gistfile1.py

#!/usr/bin/python

import random
import os

import argparse

import requests
import xml.etree.ElementTree as ET

def get_all_songs():
    result = requests.get("http://www.musicforprogramming.net/rss.php")
    songs = []
    for item in ET.fromstring(result.content).find('channel').findall('item'):
        songs.append(item.find('guid').text)
    return list(reversed(songs))

parser = argparse.ArgumentParser()
parser.add_argument('--init_song', dest='song', type=int, default=None, )
args = parser.parse_args()

# Let the songs begin!
songs = get_all_songs()
song = songs[args.song-1] if args.song is not None else random.choice(songs)

while True:
    print "Playing {}".format(song)
    # TODO: Allow to break the script using ctrl+c
    os.system("mplayer {} 1>/dev/null 2>/dev/null".format(song))
    song = random.choice(songs)