models.py 文件源码

def get_party(self):
        """ this non cached version is needed for cron jobs that gave cache errors when using the cached_property """
        if self.person.surname == '':
            return None
        if not self.document:
            return None
        members = PartyMember.get_at_date(person=self.person, date=self.document.date_published)
        if members.exists():
            return members[0].party
        return None