def get_key(self): # deliver alarmkey object
if self.get('id.key') and self.get('id.key') not in ['None', '0']:
return Alarmkey.query.filter_by(id=self.get('id.key')).scalar()
else:
k = Alarmkey(u'', u'%s' % self._key, u'', u'-not in list-')
k.id = 0
return k
