Commit b6ea4f65 authored by Tatuya Kamada's avatar Tatuya Kamada

Raise meaningful error message instead of index error.

parent 02b0b49f
......@@ -1134,4 +1134,11 @@ class Resource(XMLObject, XMLMatrix, VariatedMixin):
query = self.ResourceModule_zGetQuantityUnitDefinitionRatio(
quantity_unit_uid=quantity_unit_uid,
resource_uid=self.getUid())
return query[0].quantity
try:
return query[0].quantity
except:
raise LookupError('Can not find the Quantity Unit Conversion '\
'Definition. Please make sure that Unit '\
'Conversion Definitions are indexed.'\
'quantity_unit_uid: %s, resource_uid: %s' \
% (quantity_unit_uid, self.getUid()))
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