From 4845b9712f2c187743344eca43fa1fb896bddfd6 Mon Sep 17 00:00:00 2001
From: denballakh <47365157+denballakh@users.noreply.github.com>
Date: Thu, 10 Aug 2023 11:55:49 +0500
Subject: [PATCH] gh-107409: set `__wrapped__` attribute in
 `reprlib.recursive_repr` (#107410)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
---
 Lib/reprlib.py                                           | 1 +
 Lib/test/test_reprlib.py                                 | 9 +++++++++
 .../2023-07-29-02-36-50.gh-issue-107409.HG27Nu.rst       | 1 +
 3 files changed, 11 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2023-07-29-02-36-50.gh-issue-107409.HG27Nu.rst

diff --git a/Lib/reprlib.py b/Lib/reprlib.py
index a92b3e3dbb6..840dd0e2013 100644
--- a/Lib/reprlib.py
+++ b/Lib/reprlib.py
@@ -29,6 +29,7 @@ def recursive_repr(fillvalue='...'):
         wrapper.__name__ = getattr(user_function, '__name__')
         wrapper.__qualname__ = getattr(user_function, '__qualname__')
         wrapper.__annotations__ = getattr(user_function, '__annotations__', {})
+        wrapper.__wrapped__ = user_function
         return wrapper
 
     return decorating_function
diff --git a/Lib/test/test_reprlib.py b/Lib/test/test_reprlib.py
index e7216d42720..502287b620d 100644
--- a/Lib/test/test_reprlib.py
+++ b/Lib/test/test_reprlib.py
@@ -765,5 +765,14 @@ class TestRecursiveRepr(unittest.TestCase):
         for name in assigned:
             self.assertIs(getattr(wrapper, name), getattr(wrapped, name))
 
+    def test__wrapped__(self):
+        class X:
+            def __repr__(self):
+                return 'X()'
+            f = __repr__ # save reference to check it later
+            __repr__ = recursive_repr()(__repr__)
+
+        self.assertIs(X.f, X.__repr__.__wrapped__)
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/Misc/NEWS.d/next/Library/2023-07-29-02-36-50.gh-issue-107409.HG27Nu.rst b/Misc/NEWS.d/next/Library/2023-07-29-02-36-50.gh-issue-107409.HG27Nu.rst
new file mode 100644
index 00000000000..1ecc7207605
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-07-29-02-36-50.gh-issue-107409.HG27Nu.rst
@@ -0,0 +1 @@
+Set :attr:`!__wrapped__` attribute in :func:`reprlib.recursive_repr`.