@staticmethod
def insert(key, data, d1=None, d2=None):
    datenow = str(date.today())
    with Vedis(db_file) as db:
        d = json.dumps({datenow: {data: {'e1': d1, 'e2':
                                            d2}}})
        db[user] = d

@staticmethod
def get_hour(key):
    with Vedis(db_file) as db:
        return db[user]