Version: 7.8.0
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example7

AttributePersistentRef interface(creations/saving/restoring)
SALOMEDS methods : FindOrCreateAttribute, SaveAs, FindComponent FindAttribute Open
Attribute methods : SetValue, Value

# create AttributePersistentRef
#===========================================================
A = batchmode_geompy.myBuilder.FindOrCreateAttribute(batchmode_geompy.father, "AttributePersistentRef")
if A == None :
raise RuntimeError, "Can't create AttributePersistentRef attribute"
A = A._narrow(SALOMEDS.AttributePersistentRef)
if A == None :
raise RuntimeError, "Can't create AttributePersistentRef attribute"
A.SetValue("/tmp/test;1")
# save / restore study
#============================================================
str= os.getenv("TmpDir")
if str == None:
str = "/tmp"
file = str+"/test.hdf"
batchmode_geompy.myStudyManager.SaveAs(file, batchmode_geompy.myStudy)
openedStudy = batchmode_geompy.myStudyManager.Open(file);
if openedStudy == None:
raise RuntimeError, "Can't open saved study!"
father = openedStudy.FindComponent("GEOM")
if father is None:
raise RuntimeError, "Geom component is not found! Wrong study is opened."
# find AttributePersistentRef
#============================================================
res,A=father.FindAttribute("AttributePersistentRef")
if res == 0 or A == None:
raise RuntimeError, "Error: not found AttributePersistentRef"
A = A._narrow(SALOMEDS.AttributePersistentRef)
if A == None :
raise RuntimeError, "Can't create AttributePersistentRef attribute"
if A.Value() != "/tmp/test;1":
"Error: wrong value of AttributePersistentRef"