test_model_saving.py 文件源码

def test_sequential_model_saving_2():
    # test with custom optimizer, loss
    custom_opt = optimizers.rmsprop
    custom_loss = objectives.mse
    model = Sequential()
    model.add(Dense(2, input_dim=3))
    model.add(Dense(3))
    model.compile(loss=custom_loss, optimizer=custom_opt(), metrics=['acc'])

    x = np.random.random((1, 3))
    y = np.random.random((1, 3))
    model.train_on_batch(x, y)

    out = model.predict(x)
    _, fname = tempfile.mkstemp('.h5')
    save_model(model, fname)

    model = load_model(fname,
                       custom_objects={'custom_opt': custom_opt,
                                       'custom_loss': custom_loss})
    os.remove(fname)

    out2 = model.predict(x)
    assert_allclose(out, out2, atol=1e-05)