- update to 0.4.1
* A new, hand-written parser
* A new language server in Rust
* ruff server is only in alpha, but it has a lot of features that you can try out today:
* Lints Python files automatically and shows quick-fixes when available
* Formats Python files, with support for range formatting
* Comes with commands for quickly performing actions: ruff.applyAutofix, ruff.applyFormat, and ruff.applyOrganizeImports
* Supports source.fixAll and source.organizeImports source actions
* Automatically reloads your project configuration when you change it
* To setup ruff server with your editor, refer to the README.md.
* Preview features
* [pylint] Implement invalid-hash-returned (PLE0309)
* [pylint] Implement invalid-index-returned (PLE0305)
* [pycodestyle] Do not trigger E3 rules on defs following a function/method with a dummy body
* [pylint] Implement invalid-bytes-returned (E0308)
* [pylint] Implement invalid-length-returned (E0303)
* [pylint] Implement self-cls-assignment (W0642)
* [pylint] Omit stubs from invalid-bool and invalid-str-return-type
* [ruff] New rule unused-async (RUF029) to detect unneeded async keywords on functions
* Rule changes
* [flake8-bandit] Allow urllib.request.urlopen calls with static Request argument (S310)
* [flake8-bugbear] Treat raise NotImplemented-only bodies as stub functions (B006)
* [flake8-slots] Respect same-file Enum subclasses (SLOT000)
* [pylint] Support inverted comparisons (PLR1730)
* Linter
* Improve handling of builtin symbols in linter rules
* Improve display of rules in --show-settings
* Improve inference capabilities of the BuiltinTypeChecker
* Resolve classes and functions relative to script name
* Improve performance of RuleTable::any_enabled