+%{
+// Python's PyInstance_Check does not return True for instances of new-style
+// classes. This should get close enough for both new and old classes but I
+// should re-evaluate the need for doing instance checks...
+bool wxPyInstance_Check(PyObject* obj) {
+ return PyObject_HasAttrString(obj, "__class__") != 0;
+}
+
+
+// This one checks if the object is an instance of a SWIG proxy class (it has
+// a .this attribute, and the .this attribute is a PySwigObject.)
+bool wxPySwigInstance_Check(PyObject* obj) {
+ static PyObject* this_str = NULL;
+ if (this_str == NULL)
+ this_str = PyString_FromString("this");
+
+ PyObject* this_attr = PyObject_GetAttr(obj, this_str);
+ if (this_attr) {
+ bool retval = (PySwigObject_Check(this_attr) != 0);
+ Py_DECREF(this_attr);
+ return retval;
+ }
+
+ PyErr_Clear();
+ return false;
+}
+