Added comments

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2820 b32b6428-25c9-4566-ad07-03861ab6144f

apps/dashboard/xaal/dashboard/core/json.py

@@ -21,9 +21,11 @@ def cleanup(obj):
     """ 
     recursive walk a object to search for un-wanted CBOR tags.
     Transform this tag in string format, this can be UUID, URL..
-    Should be Ok, with list, dicts.. 
-    Warning: This operate in-place changes. 
-    Warning: This won't work for tags in dict keys.
+
+    /!\ use with caution, this operate in-place changes.
+
+    This is quite the same code as cbor.cleanup() but simply call
+    get() instead of str() 
     """
     if isinstance(obj,list):
         for i in range(0,len(obj)):
@@ -41,8 +43,8 @@ def cleanup(obj):
     else:
         return obj
 
-
 def prepare_cbor(obj):
+    """ transfor a cbor object into something that rapdjson can handle """
     import copy
     r = copy.deepcopy(obj)
     return cleanup(r)