Ajout d'un test pour getXmpAlt : il arrive que Lr3 produise des Alt vides.

diff --git a/metadata.py b/metadata.py
index 0b11842..c5e9ec4 100755 (executable)
--- a/metadata.py
+++ b/metadata.py
@@ -137,9 +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')