v0.0.273

What's Changed

Highlights include:

• Autofix capabilities for rules like flake8-import-conventions, which require symbol renames across a file.
• Significant decrease in Ruff's cache size (e.g., a ~50% decrease for FastAPI).
• Dozens and dozens of bug fixes + performance improvements.

Rules

• [copyright] Implement copyright notice detection by @Ryang20718 in #4701
• [flake8-datetimez] Enable UTC-import for datetime-utc-alias fix by @charliermarsh in #5100
• [flake8-implicit-str-concat] Add autofix for ISC001 by @tkukushkin in #4853
• [flake8-import-conventions] Enable autofix for unconventional imports rule by @charliermarsh in #5152
• [flake8-pyi] Add autofix for Set-to-AbstractSet rewrite using reference tracking by @charliermarsh in #5074
• [flake8-pyi] Implement PYI044 by @Thomasdezeeuw in #5021
• [flake8-return] Extend revised RET504 implementation to with statements by @charliermarsh in #4998
• [flake8-return] Implement autofix for revised RET504 rule by @charliermarsh in #4999
• [flake8-return] Refactor RET504 to only enforce assignment-then-return pattern by @charliermarsh in #4997
• [flake8-slots] Add plugin, add SLOT000, SLOT001 and SLOT002 by @qdegraaf in #4909
• [perflint] Add perflint plugin, add first rule PERF102 by @qdegraaf in #4821
• [pylint] Add Pylint rule comparison-with-itself (R0124) by @tjkuson in #4957
• [pyupgrade] Add a rule to remove unnecessary parentheses in class definitions by @charliermarsh in #5032
• [ruff] Add a rule for static keys in dict comprehensions by @rodjunger in #4929
• [ruff] Add rule to disallow implicit optional with autofix by @dhruvmanila in #4831
• [ruff] Expand RUF008 to all classes, but to a new code (RUF012) by @adampauls in #4390
• [ruff] Remove unannotated attributes from RUF008 by @charliermarsh in #5049
• [ruff] Upgrade explicit-type-conversion rule (RUF010) to remove unnecessary str calls by @charliermarsh in #4971

Settings

• Option (-o/--output-file) to write output to a file by @dhruvmanila in #4950
• Add JSON Lines (NDJSON) message serialization by @akx in #5048
• Add rule documentation URL to JSON output by @charliermarsh in #5187

Caching

• Only use a single cache file per Python package by @Thomasdezeeuw in #5117
• Open cache files in parallel by @Thomasdezeeuw in #5120

Jupyter

• Add support for auto-fix in Jupyter notebooks by @dhruvmanila in #4665
• Add roundtrip support for Jupyter notebook by @dhruvmanila in #5028

Bug Fixes

• Handle decorators in class-parenthesis-modifying rules by @charliermarsh in #5034
• Allow re-assignments to __all__ by @charliermarsh in #4967
• Handled dict and set inside f-string (#4249) by @DavideCanton in #4563
• Support concatenated string key removals by @charliermarsh in #4976
• Respect 'is not' operators split across newlines by @charliermarsh in #4977
• Parenthesize expressions prior to lexing in F632 by @charliermarsh in #5001
• Ignore pyproject.toml for adding noqa directives by @dhruvmanila in #5013
• Support 'reason' argument to pytest.fail by @charliermarsh in #5040
• Allow async with in redefined-loop-name by @charliermarsh in #5125
• Skip DJ008 enforcement in stub files by @charliermarsh in #5139
• Detect continuations at start-of-file by @charliermarsh in #5173
• Fix allowed-ellipsis detection by @charliermarsh in #5174
• Remove continuations before trailing semicolons by @charliermarsh in #5199
• Support parenthesized expressions when splitting compound assertions by @charliermarsh in #5219
• Use phf for confusables to reduce llvm lines by @konstin in #4926
• Allow private accesses within special dunder methods by @charliermarsh in #4968
• Support concatenated literals in format-literals by @charliermarsh in #4974
• Fix line numbers in source frames by @MichaReiser in #4984
• Suggest combining async with statements by @Thomasdezeeuw in #5022
• Improve TypedDict conversion logic for shadowed builtins and dunder methods by @charliermarsh in #5038
• Support glob patterns in pep8_naming ignore-names by @Thomasdezeeuw in #5024
• Respect all __all__ definitions for docstring visibility by @charliermarsh in #5052
• Don't treat annotations as resolved in forward references by @charliermarsh in #5060
• Consider ignore-names in all pep8 naming rules by @Thomasdezeeuw in #5079
• Ignore reimplemented-builtin if using await by @tjkuson in #5101
• Allow space in filename for powershell + windows + python module by @konstin in #5115
• Don't treat straight imports of future as __future__ imports by @charliermarsh in #5128
• Remove continuations when deleting statements by @charliermarsh in #5198
• Fix corner case involving terminal backslash after fixing W293 by @evanrittenhouse in #5172
• Fix subprocess.run on Windows Python 3.7 by @konstin in #5220

New Contributors

• @rodjunger made their first contribution in #4929
• @DavideCanton made their first contribution in #4563
• @Thomasdezeeuw made their first contribution in #5021
• @adampauls made their first contribution in #4390
• @tkukushkin made their first contribution in #4853
• @Taybou made their first contribution in #5088
• @davidszotten made their first contribution in #5158
• @dosisod made their first contribution in #5203

Full Changelog: v0.0.272...v0.0.273