From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 8 Jan 2025 12:32:32 +0000 (+0100)
Subject: [3.13] gh-128615: Cover pickling of `ParamSpecArgs` and `ParamSpecKwargs` (GH-128616... 
X-Git-Tag: v3.13.2~125
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7e099c51b6404d8d6a5282ac20186d6bd4cda17d;p=thirdparty%2FPython%2Fcpython.git

[3.13] gh-128615: Cover pickling of `ParamSpecArgs` and `ParamSpecKwargs` (GH-128616) (#128625)

gh-128615: Cover pickling of `ParamSpecArgs` and `ParamSpecKwargs` (GH-128616)
(cherry picked from commit 74a517181a9bb65a1f6da149af7427a9fcb3add3)

Co-authored-by: sobolevn <mail@sobolevn.me>
---

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index cf0406faf116..140ceb747355 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -5177,6 +5177,18 @@ class GenericTests(BaseTestCase):
                 x = pickle.loads(z)
                 self.assertEqual(s, x)
 
+        # Test ParamSpec args and kwargs
+        global PP
+        PP = ParamSpec('PP')
+        for thing in [PP.args, PP.kwargs]:
+            for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+                with self.subTest(thing=thing, proto=proto):
+                    self.assertEqual(
+                        pickle.loads(pickle.dumps(thing, proto)),
+                        thing,
+                    )
+        del PP
+
     def test_copy_and_deepcopy(self):
         T = TypeVar('T')
         class Node(Generic[T]): ...