import Path
import Part
sel = Gui.Selection.getSelectionEx()[0]
obj = sel.Object

shape1 = obj.Shape

area = Path.Area(FitArcs=True, Offset=1.0)
area.setPlane(Part.makeCircle(10))
area.add(shape1, op=0)
Part.show(area.getShape())

i=0
while True:
   shape = area.getShape(i)
   if shape.isNull():
      break
   Part.show(shape)
   i+=1