Support formatting pycon markdown code blocks#23112
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Still needs tests |
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ntBre
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Feb 6, 2026
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I wan to take a closer look at how this works in the docstring formatting, but this looks plausible to me in general.
Typing conformance resultsNo changes detected ✅ |
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ntBre
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Feb 6, 2026
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I managed to come up with a few nits, but this looks good to me overall. The main things I'm worried about are the trailing whitespace and the ruff_formatter dependency (sorry again about that one!).
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| let offset = FIRST_LINE.text_len(); | ||
| let mut changed = false; | ||
| let mut result = String::with_capacity(source.len()); |
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We might actually want to skip this with_capacity call since String::new() won't allocate at all in the case that nothing changes and we're able to return None.
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Should I do the same thing in format_code_blocks above? Is there a way to "initialize with full capacity only once needed"?
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It's probably not a big deal either way, but yeah I guess you could do the same in format_code_blocks. I don't think there's a nice way to initialize only if needed. There's reserve, but that's not quite the same.
I think it's fine to leave this as-is.
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| while let Some(next_line) = lines.peek() { | ||
| if next_line.starts_with(CONTINUATION) { | ||
| end = next_line.full_end(); | ||
| unformatted.push_str(&source[TextRange::new(next_line.start() + offset, end)]); | ||
| lines.next(); | ||
| } else { | ||
| break; | ||
| } | ||
| } |
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Suggested change
| while let Some(next_line) = lines.peek() { | |
| if next_line.starts_with(CONTINUATION) { | |
| end = next_line.full_end(); | |
| unformatted.push_str(&source[TextRange::new(next_line.start() + offset, end)]); | |
| lines.next(); | |
| } else { | |
| break; | |
| } | |
| } | |
| while let Some(next_line) = lines.next_if(|line| line.starts_with(CONTINUATION)) { | |
| end = next_line.full_end(); | |
| unformatted.push_str(&source[TextRange::new(next_line.start() + offset, end)]); | |
| } |
I think you can simplify this slightly with the next_if helper.
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I'm not sure if I like this as much once I had to add logic to deal with empty continuation lines (ie, no space after the "...") 🤔
What do you think? 257b0ae
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That commit looks fine to me! What don't you like about it?
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mostly that it didn't feel "simpler" at this point, but ¯_(ツ)_/¯
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* main: (45 commits) [ty] Fix wrong inlay hints for overloaded function arguments (astral-sh#23179) [ty] Respect `@no_type_check` when combined with other decorators (astral-sh#23177) [ty] Use type context when inferring constructor argument types (astral-sh#23139) [`airflow`] Add ruff rules to catch deprecated attribute access from context key for Airflow 3.0 (`AIR301`) (astral-sh#22850) Support formatting `pycon` markdown code blocks (astral-sh#23112) Markdown formatting in LSP (astral-sh#23063) Instruct Claude to use comments more sparingly (astral-sh#23181) [`flake8-gettext`] Fix false negatives for plural argument of ngettext (`INT001`, `INT002`, `INT003`) (astral-sh#21078) [ty] Invoking goto-def on parentheses of a class constructor call takes you too constructor method [ty] Make goto definition on class constructor always go to class definition [ty] Assign lower completions ranking to deprecated functions and classes (astral-sh#23089) [ty] Fix parameter references across files via keyword args (astral-sh#23012) [ty] Exclude enclosing class for base completions (astral-sh#23141) [`pyupgrade`] Fix syntax error on string with newline escape and comment (`UP037`) (astral-sh#22968) [ty] Improve documentation for `expect_single_definition` method (astral-sh#23175) [ty] Configure check mode for all projects Add `home-assistant` to ecosystem projects (astral-sh#23132) Add tabbed shell completion documentation (astral-sh#23169) Bump typing conformance-suite pin (astral-sh#23174) [ty] Fix invalid diagnostic location for a sub-call to a specialized ParamSpec (astral-sh#23036) ...
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Released on 2026-03-19. - Display output severity in preview ([#23845](astral-sh/ruff#23845)) - Don't show `noqa` hover for non-Python documents ([#24040](astral-sh/ruff#24040)) - \[`pycodestyle`] Recognize `pyrefly:` as a pragma comment (`E501`) ([#24019](astral-sh/ruff#24019)) - Don't return code actions for non-Python documents ([#23905](astral-sh/ruff#23905)) - Add company AI policy to contributing guide ([#24021](astral-sh/ruff#24021)) - Document editor features for Markdown code formatting ([#23924](astral-sh/ruff#23924)) - \[`pylint`] Improve phrasing (`PLC0208`) ([#24033](astral-sh/ruff#24033)) - Use PEP 639 license information ([#19661](astral-sh/ruff#19661)) - [@tmimmanuel](https://github.com/tmimmanuel) - [@DimitriPapadopoulos](https://github.com/DimitriPapadopoulos) - [@amyreese](https://github.com/amyreese) - [@statxc](https://github.com/statxc) - [@dylwil3](https://github.com/dylwil3) - [@hunterhogan](https://github.com/hunterhogan) - [@renovate](https://github.com/renovate) Released on 2026-03-12. - Add support for `lazy` import parsing ([#23755](astral-sh/ruff#23755)) - Add support for star-unpacking of comprehensions (PEP 798) ([#23788](astral-sh/ruff#23788)) - Reject semantic syntax errors for lazy imports ([#23757](astral-sh/ruff#23757)) - Drop a few rules from the preview default set ([#23879](astral-sh/ruff#23879)) - \[`airflow`] Flag `Variable.get()` calls outside of task execution context (`AIR003`) ([#23584](astral-sh/ruff#23584)) - \[`airflow`] Flag runtime-varying values in DAG/task constructor arguments (`AIR304`) ([#23631](astral-sh/ruff#23631)) - \[`flake8-bugbear`] Implement `delattr-with-constant` (`B043`) ([#23737](astral-sh/ruff#23737)) - \[`flake8-tidy-imports`] Add `TID254` to enforce lazy imports ([#23777](astral-sh/ruff#23777)) - \[`flake8-tidy-imports`] Allow users to ban lazy imports with `TID254` ([#23847](astral-sh/ruff#23847)) - \[`isort`] Retain `lazy` keyword when sorting imports ([#23762](astral-sh/ruff#23762)) - \[`pyupgrade`] Add `from __future__ import annotations` automatically (`UP006`) ([#23260](astral-sh/ruff#23260)) - \[`refurb`] Support `newline` parameter in `FURB101` for Python 3.13+ ([#23754](astral-sh/ruff#23754)) - \[`ruff`] Add `os-path-commonprefix` (`RUF071`) ([#23814](astral-sh/ruff#23814)) - \[`ruff`] Add unsafe fix for os-path-commonprefix (`RUF071`) ([#23852](astral-sh/ruff#23852)) - \[`ruff`] Limit `RUF036` to typing contexts; make it unsafe for non-typing-only ([#23765](astral-sh/ruff#23765)) - \[`ruff`] Use starred unpacking for `RUF017` in Python 3.15+ ([#23789](astral-sh/ruff#23789)) - Fix `--add-noqa` creating unwanted leading whitespace ([#23773](astral-sh/ruff#23773)) - Fix `--add-noqa` breaking shebangs ([#23577](astral-sh/ruff#23577)) - \[formatter] Fix lambda body formatting for multiline calls and subscripts ([#23866](astral-sh/ruff#23866)) - \[formatter] Preserve required annotation parentheses in annotated assignments ([#23865](astral-sh/ruff#23865)) - \[formatter] Preserve type-expression parentheses in the formatter ([#23867](astral-sh/ruff#23867)) - \[`flake8-annotations`] Fix stack overflow in `ANN401` on quoted annotations with escape sequences ([#23912](astral-sh/ruff#23912)) - \[`pep8-naming`] Check naming conventions in `match` pattern bindings (`N806`, `N815`, `N816`) ([#23899](astral-sh/ruff#23899)) - \[`perflint`] Fix comment duplication in fixes (`PERF401`, `PERF403`) ([#23729](astral-sh/ruff#23729)) - \[`pyupgrade`] Properly trigger `super` change in nested class (`UP008`) ([#22677](astral-sh/ruff#22677)) - \[`ruff`] Avoid syntax errors in `RUF036` fixes ([#23764](astral-sh/ruff#23764)) - \[`flake8-bandit`] Flag `S501` with `requests.request` ([#23873](astral-sh/ruff#23873)) - \[`flake8-executable`] Fix WSL detection in non-Docker containers ([#22879](astral-sh/ruff#22879)) - \[`flake8-print`] Ignore `pprint` calls with `stream=` ([#23787](astral-sh/ruff#23787)) - Update docs for Markdown code block formatting ([#23871](astral-sh/ruff#23871)) - \[`flake8-bugbear`] Fix misleading description for `B904` ([#23731](astral-sh/ruff#23731)) - [@zsol](https://github.com/zsol) - [@carljm](https://github.com/carljm) - [@ntBre](https://github.com/ntBre) - [@Bortlesboat](https://github.com/Bortlesboat) - [@sososonia-cyber](https://github.com/sososonia-cyber) - [@chirizxc](https://github.com/chirizxc) - [@leandrobbraga](https://github.com/leandrobbraga) - [@11happy](https://github.com/11happy) - [@Acelogic](https://github.com/Acelogic) - [@anishgirianish](https://github.com/anishgirianish) - [@amyreese](https://github.com/amyreese) - [@xvchris](https://github.com/xvchris) - [@charliermarsh](https://github.com/charliermarsh) - [@getehen](https://github.com/getehen) - [@Dev-iL](https://github.com/Dev-iL) Released on 2026-03-05. - Discover Markdown files by default in preview mode ([#23434](astral-sh/ruff#23434)) - \[`perflint`] Extend `PERF102` to comprehensions and generators ([#23473](astral-sh/ruff#23473)) - \[`refurb`] Fix `FURB101` and `FURB103` false positives when I/O variable is used later ([#23542](astral-sh/ruff#23542)) - \[`ruff`] Add fix for `none-not-at-end-of-union` (`RUF036`) ([#22829](astral-sh/ruff#22829)) - \[`ruff`] Fix false positive for `re.split` with empty string pattern (`RUF055`) ([#23634](astral-sh/ruff#23634)) - \[`fastapi`] Handle callable class dependencies with `__call__` method (`FAST003`) ([#23553](astral-sh/ruff#23553)) - \[`pydocstyle`] Fix numpy section ordering (`D420`) ([#23685](astral-sh/ruff#23685)) - \[`pyflakes`] Fix false positive for names shadowing re-exports (`F811`) ([#23356](astral-sh/ruff#23356)) - \[`pyupgrade`] Avoid inserting redundant `None` elements in `UP045` ([#23459](astral-sh/ruff#23459)) - Document extension mapping for Markdown code formatting ([#23574](astral-sh/ruff#23574)) - Update default Python version examples ([#23605](astral-sh/ruff#23605)) - Publish releases to Astral mirror ([#23616](astral-sh/ruff#23616)) - [@amyreese](https://github.com/amyreese) - [@stakeswky](https://github.com/stakeswky) - [@chirizxc](https://github.com/chirizxc) - [@anishgirianish](https://github.com/anishgirianish) - [@bxff](https://github.com/bxff) - [@zsol](https://github.com/zsol) - [@charliermarsh](https://github.com/charliermarsh) - [@ntBre](https://github.com/ntBre) - [@kar-ganap](https://github.com/kar-ganap) Released on 2026-02-26. This is a follow-up release to 0.15.3 that resolves a panic when the new rule `PLR1712` was enabled with any rule that analyzes definitions, such as many of the `ANN` or `D` rules. - Fix panic on access to definitions after analyzing definitions ([#23588](astral-sh/ruff#23588)) - \[`pyflakes`] Suppress false positive in `F821` for names used before `del` in stub files ([#23550](astral-sh/ruff#23550)) - Clarify first-party import detection in Ruff ([#23591](astral-sh/ruff#23591)) - Fix incorrect `import-heading` example ([#23568](astral-sh/ruff#23568)) - [@stakeswky](https://github.com/stakeswky) - [@ntBre](https://github.com/ntBre) - [@thejcannon](https://github.com/thejcannon) - [@GeObts](https://github.com/GeObts) Released on 2026-02-26. - Drop explicit support for `.qmd` file extension ([#23572](astral-sh/ruff#23572)) This can now be enabled instead by setting the [`extension`](https://docs.astral.sh/ruff/settings/#extension) option: ```toml # ruff.toml extension = { qmd = "markdown" } # pyproject.toml [tool.ruff] extension = { qmd = "markdown" } ``` - Include configured extensions in file discovery ([#23400](astral-sh/ruff#23400)) - \[`flake8-bandit`] Allow suspicious imports in `TYPE_CHECKING` blocks (`S401`-`S415`) ([#23441](astral-sh/ruff#23441)) - \[`flake8-bugbear`] Allow `B901` in pytest hook wrappers ([#21931](astral-sh/ruff#21931)) - \[`flake8-import-conventions`] Add missing conventions from upstream (`ICN001`, `ICN002`) ([#21373](astral-sh/ruff#21373)) - \[`pydocstyle`] Add rule to enforce docstring section ordering (`D420`) ([#23537](astral-sh/ruff#23537)) - \[`pylint`] Implement `swap-with-temporary-variable` (`PLR1712`) ([#22205](astral-sh/ruff#22205)) - \[`ruff`] Add `unnecessary-assign-before-yield` (`RUF070`) ([#23300](astral-sh/ruff#23300)) - \[`ruff`] Support file-level noqa in `RUF102` ([#23535](astral-sh/ruff#23535)) - \[`ruff`] Suppress diagnostic for invalid f-strings before Python 3.12 (`RUF027`) ([#23480](astral-sh/ruff#23480)) - \[`flake8-bandit`] Don't flag `BaseLoader`/`CBaseLoader` as unsafe (`S506`) ([#23510](astral-sh/ruff#23510)) - Avoid infinite loop between `I002` and `PYI025` ([#23352](astral-sh/ruff#23352)) - \[`pyflakes`] Fix false positive for `@overload` from `lint.typing-modules` (`F811`) ([#23357](astral-sh/ruff#23357)) - \[`pyupgrade`] Fix false positive for `TypeVar` default before Python 3.12 (`UP046`) ([#23540](astral-sh/ruff#23540)) - \[`pyupgrade`] Fix handling of `\N` in raw strings (`UP032`) ([#22149](astral-sh/ruff#22149)) - Render sub-diagnostics in the GitHub output format ([#23455](astral-sh/ruff#23455)) - \[`flake8-bugbear`] Tag certain `B007` diagnostics as unnecessary ([#23453](astral-sh/ruff#23453)) - \[`ruff`] Ignore unknown rule codes in `RUF100` ([#23531](astral-sh/ruff#23531)) These are now flagged by [`RUF102`](https://docs.astral.sh/ruff/rules/invalid-rule-code/) instead. - Fix missing settings links for several linters ([#23519](astral-sh/ruff#23519)) - Update isort action comments heading ([#23515](astral-sh/ruff#23515)) - \[`pydocstyle`] Fix double comma in description of `D404` ([#23440](astral-sh/ruff#23440)) - Update the Python module (notably `find_ruff_bin`) for parity with uv ([#23406](astral-sh/ruff#23406)) - [@zanieb](https://github.com/zanieb) - [@o1x3](https://github.com/o1x3) - [@assadyousuf](https://github.com/assadyousuf) - [@kar-ganap](https://github.com/kar-ganap) - [@denyszhak](https://github.com/denyszhak) - [@amyreese](https://github.com/amyreese) - [@carljm](https://github.com/carljm) - [@anishgirianish](https://github.com/anishgirianish) - [@Bnyro](https://github.com/Bnyro) - [@danparizher](https://github.com/danparizher) - [@ntBre](https://github.com/ntBre) - [@gcomneno](https://github.com/gcomneno) - [@jaap3](https://github.com/jaap3) - [@stakeswky](https://github.com/stakeswky) Released on 2026-02-19. - Expand the default rule set ([#23385](astral-sh/ruff#23385)) In preview, Ruff now enables a significantly expanded default rule set of 412 rules, up from the stable default set of 59 rules. The new rules are mostly a superset of the stable defaults, with the exception of these rules, which are removed from the preview defaults: - [`multiple-imports-on-one-line`](https://docs.astral.sh/ruff/rules/multiple-imports-on-one-line) (`E401`) - [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file) (`E402`) - [`module-import-not-at-top-of-file`](https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file) (`E701`) - [`multiple-statements-on-one-line-semicolon`](https://docs.astral.sh/ruff/rules/multiple-statements-on-one-line-semicolon) (`E702`) - [`useless-semicolon`](https://docs.astral.sh/ruff/rules/useless-semicolon) (`E703`) - [`none-comparison`](https://docs.astral.sh/ruff/rules/none-comparison) (`E711`) - [`true-false-comparison`](https://docs.astral.sh/ruff/rules/true-false-comparison) (`E712`) - [`not-in-test`](https://docs.astral.sh/ruff/rules/not-in-test) (`E713`) - [`not-is-test`](https://docs.astral.sh/ruff/rules/not-is-test) (`E714`) - [`type-comparison`](https://docs.astral.sh/ruff/rules/type-comparison) (`E721`) - [`lambda-assignment`](https://docs.astral.sh/ruff/rules/lambda-assignment) (`E731`) - [`ambiguous-variable-name`](https://docs.astral.sh/ruff/rules/ambiguous-variable-name) (`E741`) - [`ambiguous-class-name`](https://docs.astral.sh/ruff/rules/ambiguous-class-name) (`E742`) - [`ambiguous-function-name`](https://docs.astral.sh/ruff/rules/ambiguous-function-name) (`E743`) - [`undefined-local-with-import-star`](https://docs.astral.sh/ruff/rules/undefined-local-with-import-star) (`F403`) - [`undefined-local-with-import-star-usage`](https://docs.astral.sh/ruff/rules/undefined-local-with-import-star-usage) (`F405`) - [`undefined-local-with-nested-import-star-usage`](https://docs.astral.sh/ruff/rules/undefined-local-with-nested-import-star-usage) (`F406`) - [`forward-annotation-syntax-error`](https://docs.astral.sh/ruff/rules/forward-annotation-syntax-error) (`F722`) If you use preview and prefer the old defaults, you can restore them with configuration like: ```toml # ruff.toml [lint] select = ["E4", "E7", "E9", "F"] # pyproject.toml [tool.ruff.lint] select = ["E4", "E7", "E9", "F"] ``` If you do give them a try, feel free to share your feedback in the [GitHub discussion](astral-sh/ruff#23203)! - \[`flake8-pyi`] Also check string annotations (`PYI041`) ([#19023](astral-sh/ruff#19023)) - \[`flake8-async`] Fix `in_async_context` logic ([#23426](astral-sh/ruff#23426)) - \[`ruff`] Fix for `RUF102` should delete entire comment ([#23380](astral-sh/ruff#23380)) - \[`ruff`] Suppress diagnostic for strings with backslashes in interpolations before Python 3.12 (`RUF027`) ([#21069](astral-sh/ruff#21069)) - \[`flake8-bugbear`] Fix `B023` false positive for immediately-invoked lambdas ([#23294](astral-sh/ruff#23294)) - \[parser] Fix false syntax error for match-like annotated assignments ([#23297](astral-sh/ruff#23297)) - \[parser] Fix indentation tracking after line continuations ([#23417](astral-sh/ruff#23417)) - \[`flake8-executable`] Allow global flags in uv shebangs (`EXE003`) ([#22582](astral-sh/ruff#22582)) - \[`pyupgrade`] Fix handling of `typing.{io,re}` (`UP035`) ([#23131](astral-sh/ruff#23131)) - \[`ruff`] Detect `PLC0207` on chained `str.split()` calls ([#23275](astral-sh/ruff#23275)) - Remove invalid inline `noqa` warning ([#23270](astral-sh/ruff#23270)) - Add extension mapping to configuration file options ([#23384](astral-sh/ruff#23384)) - Add `Q004` to the list of conflicting rules ([#23340](astral-sh/ruff#23340)) - \[`ruff`] Expand `lint.external` docs and add sub-diagnostic (`RUF100`, `RUF102`) ([#23268](astral-sh/ruff#23268)) - [@dylwil3](https://github.com/dylwil3) - [@Jkhall81](https://github.com/Jkhall81) - [@danparizher](https://github.com/danparizher) - [@dhruvmanila](https://github.com/dhruvmanila) - [@harupy](https://github.com/harupy) - [@ngnpope](https://github.com/ngnpope) - [@amyreese](https://github.com/amyreese) - [@kar-ganap](https://github.com/kar-ganap) - [@robsdedude](https://github.com/robsdedude) - [@shaanmajid](https://github.com/shaanmajid) - [@ntBre](https://github.com/ntBre) - [@toslunar](https://github.com/toslunar) Released on 2026-02-12. - \[`airflow`] Add ruff rules to catch deprecated Airflow imports for Airflow 3.1 (`AIR321`) ([#22376](astral-sh/ruff#22376)) - \[`airflow`] Third positional parameter not named `ti_key` should be flagged for `BaseOperatorLink.get_link` (`AIR303`) ([#22828](astral-sh/ruff#22828)) - \[`flake8-gettext`] Fix false negatives for plural argument of `ngettext` (`INT001`, `INT002`, `INT003`) ([#21078](astral-sh/ruff#21078)) - \[`pyflakes`] Fix infinite loop in preview fix for `unused-import` (`F401`) ([#23038](astral-sh/ruff#23038)) - \[`pygrep-hooks`] Detect non-existent mock methods in standalone expressions (`PGH005`) ([#22830](astral-sh/ruff#22830)) - \[`pylint`] Allow dunder submodules and improve diagnostic range (`PLC2701`) ([#22804](astral-sh/ruff#22804)) - \[`pyupgrade`] Improve diagnostic range for tuples (`UP024`) ([#23013](astral-sh/ruff#23013)) - \[`refurb`] Check subscripts in tuple do not use lambda parameters in `reimplemented-operator` (`FURB118`) ([#23079](astral-sh/ruff#23079)) - \[`ruff`] Detect mutable defaults in `field` calls (`RUF008`) ([#23046](astral-sh/ruff#23046)) - \[`ruff`] Ignore std `cmath.inf` (`RUF069`) ([#23120](astral-sh/ruff#23120)) - \[`ruff`] New rule `float-equality-comparison` (`RUF069`) ([#20585](astral-sh/ruff#20585)) - Don't format unlabeled Markdown code blocks ([#23106](astral-sh/ruff#23106)) - Markdown formatting support in LSP ([#23063](astral-sh/ruff#23063)) - Support Quarto Markdown language markers ([#22947](astral-sh/ruff#22947)) - Support formatting `pycon` Markdown code blocks ([#23112](astral-sh/ruff#23112)) - Use extension mapping to select Markdown code block language ([#22934](astral-sh/ruff#22934)) - Avoid false positive for undefined variables in `FAST001` ([#23224](astral-sh/ruff#23224)) - Avoid introducing syntax errors for `FAST003` autofix ([#23227](astral-sh/ruff#23227)) - Avoid suggesting `InitVar` for `__post_init__` that references PEP 695 type parameters ([#23226](astral-sh/ruff#23226)) - Deduplicate type variables in generic functions ([#23225](astral-sh/ruff#23225)) - Fix exception handler parenthesis removal for Python 3.14+ ([#23126](astral-sh/ruff#23126)) - Fix f-string middle panic when parsing t-strings ([#23232](astral-sh/ruff#23232)) - Wrap `RUF020` target for multiline fixes ([#23210](astral-sh/ruff#23210)) - Wrap `UP007` target for multiline fixes ([#23208](astral-sh/ruff#23208)) - Fix missing diagnostics for last range suppression in file ([#23242](astral-sh/ruff#23242)) - \[`pyupgrade`] Fix syntax error on string with newline escape and comment (`UP037`) ([#22968](astral-sh/ruff#22968)) - Use `ruff` instead of `Ruff` as the program name in GitHub output format ([#23240](astral-sh/ruff#23240)) - \[`PT006`] Fix syntax error when unpacking nested tuples in `parametrize` fixes ([#22441](astral-sh/ruff#22441)) ([#22464](astral-sh/ruff#22464)) - \[`airflow`] Catch deprecated attribute access from context key for Airflow 3.0 (`AIR301`) ([#22850](astral-sh/ruff#22850)) - \[`airflow`] Capture deprecated arguments and a decorator (`AIR301`) ([#23170](astral-sh/ruff#23170)) - \[`flake8-boolean-trap`] Add `multiprocessing.Value` to excluded functions for `FBT003` ([#23010](astral-sh/ruff#23010)) - \[`flake8-bugbear`] Add a secondary annotation showing the previous occurrence (`B033`) ([#22634](astral-sh/ruff#22634)) - \[`flake8-type-checking`] Add sub-diagnostic showing the runtime use of an annotation (`TC004`) ([#23091](astral-sh/ruff#23091)) - \[`isort`] Support configurable import section heading comments ([#23151](astral-sh/ruff#23151)) - \[`ruff`] Improve the diagnostic for `RUF012` ([#23202](astral-sh/ruff#23202)) - Suppress diagnostic output for `format --check --silent` ([#17736](astral-sh/ruff#17736)) - Add tabbed shell completion documentation ([#23169](astral-sh/ruff#23169)) - Explain how to enable Markdown formatting for pre-commit hook ([#23077](astral-sh/ruff#23077)) - Fixed import in `runtime-evaluated-decorators` example ([#23187](astral-sh/ruff#23187)) - Update ruff server contributing guide ([#23060](astral-sh/ruff#23060)) - Exclude WASM artifacts from GitHub releases ([#23221](astral-sh/ruff#23221)) - [@mkniewallner](https://github.com/mkniewallner) - [@bxff](https://github.com/bxff) - [@dylwil3](https://github.com/dylwil3) - [@Avasam](https://github.com/Avasam) - [@amyreese](https://github.com/amyreese) - [@charliermarsh](https://github.com/charliermarsh) - [@Alex-ley-scrub](https://github.com/Alex-ley-scrub) - [@Kalmaegi](https://github.com/Kalmaegi) - [@danparizher](https://github.com/danparizher) - [@AiyionPrime](https://github.com/AiyionPrime) - [@eureka928](https://github.com/eureka928) - [@11happy](https://github.com/11happy) - [@Jkhall81](https://github.com/Jkhall81) - [@chirizxc](https://github.com/chirizxc) - [@leandrobbraga](https://github.com/leandrobbraga) - [@tvatter](https://github.com/tvatter) - [@anishgirianish](https://github.com/anishgirianish) - [@shaanmajid](https://github.com/shaanmajid) - [@ntBre](https://github.com/ntBre) - [@sjyangkevin](https://github.com/sjyangkevin) Released on 2026-02-03. Check out the [blog post](https://astral.sh/blog/ruff-v0.15.0) for a migration guide and overview of the changes! - Ruff now formats your code according to the 2026 style guide. See the formatter section below or in the blog post for a detailed list of changes. - The linter now supports block suppression comments. For example, to suppress `N803` for all parameters in this function: ```python # ruff: disable[N803] def foo( legacyArg1, legacyArg2, legacyArg3, legacyArg4, ): ... # ruff: enable[N803] ``` See the [documentation](https://docs.astral.sh/ruff/linter/#block-level) for more details. - The `ruff:alpine` Docker image is now based on Alpine 3.23 (up from 3.21). - The `ruff:debian` and `ruff:debian-slim` Docker images are now based on Debian 13 "Trixie" instead of Debian 12 "Bookworm." - Binaries for the `ppc64` (64-bit big-endian PowerPC) architecture are no longer included in our releases. It should still be possible to build Ruff manually for this platform, if needed. - Ruff now resolves all `extend`ed configuration files before falling back on a default Python version. The following rules have been stabilized and are no longer in preview: - [`blocking-http-call-httpx-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-http-call-httpx-in-async-function) (`ASYNC212`) - [`blocking-path-method-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-path-method-in-async-function) (`ASYNC240`) - [`blocking-input-in-async-function`](https://docs.astral.sh/ruff/rules/blocking-input-in-async-function) (`ASYNC250`) - [`map-without-explicit-strict`](https://docs.astral.sh/ruff/rules/map-without-explicit-strict) (`B912`) - [`if-exp-instead-of-or-operator`](https://docs.astral.sh/ruff/rules/if-exp-instead-of-or-operator) (`FURB110`) - [`single-item-membership-test`](https://docs.astral.sh/ruff/rules/single-item-membership-test) (`FURB171`) - [`missing-maxsplit-arg`](https://docs.astral.sh/ruff/rules/missing-maxsplit-arg) (`PLC0207`) - [`unnecessary-lambda`](https://docs.astral.sh/ruff/rules/unnecessary-lambda) (`PLW0108`) - [`unnecessary-empty-iterable-within-deque-call`](https://docs.astral.sh/ruff/rules/unnecessary-empty-iterable-within-deque-call) (`RUF037`) - [`in-empty-collection`](https://docs.astral.sh/ruff/rules/in-empty-collection) (`RUF060`) - [`legacy-form-pytest-raises`](https://docs.astral.sh/ruff/rules/legacy-form-pytest-raises) (`RUF061`) - [`non-octal-permissions`](https://docs.astral.sh/ruff/rules/non-octal-permissions) (`RUF064`) - [`invalid-rule-code`](https://docs.astral.sh/ruff/rules/invalid-rule-code) (`RUF102`) - [`invalid-suppression-comment`](https://docs.astral.sh/ruff/rules/invalid-suppression-comment) (`RUF103`) - [`unmatched-suppression-comment`](https://docs.astral.sh/ruff/rules/unmatched-suppression-comment) (`RUF104`) - [`replace-str-enum`](https://docs.astral.sh/ruff/rules/replace-str-enum) (`UP042`) The following behaviors have been stabilized: - The `--output-format` flag is now respected when running Ruff in `--watch` mode, and the `full` output format is now used by default, matching the regular CLI output. - [`builtin-attribute-shadowing`](https://docs.astral.sh/ruff/rules/builtin-attribute-shadowing/) (`A003`) now detects the use of shadowed built-in names in additional contexts like decorators, default arguments, and other attribute definitions. - [`duplicate-union-member`](https://docs.astral.sh/ruff/rules/duplicate-union-member/) (`PYI016`) now considers `typing.Optional` when searching for duplicate union members. - [`split-static-string`](https://docs.astral.sh/ruff/rules/split-static-string/) (`SIM905`) now offers an autofix when the `maxsplit` argument is provided, even without a `sep` argument. - [`dict-get-with-none-default`](https://docs.astral.sh/ruff/rules/dict-get-with-none-default/) (`SIM910`) now applies to more types of key expressions. - [`super-call-with-parameters`](https://docs.astral.sh/ruff/rules/super-call-with-parameters/) (`UP008`) now has a safe fix when it will not delete comments. - [`unnecessary-default-type-args`](https://docs.astral.sh/ruff/rules/unnecessary-default-type-args/) (`UP043`) now applies to stub (`.pyi`) files on Python versions before 3.13. This release introduces the new 2026 style guide, with the following changes: - Lambda parameters are now kept on the same line and lambda bodies will be parenthesized to let them break across multiple lines ([#21385](astral-sh/ruff#21385)) - Parentheses around tuples of exceptions in `except` clauses will now be removed on Python 3.14 and later ([#20768](astral-sh/ruff#20768)) - A single empty line is now permitted at the beginning of function bodies ([#21110](astral-sh/ruff#21110)) - Parentheses are avoided for long `as` captures in `match` statements ([#21176](astral-sh/ruff#21176)) - Extra spaces between escaped quotes and ending triple quotes can now be omitted ([#17216](astral-sh/ruff#17216)) - Blank lines are now enforced before classes with decorators in stub files ([#18888](astral-sh/ruff#18888)) - Apply formatting to Markdown code blocks ([#22470](astral-sh/ruff#22470), [#22990](astral-sh/ruff#22990), [#22996](astral-sh/ruff#22996)) See the [documentation](https://docs.astral.sh/ruff/formatter/#markdown-code-formatting) for more details. - Fix suppression indentation matching ([#22903](astral-sh/ruff#22903)) - Customize where the `fix_title` sub-diagnostic appears ([#23044](astral-sh/ruff#23044)) - \[`FastAPI`] Add sub-diagnostic explaining why a fix was unavailable (`FAST002`) ([#22565](astral-sh/ruff#22565)) - \[`flake8-annotations`] Don't suggest `NoReturn` for functions raising `NotImplementedError` (`ANN201`, `ANN202`, `ANN205`, `ANN206`) ([#21311](astral-sh/ruff#21311)) - \[`pyupgrade`] Make fix unsafe if it deletes comments (`UP017`) ([#22873](astral-sh/ruff#22873)) - \[`pyupgrade`] Make fix unsafe if it deletes comments (`UP020`) ([#22872](astral-sh/ruff#22872)) - \[`pyupgrade`] Make fix unsafe if it deletes comments (`UP033`) ([#22871](astral-sh/ruff#22871)) - \[`refurb`] Do not add `abc.ABC` if already present (`FURB180`) ([#22234](astral-sh/ruff#22234)) - \[`refurb`] Make fix unsafe if it deletes comments (`FURB110`) ([#22768](astral-sh/ruff#22768)) - \[`ruff`] Add sub-diagnostics with permissions (`RUF064`) ([#22972](astral-sh/ruff#22972)) - Identify notebooks by LSP `didOpen` instead of `.ipynb` file extension ([#22810](astral-sh/ruff#22810)) - Add `--color` CLI option to force colored output ([#22806](astral-sh/ruff#22806)) - Document `-` stdin convention in CLI help text ([#22817](astral-sh/ruff#22817)) - \[`refurb`] Change example to `re.search` with `^` anchor (`FURB167`) ([#22984](astral-sh/ruff#22984)) - Fix link to Sphinx code block directives ([#23041](astral-sh/ruff#23041)) - \[`pydocstyle`] Clarify which quote styles are allowed (`D300`) ([#22825](astral-sh/ruff#22825)) - \[`flake8-bugbear`] Improve docs for `no-explicit-stacklevel` (`B028`) ([#22538](astral-sh/ruff#22538)) - Update MSRV to 1.91 ([#22874](astral-sh/ruff#22874)) - [@danparizher](https://github.com/danparizher) - [@chirizxc](https://github.com/chirizxc) - [@amyreese](https://github.com/amyreese) - [@Jkhall81](https://github.com/Jkhall81) - [@cwkang1998](https://github.com/cwkang1998) - [@manzt](https://github.com/manzt) - [@11happy](https://github.com/11happy) - [@hugovk](https://github.com/hugovk) - [@caiquejjx](https://github.com/caiquejjx) - [@ntBre](https://github.com/ntBre) - [@akawd](https://github.com/akawd) - [@konstin](https://github.com/konstin) Renovate-Branch: renovate/2024.6-ruff-0.x Change-Id: I8f8e865435fde1fc736fe2528261a604acb46215 Priv-Id: f7e1d99008e3617149c4b639a9a2bbc06212d064
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Fix #23078