Bandcamp Ripper

import re, json, os, urllib
url = raw_input("Bandcamp album url:")
data = urllib.urlopen(url).read()

toFind = {
    "Artist": {
        "Found": False,
        "Collected": None,
        "Pattern": 'BandData.+?{.+?name: "(.+?)".+?};',
        "Namespace": "artistName"
    },
    "Art": {
        "Found": False,
        "Collected": None,
        "Pattern": 'TralbumData.+?{.+?artFullsizeUrl: "(.+?)".+?};',
        "Namespace": "artData"
    },
    "Album": {
        "Found": False,
        "Collected": None,
        "Pattern": 'EmbedData.+?{.+?album_title: "(.+?)".+?};',
        "Namespace": "albumName"
    },
    "Songs": {
        "Found": False,
        "Collected": None,
        "Pattern": 'trackinfo.+?(\[.+?\])',
        "Namespace": "songsData"
    }
}


for subject in toFind:
    print "Looking for "+subject+"...",
    try:
        pattern = toFind[subject]["Pattern"]
        regex_data = re.findall(pattern, data, re.DOTALL)
        if len(regex_data) == 1:
            toFind[subject]["Collected"] = regex_data[0]
        else:
            toFind[subject]["Collected"] = list(reversed(sorted(regex_data, key=lambda i:len(i))))[0]
        toFind[subject]["Found"] = True
        print "\t[FOUND]"
    except Exception, e:
        print "\t[ERROR] {0}".format(e)

print "Found all necessary data...\n"

toFind["Songs"]["Collected"] = [(str(i[u"title"]), str(i[u"file"][u'mp3-128']))for i in json.loads(toFind["Songs"]["Collected"])]

for i in toFind:exec("{ns}=toFind['{i}']['Collected']".format(ns=toFind[i]["Namespace"], i=i))

directory = "{0} - {1}/".format(artistName, albumName)
if not os.path.exists(directory): os.mkdir(directory)

urllib.urlretrieve(artData, directory+"Album"+os.path.splitext(artData)[1])

Successful = 0
for song in songsData:
    try:
        fileName = "{0} - {1}.mp3".format(artistName, song[0])
        print "Downloading: {0} ({1}/{2})".format(fileName, Successful+1, len(songsData))
        urllib.urlretrieve(song[1], directory+fileName)
        Successful +=1
    except Exception, e:
        print "Unable to download {0}, {1}".format(song[0], e)
print "Successfully downloaded {0}/{1}".format(Successful, len(songsData))

os.system("pause")