def scrape_url (url):
  text = urllib.urlopen(url).read()
  text = filter(lambda x: x in string.printable, text)
  root = lxml.html.document_fromstring(text)

  return root
Application can be any WSGI callable
dataset/ETHPy150Open ceteri/exsto/exsto.py/scrape_url--crossover with--dataset/ETHPy150Open watsonpy/watson-framework/watson/framework/debug/toolbar.py/Toolbar.__init__