add utils/compat.py

salt/utils/compat.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+'''
+Compatibility functions for utils
+'''
+
+# Import python libs
+from __future__ import absolute_import
+import sys
+
+# Import salt libs
+import salt.loader
+
+
+def pack_dunder(name):
+    '''
+    Compatibility helper function to make __utils__ available on demand.
+    '''
+    # TODO: Deprecate starting with Beryllium
+
+    mod = sys.modules[name]
+    if not hasattr(mod, '__utils__'):
+        setattr(mod, '__utils__', salt.loader.utils(mod.__opts__))