[MERGE] forward port branch saas-14 up to 0c5cbbe0bb4

1 files changed, 21 insertions, 0 deletions

diff --git a/odoo/tools/misc.py b/odoo/tools/misc.py
index 05c772e71e4..2e0bc23ed30 100644
--- a/odoo/tools/misc.py
+++ b/odoo/tools/misc.py
@@ -21,6 +21,7 @@ import socket
 import sys
 import threading
 import time
+import types
 import werkzeug.utils
 import zipfile
 from cStringIO import StringIO
@@ -1253,3 +1254,23 @@ class Pickle(object):
     dump = cPickle.dump
 
 pickle = Pickle
+
+def wrap_module(module, attr_list):
+    """Helper for wrapping a package/module to expose selected attributes
+
+       :param Module module: the actual package/module to wrap, as returned by ``import <module>``
+       :param iterable attr_list: a global list of attributes to expose, usually the top-level
+            attributes and their own main attributes. No support for hiding attributes in case
+            of name collision at different levels.
+    """
+    attr_list = set(attr_list)
+    class WrappedModule(object):
+        def __getattr__(self, attrib):
+            if attrib in attr_list:
+                target = getattr(module, attrib)
+                if isinstance(target, types.ModuleType):
+                    return wrap_module(target, attr_list)
+                return target
+            raise AttributeError(attrib)
+    # module and attr_list are in the closure
+    return WrappedModule()