Preserve parentheses in quadratic-list-summation

crates/ruff_linter/resources/test/fixtures/ruff/RUF017.py

@@ -19,3 +19,8 @@ def func():
     import functools, operator
 
     sum([x, y], [])
+
+
+# Regression test for: https://github.com/astral-sh/ruff/issues/7718
+def func():
+    sum((factor.dims for factor in bases), [])

crates/ruff_linter/src/rules/ruff/rules/quadratic_list_summation.rs

@@ -3,6 +3,8 @@ use itertools::Itertools;
 
 use ruff_diagnostics::{AlwaysFixableViolation, Diagnostic, Edit, Fix};
 use ruff_macros::{derive_message_formats, violation};
+use ruff_python_ast::node::AstNode;
+use ruff_python_ast::parenthesize::parenthesized_range;
 use ruff_python_ast::{self as ast, Arguments, Expr};
 use ruff_python_semantic::SemanticModel;
 use ruff_text_size::Ranged;
@@ -100,7 +102,15 @@ fn convert_to_reduce(iterable: &Expr, call: &ast::ExprCall, checker: &Checker) -
         checker.semantic(),
     )?;
 
-    let iterable = checker.locator().slice(iterable);
+    let iterable = checker.locator().slice(
+        parenthesized_range(
+            iterable.into(),
+            call.arguments.as_any_node_ref(),
+            checker.indexer().comment_ranges(),
+            checker.locator().contents(),
+        )
+        .unwrap_or(iterable.range()),
+    );
 
     Ok(Fix::suggested_edits(
         Edit::range_replacement(

crates/ruff_linter/src/rules/ruff/snapshots/ruff_linter__rules__ruff__tests__RUF017_RUF017.py.snap

@@ -146,5 +146,30 @@ RUF017.py:21:5: RUF017 [*] Avoid quadratic list summation
 20 20 | 
 21    |-    sum([x, y], [])
    21 |+    functools.reduce(operator.iadd, [x, y], [])
+22 22 | 
+23 23 | 
+24 24 | # Regression test for: https://github.com/astral-sh/ruff/issues/7718
+
+RUF017.py:26:5: RUF017 [*] Avoid quadratic list summation
+   |
+24 | # Regression test for: https://github.com/astral-sh/ruff/issues/7718
+25 | def func():
+26 |     sum((factor.dims for factor in bases), [])
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ RUF017
+   |
+   = help: Replace with `functools.reduce`
+
+ℹ Suggested fix
+   1  |+import functools
+   2  |+import operator
+1  3  | x = [1, 2, 3]
+2  4  | y = [4, 5, 6]
+3  5  | 
+--------------------------------------------------------------------------------
+23 25 | 
+24 26 | # Regression test for: https://github.com/astral-sh/ruff/issues/7718
+25 27 | def func():
+26    |-    sum((factor.dims for factor in bases), [])
+   28 |+    functools.reduce(operator.iadd, (factor.dims for factor in bases), [])