__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'),
)