PAL12037. Add protection against None shapes and empty geom groups

diff --git a/src/SMESH_SWIG/smesh.py b/src/SMESH_SWIG/smesh.py
index ec24cadfa1999533434d241ea8538fa1c6ee47bc..5e37242dca44710a12be8e68e0fecd9c0d86a09c 100644 (file)
--- a/src/SMESH_SWIG/smesh.py
+++ b/src/SMESH_SWIG/smesh.py
@@ -128,6 +128,8 @@ class Mesh_Algorithm:
         """
          Private method
         """
+        if geom is None:
+            raise RuntimeError, "Attemp to create " + hypo + " algoritm on None shape"
         self.mesh = mesh
         piece = mesh.geom
         if geom==0:
@@ -606,6 +608,9 @@ class Mesh:
         elif tgeo == "SHELL":
             type = SMESH.VOLUME
         elif tgeo == "COMPOUND":
+            if len( geompy.GetObjectIDs( grp )) == 0:
+                print "Mesh.Group: empty geometric group", GetName( grp )
+                return 0
             tgeo = geompy.GetType(grp)
             if tgeo == geompy.ShapeType["VERTEX"]:
                 type = SMESH.NODE