Try this:

import subprocess

p = None

def play(filename):
    global p
    stop()
    p = subprocess.Popen(["mpg123", filename]) #mpg123

def stop():
    global p
    if p:
        p.terminate()
        p = None

记得homebrew安装mpg123:

brew install mpg123

直接交给 mplayer 播放呗。