Release Notes
Preview features
- [
flake8-errmsg] Extend EM101 to support byte strings (#18867)
- [
flake8-use-pathlib] Add autofix for PTH202 (#18763)
- [
pygrep-hooks] Add AsyncMock methods to invalid-mock-access (PGH005) (#18547)
- [
pylint] Ignore __init__.py files in (PLC0414) (#18400)
- [
ruff] Trigger RUF037 for empty string and byte strings (#18862)
- [formatter] Fix missing blank lines before decorated classes in
.pyi files (#18888)
Bug fixes
- Avoid generating diagnostics with per-file ignores (#18801)
- Handle parenthesized arguments in
remove_argument (#18805)
- [
flake8-logging] Avoid false positive for exc_info=True outside logger.exception (LOG014) (#18737)
- [
flake8-pytest-style] Enforce pytest import for decorators (#18779)
- [
flake8-pytest-style] Mark autofix for PT001 and PT023 as unsafe if there's comments in the decorator (#18792)
- [
flake8-pytest-style] PT001/PT023 fix makes syntax error on parenthesized decorator (#18782)
- [
flake8-raise] Make fix unsafe if it deletes comments (RSE102) (#18788)
- [
flake8-simplify] Fix SIM911 autofix creating a syntax error (#18793)
- [
flake8-simplify] Fix false negatives for shadowed bindings (SIM910, SIM911) (#18794)
- [
flake8-simplify] Preserve original behavior for except () and bare except (SIM105) (#18213)
- [
flake8-pyi] Fix PYI041's fix causing TypeError with None | None | ... (#18637)
- [
perflint] Fix PERF101 autofix creating a syntax error and mark autofix as unsafe if there are comments in the list call expr (#18803)
- [
perflint] Fix false negative in PERF401 (#18866)
- [
pylint] Avoid flattening nested min/max when outer call has single argument (PLW3301) (#16885)
- [
pylint] Fix PLC2801 autofix creating a syntax error (#18857)
- [
pylint] Mark PLE0241 autofix as unsafe if there's comments in the base classes (#18832)
- [
pylint] Suppress PLE2510/PLE2512/PLE2513/PLE2514/PLE2515 autofix if the text contains an odd number of backslashes (#18856)
- [
refurb] Detect more exotic float literals in FURB164 (#18925)
- [
refurb] Fix FURB163 autofix creating a syntax error for yield expressions (#18756)
- [
refurb] Mark FURB129 autofix as unsafe if there's comments in the readlines call (#18858)
- [
ruff] Fix false positives and negatives in RUF010 (#18690)
- Fix casing of
analyze.direction variant names (#18892)
Rule changes
- Fix f-string interpolation escaping in generated fixes (#18882)
- [
flake8-return] Mark RET501 fix unsafe if comments are inside (#18780)
- [
flake8-async] Fix detection for large integer sleep durations in ASYNC116 rule (#18767)
- [
flake8-async] Mark autofix for ASYNC115 as unsafe if the call expression contains comments (#18753)
- [
flake8-bugbear] Mark autofix for B004 as unsafe if the hasattr call expr contains comments (#18755)
- [
flake8-comprehension] Mark autofix for C420 as unsafe if there's comments inside the dict comprehension (#18768)
- [
flake8-comprehensions] Handle template strings for comprehension fixes (#18710)
- [
flake8-future-annotations] Add autofix (FA100) (#18903)
- [
pyflakes] Mark F504/F522/F523 autofix as unsafe if there's a call with side effect (#18839)
- [
pylint] Allow fix with comments and document performance implications (PLW3301) (#18936)
- [
pylint] Detect more exotic NaN literals in PLW0177 (#18630)
- [
pylint] Fix PLC1802 autofix creating a syntax error and mark autofix as unsafe if there's comments in the len call (#18836)
- [
pyupgrade] Extend version detection to include sys.version_info.major (UP036) (#18633)
- [
ruff] Add lint rule RUF064 for calling chmod with non-octal integers (#18541)
- [
ruff] Added cls.__dict__.get('__annotations__') check (RUF063) (#18233)
- [
ruff] Frozen dataclass default should be valid (RUF009) (#18735)
Server
- Consider virtual path for various server actions (#18910)
Documentation
- Add fix safety sections (#18940,#18841,#18802,#18837,#18800,#18415,#18853,#18842)
- Use updated pre-commit id (#18718)
- [
perflint] Small docs improvement to PERF401 (#18786)
- [
pyupgrade]: Use super(), not __super__ in error messages (UP008) (#18743)
- [
flake8-pie] Small docs fix to PIE794 (#18829)
- [
flake8-pyi] Correct collections-named-tuple example to use PascalCase assignment (#16884)
- [
flake8-pie] Add note on type checking benefits to unnecessary-dict-kwargs (PIE804) (#18666)
- [
pycodestyle] Clarify PEP 8 relationship to whitespace-around-operator rules (#18870)
Other changes
- Disallow newlines in format specifiers of single quoted f- or t-strings (#18708)
- [
flake8-logging] Add fix safety section to LOG002 (#18840)
- [
pyupgrade] Add fix safety section to UP010 (#18838)
Contributors
Install ruff 0.12.1
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ruff/releases/download/0.12.1/ruff-installer.sh | sh
Install prebuilt binaries via powershell script
powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ruff/releases/download/0.12.1/ruff-installer.ps1 | iex"
Download ruff 0.12.1