def authors_str(self):
return ", ".join(str(author) for author in self.authors.all())
+ authors_str.admin_order_field = 'authors__last_name'
+ authors_str.short_description = _('Author')
def translators_str(self):
return ", ".join(str(author) for author in self.translators.all())
+ translators_str.admin_order_field = 'translators__last_name'
+ translators_str.short_description = _('Translator')
def get_estimated_costs(self):
return {