code: def urllib_retrieve(url, data=None):
      
      range_limit()
      print "uGET", url
      f = urlopen(url, data)
      html = f.read().decode('utf-8', 'ignore')
      return f.getcode(), html
docs: Retrieve the given URL using Python's built-in urllib.
      
      url  - The page URL to retrieve.
      data - The form data. If you provide this will use the POST method.
      
      Returns a status code (e.g. 200) and the HTML as a unicode string.