From a38315dd72a1cc7f76d85283b9dfb0360933f80d Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Thu, 27 Jan 2022 17:48:01 +0300
Subject: [PATCH 1/3] Do not leak `method_name` in `DeprecatedList`

---
 importlib_metadata/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/importlib_metadata/__init__.py b/importlib_metadata/__init__.py
index 7713e1e0..2b959c38 100644
--- a/importlib_metadata/__init__.py
+++ b/importlib_metadata/__init__.py
@@ -310,6 +310,7 @@ def wrapped(self, *args, **kwargs):
         'sort',
     ]:
         locals()[method_name] = _wrap_deprecated_method(method_name)
+    del method_name
 
     def __add__(self, other):
         if not isinstance(other, tuple):

From bf43585416b7ff2693822cce725561648d72407b Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Thu, 27 Jan 2022 23:03:48 -0500
Subject: [PATCH 2/3] Prefer functional approach, avoiding any locals.

---
 importlib_metadata/__init__.py | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/importlib_metadata/__init__.py b/importlib_metadata/__init__.py
index 2b959c38..3a62d56b 100644
--- a/importlib_metadata/__init__.py
+++ b/importlib_metadata/__init__.py
@@ -295,22 +295,15 @@ def wrapped(self, *args, **kwargs):
             self._warn()
             return getattr(super(), method_name)(*args, **kwargs)
 
-        return wrapped
-
-    for method_name in [
-        '__setitem__',
-        '__delitem__',
-        'append',
-        'reverse',
-        'extend',
-        'pop',
-        'remove',
-        '__iadd__',
-        'insert',
-        'sort',
-    ]:
-        locals()[method_name] = _wrap_deprecated_method(method_name)
-    del method_name
+        return method_name, wrapped
+
+    locals().update(
+        map(
+            _wrap_deprecated_method,
+            '__setitem__ __delitem__ append reverse extend pop remove '
+            '__iadd__ insert sort'.split(),
+        )
+    )
 
     def __add__(self, other):
         if not isinstance(other, tuple):

From 30a199a45a474ddd7d94ed0d7a19f6cb0984e7d1 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Thu, 27 Jan 2022 23:16:18 -0500
Subject: [PATCH 3/3] Update changelog.

---
 CHANGES.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index b692d3e4..9c707407 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,9 @@
+v4.10.2
+=======
+
+* #365 and bpo-46546: Avoid leaking ``method_name`` in
+  ``DeprecatedList``.
+
 v4.10.1
 =======