test.py

from __future__ import unicode_literals 
import youtube_dl

ydl = youtube_dl.YoutubeDL({'outtmpl': '%(id)s%(ext)s'})
url = raw_input("Give the URL of video which you want to stream? \n")
with ydl:
    result = ydl.extract_info(
        url,
        download=False # We just want to extract the info
    )


video = result
print video['formats'][0]['url']
print video['formats'][0]['format']