#!/usr/bin/python

from lxml import etree
import sys,os,random

if len(sys.argv)<2:
	print "usage: makeplaylist source_directory playlist_name"
	sys.exit(0)
	
sourcedir=sys.argv[1]
playlistname=sys.argv[1]

if len(sys.argv)>2:
	playlistname=sys.argv[2]	

page = etree.Element('playlist',name=playlistname)
doc = etree.ElementTree(page)

dirList=sorted(os.listdir(sourcedir))
nums=range(64)
random.shuffle(nums)
note = 0
while note<64:
	for fname in dirList:
		pageElement = etree.SubElement(page, 'svglayer',
										note=str(nums[note]+36),
										file=sourcedir+"/"+fname)
		note +=1
		if note>63:
			break

file= open(sourcedir+".xml", "w")
doc.write(file, xml_declaration=True, encoding='utf-8',pretty_print=True) 
file.close()