docs: def request_uri(self):
          """Returns the request URL element of the URL.
          This request URL is the path, the query and the fragment appended as a relative URL to the host.
          The request URL always contains at least a leading slash.
          """
          result = '/{0}'.format(self.path.lstrip('/'))
          if self.query is not None and self.query != '' and self.query != {}:
              result += '?{0}'.format(self.encoded_query())
          if self.fragment is not None and self.fragment != '':
              result += '#{0}'.format(self.fragment)
          return result