soundcloudcp.py

#!/usr/bin/env python

import urllib, re, argparse, subprocess, sys, eyeD3

parser = argparse.ArgumentParser(description='Get music from Soundcloud.')
parser.add_argument('music_page')
options = parser.parse_args()

tag = eyeD3.Tag()

path = re.match(".*com(/.*)$", options.music_page)
song_path = path.group(1)

print "Retrieving %s..." % options.music_page
page = urllib.urlopen(options.music_page)
doc = page.read()
page.close()

print "Locating URL and track title..."

filename = None
get_url = None
artist = None
title = None
lines = doc.split("\n")
for line in lines:
  if re.match(".*window.SC.bufferTracks.push.*%s" % song_path, line):
    matches = re.match('.*"username":"(.*?)".*?"title":"(.*?)".*?"streamUrl":"(.*?)".*', line)
    try:
      if matches.group(1) and matches.group(2) and matches.group(3):
        artist = matches.group(1)
        title = matches.group(2)
        filename = "%s - %s.mp3" % (artist, title)
        get_url = matches.group(3)
    except IndexError:
      print "Track data couldn't be found in the page!"

print "Getting \"%s\"..." % filename
p = subprocess.Popen(['wget', '-q', '-O', filename, get_url])
p.wait()

tag.link(filename)
tag.header.setVersion(eyeD3.ID3_V2_3)
tag.setArtist(artist)
tag.setTitle(title)
tag.update()