mysql数据库自动填充数据，性能测试

import string
import argparse
import random
import threading
import time
from contextlib import contextmanager

import pymysql

DB_NAME='test_insert_data_db'
TABLE_NAME='test_insert_data_table'
CREATE_TABLE_STATEMENT="""create table {0} (id int(10) AUTO_INCREMENT,
name varchar(255),
datetime double,
PRIMARY KEY(id))""".format(TABLE_NAME)

def _argparse():
    parse=argparse.ArgumentParser(description='benchmark tool for mysql database')
    parse.add_argument('--host',action='store',dest='host',required=True,help='connect to host')
    parse.add_argument('--user',action='store',dest='user',required=True,help='user for login')
    parse.add_argument('--password',action='store',dest='password',required=True,help='password to use when connecting to server')
    parse.add_argument("--port",action='store',dest='port',default=3306,type=int,help='port number to use for connection or 3306')
    parse.add_argument('--thread_size',action='store',dest='thread_size',default=5,type=int,help='how much connection for database')
    parse.add_argument('--row_size',action='store',dest='row_size',default=5000,type=int,help='how much rows')

    parse.add_argument('-v','--version',action='version',version='%(prog)s 0.1')
    return  parse.parse_args()
@contextmanager
def get_conn(**kwargs):
    conn=pymysql.connect(**kwargs)
    try:
        yield conn
    finally:
        conn.close()
def create_db_and_table(conn):
    with conn as cur:
        for sql in ['drop database if exists {0}'.format(DB_NAME),
                    'create database {0}'.format(DB_NAME),
                    'use {0}'.format(DB_NAME),
                    CREATE_TABLE_STATEMENT]:
            print(sql)
            cur.execute(sql)

def random_string(length=10):
    s=string.ascii_letters+string.digits
    return "".join(random.sample(s,length))
def add_row(cursor):
    SQL_FORMAT="INSERT INTO {0} (name,datetime) values ('{1}','{2}')"
    sql=SQL_FORMAT.format(TABLE_NAME,random_string(),time.time())
    cursor.execute(sql)
def insert_data(conn_args,row_size):
    with get_conn(**conn_args) as conn:
        with conn as c:
            c.execute('use {0}'.format(DB_NAME))
        with conn as c:
            for i in range(row_size):
                add_row(c)
                conn.commit()

def main():
    parse=_argparse()
    conn_args=dict(host=parse.host,user=parse.user,password=parse.password,port=parse.port)
    with get_conn(**conn_args) as conn:
        create_db_and_table(conn)
    thread=[]
    for i in range(parse.thread_size):
        t=threading.Thread(target=insert_data,args=(conn_args,parse.row_size))
        thread.append(t)
        t.start()
    for t in thread:
        t.join()

if __name__ == '__main__':
    main()