[Ruff v0.5] Stabilise 15 pylint rules

crates/ruff_linter/src/codes.rs

@@ -191,14 +191,14 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "C0414") => (RuleGroup::Stable, rules::pylint::rules::UselessImportAlias),
         (Pylint, "C0415") => (RuleGroup::Preview, rules::pylint::rules::ImportOutsideTopLevel),
         (Pylint, "C1901") => (RuleGroup::Preview, rules::pylint::rules::CompareToEmptyString),
-        (Pylint, "C2401") => (RuleGroup::Preview, rules::pylint::rules::NonAsciiName),
-        (Pylint, "C2403") => (RuleGroup::Preview, rules::pylint::rules::NonAsciiImportName),
+        (Pylint, "C2401") => (RuleGroup::Stable, rules::pylint::rules::NonAsciiName),
+        (Pylint, "C2403") => (RuleGroup::Stable, rules::pylint::rules::NonAsciiImportName),
         (Pylint, "C2701") => (RuleGroup::Preview, rules::pylint::rules::ImportPrivateName),
         (Pylint, "C2801") => (RuleGroup::Preview, rules::pylint::rules::UnnecessaryDunderCall),
         (Pylint, "C3002") => (RuleGroup::Stable, rules::pylint::rules::UnnecessaryDirectLambdaCall),
         (Pylint, "E0100") => (RuleGroup::Stable, rules::pylint::rules::YieldInInit),
         (Pylint, "E0101") => (RuleGroup::Stable, rules::pylint::rules::ReturnInInit),
-        (Pylint, "E0115") => (RuleGroup::Preview, rules::pylint::rules::NonlocalAndGlobal),
+        (Pylint, "E0115") => (RuleGroup::Stable, rules::pylint::rules::NonlocalAndGlobal),
         (Pylint, "E0116") => (RuleGroup::Stable, rules::pylint::rules::ContinueInFinally),
         (Pylint, "E0117") => (RuleGroup::Stable, rules::pylint::rules::NonlocalWithoutBinding),
         (Pylint, "E0118") => (RuleGroup::Stable, rules::pylint::rules::LoadBeforeGlobalDeclaration),
@@ -213,9 +213,9 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "E0309") => (RuleGroup::Preview, rules::pylint::rules::InvalidHashReturnType),
         (Pylint, "E0604") => (RuleGroup::Stable, rules::pylint::rules::InvalidAllObject),
         (Pylint, "E0605") => (RuleGroup::Stable, rules::pylint::rules::InvalidAllFormat),
-        (Pylint, "E0643") => (RuleGroup::Preview, rules::pylint::rules::PotentialIndexError),
-        (Pylint, "E0704") => (RuleGroup::Preview, rules::pylint::rules::MisplacedBareRaise),
-        (Pylint, "E1132") => (RuleGroup::Preview, rules::pylint::rules::RepeatedKeywordArgument),
+        (Pylint, "E0643") => (RuleGroup::Stable, rules::pylint::rules::PotentialIndexError),
+        (Pylint, "E0704") => (RuleGroup::Stable, rules::pylint::rules::MisplacedBareRaise),
+        (Pylint, "E1132") => (RuleGroup::Stable, rules::pylint::rules::RepeatedKeywordArgument),
         (Pylint, "E1141") => (RuleGroup::Preview, rules::pylint::rules::DictIterMissingItems),
         (Pylint, "E1142") => (RuleGroup::Stable, rules::pylint::rules::AwaitOutsideAsync),
         (Pylint, "E1205") => (RuleGroup::Stable, rules::pylint::rules::LoggingTooManyArgs),
@@ -250,16 +250,16 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "R0917") => (RuleGroup::Preview, rules::pylint::rules::TooManyPositional),
         (Pylint, "R1701") => (RuleGroup::Removed, rules::pylint::rules::RepeatedIsinstanceCalls),
         (Pylint, "R1702") => (RuleGroup::Preview, rules::pylint::rules::TooManyNestedBlocks),
-        (Pylint, "R1704") => (RuleGroup::Preview, rules::pylint::rules::RedefinedArgumentFromLocal),
+        (Pylint, "R1704") => (RuleGroup::Stable, rules::pylint::rules::RedefinedArgumentFromLocal),
         (Pylint, "R1706") => (RuleGroup::Removed, rules::pylint::rules::AndOrTernary),
         (Pylint, "R1711") => (RuleGroup::Stable, rules::pylint::rules::UselessReturn),
         (Pylint, "R1714") => (RuleGroup::Stable, rules::pylint::rules::RepeatedEqualityComparison),
         (Pylint, "R1722") => (RuleGroup::Stable, rules::pylint::rules::SysExitAlias),
         (Pylint, "R1730") => (RuleGroup::Preview, rules::pylint::rules::IfStmtMinMax),
         (Pylint, "R1733") => (RuleGroup::Preview, rules::pylint::rules::UnnecessaryDictIndexLookup),
-        (Pylint, "R1736") => (RuleGroup::Preview, rules::pylint::rules::UnnecessaryListIndexLookup),
+        (Pylint, "R1736") => (RuleGroup::Stable, rules::pylint::rules::UnnecessaryListIndexLookup),
         (Pylint, "R2004") => (RuleGroup::Stable, rules::pylint::rules::MagicValueComparison),
-        (Pylint, "R2044") => (RuleGroup::Preview, rules::pylint::rules::EmptyComment),
+        (Pylint, "R2044") => (RuleGroup::Stable, rules::pylint::rules::EmptyComment),
         (Pylint, "R5501") => (RuleGroup::Stable, rules::pylint::rules::CollapsibleElseIf),
         (Pylint, "R6104") => (RuleGroup::Preview, rules::pylint::rules::NonAugmentedAssignment),
         (Pylint, "R6201") => (RuleGroup::Preview, rules::pylint::rules::LiteralMembership),
@@ -268,25 +268,25 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "W0177") => (RuleGroup::Preview, rules::pylint::rules::NanComparison),
         (Pylint, "W0120") => (RuleGroup::Stable, rules::pylint::rules::UselessElseOnLoop),
         (Pylint, "W0127") => (RuleGroup::Stable, rules::pylint::rules::SelfAssigningVariable),
-        (Pylint, "W0128") => (RuleGroup::Preview, rules::pylint::rules::RedeclaredAssignedName),
+        (Pylint, "W0128") => (RuleGroup::Stable, rules::pylint::rules::RedeclaredAssignedName),
         (Pylint, "W0129") => (RuleGroup::Stable, rules::pylint::rules::AssertOnStringLiteral),
         (Pylint, "W0131") => (RuleGroup::Stable, rules::pylint::rules::NamedExprWithoutContext),
-        (Pylint, "W0133") => (RuleGroup::Preview, rules::pylint::rules::UselessExceptionStatement),
+        (Pylint, "W0133") => (RuleGroup::Stable, rules::pylint::rules::UselessExceptionStatement),
         (Pylint, "W0211") => (RuleGroup::Preview, rules::pylint::rules::BadStaticmethodArgument),
-        (Pylint, "W0245") => (RuleGroup::Preview, rules::pylint::rules::SuperWithoutBrackets),
+        (Pylint, "W0245") => (RuleGroup::Stable, rules::pylint::rules::SuperWithoutBrackets),
         (Pylint, "W0406") => (RuleGroup::Stable, rules::pylint::rules::ImportSelf),
         (Pylint, "W0602") => (RuleGroup::Stable, rules::pylint::rules::GlobalVariableNotAssigned),
         (Pylint, "W0603") => (RuleGroup::Stable, rules::pylint::rules::GlobalStatement),
-        (Pylint, "W0604") => (RuleGroup::Preview, rules::pylint::rules::GlobalAtModuleLevel),
+        (Pylint, "W0604") => (RuleGroup::Stable, rules::pylint::rules::GlobalAtModuleLevel),
         (Pylint, "W0642") => (RuleGroup::Preview, rules::pylint::rules::SelfOrClsAssignment),
         (Pylint, "W0711") => (RuleGroup::Stable, rules::pylint::rules::BinaryOpException),
-        (Pylint, "W1501") => (RuleGroup::Preview, rules::pylint::rules::BadOpenMode),
+        (Pylint, "W1501") => (RuleGroup::Stable, rules::pylint::rules::BadOpenMode),
         (Pylint, "W1508") => (RuleGroup::Stable, rules::pylint::rules::InvalidEnvvarDefault),
         (Pylint, "W1509") => (RuleGroup::Stable, rules::pylint::rules::SubprocessPopenPreexecFn),
         (Pylint, "W1510") => (RuleGroup::Stable, rules::pylint::rules::SubprocessRunWithoutCheck),
         (Pylint, "W1514") => (RuleGroup::Preview, rules::pylint::rules::UnspecifiedEncoding),
         (Pylint, "W1641") => (RuleGroup::Preview, rules::pylint::rules::EqWithoutHash),
-        (Pylint, "W2101") => (RuleGroup::Preview, rules::pylint::rules::UselessWithLock),
+        (Pylint, "W2101") => (RuleGroup::Stable, rules::pylint::rules::UselessWithLock),
         (Pylint, "W2901") => (RuleGroup::Stable, rules::pylint::rules::RedefinedLoopName),
         (Pylint, "W3201") => (RuleGroup::Preview, rules::pylint::rules::BadDunderMethodName),
         (Pylint, "W3301") => (RuleGroup::Stable, rules::pylint::rules::NestedMinMax),

crates/ruff_linter/src/rules/pylint/rules/bad_open_mode.rs

@@ -59,7 +59,7 @@ pub(crate) fn bad_open_mode(checker: &mut Checker, call: &ast::ExprCall) {
         return;
     };
 
-    let Some(ast::ExprStringLiteral { value, .. }) = mode.as_string_literal_expr() else {
+    let ast::Expr::StringLiteral(ast::ExprStringLiteral { value, .. }) = mode else {
         return;
     };
 

crates/ruff_linter/src/rules/pylint/rules/literal_membership.rs

@@ -37,7 +37,7 @@ pub struct LiteralMembership;
 impl AlwaysFixableViolation for LiteralMembership {
     #[derive_message_formats]
     fn message(&self) -> String {
-        format!("Use a `set` literal when testing for membership")
+        format!("Use a set literal when testing for membership")
     }
 
     fn fix_title(&self) -> String {

crates/ruff_linter/src/rules/pylint/rules/non_ascii_module_import.rs

@@ -41,20 +41,20 @@ impl Violation for NonAsciiImportName {
         let Self { name, kind } = self;
         match kind {
             Kind::Aliased => {
-                format!(
-                    "Module alias `{name}` contains a non-ASCII character, use an ASCII-only alias"
-                )
+                format!("Module alias `{name}` contains a non-ASCII character")
             }
             Kind::Unaliased => {
-                format!(
-                    "Module name `{name}` contains a non-ASCII character, use an ASCII-only alias"
-                )
+                format!("Module name `{name}` contains a non-ASCII character")
             }
         }
     }
+
+    fn fix_title(&self) -> Option<String> {
+        Some("Use an ASCII-only alias".to_string())
+    }
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 enum Kind {
     /// The import uses a non-ASCII alias (e.g., `import foo as bár`).
     Aliased,

crates/ruff_linter/src/rules/pylint/rules/non_ascii_name.rs

@@ -34,7 +34,11 @@ impl Violation for NonAsciiName {
     #[derive_message_formats]
     fn message(&self) -> String {
         let Self { name, kind } = self;
-        format!("{kind} name `{name}` contains a non-ASCII character, consider renaming it")
+        format!("{kind} name `{name}` contains a non-ASCII character")
+    }
+
+    fn fix_title(&self) -> Option<String> {
+        Some("Rename the variable using ASCII characters".to_string())
     }
 }
 
@@ -82,7 +86,7 @@ pub(crate) fn non_ascii_name(binding: &Binding, locator: &Locator) -> Option<Dia
     ))
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone)]
 enum Kind {
     Annotation,
     Argument,

crates/ruff_linter/src/rules/pylint/rules/potential_index_error.rs

@@ -24,7 +24,7 @@ pub struct PotentialIndexError;
 impl Violation for PotentialIndexError {
     #[derive_message_formats]
     fn message(&self) -> String {
-        format!("Potential IndexError")
+        format!("Expression is likely to raise `IndexError`")
     }
 }
 

crates/ruff_linter/src/rules/pylint/rules/super_without_brackets.rs

@@ -8,11 +8,14 @@ use ruff_text_size::Ranged;
 use crate::checkers::ast::Checker;
 
 /// ## What it does
-/// Checks for `super` calls without parentheses.
+/// Detects attempts to use `super` without parentheses.
 ///
 /// ## Why is this bad?
-/// When `super` is used without parentheses, it is not an actual call, and
-/// thus has no effect.
+/// The [`super()` callable](https://docs.python.org/3/library/functions.html#super)
+/// can be used inside method definitions to create a proxy object that
+/// delegates attribute access to a superclass of the current class. Attempting
+/// to access attributes on the `super` object itself, however, instead of the
+/// object returned by a call to `super()`, will raise `AttributeError`.
 ///
 /// ## Example
 /// ```python
@@ -25,7 +28,7 @@ use crate::checkers::ast::Checker;
 /// class Dog(Animal):
 ///     @staticmethod
 ///     def speak():
-///         original_speak = super.speak()
+///         original_speak = super.speak()  # ERROR: `super.speak()`
 ///         return f"{original_speak} But as a dog, it barks!"
 /// ```
 ///
@@ -40,7 +43,7 @@ use crate::checkers::ast::Checker;
 /// class Dog(Animal):
 ///     @staticmethod
 ///     def speak():
-///         original_speak = super().speak()
+///         original_speak = super().speak()  # Correct: `super().speak()`
 ///         return f"{original_speak} But as a dog, it barks!"
 /// ```
 #[violation]

crates/ruff_linter/src/rules/pylint/rules/unnecessary_list_index_lookup.rs

@@ -37,11 +37,11 @@ pub struct UnnecessaryListIndexLookup;
 impl AlwaysFixableViolation for UnnecessaryListIndexLookup {
     #[derive_message_formats]
     fn message(&self) -> String {
-        format!("Unnecessary lookup of list item by index")
+        format!("List index lookup in `enumerate()` loop")
     }
 
     fn fix_title(&self) -> String {
-        format!("Use existing variable")
+        format!("Use the loop variable directly")
     }
 }
 

crates/ruff_linter/src/rules/pylint/rules/useless_with_lock.rs

@@ -6,7 +6,8 @@ use ruff_text_size::Ranged;
 use crate::checkers::ast::Checker;
 
 /// ## What it does
-/// Checks for direct uses of lock objects in `with` statements.
+/// Checks for lock objects that are created and immediately discarded in
+/// `with` statements.
 ///
 /// ## Why is this bad?
 /// Creating a lock (via `threading.Lock` or similar) in a `with` statement

crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLC2401_non_ascii_name.py.snap

@@ -1,23 +1,25 @@
 ---
 source: crates/ruff_linter/src/rules/pylint/mod.rs
 ---
-non_ascii_name.py:1:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:1:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character
   |
 1 | ápple_count: int = 1  # C2401
   | ^^^^^^^^^^^ PLC2401
 2 | ápple_count += 2  # C2401
 3 | ápple_count = 3  # C2401
   |
+  = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:2:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:2:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character
   |
 1 | ápple_count: int = 1  # C2401
 2 | ápple_count += 2  # C2401
   | ^^^^^^^^^^^ PLC2401
 3 | ápple_count = 3  # C2401
   |
+  = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:3:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:3:1: PLC2401 Variable name `ápple_count` contains a non-ASCII character
   |
 1 | ápple_count: int = 1  # C2401
 2 | ápple_count += 2  # C2401
@@ -26,47 +28,53 @@ non_ascii_name.py:3:1: PLC2401 Variable name `ápple_count` contains a non-ASCII
 4 | 
 5 | (ápple_count for ápple_count in y)
   |
+  = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:5:18: PLC2401 Variable name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:5:18: PLC2401 Variable name `ápple_count` contains a non-ASCII character
   |
 3 | ápple_count = 3  # C2401
 4 | 
 5 | (ápple_count for ápple_count in y)
   |                  ^^^^^^^^^^^ PLC2401
   |
+  = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:8:10: PLC2401 Argument name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:8:10: PLC2401 Argument name `ápple_count` contains a non-ASCII character
    |
  8 | def func(ápple_count):
    |          ^^^^^^^^^^^ PLC2401
  9 |     global ápple_count
 10 |     nonlocal ápple_count
    |
+   = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:9:12: PLC2401 Global name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:9:12: PLC2401 Global name `ápple_count` contains a non-ASCII character
    |
  8 | def func(ápple_count):
  9 |     global ápple_count
    |            ^^^^^^^^^^^ PLC2401
 10 |     nonlocal ápple_count
    |
+   = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:13:5: PLC2401 Function name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:13:5: PLC2401 Function name `ápple_count` contains a non-ASCII character
    |
 13 | def ápple_count():
    |     ^^^^^^^^^^^ PLC2401
 14 |     pass
    |
+   = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:18:10: PLC2401 Variable name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:18:10: PLC2401 Variable name `ápple_count` contains a non-ASCII character
    |
 17 | match ápple_count:
 18 |     case ápple_count:
    |          ^^^^^^^^^^^ PLC2401
 19 |         pass
    |
+   = help: Rename the variable using ASCII characters
 
-non_ascii_name.py:21:1: PLC2401 Annotation name `ápple_count` contains a non-ASCII character, consider renaming it
+non_ascii_name.py:21:1: PLC2401 Annotation name `ápple_count` contains a non-ASCII character
    |
 19 |         pass
 20 | 
@@ -75,5 +83,4 @@ non_ascii_name.py:21:1: PLC2401 Annotation name `ápple_count` contains a non-AS
 22 | 
 23 | try:
    |
-
-
+   = help: Rename the variable using ASCII characters

crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLC2403_non_ascii_module_import.py.snap

@@ -1,38 +1,40 @@
 ---
 source: crates/ruff_linter/src/rules/pylint/mod.rs
 ---
-non_ascii_module_import.py:1:29: PLC2403 Module alias `łos` contains a non-ASCII character, use an ASCII-only alias
+non_ascii_module_import.py:1:29: PLC2403 Module alias `łos` contains a non-ASCII character
   |
 1 | from os.path import join as łos  # Error
   |                             ^^^ PLC2403
 2 | from os.path import join as los  # OK
   |
+  = help: Use an ASCII-only alias
 
-non_ascii_module_import.py:4:24: PLC2403 Module alias `łos` contains a non-ASCII character, use an ASCII-only alias
+non_ascii_module_import.py:4:24: PLC2403 Module alias `łos` contains a non-ASCII character
   |
 2 | from os.path import join as los  # OK
 3 | 
 4 | import os.path.join as łos  # Error
   |                        ^^^ PLC2403
 5 | import os.path.join as los  # OK
   |
+  = help: Use an ASCII-only alias
 
-non_ascii_module_import.py:7:8: PLC2403 Module name `os.path.łos` contains a non-ASCII character, use an ASCII-only alias
+non_ascii_module_import.py:7:8: PLC2403 Module name `os.path.łos` contains a non-ASCII character
   |
 5 | import os.path.join as los  # OK
 6 | 
 7 | import os.path.łos  # Error (recommend an ASCII alias)
   |        ^^^^^^^^^^^ PLC2403
 8 | import os.path.los  # OK
   |
+  = help: Use an ASCII-only alias
 
-non_ascii_module_import.py:10:21: PLC2403 Module name `łos` contains a non-ASCII character, use an ASCII-only alias
+non_ascii_module_import.py:10:21: PLC2403 Module name `łos` contains a non-ASCII character
    |
  8 | import os.path.los  # OK
  9 | 
 10 | from os.path import łos  # Error (recommend an ASCII alias)
    |                     ^^^ PLC2403
 11 | from os.path import los  # OK
    |
-
-
+   = help: Use an ASCII-only alias