py3: App: files D-Z ported to python3

issue 0000995
diff to py3-branch will remain in the following files in src/App:
- ExtensionContainer.cpp
- FeaturePythonPyImp.h +.inl
most likely these files depend on Tools and Base

src/App/FeaturePythonPyImp.h

@@ -37,6 +37,29 @@
         virtual ~_class_(); \
     };
 
+#if PY_MAJOR_VERSION >= 3
+#define PYTHON_TYPE_IMP(_class_, _subclass_) \
+    PyTypeObject _class_::Type = { \
+        PyVarObject_HEAD_INIT(&PyType_Type, 0) \
+        ""#_class_"",  \
+        sizeof(_class_),  \
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
+        Py_TPFLAGS_BASETYPE|Py_TPFLAGS_DEFAULT, \
+        ""#_class_"", \
+        0, 0, 0, 0, 0, 0, 0, 0, 0, \
+        &_subclass_::Type, \
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 \
+    }; \
+    _class_::_class_(Base::BaseClass *pcObject, PyTypeObject *T) \
+        : _subclass_(reinterpret_cast<_subclass_::PointerType>(pcObject), T) \
+    { \
+    } \
+    _class_::~_class_() \
+    { \
+    }
+
+#else
+
 #define PYTHON_TYPE_IMP(_class_, _subclass_) \
     PyTypeObject _class_::Type = { \
         PyObject_HEAD_INIT(&PyType_Type) \
@@ -58,6 +81,8 @@
     { \
     }
 
+#endif
+
 namespace App
 {