# Technical data
code = CharField(_('code'), unique=True, required=True, validators=[is_valid_collection_code])
- old_code = CharField(_('old code'), unique=True, null=True)
+ old_code = CharField(_('old code'), null=True)
approx_duration = DurationField(_('approximative duration'))
physical_items_num = IntegerField(_('number of components (medium / piece)'))
physical_format = WeakForeignKey('PhysicalFormat', related_name="collections",
# Archiving data
code = CharField(_('code'), unique=True, null=True)
- old_code = CharField(_('old code'), unique=True, null=True)
+ old_code = CharField(_('old code'), null=True)
track = CharField(_('item number'))
creator_reference = CharField(_('reference'))
external_references = TextField(_('published reference'))