small python script which takes a youtube url and streams the video directly to your desktop. Requires youtube-dl and mplayer.

YoutubeStream.py

#!/usr/bin/env/python

from os import system as syscommand

class  PlayVideo():
	
	def __init__(self):

		self.getUrl();

	def getUrl(self):

		url = raw_input("Enter a youtube url: ")

		do = True;

		#keep looping till a valid answer is accepted
		while(do == True):
			useCookies = raw_input("Use cookies? [Y/n]: ")

			if useCookies == "Y" or useCookies == "y":

				useCookies = True;
				do = False;

			elif useCookies == "n" or useCookies == "N":
				useCookies = False;
				do = False;
			else:
				print "Invalid input. Please enter again..."


		self.playVideo(url,useCookies);

	def playVideo(self,url,requireCookies):

		ytURL = url;

		if requireCookies:
			syscommand("mplayer -cookies -cookies-file $HOME/tmp/ytcookie.txt $(youtube-dl -g --cookies $HOME/tmp/ytcookie.txt \"%s\")" % ytURL)
		else:
			syscommand("mplayer $(youtube-dl -g \"%s\")" % ytURL);
		
if __name__ == '__main__':

	PlayVideo();