X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/3a70fb37a8784ea703eb23d8b19b90bfd00f13bc..f2b9bd4a8970476de0168780511a76befb6bccb1:/librarian/dcparser.py

diff --git a/librarian/dcparser.py b/librarian/dcparser.py
index f64317a..d4bdc67 100644
--- a/librarian/dcparser.py
+++ b/librarian/dcparser.py
@@ -152,7 +152,7 @@ class WorkInfo(object):
     __metaclass__ = DCInfo
 
     FIELDS = (
-        Field( DCNS('creator'), 'authors', as_person, salias='author', multiple=True),
+        Field( DCNS('creator'), 'authors', as_person, salias='author', multiple=True, required=False),
         Field( DCNS('title'), 'title'),
         Field( DCNS('type'), 'type', required=False, multiple=True),
 
@@ -170,7 +170,7 @@ class WorkInfo(object):
 
         Field( DCNS('source'), 'source_name', required=False),
         Field( DCNS('source.URL'), 'source_url', required=False),
-        Field( DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict),
+        Field( DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict, required=False),
         Field( DCNS('rights.license'), 'license', required=False),
         Field( DCNS('rights'), 'license_description'),
     )
@@ -248,7 +248,7 @@ class WorkInfo(object):
                 if not field.multiple:
                     raise "OUCH!! for field %s" % name
 
-                return value[0]
+                return value[0] if value else None
         except (KeyError, AttributeError):
             return object.__getattribute__(self, name)