0.5.0
Release Notes
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.
- Follow the XDG specification to discover user-level configurations on macOS (same as on other Unix platforms)
- Selecting
ALLnow excludes deprecated rules - The released archives now include an extra level of nesting, which can be removed with
--strip-components=1when untarring. - The release artifact's file name no longer includes the version tag. This enables users to install via
/latestURLs on GitHub. - The diagnostic ranges for some
flake8-banditrules were modified (#10667).
Deprecations
The following rules are now deprecated:
syntax-error(E999): Syntax errors are now always shown
Remapped rules
The following rules have been remapped to new rule codes:
blocking-http-call-in-async-function:ASYNC100toASYNC210open-sleep-or-subprocess-in-async-function:ASYNC101split intoASYNC220,ASYNC221,ASYNC230, andASYNC251blocking-os-call-in-async-function:ASYNC102has been merged intoASYNC220andASYNC221trio-timeout-without-await:TRIO100toASYNC100trio-sync-call:TRIO105toASYNC105trio-async-function-with-timeout:TRIO109toASYNC109trio-unneeded-sleep:TRIO110toASYNC110trio-zero-sleep-call:TRIO115toASYNC115repeated-isinstance-calls:PLR1701toSIM101
Stabilization
The following rules have been stabilized and are no longer in preview:
mutable-fromkeys-value(RUF024)default-factory-kwarg(RUF026)django-extra(S610)manual-dict-comprehension(PERF403)print-empty-string(FURB105)readlines-in-for(FURB129)if-expr-min-max(FURB136)bit-count(FURB161)redundant-log-base(FURB163)regex-flag-alias(FURB167)isinstance-type-none(FURB168)type-none-comparison(FURB169)implicit-cwd(FURB177)hashlib-digest-hex(FURB181)list-reverse-copy(FURB187)bad-open-mode(PLW1501)empty-comment(PLR2044)global-at-module-level(PLW0604)misplaced-bare-raise(PLE0744)non-ascii-import-name(PLC2403)non-ascii-name(PLC2401)nonlocal-and-global(PLE0115)potential-index-error(PLE0643)redeclared-assigned-name(PLW0128)redefined-argument-from-local(PLR1704)repeated-keyword-argument(PLE1132)super-without-brackets(PLW0245)unnecessary-list-index-lookup(PLR1736)useless-exception-statement(PLW0133)useless-with-lock(PLW2101)
The following behaviors have been stabilized:
is-literal(F632) now warns for identity checks against list, set or dictionary literalsneedless-bool(SIM103) now detectsifexpressions with implicitelsebranchesmodule-import-not-at-top-of-file(E402) now allowsos.environmodifications between import statementstype-comparison(E721) now allows idioms such astype(x) is intyoda-condition(SIM300) now flags a wider range of expressions
Removals
The following deprecated settings have been removed:
output-format=text; useoutput-format=conciseoroutput-format=fulltab-size; useindent-width
The following deprecated CLI options have been removed:
--show-source; use--output-format=full--no-show-source; use--output-format=concise
The following deprecated CLI commands have been removed:
ruff <path>; useruff check <path>ruff --clean; useruff cleanruff --generate-shell-completion; useruff generate-shell-completion
Preview features
- [
ruff] Addassert-with-print-messagerule (#11981)
CLI
- Use rule name rather than message in
--statistics(#11697) - Use the output format
fullby default (#12010) - Don't log syntax errors to the console (#11902)
Rule changes
- [
ruff] Fix false positives ifgettextis imported using an alias (RUF027) (#12025) - [
numpy] Updatetrapzandin1ddeprecation (NPY201) (#11948) - [
flake8-bandit] Modify diagnostic ranges for shell-related rules (#10667)
Server
- Closing an untitled, unsaved notebook document no longer throws an error (#11942)
- Support the usage of tildes and environment variables in
logFile(#11945) - Add option to configure whether to show syntax errors (#12059)
Bug fixes
- [
pycodestyle] AvoidE203for f-string debug expression (#12024) - [
pep8-naming] Match import-name ignores against both name and alias (N812,N817) (#12033) - [
pyflakes] Detect assignments that shadow definitions (F811) (#11961)
Parser
- Emit a syntax error for an empty type parameter list (#12030)
- Avoid consuming the newline for unterminated strings (#12067)
- Do not include the newline in the unterminated string range (#12017)
- Use the correct range to highlight line continuation errors (#12016)
- Consider 2-character EOL before line continuations (#12035)
- Consider line continuation character for re-lexing (#12008)
Other changes
- Upgrade the Unicode table used for measuring the line-length (#11194)
- Remove the deprecation error message for the nursery selector (#10172)
Contributors
- @AlexWaygood
- @MichaReiser
- @Peiffap
- @R1kaB3rN
- @baggiponte
- @charliermarsh
- @dedebenui
- @denwong47
- @dhruvmanila
- @ericbn
- @relausen
- @renovate
- @snowsignal
- @ukyen8
- @wyardley
- @tibor-reiss
- @T-256
- @WindowGenerator
- @augustelalande
Install ruff 0.5.0
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ruff/releases/download/0.5.0/ruff-installer.sh | shInstall prebuilt binaries via powershell script
powershell -c "irm https://github.com/astral-sh/ruff/releases/download/0.5.0/ruff-installer.ps1 | iex"