Support staticmethod.__func__

src/runtime/descr.cpp

@@ -608,6 +608,7 @@ void setupDescr() {
     property_cls->giveAttrMember("__doc__", T_OBJECT, offsetof(BoxedProperty, prop_doc));
     property_cls->freeze();
 
+    staticmethod_cls->giveAttrMember("__func__", T_OBJECT, offsetof(BoxedStaticmethod, sm_callable));
     staticmethod_cls->giveAttr(
         "__init__", new BoxedFunction(FunctionMetadata::create((void*)staticmethodInit, UNKNOWN, 5, false, false),
                                       { None, None, None, None }));
@@ -617,6 +618,7 @@ void setupDescr() {
     staticmethod_cls->freeze();
 
 
+    classmethod_cls->giveAttrMember("__func__", T_OBJECT, offsetof(BoxedClassmethod, cm_callable));
     classmethod_cls->giveAttr(
         "__init__", new BoxedFunction(FunctionMetadata::create((void*)classmethodInit, UNKNOWN, 5, false, false),
                                       { None, None, None, None }));

test/tests/static_class_methods.py

@@ -11,6 +11,11 @@ c = C()
 c.f(1, 2, 3, 4)
 c.g(5, 6, 7, 8)
 
+assert C.__dict__['f'].__func__ is C.f
+assert C.__dict__['g'].__func__ is C.g.im_func
+c.f.__call__(1, 2, 3, 4)
+c.g.__call__(5, 6, 7, 8)
+
 C.f(9, 10, 11, 12)
 C.f(13, 14, 15, 16)