HTML Python Prettifier with Beautiful Soup

html_pretty.py

# The current release is Beautiful Soup 4.3.2 (October 2, 2013). 
# You can install it with pip install beautifulsoup4 or easy_install beautifulsoup4. 
# It's also available as the python-beautifulsoup4 package in recent versions of Debian, Ubuntu, and Fedora .
from bs4 import BeautifulSoup as bs
import fileinput
import sys
for line in fileinput.input(sys.argv[1]):              
    print bs(line).prettify()