added more checks for _length attribute

zopefoundation · Oct 15, 2004 · 4c8fedc · 4c8fedc
1 parent 8b78529
commit 4c8fedc
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Catalog.py b/Catalog.py
@@ -339,6 +339,8 @@ def catalogObject(self, object, uid, threshold=None, idxs=None,
         if index is None:  # we are inserting new data
             index = self.updateMetadata(object, uid)
 
+            if not hasattr(self, '_length'):
+                self.migrate__len__()
             self._length.change(1)
             self.uids[uid] = index
             self.paths[index] = uid
@@ -389,6 +391,8 @@ def uncatalogObject(self, uid):
             del data[rid]
             del paths[rid]
             del uids[uid]
+            if not hasattr(self, '_length'):
+                self.migrate__len__()
             self._length.change(-1)
 
         else: