def __init__()

in callouts/python/extproc/service/callout_server.py [0:0]


  def __init__(self, processor, *args, **kwargs):
    self._processor = processor
    self._server = grpc.server(
        futures.ThreadPoolExecutor(max_workers=processor.server_thread_count))
    add_ExternalProcessorServicer_to_server(self, self._server)
    server_credentials = grpc.ssl_server_credentials(
        private_key_certificate_chain_pairs=[(processor.private_key,
                                              processor.cert_chain)])
    address_str = _addr_to_str(processor.address)
    self._server.add_secure_port(address_str, server_credentials)
    self._start_msg = f'GRPC callout server started, listening on {address_str}.'
    if processor.plaintext_address:
      plaintext_address_str = _addr_to_str(processor.plaintext_address)
      self._server.add_insecure_port(plaintext_address_str)
      self._start_msg += f' (secure) and {plaintext_address_str} (plaintext)'