Avoid flagging RUF100 as a RUF100 violation (#1305)

resources/test/fixtures/ruff/RUF100.py

@@ -79,3 +79,10 @@ _ = """Here's a source: https://github.com/ethereum/web3.py/blob/ffe59daf10edc19
 May raise:
 - DeserializationError if the abi string is invalid or abi or log topics/data do not match
 """  # noqa: E501
+
+import collections  # noqa
+import os  # noqa: F401, RUF100
+import shelve  # noqa: RUF100
+import sys  # noqa: F401, RUF100
+
+print(sys.path)

src/checkers/noqa.rs

@@ -100,18 +100,32 @@ pub fn check_noqa(
                 Directive::Codes(spaces, start, end, codes) => {
                     let mut invalid_codes = vec![];
                     let mut valid_codes = vec![];
+                    let mut self_ignore = false;
                     for code in codes {
                         let code = CODE_REDIRECTS.get(code).map_or(code, AsRef::as_ref);
-                        if matches.contains(&code) || settings.external.contains(code) {
-                            valid_codes.push(code.to_string());
+                        if code == CheckCode::RUF100.as_ref() {
+                            self_ignore = true;
                         } else {
-                            invalid_codes.push(code.to_string());
+                            if matches.contains(&code) || settings.external.contains(code) {
+                                valid_codes.push(code);
+                            } else {
+                                invalid_codes.push(code);
                             }
                         }
+                    }
+
+                    if self_ignore {
+                        continue;
+                    }
 
                     if !invalid_codes.is_empty() {
                         let mut check = Check::new(
-                            CheckKind::UnusedNOQA(Some(invalid_codes)),
+                            CheckKind::UnusedNOQA(Some(
+                                invalid_codes
+                                    .iter()
+                                    .map(|code| (*code).to_string())
+                                    .collect(),
+                            )),
                             Range {
                                 location: Location::new(row + 1, start),
                                 end_location: Location::new(row + 1, end),

src/ruff/mod.rs

@@ -38,6 +38,7 @@ mod tests {
             &settings::Settings::for_rules(vec![
                 CheckCode::RUF100,
                 CheckCode::E501,
+                CheckCode::F401,
                 CheckCode::F841,
             ]),
         )?;

src/ruff/snapshots/ruff__ruff__tests__ruf100.snap

@@ -182,4 +182,22 @@ expression: checks
     end_location:
       row: 71
       column: 11
+- kind:
+    UnusedImport:
+      - shelve
+      - false
+  location:
+    row: 85
+    column: 7
+  end_location:
+    row: 85
+    column: 13
+  fix:
+    content: ""
+    location:
+      row: 85
+      column: 0
+    end_location:
+      row: 86
+      column: 0