docs: def pyhttp(self, value):
          """ converts a no namespaces uri to a python excessable name """
          if value.startswith("pyuri_"):
              return value
          parts = self.parse_uri(value)
          return "pyuri_%s_%s" % (base64.b64encode(bytes(parts[0],
                                                         "utf-8")).decode(),
                                  parts[1])