python subprocess模块使用例子

# python subprocess模块使用例子
import subprocess

mysql_login = ["mysql", "-h", "localhost", "-u", "root", "-p", "1234"]
mysql_cmd = mysql_login + ["-e", "show databases;use mysql;show tables;"]
p = subprocess.Popen(mysql_cmd,
stdout=subprcess.Pipe,
stderr=subprcess.Pipe,
)
stdout, stderr = p.communicate() #怕输出太多，使用内存
print stdout