webdav fixes

bzr revid: al@openerp.com-20121217021323-0u771l13oo3hqu7m

1 files changed, 12 insertions, 4 deletions

diff --git a/addons/document_webdav/nodes.py b/addons/document_webdav/nodes.py
index babe10a519e..aab83766514 100644
--- a/addons/document_webdav/nodes.py
+++ b/addons/document_webdav/nodes.py
@@ -27,10 +27,18 @@ import urllib
 import uuid
 from openerp import SUPERUSER_ID
 
-try:
-    from tools.dict_tools import dict_filter
-except ImportError:
-    from document.dict_tools import dict_filter
+def dict_filter(srcdic, keys, res=None):
+    ''' Return a copy of srcdic that has only keys set.
+    If any of keys are missing from srcdic, the result won't have them, 
+    either.
+    @param res If given, result will be updated there, instead of a new dict.
+    '''
+    if res is None:
+        res = {}
+    for k in keys:
+        if k in srcdic:
+            res[k] = srcdic[k]
+    return res
 
 class node_acl_mixin(object):
     def _get_dav_owner(self, cr):