def test_future_on_chained_exception():
f = RPCFuture()
new = f.map(lambda v: v + 2)
f.set_exception(TExc())
with pytest.raises(TExc):
assert new.result()
def load_model(self, model: Model, state: ModelState,
devices: list) -> RPCFuture[SetDeviceReturnType]:
log_dir = model.config.get(LOGGING, {}).get(DIRECTORY, "")
if log_dir:
os.makedirs(log_dir, exist_ok=True)
self.logger.info("log dir: %s", os.path.abspath(log_dir))
self._start_logging_handler()
incomplete_msg = get_error_msg_for_incomplete_config(model.config)
if incomplete_msg:
raise ValueError(incomplete_msg)
# todo: move test_transforms elsewhere
self.test_transforms = model.config.get(TESTING, {}).get(
TRANSFORMS, {"Normalize": {}})
if not devices:
devices = ["cpu"]
cuda_visible_devices, handler_devices = self.get_cuda_and_handler_device_names(
devices)
os.environ["CUDA_VISIBLE_DEVICES"] = ",".join(cuda_visible_devices)
self.logger.info("Set CUDA_VISIBLE_DEVICES to '%s'",
os.environ["CUDA_VISIBLE_DEVICES"])
server_conn, handler_conn = mp.Pipe()
p = mp.Process(
target=run_handler,
name="Handler",
kwargs={
"conn": handler_conn,
"config": model.config,
"model_file": model.code,
"model_state": state.model_state,
"optimizer_state": state.optimizer_state,
"log_queue": self.log_queue,
},
)
try:
p.start()
except Exception as e:
self.logger.error(e)
err_fut = RPCFuture()
err_fut.set_exception(e)
return err_fut
else:
self.handler = create_client(IHandler, server_conn)
try:
tik_fut = self.handler.set_devices(handler_devices)
except Exception as e:
self.logger.exception("set_devices failed")
err_fut = RPCFuture()
err_fut.set_exception(e)
return err_fut
else:
self.logger.info("got tik_fut")
fut = tik_fut.map(convert_to_SetDeviceReturnType)
self.logger.info("converted tik_fut")
return fut