Bugfix avec zope-2.12.

diff --git a/metadata.py b/metadata.py
index 96a44aa..0b11842 100755 (executable)
--- a/metadata.py
+++ b/metadata.py
@@ -24,6 +24,7 @@ $URL: http://svn.luxia.fr/svn/labo/projects/zope/Photo/trunk/metadata.py $
 """
 
 from AccessControl import ClassSecurityInfo
+from Acquisition import aq_base
 from Globals import InitializeClass
 from AccessControl.Permissions import view
 from ZODB.interfaces import BlobError
@@ -168,7 +169,7 @@ class Metadata :
                root = info['root']
                rdfType = info['rdfType'].capitalize()
                methName = 'getXmp%s' % rdfType
-               meth = getattr(self.aq_base, methName)
+               meth = getattr(aq_base(self), methName)
                return meth(name, root)