django中动态新建postgres数据库表

import psycopg2

def create_new_table(table_id):
    conn = psycopg2.connect(database='Test', user='postgres', password='123456', host='127.0.0.1', port='5432')
    cur = conn.cursor()
    print('aaaaa')
    cur.execute('''CREATE TABLE DataFile%s
           (nid INT PRIMARY KEY     NOT NULL,
           create_time    DATE    NOT NULL,
           message_head   TEXT,
           message_body_data   bytea,
           message_body_param  TEXT);''' % table_id)

    print("Table created successfully")

    conn.commit()
    conn.close()