+OpenDataFile(file_name)
+#reader = OpenDataFile(file_name)
+#reader = MEDReader(FileName=file_name)
+#keys = reader.GetProperty("FieldsTreeInfo")[::2]
+#reader.AllArrays = [keys[0]]
+#SetActiveSource(reader)
+
+#reader.UpdatePipelineInformation()
+#from paraview import servermanager
+#res = servermanager.Fetch(reader,0)
+#print res
+