Can I call dynamo nodes in my custom Python Node?

[salvatoredragotta]

@alexischerner

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

clr.AddReference('DSCoreNodes') 
import DSCore
from DSCore import *

dataEnteringNode = IN
col=DSCore.Color.ByARGB(255, 200, 200, 200);

IN[0].OverrideColorInView(col);

OUT = IN[0]