import subprocess

def execute_cmd(cmd):

    p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)

    output, err = p.communicate()

    # 判断命令是否执行成功

    status = 1 if err else 0

    if status == 0:

        print('[SUCCESS] %s' % cmd)

    else:

        print('[ERROR] %s' % cmd)

        print(err)

    return status, output

import os

process = os.popen('ls -l') # return file

output = process.read()

process.close()

# 简单写

with os.popen('ls -l') as process:

    output = process.read()

import commands

return_code, output = commands.getstatusoutput('ls -l')

import subprocess

def execute_cmd(cmd)

    ''' status: 0: success, 1: error

       ret: success: stdout, error: stderr

    '''

    status, ret = subprocess.getstatusoutput(cmd)

    if status == 0:

        print('[SUCCESS] %s' % cmd)

    else:

        print('[ERROR] %s' % cmd)

        print(ret)

    return status, ret