models.py 文件源码

def Fetch(user, start, end):
        journal_keys = []
        iso_dates = []
        if start < end:
            date_cursor = start
            while date_cursor < end:
                date_cursor += timedelta(days=1)
                iso_date = tools.iso_date(date_cursor)
                journal_keys.append(ndb.Key('MiniJournal', iso_date, parent=user.key))
                iso_dates.append(iso_date)
        return ([j for j in ndb.get_multi(journal_keys) if j], iso_dates)