Bump 0.14.6 (#21558)

CHANGELOG.md

@@ -1,5 +1,48 @@
 # Changelog
 
+## 0.14.6
+
+Released on 2025-11-21.
+
+### Preview features
+
+- \[`flake8-bandit`\] Support new PySNMP API paths (`S508`, `S509`) ([#21374](https://github.com/astral-sh/ruff/pull/21374))
+
+### Bug fixes
+
+- Adjust own-line comment placement between branches ([#21185](https://github.com/astral-sh/ruff/pull/21185))
+- Avoid syntax error when formatting attribute expressions with outer parentheses, parenthesized value, and trailing comment on value ([#20418](https://github.com/astral-sh/ruff/pull/20418))
+- Fix panic when formatting comments in unary expressions ([#21501](https://github.com/astral-sh/ruff/pull/21501))
+- Respect `fmt: skip` for compound statements on a single line ([#20633](https://github.com/astral-sh/ruff/pull/20633))
+- \[`refurb`\] Fix `FURB103` autofix ([#21454](https://github.com/astral-sh/ruff/pull/21454))
+- \[`ruff`\] Fix false positive for complex conversion specifiers in `logging-eager-conversion` (`RUF065`) ([#21464](https://github.com/astral-sh/ruff/pull/21464))
+
+### Rule changes
+
+- \[`ruff`\] Avoid false positive on `ClassVar` reassignment (`RUF012`) ([#21478](https://github.com/astral-sh/ruff/pull/21478))
+
+### CLI
+
+- Render hyperlinks for lint errors ([#21514](https://github.com/astral-sh/ruff/pull/21514))
+- Add a `ruff analyze` option to skip over imports in `TYPE_CHECKING` blocks ([#21472](https://github.com/astral-sh/ruff/pull/21472))
+
+### Documentation
+
+- Limit `eglot-format` hook to eglot-managed Python buffers ([#21459](https://github.com/astral-sh/ruff/pull/21459))
+- Mention `force-exclude` in "Configuration > Python file discovery" ([#21500](https://github.com/astral-sh/ruff/pull/21500))
+
+### Contributors
+
+- [@ntBre](https://github.com/ntBre)
+- [@dylwil3](https://github.com/dylwil3)
+- [@gauthsvenkat](https://github.com/gauthsvenkat)
+- [@MichaReiser](https://github.com/MichaReiser)
+- [@thamer](https://github.com/thamer)
+- [@Ruchir28](https://github.com/Ruchir28)
+- [@thejcannon](https://github.com/thejcannon)
+- [@danparizher](https://github.com/danparizher)
+- [@chirizxc](https://github.com/chirizxc)
+
 ## 0.14.5
 
 Released on 2025-11-13.

Cargo.lock

@@ -2859,7 +2859,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.14.5"
+version = "0.14.6"
 dependencies = [
  "anyhow",
  "argfile",
@@ -3117,7 +3117,7 @@ dependencies = [
 
 [[package]]
 name = "ruff_linter"
-version = "0.14.5"
+version = "0.14.6"
 dependencies = [
  "aho-corasick",
  "anyhow",
@@ -3472,7 +3472,7 @@ dependencies = [
 
 [[package]]
 name = "ruff_wasm"
-version = "0.14.5"
+version = "0.14.6"
 dependencies = [
  "console_error_panic_hook",
  "console_log",

README.md

@@ -147,8 +147,8 @@ curl -LsSf https://astral.sh/ruff/install.sh | sh
 powershell -c "irm https://astral.sh/ruff/install.ps1 | iex"
 
 # For a specific version.
-curl -LsSf https://astral.sh/ruff/0.14.5/install.sh | sh
-powershell -c "irm https://astral.sh/ruff/0.14.5/install.ps1 | iex"
+curl -LsSf https://astral.sh/ruff/0.14.6/install.sh | sh
+powershell -c "irm https://astral.sh/ruff/0.14.6/install.ps1 | iex"
 ```
 
 You can also install Ruff via [Homebrew](https://formulae.brew.sh/formula/ruff), [Conda](https://anaconda.org/conda-forge/ruff),
@@ -181,7 +181,7 @@ Ruff can also be used as a [pre-commit](https://pre-commit.com/) hook via [`ruff
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.5
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff-check

crates/ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.14.5"
+version = "0.14.6"
 publish = true
 authors = { workspace = true }
 edition = { workspace = true }

crates/ruff_linter/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_linter"
-version = "0.14.5"
+version = "0.14.6"
 publish = false
 authors = { workspace = true }
 edition = { workspace = true }

crates/ruff_wasm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_wasm"
-version = "0.14.5"
+version = "0.14.6"
 publish = false
 authors = { workspace = true }
 edition = { workspace = true }

crates/ty_python_semantic/resources/mdtest/implicit_type_aliases.md

@@ -389,8 +389,9 @@ ListOrTupleLegacy = Union[list[T], tuple[T, ...]]
 MyCallable = Callable[P, T]
 AnnotatedType = Annotated[T, "tag"]
 
-reveal_type(MyList)  # revealed: <class 'list[T]'>
-reveal_type(MyDict)  # revealed: <class 'dict[T, U]'>
+# TODO: Consider displaying this as `<class 'list[T]'>`, … instead? (and similar for some others below)
+reveal_type(MyList)  # revealed: <class 'list[typing.TypeVar]'>
+reveal_type(MyDict)  # revealed: <class 'dict[typing.TypeVar, typing.TypeVar]'>
 reveal_type(MyType)  # revealed: GenericAlias
 reveal_type(IntAndType)  # revealed: <class 'tuple[int, typing.TypeVar]'>
 reveal_type(Pair)  # revealed: <class 'tuple[typing.TypeVar, typing.TypeVar]'>
@@ -495,9 +496,9 @@ def _(
     my_callable: MyCallable,
 ):
     # TODO: Should be `list[Unknown]`
-    reveal_type(my_list)  # revealed: list[T]
+    reveal_type(my_list)  # revealed: list[typing.TypeVar]
     # TODO: Should be `dict[Unknown, Unknown]`
-    reveal_type(my_dict)  # revealed: dict[T, U]
+    reveal_type(my_dict)  # revealed: dict[typing.TypeVar, typing.TypeVar]
     # TODO: Should be `(...) -> Unknown`
     reveal_type(my_callable)  # revealed: (...) -> typing.TypeVar
 ```
@@ -522,7 +523,7 @@ reveal_mro(Derived1)
 GenericBaseAlias = GenericBase[T]
 
 # TODO: No error here
-# error: [non-subscriptable] "Cannot subscript object of type `<class 'GenericBase[T]'>` with no `__class_getitem__` method"
+# error: [non-subscriptable] "Cannot subscript object of type `<class 'GenericBase[typing.TypeVar]'>` with no `__class_getitem__` method"
 class Derived2(GenericBaseAlias[int]):
     pass
 ```

crates/ty_python_semantic/resources/mdtest/snapshots/unresolved_import.md_-_Unresolved_import_di…_-_Using_`from`_with_to…_(4b8ba6ee48180cdd).snap

@@ -40,6 +40,8 @@ error[unresolved-import]: Cannot resolve imported module `....foo`
 2 |
 3 | stat = add(10, 15)
   |
+help: The module can be resolved if the number of leading dots is reduced
+help: Did you mean `...foo`?
 info: Searched in the following paths during module resolution:
 info:   1. /src (first-party code)
 info:   2. vendored://stdlib (stdlib typeshed stubs vendored by ty)

crates/ty_python_semantic/src/types.rs

@@ -7197,8 +7197,6 @@ impl<'db> Type<'db> {
                 instance.apply_type_mapping_impl(db, type_mapping, tcx, visitor)
             },
 
-            Type::NewTypeInstance(_) if matches!(type_mapping, TypeMapping::BindLegacyTypevars(_)) => self,
-
             Type::NewTypeInstance(newtype) => visitor.visit(self, || {
                 Type::NewTypeInstance(newtype.map_base_class_type(db, |class_type| {
                     class_type.apply_type_mapping_impl(db, type_mapping, tcx, visitor)
@@ -7277,8 +7275,6 @@ impl<'db> Type<'db> {
             // TODO(jelle): Materialize should be handled differently, since TypeIs is invariant
             Type::TypeIs(type_is) => type_is.with_type(db, type_is.return_type(db).apply_type_mapping(db, type_mapping, tcx)),
 
-            Type::TypeAlias(_) if matches!(type_mapping, TypeMapping::BindLegacyTypevars(_)) => self,
-
             Type::TypeAlias(alias) => {
                 // Do not call `value_type` here. `value_type` does the specialization internally, so `apply_type_mapping` is performed without `visitor` inheritance.
                 // In the case of recursive type aliases, this leads to infinite recursion.

crates/ty_python_semantic/src/types/infer/builder.rs

@@ -101,14 +101,14 @@ use crate::types::typed_dict::{
 };
 use crate::types::visitor::any_over_type;
 use crate::types::{
-    BindingContext, CallDunderError, CallableBinding, CallableType, ClassLiteral, ClassType,
-    DataclassParams, DynamicType, InternedType, IntersectionBuilder, IntersectionType, KnownClass,
+    CallDunderError, CallableBinding, CallableType, ClassLiteral, ClassType, DataclassParams,
+    DynamicType, InternedType, IntersectionBuilder, IntersectionType, KnownClass,
     KnownInstanceType, LintDiagnosticGuard, MemberLookupPolicy, MetaclassCandidate,
     PEP695TypeAliasType, Parameter, ParameterForm, Parameters, SpecialFormType, SubclassOfType,
     TrackedConstraintSet, Truthiness, Type, TypeAliasType, TypeAndQualifiers, TypeContext,
-    TypeMapping, TypeQualifiers, TypeVarBoundOrConstraintsEvaluation, TypeVarDefaultEvaluation,
-    TypeVarIdentity, TypeVarInstance, TypeVarKind, TypeVarVariance, TypedDictType, UnionBuilder,
-    UnionType, UnionTypeInstance, binding_type, todo_type,
+    TypeQualifiers, TypeVarBoundOrConstraintsEvaluation, TypeVarDefaultEvaluation, TypeVarIdentity,
+    TypeVarInstance, TypeVarKind, TypeVarVariance, TypedDictType, UnionBuilder, UnionType,
+    UnionTypeInstance, binding_type, todo_type,
 };
 use crate::types::{ClassBase, add_inferred_python_version_hint_to_diagnostic};
 use crate::unpack::{EvaluationMode, UnpackPosition};
@@ -5799,9 +5799,8 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
             return;
         };
         let mut diagnostic = builder.into_diagnostic(format_args!(
-            "Cannot resolve imported module `{}{}`",
-            ".".repeat(level as usize),
-            module.unwrap_or_default()
+            "Cannot resolve imported module `{}`",
+            format_import_from_module(level, module)
         ));
 
         if level == 0 {
@@ -5832,6 +5831,30 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
                     }
                 }
             }
+        } else {
+            if let Some(better_level) = (0..level).rev().find(|reduced_level| {
+                let Ok(module_name) = ModuleName::from_identifier_parts(
+                    self.db(),
+                    self.file(),
+                    module,
+                    *reduced_level,
+                ) else {
+                    return false;
+                };
+                resolve_module(self.db(), &module_name).is_some()
+            }) {
+                diagnostic
+                    .help("The module can be resolved if the number of leading dots is reduced");
+                diagnostic.help(format_args!(
+                    "Did you mean `{}`?",
+                    format_import_from_module(better_level, module)
+                ));
+                diagnostic.set_concise_message(format_args!(
+                    "Cannot resolve imported module `{}` - did you mean `{}`?",
+                    format_import_from_module(level, module),
+                    format_import_from_module(better_level, module)
+                ));
+            }
         }
 
         // Add search paths information to the diagnostic
@@ -6039,7 +6062,8 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
             }
             Err(ModuleNameResolutionError::UnknownCurrentModule) => {
                 tracing::debug!(
-                    "Relative module resolution `{}` failed; could not resolve file `{}` to a module",
+                    "Relative module resolution `{}` failed: could not resolve file `{}` to a module \
+                    (try adjusting configured search paths?)",
                     format_import_from_module(*level, module),
                     self.file().path(self.db())
                 );
@@ -11046,7 +11070,6 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
             value_ty,
             generic_context,
             specialize,
-            true,
         )
     }
 
@@ -11071,7 +11094,6 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
             value_ty,
             generic_context,
             specialize,
-            false,
         )
     }
 
@@ -11081,30 +11103,12 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
         value_ty: Type<'db>,
         generic_context: GenericContext<'db>,
         specialize: impl FnOnce(&[Option<Type<'db>>]) -> Type<'db>,
-        bind_legacy_typevars: bool,
     ) -> Type<'db> {
         let slice_node = subscript.slice.as_ref();
-
-        let db = self.db();
-        let do_bind_legacy_typevars = |ty: Type<'db>| {
-            if bind_legacy_typevars {
-                ty.apply_type_mapping(
-                    db,
-                    &TypeMapping::BindLegacyTypevars(BindingContext::Synthetic),
-                    TypeContext::default(),
-                )
-            } else {
-                ty
-            }
-        };
-
         let call_argument_types = match slice_node {
             ast::Expr::Tuple(tuple) => {
                 let arguments = CallArguments::positional(
-                    tuple
-                        .elts
-                        .iter()
-                        .map(|elt| do_bind_legacy_typevars(self.infer_type_expression(elt))),
+                    tuple.elts.iter().map(|elt| self.infer_type_expression(elt)),
                 );
                 self.store_expression_type(
                     slice_node,
@@ -11112,11 +11116,8 @@ impl<'db, 'ast> TypeInferenceBuilder<'db, 'ast> {
                 );
                 arguments
             }
-            _ => CallArguments::positional([do_bind_legacy_typevars(
-                self.infer_type_expression(slice_node),
-            )]),
+            _ => CallArguments::positional([self.infer_type_expression(slice_node)]),
         };
-
         let binding = Binding::single(value_ty, generic_context.signature(self.db()));
         let bindings = match Bindings::from(binding)
             .match_parameters(self.db(), &call_argument_types)

docs/integrations.md

@@ -80,7 +80,7 @@ You can add the following configuration to `.gitlab-ci.yml` to run a `ruff forma
   stage: build
   interruptible: true
   image:
-    name: ghcr.io/astral-sh/ruff:0.14.5-alpine
+    name: ghcr.io/astral-sh/ruff:0.14.6-alpine
   before_script:
     - cd $CI_PROJECT_DIR
     - ruff --version
@@ -106,7 +106,7 @@ Ruff can be used as a [pre-commit](https://pre-commit.com) hook via [`ruff-pre-c
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.5
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff-check
@@ -119,7 +119,7 @@ To enable lint fixes, add the `--fix` argument to the lint hook:
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.5
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff-check
@@ -133,7 +133,7 @@ To avoid running on Jupyter Notebooks, remove `jupyter` from the list of allowed
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.5
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff-check

docs/tutorial.md

@@ -369,7 +369,7 @@ This tutorial has focused on Ruff's command-line interface, but Ruff can also be
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.5
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "ruff"
-version = "0.14.5"
+version = "0.14.6"
 description = "An extremely fast Python linter and code formatter, written in Rust."
 authors = [{ name = "Astral Software Inc.", email = "hey@astral.sh" }]
 readme = "README.md"

scripts/benchmarks/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "scripts"
-version = "0.14.5"
+version = "0.14.6"
 description = ""
 authors = ["Charles Marsh <charlie.r.marsh@gmail.com>"]