Compatibility between 2.8 and 2.12: allow testing 'some_id in container' also

in 2.8 to avoid failures in 2.8 that pass in 2.12


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43302 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/ObjectManager.py

@@ -46,3 +46,9 @@ def ObjectManager_importObjectFromFile(self, filepath, verify=1, set_owner=1, id
     return ob
 
 ObjectManager._importObjectFromFile=ObjectManager_importObjectFromFile
+
+# BACK: allow using 'some_id in folder' construct in 2.8
+def ObjectManager_contains(self, name):
+  return name in self.objectIds()
+if '__contains__' not in ObjectManager.__dict__:
+  ObjectManager.__contains__ = ObjectManager_contains