python · encukou · May 29, 2025 · May 11, 2025 · May 11, 2025 · May 11, 2025
diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
@@ -121,6 +121,13 @@ Deprecated
 Removed
 =======

+ctypes
+------
+
+* The undocumented function :func:`!ctypes.SetPointerType`.
+  (Contributed by Bénédikt Tran in :gh:`133866`.)
+
+
 sysconfig
 ---------


diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
@@ -379,12 +379,6 @@ def create_unicode_buffer(init, size=None):
        return buf
    raise TypeError(init)

-
-def SetPointerType(pointer, cls):
-    import warnings
-    warnings._deprecated("ctypes.SetPointerType", remove=(3, 15))
-    pointer.set_type(cls)
-
 def ARRAY(typ, len):
    return typ * len


diff --git a/Lib/test/test_ctypes/test_incomplete.py b/Lib/test/test_ctypes/test_incomplete.py
@@ -21,9 +21,7 @@ class cell(Structure):
            _fields_ = [("name", c_char_p),
                        ("next", lpcell)]

-        with warnings.catch_warnings():
-            warnings.simplefilter('ignore', DeprecationWarning)
-            ctypes.SetPointerType(lpcell, cell)
+        lpcell.set_type(cell)

        self.assertIs(POINTER(cell), lpcell)

@@ -50,10 +48,9 @@ class cell(Structure):
            _fields_ = [("name", c_char_p),
                        ("next", lpcell)]

-        with self.assertWarns(DeprecationWarning):
-            ctypes.SetPointerType(lpcell, cell)
-
+        lpcell.set_type(cell)
        self.assertIs(POINTER(cell), lpcell)

+
 if __name__ == '__main__':
    unittest.main()
diff --git a/Misc/NEWS.d/next/Library/2025-05-11-10-01-48.gh-issue-133866.g3dHP_.rst b/Misc/NEWS.d/next/Library/2025-05-11-10-01-48.gh-issue-133866.g3dHP_.rst
@@ -0,0 +1,2 @@
+Remove the undocumented function :func:`!ctypes.SetPointerType`.
+Patch by Bénédikt Tran.
-Original file line number
+Diff line change
@@ -121,6 +121,13 @@ Deprecated
     Removed
     =======
+    ctypes
+    ------
+    * The undocumented function :func:`!ctypes.SetPointerType`.
+      (Contributed by Bénédikt Tran in :gh:`133866`.)
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     sysconfig
     ---------
-          Expand Down