Changeset 7938

Timestamp:

21 Mar 2012, 18:09:06 (13 years ago)

Author:

uli

Message:

Trying to understand.

File:

• main/waeup.kofa/trunk/src/waeup/kofa/utils/batching.py (modified) (2 diffs)

main/waeup.kofa/trunk/src/waeup/kofa/utils/batching.py

@@ -189 +189 @@
 
     def checkConstraints(self, obj, row, site):
-        """Checks constraints the object must fulfill
-        before being updated.
-        """
-        return False
+        """Checks constraints the object must fulfill when being updated.
+
+        This method is not used in case of deleting or adding objects.
+
+        Returns error messages as strings in case of constraint
+        problems.
+        """
+        return None
 
     def updateEntry(self, obj, row, site):
@@ -334 +338 @@
                     continue
                 update_errors = self.checkConstraints(obj, row, site)
-                if update_errors is not False:
+                if update_errors is not None:
                     num_warns += 1
                     self.writeFailedRow(