Catch the error raised by portal_catalog.getObject when the uid is a string.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4356 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/MultiRelationField.py

@@ -411,7 +411,11 @@ class MultiRelationStringFieldValidator(Validator.LinesValidator,  RelationField
               if relation_uid not in (None, ''):
                 # A value has been defined by the user in  popup menu
                 if type(relation_uid) in (type([]), type(())): relation_uid = relation_uid[0]
+                try:
                   related_object = portal_catalog.getObject(relation_uid)
+                except ValueError:
+                  # Catch the exception raised when the uid is a string
+                  related_object = None
                 if related_object is not None:
                   display_text = str(related_object.getProperty(catalog_index))
                 else:

product/ERP5Form/RelationField.py

@@ -350,7 +350,11 @@ class RelationStringFieldValidator(Validator.StringValidator):
           else:
             relation_uid = relation_uid[0]
 
+        try:
           related_object = portal_catalog.getObject(relation_uid)
+        except ValueError:
+          # Catch the error raised when the uid is a string
+          related_object = None
         if related_object is not None:
           display_text = str(related_object.getProperty(catalog_index))
         else: