Bug fix: use valid API.

Add some comments.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3783 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Constraint/CategoryExistence.py

@@ -52,10 +52,10 @@ class CategoryExistence(Constraint):
       # Check existence of base category
       error_message = "Category existence error for base category '%s': " % \
                       base_category
-      if not object.hasCategory(base_category):
+      if base_category not in object.getBaseCategoryList():
         error_message += " this document has no such category"
-      elif object.getProperty(base_category) is None:
-        error_message += " this property was not defined"
+      elif len(object.getCategoryMembershipList(base_category)) == 0:
+        error_message += " this category was not defined"
       else:
         error_message = None
       # Raise error

product/ERP5Type/Constraint/PropertyExistence.py

@@ -57,6 +57,8 @@ class PropertyExistence(Constraint):
       if not object.hasProperty(property_id):
         error_message += " this document has no such property"
       elif object.getProperty(property_id) is None:
+        # If value is '', attribute is considered a defined
+        # XXX is this the default API ?
         error_message += " this property was not defined"
       else:
         error_message = None