Index: lnt/server/db/migrate.py
===================================================================
--- lnt/server/db/migrate.py
+++ lnt/server/db/migrate.py
@@ -162,7 +162,8 @@
         upgrade_script = schema_migrations[db_version]
 
         globals = {}
-        execfile(upgrade_script, globals)
+        exec(compile(open(upgrade_script).read(), upgrade_script, 'exec'),
+             globals)
         upgrade_method = globals['upgrade']
 
         # Execute the upgrade.
Index: lnt/server/db/rules_manager.py
===================================================================
--- lnt/server/db/rules_manager.py
+++ lnt/server/db/rules_manager.py
@@ -66,7 +66,7 @@
     global HOOKS_LOADED
     for name, path in list(load_rules().items()):
         globals = {}
-        execfile(path, globals)
+        exec(compile(open(path).read(), path, 'exec'), globals)
         DESCRIPTIONS[name] = globals['__doc__']
         for hook_name in list(HOOKS.keys()):
             if hook_name in globals: