[flake8-raise] Make fix unsafe if it deletes comments (RSE102) (#18788)

crates/ruff_linter/resources/test/fixtures/flake8_raise/RSE102.py

@@ -105,3 +105,8 @@ if future.exception():
 future = executor.submit(float, "a")
 if future.exception():
     raise future.Exception()
+
+
+raise TypeError(
+    # comment
+)

crates/ruff_linter/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs

@@ -36,6 +36,10 @@ use crate::{AlwaysFixableViolation, Applicability, Edit, Fix};
 /// raise TypeError
 /// ```
 ///
+/// ## Fix Safety
+/// This rule's fix is marked as unsafe if removing the parentheses would also remove comments
+/// or if it’s unclear whether the expression is a class or a function call.
+///
 /// ## References
 /// - [Python documentation: The `raise` statement](https://docs.python.org/3/reference/simple_stmts.html#the-raise-statement)
 #[derive(ViolationMetadata)]
@@ -133,13 +137,17 @@ pub(crate) fn unnecessary_paren_on_raise_exception(checker: &Checker, expr: &Exp
                 },
             ));
         } else {
+            let applicability = if exception_type.is_some()
+                && !checker.comment_ranges().intersects(arguments.range())
+            {
+                Applicability::Safe
+            } else {
+                Applicability::Unsafe
+            };
+
             diagnostic.set_fix(Fix::applicable_edit(
                 Edit::range_deletion(arguments.range()),
-                if exception_type.is_some() {
-                    Applicability::Safe
-                } else {
-                    Applicability::Unsafe
-                },
+                applicability,
             ));
         }
     }

crates/ruff_linter/src/rules/flake8_raise/snapshots/ruff_linter__rules__flake8_raise__tests__unnecessary-paren-on-raise-exception_RSE102.py.snap

@@ -167,7 +167,7 @@ RSE102.py:37:16: RSE102 [*] Unnecessary parentheses on raised exception
    |
    = help: Remove unnecessary parentheses
 
-ℹ Safe fix
+ℹ Unsafe fix
 34 34 | )
 35 35 | 
 36 36 | # RSE102
@@ -296,3 +296,25 @@ RSE102.py:107:27: RSE102 [*] Unnecessary parentheses on raised exception
 106 106 | if future.exception():
 107     |-    raise future.Exception()
     107 |+    raise future.Exception
+108 108 | 
+109 109 | 
+110 110 | raise TypeError(
+
+RSE102.py:110:16: RSE102 [*] Unnecessary parentheses on raised exception
+    |
+110 |   raise TypeError(
+    |  ________________^
+111 | |     # comment
+112 | | )
+    | |_^ RSE102
+    |
+    = help: Remove unnecessary parentheses
+
+ℹ Unsafe fix
+107 107 |     raise future.Exception()
+108 108 | 
+109 109 | 
+110     |-raise TypeError(
+111     |-    # comment
+112     |-)
+    110 |+raise TypeError