From 884e9942959c787c4d0610c0244dfb05e3826a52 Mon Sep 17 00:00:00 2001
From: CPython Developers <>
Date: Thu, 9 May 2024 15:25:41 +0900
Subject: [PATCH] Update ipaddress from CPython v3.12.3

---
 Lib/ipaddress.py           | 6 +++---
 Lib/test/test_ipaddress.py | 7 +++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index 1cb71d8032..9ca90fd0f7 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -1821,9 +1821,6 @@ def _string_from_ip_int(cls, ip_int=None):
     def _explode_shorthand_ip_string(self):
         """Expand a shortened IPv6 address.
 
-        Args:
-            ip_str: A string, the IPv6 address.
-
         Returns:
             A string, the expanded IPv6 address.
 
@@ -1941,6 +1938,9 @@ def __eq__(self, other):
             return False
         return self._scope_id == getattr(other, '_scope_id', None)
 
+    def __reduce__(self):
+        return (self.__class__, (str(self),))
+
     @property
     def scope_id(self):
         """Identifier of a particular zone of the address's scope.
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py
index a5388b2e5d..fc27628af1 100644
--- a/Lib/test/test_ipaddress.py
+++ b/Lib/test/test_ipaddress.py
@@ -4,6 +4,7 @@
 """Unittest for ipaddress module."""
 
 
+import copy
 import unittest
 import re
 import contextlib
@@ -542,11 +543,17 @@ def assertBadPart(addr, part):
 
     def test_pickle(self):
         self.pickle_test('2001:db8::')
+        self.pickle_test('2001:db8::%scope')
 
     def test_weakref(self):
         weakref.ref(self.factory('2001:db8::'))
         weakref.ref(self.factory('2001:db8::%scope'))
 
+    def test_copy(self):
+        addr = self.factory('2001:db8::%scope')
+        self.assertEqual(addr, copy.copy(addr))
+        self.assertEqual(addr, copy.deepcopy(addr))
+
 
 class NetmaskTestMixin_v4(CommonTestMixin_v4):
     """Input validation on interfaces and networks is very similar"""