X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/cbabbdaa7ab6c6be8cd22b77860331444ddf6119..82f5d8f05bad9e5223426c210770602ca2a97c9b:/librarian/dcparser.py

diff --git a/librarian/dcparser.py b/librarian/dcparser.py
index a0eaa04..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)
 
@@ -347,9 +347,12 @@ class BookInfo(WorkInfo):
         Field( DCNS('audience'), 'audiences', salias='audience', multiple=True,
                 required=False),
 
-        Field( DCNS('subject.period'), 'epochs', salias='epoch', multiple=True),
-        Field( DCNS('subject.type'), 'kinds', salias='kind', multiple=True),
-        Field( DCNS('subject.genre'), 'genres', salias='genre', multiple=True),
+        Field( DCNS('subject.period'), 'epochs', salias='epoch', multiple=True,
+                required=False),
+        Field( DCNS('subject.type'), 'kinds', salias='kind', multiple=True,
+                required=False),
+        Field( DCNS('subject.genre'), 'genres', salias='genre', multiple=True,
+                required=False),
                 
         Field( DCNS('contributor.translator'), 'translators', \
             as_person,  salias='translator', multiple=True, default=[]),
@@ -358,9 +361,9 @@ class BookInfo(WorkInfo):
         Field( DCNS('relation.isVariantOf'), 'variant_of', 
             WLURI, strict=as_wluri_strict, required=False),
 
-        Field( DCNS('relation.cover_image.url'), 'cover_url', required=False),
-        Field( DCNS('relation.cover_image.attribution'), 'cover_by', required=False),
-        Field( DCNS('relation.cover_image.source'), 'cover_source', required=False),
+        Field( DCNS('relation.coverImage.url'), 'cover_url', required=False),
+        Field( DCNS('relation.coverImage.attribution'), 'cover_by', required=False),
+        Field( DCNS('relation.coverImage.source'), 'cover_source', required=False),
     )