[MERGE] forward port branch 11.0 up to ced9156a97e

1 files changed, 20 insertions, 0 deletions

diff --git a/odoo/tools/misc.py b/odoo/tools/misc.py
index 8b1d7107c0d..639d9c7626e 100644
--- a/odoo/tools/misc.py
+++ b/odoo/tools/misc.py
@@ -1221,3 +1221,23 @@ pickle.load = _pickle_load
 pickle.loads = lambda text, encoding='ASCII': _pickle_load(io.BytesIO(text), encoding=encoding)
 pickle.dump = pickle_.dump
 pickle.dumps = pickle_.dumps
+
+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()