from urllib2 import urlopen

#method 1
def getDownUrl(id):
	#get location #xml
	location = urlopen("http://www.xiami.com/widget/xml-single/sid/"+repr(id)).read()
	begin = location.index("<location>")+19
	end = location.index("</location>")-3
	location = location[begin:end]
	#ready to decode
	List = []
	result = ""
	col = int(location[0])
	location = location[1:]
	pattLen = len(location) / col
	mod = len(location) % col
	#enjoy my terrible indices
	for i in range(0,col):
		List.append(location[:pattLen])
		if mod != 0:
			List[i] += location[pattLen]
			mod -=1
		location = location[len(List[i]):]
		i+=1
	#rebuild the download link
	for i in range(0,pattLen+1):
		for j in range(0,col):
			if i<len(List[j]):
				result += List[j][i]
				j +=1
		i+=1
	#some strange patches
	return result.replace("%5E","0").replace("%3A",":").replace("%2F","/").replace("%2520"," ")

#method 2
def getDownloadUrl(id):
	location = urlopen("http://www.xiami.com/app/iphone/song/id/"+repr(id)).read() #android is accepted as well #json
	begin = location.index("location")+11
	end = location.index("low_size")-3
	result = location[begin:end].replace("\\","")
	return result

id = 1769629542 #Good???! T-Pistonz+KMC
print "method 2"
print(getDownloadUrl(id))
print "method 1"
print(getDownUrl(id))

#china ip is NOT necessary
'''
method 2
http://f3.xiami.net/62500/389998/01 1769629542_1437588.mp3
method 1
http://f3.xiami.net/62500/389998/01 1769629542_1437588.mp3
'''

#other api list #found in xiami.apk
'''
url_action_fav = "http://www.xiami.com/app/android/fav?id={id}&type={type}";
url_action_unfav = "http://www.xiami.com/app/android/unfav?id={id}&type={type}";
url_album = "http://www.xiami.com/app/android/album?id={id}&uid={uid}";
url_artist = "http://www.xiami.com/app/android/artist?id={id}";
url_artist_albums = "http://www.xiami.com/app/android/artist-albums?id={id}&page={page}";
url_artist_radio = "http://www.xiami.com/app/android/radio-artist?id={id}";
url_artist_top_song = "http://www.xiami.com/app/android/artist-topsongs?id={id}";
url_artsit_similars = "http://www.xiami.com/app/android/artist-similar?id={id}";
url_collect = "http://www.xiami.com/app/android/collect?id={id}&uid={uid}";
url_grade = "http://www.xiami.com/app/android/grade?id={id}&grade={grade}";
url_lib_albums = "http://www.xiami.com/app/android/lib-albums?uid={uid}&page={page}";
url_lib_artists = "http://www.xiami.com/app/android/lib-artists?uid={uid}&page={page}";
url_lib_collects = "http://www.xiami.com/app/android/lib-collects?uid={uid}&page={page}";
url_lib_songs = "http://www.xiami.com/app/android/lib-songs?uid={uid}&page={page}";
url_myplaylist = "http://www.xiami.com/app/android/myplaylist?uid={uid}";
url_myradiosongs = "http://www.xiami.com/app/android/lib-rnd?uid={uid}";
url_playlog = "http://www.xiami.com/app/android/playlog?id={id}&uid={uid}";
url_push_songs = "http://www.xiami.com/app/android/push-songs?uid={uid}&deviceid={deviceid}";
url_radio = "http://www.xiami.com/app/android/radio?id={id}&uid={uid}";
url_radio_categories = "http://www.xiami.com/app/android/radio-category";
url_radio_similar = "http://www.xiami.com/app/android/radio-similar?id={id}&uid={uid}";
url_rndsongs = "http://www.xiami.com/app/android/rnd?uid={uid}";
url_search_all = "http://www.xiami.com/app/android/searchv1?key={key}";
url_search_parts = "http://www.xiami.com/app/android/search-part?key={key}&type={type}&page={page}";
'''