docs to use `cargo bench -p ruff_benchmark` ([#9535](https://github.com/astral-sh/ruff/pull/9535)) - Update emacs integration section to include `emacs-ruff-format` ([#9403](https://github.com/astral-sh/ruff/pull/9403)) - \[`flake8-blind-except`] Document exceptions to `blind-except` rule ([#9580](https://github.com/astral-sh/ruff/pull/9580)) ### [`v0.1.13`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0113) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.1.12...v0.1.13) ##### Bug fixes - Include base pyproject when initializing cache settings ([#9480](https://github.com/astral-sh/ruff/pull/9480)) - \[`flake8-simplify`] Account for possibly-empty f-string values in truthiness logic ([#9484](https://github.com/astral-sh/ruff/pull/9484)) - \[`pylint`] Add the missing period in `unnecessary-dunder-call` ([#9485](https://github.com/astral-sh/ruff/pull/9485)) - \[`pylint`] Fix `__aenter__` message in `unnecessary-dunder-call` ([#9492](https://github.com/astral-sh/ruff/pull/9492)) ### [`v0.1.12`](https://github.com/astral-sh/ruff/blob/HEAD/CHANGELOG.md#0112) [Compare Source](https://github.com/astral-sh/ruff/compare/v0.1.11...v0.1.12) ##### Preview features - Formatter: Hug multiline-strings in preview style ([#9243](https://github.com/astral-sh/ruff/pull/9243)) - \[`flake8-bandit`] Add `ssl-with-no-version` (`S504`) ([#9384](https://github.com/astral-sh/ruff/pull/9384)) - \[`flake8-bandit`] Implement `ssl-insecure-version` (`S502`) ([#9390](https://github.com/astral-sh/ruff/pull/9390)) - \[`flake8-bandit`] Implement `ssl-with-bad-defaults` (`S503`) ([#9391](https://github.com/astral-sh/ruff/pull/9391)) - \[`flake8-bandit`] Implement suspicious import rules (`S4XX`) ([#8831](https://github.com/astral-sh/ruff/pull/8831)) - \[`flake8-simplify`] Implement `zip-dict-keys-and-values` (`SIM911`) ([#9460](https://github.com/astral-sh/ruff/pull/9460)) - \[`pyflakes`] Add a fix for `redefined-while-unused` (`F811`) ([#9419](https://github.com/astral-sh/ruff/pull/9419)) - \[`pylint`] Implement `unnecessary-dunder-call` (`C2801`) ([#9166](https://github.com/astral-sh/ruff/pull/9166)) - \[`ruff`] Add `parenthesize-chained-operators` (`RUF021`) to enforce parentheses in `a or b and c` ([#9440](https://github.com/astral-sh/ruff/pull/9440)) ##### Rule changes - \[`flake8-boolean-trap`] Allow Boolean positional arguments in setters ([#9429](https://github.com/astral-sh/ruff/pull/9429)) - \[`flake8-builtins`] Restrict `builtin-attribute-shadowing` (`A003`) to actual shadowed references ([#9462](https://github.com/astral-sh/ruff/pull/9462)) - \[`flake8-pyi`] Add fix for `generator-return-from-iter-method` (`PYI058`) ([#9355](https://github.com/astral-sh/ruff/pull/9355)) - \[`pyflakes`] Don't flag `redefined-while-unused` (`F811`) in `if` branches ([#9418](https://github.com/astral-sh/ruff/pull/9418)) - \[`pyupgrade`] Add some additional Python 3.12 typing members to `deprecated-import` ([#9445](https://github.com/astral-sh/ruff/pull/9445)) - \[`ruff`] Add fix for `parenthesize-chained-operators` (`RUF021`) ([#9449](https://github.com/astral-sh/ruff/pull/9449)) - \[`ruff`] Include subscripts and attributes in static key rule (`RUF011`) ([#9416](https://github.com/astral-sh/ruff/pull/9416)) - \[`ruff`] Support variable keys in static dictionary key rule (`RUF011`) ([#9411](https://github.com/astral-sh/ruff/pull/9411)) ##### Formatter - Generate deterministic IDs when formatting notebooks ([#9359](https://github.com/astral-sh/ruff/pull/9359)) - Allow `# fmt: skip` with interspersed same-line comments ([#9395](https://github.com/astral-sh/ruff/pull/9395)) - Parenthesize breaking named expressions in match guards ([#9396](https://github.com/astral-sh/ruff/pull/9396)) ##### Bug fixes - Add cell indexes to all diagnostics ([#9387](https://github.com/astral-sh/ruff/pull/9387)) - Avoid infinite loop in constant vs. `None` comparisons ([#9376](https://github.com/astral-sh/ruff/pull/9376)) - Handle raises with implicit alternate branches ([#9377](https://github.com/astral-sh/ruff/pull/9377)) - Ignore trailing quotes for unclosed l-brace errors ([#9388](https://github.com/astral-sh/ruff/pull/9388)) - Respect multi-segment submodule imports when resolving qualified names ([#9382](https://github.com/astral-sh/ruff/pull/9382)) - Use `DisplayParseError` for stdin parser errors ([#9409](https://github.com/astral-sh/ruff/pull/9409)) - Use `comment_ranges` for isort directive extraction ([#9414](https://github.com/astral-sh/ruff/pull/9414)) - Use transformed source code for diagnostic locations ([#9408](https://github.com/astral-sh/ruff/pull/9408)) - \[`flake8-pyi`] Exclude `warnings.deprecated` and `typing_extensions.deprecated` arguments ([#9423](https://github.com/astral-sh/ruff/pull/9423)) - \[`flake8-pyi`] Fix false negative for `unused-private-protocol` (`PYI046`) with unused generic protocols ([#9405](https://github.com/astral-sh/ruff/pull/9405)) - \[`pydocstyle`] Disambiguate argument descriptors from section headers ([#9427](https://github.com/astral-sh/ruff/pull/9427)) - \[`pylint`] Homogenize `PLR0914` message to match other `PLR09XX` rules ([#9399](https://github.com/astral-sh/ruff/pull/9399)) - \[`ruff`] Allow `Hashable = None` in type annotations (`RUF013`) ([#9442](https://github.com/astral-sh/ruff/pull/9442)) ##### Documentation - Fix admonition hyperlink colouring ([#9385](https://github.com/astral-sh/ruff/pull/9385)) - Add missing preview link ([#9386](https://github.com/astral-sh/ruff/pull/9386)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

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renovate changed title from ~~Update dependency ruff to v0.7.3~~ to Update dependency ruff to v0.7.4

2024-11-15 12:00:47 +00:00

renovate force-pushed renovate/ruff-0.x from b9aef80e3e to e1839ec68b

2024-11-22 12:01:13 +00:00

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renovate changed title from ~~Update dependency ruff to v0.7.4~~ to Update dependency ruff to v0.8.0

2024-11-22 12:01:18 +00:00

renovate force-pushed renovate/ruff-0.x from e1839ec68b to 7b47c4fac9

2024-11-29 08:00:32 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.0~~ to Update dependency ruff to v0.8.1

2024-11-29 08:00:34 +00:00

renovate force-pushed renovate/ruff-0.x from 7b47c4fac9 to 8e49a44021

2024-12-05 14:00:56 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.1~~ to Update dependency ruff to v0.8.2

2024-12-05 14:00:59 +00:00

renovate force-pushed renovate/ruff-0.x from 8e49a44021 to a22f3e90b7

2024-12-12 16:00:53 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.2~~ to Update dependency ruff to v0.8.3

2024-12-12 16:00:53 +00:00

renovate force-pushed renovate/ruff-0.x from a22f3e90b7 to f995b4ccf5

2024-12-19 14:00:58 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.3~~ to Update dependency ruff to v0.8.4

2024-12-19 14:01:01 +00:00

renovate force-pushed renovate/ruff-0.x from f995b4ccf5 to a10f3f6f53

2025-01-02 14:00:52 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.4~~ to Update dependency ruff to v0.8.5

2025-01-02 14:00:58 +00:00

renovate force-pushed renovate/ruff-0.x from a10f3f6f53 to b865c57e82

2025-01-04 14:01:04 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.5~~ to Update dependency ruff to v0.8.6

2025-01-04 14:01:05 +00:00

renovate force-pushed renovate/ruff-0.x from b865c57e82 to 730a03cdd1

2025-01-09 16:01:04 +00:00

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renovate changed title from ~~Update dependency ruff to v0.8.6~~ to Update dependency ruff to v0.9.0

2025-01-09 16:01:04 +00:00

renovate changed title from ~~Update dependency ruff to v0.9.0~~ to Update dependency ruff to v0.9.1

2025-01-10 20:01:59 +00:00

renovate force-pushed renovate/ruff-0.x from 730a03cdd1 to 7414d7ade6

2025-01-10 20:02:00 +00:00

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renovate force-pushed renovate/ruff-0.x from 7414d7ade6 to eb64fdbed4

2025-01-16 14:00:54 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.1~~ to Update dependency ruff to v0.9.2

2025-01-16 14:00:56 +00:00

renovate force-pushed renovate/ruff-0.x from eb64fdbed4 to d1c307a8a6

2025-01-23 20:01:06 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.2~~ to Update dependency ruff to v0.9.3

2025-01-23 20:01:07 +00:00

renovate changed title from ~~Update dependency ruff to v0.9.3~~ to Update dependency ruff to v0.9.4

2025-01-30 20:00:56 +00:00

renovate force-pushed renovate/ruff-0.x from d1c307a8a6 to 3764b2e2a2

2025-01-30 20:00:57 +00:00

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renovate force-pushed renovate/ruff-0.x from 3764b2e2a2 to 23bef7d9cb

2025-02-06 20:01:54 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.4~~ to Update dependency ruff to v0.9.5

2025-02-06 20:01:57 +00:00

renovate force-pushed renovate/ruff-0.x from 23bef7d9cb to fb2dcda9d0

2025-02-10 14:01:04 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.5~~ to Update dependency ruff to v0.9.6

2025-02-10 14:01:06 +00:00

renovate force-pushed renovate/ruff-0.x from fb2dcda9d0 to cbe8e5b97a

2025-02-20 14:00:56 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.6~~ to Update dependency ruff to v0.9.7

2025-02-20 14:00:57 +00:00

renovate force-pushed renovate/ruff-0.x from cbe8e5b97a to 8063861eb4

2025-02-27 16:01:10 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.7~~ to Update dependency ruff to v0.9.8

2025-02-27 16:01:13 +00:00

renovate changed title from ~~Update dependency ruff to v0.9.8~~ to Update dependency ruff to v0.9.9

2025-02-28 12:01:14 +00:00

renovate force-pushed renovate/ruff-0.x from 8063861eb4 to 38845bcd89

2025-02-28 12:01:16 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.9~~ to Update dependency ruff to v0.9.10

2025-03-07 16:01:03 +00:00

renovate force-pushed renovate/ruff-0.x from 38845bcd89 to 87d22a5206

2025-03-07 16:01:04 +00:00

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renovate force-pushed renovate/ruff-0.x from 87d22a5206 to 15eac8a465

2025-03-13 20:01:26 +00:00

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renovate changed title from ~~Update dependency ruff to v0.9.10~~ to Update dependency ruff to v0.10.0

2025-03-13 20:02:01 +00:00

This pull request can be merged automatically.

You are not authorized to merge this pull request.

View command line instructions

Checkout

From your project repository, check out a new branch and test the changes.

git fetch -u origin renovate/ruff-0.x:renovate/ruff-0.x

git checkout renovate/ruff-0.x

Merge

Merge the changes and update on Forgejo.

Warning: The "Autodetect manual merge" setting is not enabled for this repository, you will have to mark this pull request as manually merged afterwards.

git checkout master

git merge --no-ff renovate/ruff-0.x

git checkout renovate/ruff-0.x

git rebase master

git checkout master

git merge --ff-only renovate/ruff-0.x

git checkout renovate/ruff-0.x

git rebase master

git checkout master

git merge --no-ff renovate/ruff-0.x

git checkout master

git merge --squash renovate/ruff-0.x

git checkout master

git merge --ff-only renovate/ruff-0.x

git checkout master

git merge renovate/ruff-0.x

git push origin master

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