.

wcfs/testprog/treedelta-genallstructs.py

@@ -61,12 +61,17 @@ from zodbtools.util import storageFromURL, ashex
 
 from persistent import CHANGED
 from persistent.mapping import PersistentMapping
-import BTrees.LOBTree
 
+#from BTrees import LOBTree
+# XXX hack set LOBTree.LOBTree -> XLOTree so that 
+# XXX hack set XLOTree module/class -> BTree.LOBTree.LOBTree so that generated
+# database looks as if regular LOBTree was used. However XLOTree has small max
+# node sizes (which we cannot tune directly in LOBTree)
+XLOTree = xbtree_test.XLOTree
 
-# XXX
-#
-# kv: k₁:v₁,k₂:v₂,...
+
+# treedeltaGenAllStructs generates subset of all possible tree changes in between kv1 and kv2.
+# See top-level documentation for details.
 @func
 def treedeltaGenAllStructs(zstor, kv1txt, kv2txt, n, seed=None):
     db = DB(zstor);     defer(db.close)
@@ -112,7 +117,7 @@ def treedeltaGenAllStructs(zstor, kv1txt, kv2txt, n, seed=None):
     t2AllStructs = list(xbtree.AllStructs(kv2.keys(), maxdepth, maxsplit))
 
     # create the tree
-    ztree = root['treedelta/tree'] = xbtree_test.XLOTree()
+    ztree = root['treedelta/tree'] = XLOTree()
     commit('treedelta/tree')
     # XXX print something?