Changeset 8338 for main/waeup.kofa/trunk

Timestamp:

4 May 2012, 10:46:23 (13 years ago)

Author:

uli

Message:

Make study levels more robust.

File:

• main/waeup.kofa/trunk/src/waeup/kofa/students/studylevel.py (modified) (1 diff)

main/waeup.kofa/trunk/src/waeup/kofa/students/studylevel.py

@@ -99 +99 @@
 
     def getStudent(self):
-        return self.__parent__.__parent__.__parent__
+        """Get the associated student object.
+        """
+        # XXX: shouldn't that be an attribute?
+        try:
+            return self.__parent__.__parent__.__parent__
+        except AttributeError:
+            return None
 
     def getLevel(self):
         """Returns the id of the level the ticket has been added to.
         """
-        return self.__parent__.level
+        # XXX: shouldn't that be an attribute?
+        try:
+            return self.__parent__.level
+        except AttributeError:
+            return None
 
     def getLevelSession(self):
         """Returns the session of the level the ticket has been added to.
         """
-        return self.__parent__.level_session
+        # XXX: shouldn't that be an attribute?
+        try:
+            return self.__parent__.level_session
+        except AttributeError:
+            return None