backward compatible interface for bsddb
diff --git a/Lib/dbhash.py b/Lib/dbhash.py
new file mode 100644
index 0000000..57c6194
--- /dev/null
+++ b/Lib/dbhash.py
@@ -0,0 +1,8 @@
+"""Provide a (g)dbm-compatible interface to bsdhash.hashopen."""
+
+import bsddb
+
+error = bsddb.error
+
+def open(file, flag, mode):
+    return bsddb.hashopen(file, flag, mode)