Fix binding issue related to unbound methods.

docs/changes.rst

@@ -1,6 +1,17 @@
 Release Notes
 =============
 
+Version 1.2.1
+-------------
+
+**Bugs Fixed**
+
+* In C implementation, not dealing with unbound method type creation
+  properly which would cause later problems when calling instance method
+  via the class type in certain circumstances. Introduced problem in 1.2.0.
+
+* Eliminated compiler warnings due to missing casts in C implementation.
+
 Version 1.2.0
 -------------
 

src/_wrappers.c

@@ -1718,11 +1718,6 @@ static PyObject *WraptFunctionWrapperBase_descr_get(
     }
 
     if (self->parent == Py_None) {
-        if (!obj)
-            obj = Py_None;
-        if (!type)
-            type = (PyObject *)Py_TYPE(obj);
-
         descriptor = (Py_TYPE(self->object_proxy.wrapped)->tp_descr_get)(
                 self->object_proxy.wrapped, obj, type);
 
@@ -1735,6 +1730,9 @@ static PyObject *WraptFunctionWrapperBase_descr_get(
         }
 
         if (descriptor) {
+            if (obj == NULL)
+                obj = Py_None;
+
             result = PyObject_CallFunctionObjArgs(bound_type ? bound_type :
                     (PyObject *)&WraptBoundFunctionWrapper_Type, descriptor,
                     obj, self->wrapper, self->enabled, self->binding,
@@ -1768,11 +1766,6 @@ static PyObject *WraptFunctionWrapperBase_descr_get(
         if (!wrapped)
             return NULL;
 
-        if (!obj)
-            obj = Py_None;
-        if (!type)
-            type = (PyObject *)Py_TYPE(obj);
-
         descriptor = (Py_TYPE(wrapped)->tp_descr_get)(wrapped, obj, type);
 
         Py_DECREF(wrapped);
@@ -1786,6 +1779,9 @@ static PyObject *WraptFunctionWrapperBase_descr_get(
         }
 
         if (descriptor) {
+            if (obj == NULL)
+                obj = Py_None;
+
             result = PyObject_CallFunctionObjArgs(bound_type ? bound_type :
                     (PyObject *)&WraptBoundFunctionWrapper_Type, descriptor,
                     obj, self->wrapper, self->enabled, self->binding,