Use functools.wraps.

Author: ZeroIntensity

Lib/ctypes/util.py

@@ -3,6 +3,7 @@
 
 from dataclasses import dataclass
 
+lazy import functools
 lazy import shutil
 lazy import subprocess
 
@@ -540,20 +541,18 @@ def _process_struct(klass, /, *, align, layout, endian, pack):
     else:
         raise ValueError(f"expected 'big', 'little', or 'native', but got {endian!r}")
 
-    class _Struct(endian_class):
-        vars().update(vars(klass))
-        if align is not None:
-            _align_ = align
-        if layout is not None:
-            _layout_ = layout
-        if pack is not None:
-            _pack_ = pack
-        _fields_ = fields
-        _anonymous_ = anonymous
-
-    _Struct.__name__ = klass.__name__
-    _Struct.__qualname__ = klass.__qualname__
-    _Struct.__module__ = klass.__module__
+    @functools.wraps(klass, updated=())
+    class _Struct(endian_class):
+        vars().update(vars(klass))
+        if align is not None:
+            _align_ = align
+        if layout is not None:
+            _layout_ = layout
+        if pack is not None:
+            _pack_ = pack
+        _fields_ = fields
+        _anonymous_ = anonymous
+
     return _Struct