slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
description = models.TextField(_('description'), null=True, blank=True)
book_slugs = models.TextField(_('book slugs'))
+ authors = models.ManyToManyField(
+ 'Tag',
+ limit_choices_to={'category': 'author'}
+ )
kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True,
choices=(('book', _('book')), ('picture', _('picture'))))
listed = models.BooleanField(_('listed'), default=True, db_index=True)