X-Git-Url: https://scm.cri.ensmp.fr/git/Photo.git/blobdiff_plain/a18ca54d896fa2f98cf2b7fb8955120ff5e0aa37..4f089407d102551470a56a2998d147c2f78235b1:/metadata.py

diff --git a/metadata.py b/metadata.py
index 96a44aa..c5e9ec4 100755
--- 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
@@ -136,9 +137,10 @@ class Metadata :
 			node = index.get(path)
 
 			if node :
-				firstLi = node['rdf:Alt/rdf:li']
-				assert firstLi.unique, "More than one rdf:Alt (localisation not yet supported)"
-				return firstLi.element.content
+				firstLi = node.get('rdf:Alt/rdf:li')
+				if firstLi :
+					assert firstLi.unique, "More than one rdf:Alt (localisation not yet supported)"
+					return firstLi.element.content
 		return ''
 
 	security.declarePrivate('getXmpProp')
@@ -168,7 +170,7 @@ 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)