bpo-32265: Classify class and static methods of builtin types. (#4776)

Add types.ClassMethodDescriptorType for unbound class methods.

1 files changed, 14 insertions, 1 deletions

diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 5b5bc65..e8eddbe 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -858,7 +858,8 @@ class TestClassesAndFunctions(unittest.TestCase):
 
         attrs = attrs_wo_objs(A)
 
-        self.assertIn(('__new__', 'method', object), attrs, 'missing __new__')
+        self.assertIn(('__new__', 'static method', object), attrs,
+                      'missing __new__')
         self.assertIn(('__init__', 'method', object), attrs, 'missing __init__')
 
         self.assertIn(('s', 'static method', A), attrs, 'missing static method')
@@ -923,6 +924,18 @@ class TestClassesAndFunctions(unittest.TestCase):
             if isinstance(builtin, type):
                 inspect.classify_class_attrs(builtin)
 
+        attrs = attrs_wo_objs(bool)
+        self.assertIn(('__new__', 'static method', bool), attrs,
+                      'missing __new__')
+        self.assertIn(('from_bytes', 'class method', int), attrs,
+                      'missing class method')
+        self.assertIn(('to_bytes', 'method', int), attrs,
+                      'missing plain method')
+        self.assertIn(('__add__', 'method', int), attrs,
+                      'missing plain method')
+        self.assertIn(('__and__', 'method', bool), attrs,
+                      'missing plain method')
+
     def test_classify_DynamicClassAttribute(self):
         class Meta(type):
             def __getattr__(self, name):