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Releases: astral-sh/ruff

v0.3.5

01 Apr 17:41
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v0.3.5
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v0.3.5

Changes

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)

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Assets 34

v0.3.4

23 Mar 13:29
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v0.3.4
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v0.3.4

Changes

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)

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Assets 34

v0.3.3

15 Mar 18:13
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v0.3.3
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v0.3.3

Changes

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)

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Assets 34

v0.3.2

09 Mar 01:24
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v0.3.2
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v0.3.2

Changes

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)

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Assets 34

v0.3.1

06 Mar 22:47
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v0.3.1
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v0.3.1

Changes

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)

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Assets 34

v0.3.0

29 Feb 15:30
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v0.3.0
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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.

Changes

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)

Contributors

Assets 34

v0.2.2

17 Feb 22:41
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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.

Changes

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)

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Assets 34

v0.2.1

05 Feb 22:46
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v0.2.1

Changes

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)

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Assets 34

v0.2.0

01 Feb 23:32
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v0.2.0
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v0.2.0

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

Changes

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:

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:

Remapped rules

The following rules have been remapped to new codes:

Stabilizations

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

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

Read more
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v0.1.15

30 Jan 00:46
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v0.1.15
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v0.1.15

Changes

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)

Contributors

Assets 34