import items

oml/changelog.py

@@ -56,6 +56,15 @@ class Changelog(db.Model):
     def timestamp(self):
         return self.created.strftime('%s')
 
+    @classmethod
+    def apply_changes(cls, user, changes):
+        for change in changes:
+            if not Changelog.apply_change(user, change):
+                print 'FAIL', change
+                break
+                return False
+        return True
+
     @classmethod
     def apply_change(cls, user, change, rebuild=False):
         revision, timestamp, sig, data = change