Register Entity classes in modules from which they are imported

	 * src/dynamic_graph/entity.py.

src/dynamic_graph/entity.py

@@ -5,7 +5,7 @@
 """
 import wrap, signal_base
 
-entityList = []
+entityClassNameList = []
 
 def initEntity(self, name):
     """
@@ -13,9 +13,9 @@ def initEntity(self, name):
     """
     Entity.__init__(self, self.class_name, name)
 
-def updateEntityClasses():
-    entityTypeList = wrap.factory_get_entity_class_list()
-    for e in entityTypeList:
+def updateEntityClasses(dictionary):
+    cxx_entityList = wrap.factory_get_entity_class_list()
+    for e in filter(lambda x: not x in entityClassNameList, cxx_entityList):
         class metacls(type):
             def __new__(mcs, name, bases, dict):
                 return type.__new__(mcs, name, bases, dict)
@@ -24,11 +24,12 @@ def updateEntityClasses():
         a = metacls(e, (Entity,), {})
         # Store class name in class member
         a.class_name = e
-        print ("new class %s"%e)
         # set class constructor
         setattr(a, '__init__', initEntity)
         # Store new class in dictionary with class name
-        globals()[e] = a
+        dictionary[e] = a
+        # Store class name in local list
+        entityClassNameList.append(e)
 
 
 class Entity (object) :