pythongh-133167: Fix compilation process with --enable-optimizations and --without-docstrings (python#133187)

Author: sobolevn

Lib/test/support/__init__.py

@@ -1332,8 +1332,8 @@ def _check_docstrings():
                         sys.platform != 'win32' and
                         not sysconfig.get_config_var('WITH_DOC_STRINGS'))
 
-HAVE_DOCSTRINGS = (_check_docstrings.__doc__ is not None and
-                   not MISSING_C_DOCSTRINGS)
+HAVE_PY_DOCSTRINGS = _check_docstrings.__doc__ is not None
+HAVE_DOCSTRINGS = (HAVE_PY_DOCSTRINGS and not MISSING_C_DOCSTRINGS)
 
 requires_docstrings = unittest.skipUnless(HAVE_DOCSTRINGS,
                                           "test requires docstrings")

Lib/test/test_functools.py

@@ -2952,7 +2952,7 @@ def static_func(arg: int) -> str:
                 self.assertEqual(meth.__qualname__, prefix + meth.__name__)
                 self.assertEqual(meth.__doc__,
                                  ('My function docstring'
-                                  if support.HAVE_DOCSTRINGS
+                                  if support.HAVE_PY_DOCSTRINGS
                                   else None))
                 self.assertEqual(meth.__annotations__['arg'], int)
 
@@ -3107,7 +3107,7 @@ def decorated_classmethod(cls, arg: int) -> str:
             with self.subTest(meth=meth):
                 self.assertEqual(meth.__doc__,
                                  ('My function docstring'
-                                  if support.HAVE_DOCSTRINGS
+                                  if support.HAVE_PY_DOCSTRINGS
                                   else None))
                 self.assertEqual(meth.__annotations__['arg'], int)
 
@@ -3584,7 +3584,7 @@ def test_access_from_class(self):
     def test_doc(self):
         self.assertEqual(CachedCostItem.cost.__doc__,
                          ("The cost of the item."
-                          if support.HAVE_DOCSTRINGS
+                          if support.HAVE_PY_DOCSTRINGS
                           else None))
 
     def test_module(self):

Lib/test/test_operator.py

@@ -636,20 +636,23 @@ def test_dunder_is_original(self):
             if dunder:
                 self.assertIs(dunder, orig)
 
+    @support.requires_docstrings
     def test_attrgetter_signature(self):
         operator = self.module
         sig = inspect.signature(operator.attrgetter)
         self.assertEqual(str(sig), '(attr, /, *attrs)')
         sig = inspect.signature(operator.attrgetter('x', 'z', 'y'))
         self.assertEqual(str(sig), '(obj, /)')
 
+    @support.requires_docstrings
     def test_itemgetter_signature(self):
         operator = self.module
         sig = inspect.signature(operator.itemgetter)
         self.assertEqual(str(sig), '(item, /, *items)')
         sig = inspect.signature(operator.itemgetter(2, 3, 5))
         self.assertEqual(str(sig), '(obj, /)')
 
+    @support.requires_docstrings
     def test_methodcaller_signature(self):
         operator = self.module
         sig = inspect.signature(operator.methodcaller)

Misc/NEWS.d/next/Build/2025-04-30-10-23-18.gh-issue-133167.E0jrYJ.rst

@@ -0,0 +1,2 @@
+Fix compilation process with ``--enable-optimizations`` and
+``--without-docstrings``.