docs: def url(self):
  		"""
  		The cache entry's URL.  The URL is constructed from the
  		values of the scheme, host, and path attributes.  Assigning
  		a value to the URL attribute causes the value to be parsed
  		and the scheme, host and path attributes updated.
  		"""
  		return urlparse.urlunparse((self.scheme, self.host, self.path, None, None, None))