code: def parse_directory_index(directory_index):
      
      # Normalize our URL style
      if not directory_index.endswith('/'):
          directory_index = directory_index + '/'
  
      site_index = urllib2.urlopen(directory_index)
      parsed_site_index = bs(site_index)
      rpm_link_tags = parsed_site_index.findAll('a', href=re.compile(r'.*rpm$'))
  
      # Only save the HREF attribute values from the links found
      rpm_names = [link['href'] for link in rpm_link_tags]
  
      # Join the index path with the discovered names so we only return complete paths
      remote_list = map(lambda end: "".join([directory_index, end]), rpm_names)
  
      return remote_list
docs: Retrieve a directory index and make a list of the RPMs listed.