Comments outside expression parentheses

crates/ruff_formatter/src/lib.rs

@@ -575,6 +575,10 @@ where
             context: PhantomData,
         }
     }
+
+    pub fn rule(&self) -> &R {
+        &self.rule
+    }
 }
 
 impl<T, R, O, C> FormatRefWithRule<'_, T, R, C>

crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/unary.py

@@ -161,3 +161,14 @@
                 + "WARNING: Removing listed files. Do you really want to continue. yes/n)? "
             ):
                 pass
+
+# https://github.com/astral-sh/ruff/issues/7448
+x = (
+    # a
+    not # b
+    # c
+    ( # d
+        # e
+        True
+    )
+)

crates/ruff_python_formatter/resources/test/fixtures/ruff/parentheses/expression_parentheses_comments.py

@@ -0,0 +1,113 @@
+list_with_parenthesized_elements1 = [
+    # comment leading outer
+    (
+        # comment leading inner
+            1 + 2 # comment trailing inner
+    ) # comment trailing outer
+]
+
+list_with_parenthesized_elements2 = [
+    # leading outer
+    (1 + 2)
+]
+list_with_parenthesized_elements3 = [
+    # leading outer
+    (1 + 2) # trailing outer
+]
+list_with_parenthesized_elements4 = [
+    # leading outer
+    (1 + 2), # trailing outer
+]
+list_with_parenthesized_elements5 = [
+    (1), # trailing outer
+    (2), # trailing outer
+]
+
+nested_parentheses1 = (
+    (
+        (
+            1
+        ) # i
+    ) # j
+) # k
+nested_parentheses2 = [
+    (
+        (
+            (
+                1
+            ) # i
+            # i2
+        ) # j
+        # j2
+    ) # k
+    # k2
+]
+nested_parentheses3 = (
+    ( # a
+        ( # b
+            1
+        ) # i
+    ) # j
+) # k
+nested_parentheses4 = [
+    # a
+    ( # b
+        # c
+        ( # d
+            # e
+            ( #f
+                1
+            ) # i
+            # i2
+        ) # j
+        # j2
+    ) # k
+    # k2
+]
+
+
+x = (
+    # unary comment
+    not
+    # in-between comment
+    (
+        # leading inner
+        "a"
+    ),
+    not # in-between comment
+    (
+        # leading inner
+        "b"
+    ),
+    not
+    (  # in-between comment
+        # leading inner
+        "c"
+    ),
+    # 1
+    not # 2
+    ( # 3
+        # 4
+        "d"
+    )
+)
+
+if (
+    # unary comment
+    not
+    # in-between comment
+    (
+            # leading inner
+            1
+    )
+):
+    pass
+
+# Make sure we keep a inside the parentheses
+# https://github.com/astral-sh/ruff/issues/7892
+x = (
+    # a
+    ( # b
+        1
+    )
+)

crates/ruff_python_formatter/resources/test/fixtures/ruff/statement/with.py

@@ -86,10 +86,6 @@
     )
 ): ...
 
-with (a # trailing same line comment
-    # trailing own line comment
-    ) as b: ...
-
 with (
     a # trailing same line comment
     # trailing own line comment

crates/ruff_python_formatter/src/comments/placement.rs

@@ -1878,8 +1878,7 @@ fn handle_lambda_comment<'a>(
     CommentPlacement::Default(comment)
 }
 
-/// Attach trailing end-of-line comments on the operator as dangling comments on the enclosing
-/// node.
+/// Move comment between a unary op and its operand before the unary op by marking them as trailing.
 ///
 /// For example, given:
 /// ```python
@@ -1896,26 +1895,27 @@ fn handle_unary_op_comment<'a>(
     unary_op: &'a ast::ExprUnaryOp,
     locator: &Locator,
 ) -> CommentPlacement<'a> {
-    if comment.line_position().is_own_line() {
-        return CommentPlacement::Default(comment);
-    }
-
-    if comment.start() > unary_op.operand.start() {
-        return CommentPlacement::Default(comment);
-    }
-
-    let tokenizer = SimpleTokenizer::new(
+    let mut tokenizer = SimpleTokenizer::new(
         locator.contents(),
-        TextRange::new(comment.start(), unary_op.operand.start()),
-    );
-    if tokenizer
-        .skip_trivia()
-        .any(|token| token.kind == SimpleTokenKind::LParen)
-    {
-        return CommentPlacement::Default(comment);
+        TextRange::new(unary_op.start(), unary_op.operand.start()),
+    )
+    .skip_trivia();
+    let op_token = tokenizer.next();
+    debug_assert!(op_token.is_some_and(|token| matches!(
+        token.kind,
+        SimpleTokenKind::Tilde
+            | SimpleTokenKind::Not
+            | SimpleTokenKind::Plus
+            | SimpleTokenKind::Minus
+    )));
+    let up_to = tokenizer
+        .find(|token| token.kind == SimpleTokenKind::LParen)
+        .map_or(unary_op.operand.start(), |lparen| lparen.start());
+    if comment.end() < up_to {
+        CommentPlacement::leading(unary_op, comment)
+    } else {
+        CommentPlacement::Default(comment)
     }
-
-    CommentPlacement::dangling(comment.enclosing_node(), comment)
 }
 
 /// Attach an end-of-line comment immediately following an open bracket as a dangling comment on