add define to inactivate some code blocks if needed

src/Base/PyObjectBase.cpp

@@ -32,6 +32,8 @@
 #include "Console.h"
 #include "Interpreter.h"
 
+#define ATTR_TRACKING
+
 using namespace Base;
 
 PyObject* Base::BaseExceptionFreeCADError = 0;
@@ -164,6 +166,7 @@ PyObject* PyObjectBase::__getattro(PyObject * obj, PyObject *attro)
         return NULL;
     }
 
+#ifdef ATTR_TRACKING
     // If an attribute references this as parent then reset it (bug #0002902)
     PyObject* cur = pyObj->getTrackedAttribute(attr);
     if (cur) {
@@ -173,9 +176,10 @@ PyObject* PyObjectBase::__getattro(PyObject * obj, PyObject *attro)
             pyObj->untrackAttribute(attr);
         }
     }
+#endif
 
     PyObject* value = pyObj->_getattr(attr);
-#if 1
+#ifdef ATTR_TRACKING
     if (value && PyObject_TypeCheck(value, &(PyObjectBase::Type))) {
         if (!static_cast<PyObjectBase*>(value)->isConst() &&
             !static_cast<PyObjectBase*>(value)->isNotTracking()) {
@@ -223,6 +227,7 @@ int PyObjectBase::__setattro(PyObject *obj, PyObject *attro, PyObject *value)
         return -1;
     }
 
+#ifdef ATTR_TRACKING
     // If an attribute references this as parent then reset it
     // before setting the new attribute
     PyObject* cur = static_cast<PyObjectBase*>(obj)->getTrackedAttribute(attr);
@@ -233,9 +238,10 @@ int PyObjectBase::__setattro(PyObject *obj, PyObject *attro, PyObject *value)
             static_cast<PyObjectBase*>(obj)->untrackAttribute(attr);
         }
     }
+#endif
 
     int ret = static_cast<PyObjectBase*>(obj)->_setattr(attr, value);
-#if 1
+#ifdef ATTR_TRACKING
     if (ret == 0) {
         static_cast<PyObjectBase*>(obj)->startNotify();
     }