new_contents: import urllib
  import urllib2
  import re
  
  #loosely based on http://stackoverflow.com/questions/16011497/youtube-stream-fmt-stream-map-quality
  def getYoutubeMovie(url):
  	try:
  		conn = urllib2.urlopen(url)
  		encoding = conn.headers.getparam('charset')
  		content = conn.read().decode(encoding)
  		#get available streams
  		s = re.findall(r'"url_encoded_fmt_stream_map": ?"([^"]+)"', content)
  		print s
  		if s and len(s):
  			s = s[0].split(',')
  			values = {}
  			for stream in s:
  				stream = stream.replace('\\u0026', '&')
  				stream = urllib2.parse_keqv_list(stream.split('&'))
  				values[stream.get('itag') or "0"] = stream
  			itags = values.keys()
  			sorted(itags, reverse=True)
  			print itags
  			link = None
  			for itag in itags:
  				z = values[itag]
  				if itag == '84' or itag == '82' or itag == '38' or itag == '37' or itag == '22' or itag == '18':
  					try: 
  						link = urllib.unquote(z['url'] + '&signature=%s' % z['sig'])
  					except: 
  						link = urllib.unquote(z['url'])
  			return link
  	except Exception as e:
  		print e
  		return None
  
  
subject: Add YouTube functions