__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),
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'),
)
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)
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=[]),
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),
)