"""Performer constants."""

PERFORMER_ID = 'performer_id'
PERFORMERS = 'performers'

PERFORMER_TYPE = 'performer_type'
PERFORMER_ROLE_ID = 'performer_role_id'
PERFORMER_ROLE = 'performer_role'
BIRTH_NAME = 'birth_name'
TUID = 'tuid'
UNIQUE_TRACK_ID = 'unique_track_id'

PRIMARY = 'primary'
FEATURED = 'featured'
NON_FEATURED = 'non-featured'

PERFORMER_TYPES = (PRIMARY, FEATURED, NON_FEATURED)