Play a random MP3 file in a specified media player

randommp3

#!/usr/bin/python

import getpass
import subprocess as sp
import os
import glob
import random
import argparse

if __name__ == "__main__":
    # Parse arguments to the script
    argparser = argparse.ArgumentParser(description="Open a random MP3 in the player of choice, or the default player",
                                        add_help=True)
    argparser.add_argument('--dir', '--directory', '--music-dir', dest='dirpath', type=str,
                           default=str('/home/' + getpass.getuser() + '/Music'), required=False,
                           help="The path to the directory where your music is stored. If the path has spaces, wrap the "
                                "entire path in single-quotes ('/home/ubuntu/My Music/' for example). If not specified, "
                                "the current user's Music directory in their /home/ folder is used.")
    argparser.add_argument('player', type=str, help="The executable name of the media player "
                                                    "to open the MP3 with. If none specified, "
                                                    "uses the system default player.")

    # Using the above 'argparser' items, get the arguments for what we're going to be using.
    args = argparser.parse_args()

    # Gp to the directory your music is in.
    os.chdir(args.dirpath)
    mp3s = glob.glob('*.mp3')

    # Modify the directory path to make sure we have the trailing slash
    dirpath = args.dirpath
    if dirpath[-1] not in '/\\':
        dirpath += '/'

    # Actually open the MP3 file, and /dev/null to suppress output messages from the process.
    DEV_NULL = open(os.devnull, 'w')
    execpath = [args.player, '%s%s' % (dirpath, str(random.choice(mp3s)))]
    sp.Popen(execpath, stdout=DEV_NULL, stderr=DEV_NULL)