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)