Added a simple python test to swig python wrapper

Author: tfmoraes

test_python_wrapper.py

@@ -0,0 +1,27 @@
+import sys
+
+import vtk
+import ca_smoothing
+
+stl = vtk.vtkSTLReader()
+stl.SetFileName(sys.argv[1])
+stl.Update()
+
+normals = vtk.vtkPolyDataNormals()
+normals.SetInput(stl.GetOutput())
+normals.ComputeCellNormalsOn()
+normals.Update()
+
+clean = vtk.vtkCleanPolyData()
+clean.SetInput(normals.GetOutput())
+clean.Update()
+
+pd = clean.GetOutput()
+pd.BuildLinks()
+
+tpd = ca_smoothing.ca_smoothing(pd, 0.7, 3, 0.2, 10)
+
+ply = vtk.vtkPLYWriter()
+ply.SetFileName(sys.argv[2])
+ply.SetInput(tpd)
+ply.Write()