Release Notes
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)
Contributors
Install ruff 0.9.5
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ruff/releases/download/0.9.5/ruff-installer.sh | sh
Install prebuilt binaries via powershell script
powershell -ExecutionPolicy ByPass -c "irm https://github.com/astral-sh/ruff/releases/download/0.9.5/ruff-installer.ps1 | iex"
Download ruff 0.9.5
