students_model.py 文件源码

def get_secret_and_seid(self):
        query = self.ds.query(kind='enrolled_in')
        enrolled_in = list(query.fetch())
        results = list()
        for enrolled in enrolled_in:
            query = self.ds.query(kind='sessions')
            query.add_filter('cid', '=', enrolled['cid'])
            sessions = list(query.fetch())
            for session in sessions:
                if session['expires'].replace(tzinfo=None) > datetime.now():
                    results.append(session)
            # results = results + list(query.fetch())
        if len(results) == 1:
            secret = results[0]['secret']
            seid = results[0]['seid']
        else:
            secret, seid = None, -1
        return secret, seid