Make noqa parsing consistent and more robust

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

@@ -19,5 +19,6 @@ def f():
 
 
 def f():
-    # Only `E741` should be ignored by the `noqa`.
+    # Neither of these are ignored and warning is
+    # logged to user
     I = 1  # noqa: E741.F841

crates/ruff_linter/src/checkers/ast/mod.rs

@@ -293,7 +293,14 @@ impl<'a> Checker<'a> {
         if !self.noqa.is_enabled() {
             return false;
         }
-        noqa::rule_is_ignored(code, offset, self.noqa_line_for, self.locator)
+
+        noqa::rule_is_ignored(
+            code,
+            offset,
+            self.noqa_line_for,
+            self.comment_ranges(),
+            self.locator,
+        )
     }
 
     /// Create a [`Generator`] to generate source code based on the current AST state.

crates/ruff_linter/src/checkers/noqa.rs

@@ -38,7 +38,8 @@ pub(crate) fn check_noqa(
     let exemption = FileExemption::from(&file_noqa_directives);
 
     // Extract all `noqa` directives.
-    let mut noqa_directives = NoqaDirectives::from_commented_ranges(comment_ranges, path, locator);
+    let mut noqa_directives =
+        NoqaDirectives::from_commented_ranges(comment_ranges, &settings.external, path, locator);
 
     // Indices of diagnostics that were ignored by a `noqa` directive.
     let mut ignored_diagnostics = vec![];