fix(deps): update dependency ruff to v0.8.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	==0.4.5 -> ==0.8.4

---

Release Notes

astral-sh/ruff (ruff)

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-argument (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)

v0.6.1

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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 (E303)
• self-or-cls-assignment (PLW0642)
• byte-string-usage (PYI057)
• duplicate-literal-member (PYI062)
• redirected-noqa (RUF101)

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[github-actions]

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[github-actions]

This PR is stale because it has been open 1+ days with no activity. Feel free to either 1) remove the stale label or 2) comment. If nothing happens, this will be closed in 7 days.