Example #1
0
    def test_sequential_weight_loading_group_name_with_incorrect_shape(self):
        if h5py is None:
            return

        temp_dir = self.get_temp_dir()
        self.addCleanup(shutil.rmtree, temp_dir)
        h5_path = os.path.join(temp_dir, 'test.h5')

        num_hidden = 5
        input_dim = 3
        num_classes = 2
        with self.test_session():
            ref_model = keras.models.Sequential()
            ref_model.add(
                keras.layers.Dense(num_hidden, input_dim=input_dim, name='d1'))
            ref_model.add(keras.layers.Dense(num_classes, name='d2'))
            ref_model.compile(loss=keras.losses.MSE,
                              optimizer=keras.optimizers.RMSprop(lr=0.0001),
                              metrics=[keras.metrics.categorical_accuracy])

            f_ref_model = h5py.File(h5_path, 'w')
            saving.save_weights_to_hdf5_group(f_ref_model, ref_model.layers)

            f_model = h5py.File(h5_path, 'r')
            model = keras.models.Sequential()
            model.add(
                keras.layers.Dense(num_hidden + 5,
                                   input_dim=input_dim,
                                   name='d1'))
            model.add(keras.layers.Dense(num_classes, name='d2'))
            model.compile(loss=keras.losses.MSE,
                          optimizer=keras.optimizers.RMSprop(lr=0.0001),
                          metrics=[keras.metrics.categorical_accuracy])
            with self.assertRaisesRegexp(
                    ValueError, r'Layer #0 \(named "d1"\), weight '
                    r'<tf\.Variable \'d1_1\/kernel:0\' '
                    r'shape=\(3, 10\) dtype=float32> has '
                    r'shape \(3, 10\), but the saved weight has '
                    r'shape \(3, 5\)\.'):
                saving.load_weights_from_hdf5_group_by_name(
                    f_model, model.layers)
Example #2
0
    def test_sequential_weight_loading_group_name_with_incorrect_length(self):
        if h5py is None:
            return

        temp_dir = self.get_temp_dir()
        self.addCleanup(shutil.rmtree, temp_dir)
        h5_path = os.path.join(temp_dir, 'test.h5')

        num_hidden = 5
        input_dim = 3
        num_classes = 2
        with self.test_session():
            ref_model = keras.models.Sequential()
            ref_model.add(
                keras.layers.Dense(num_hidden, input_dim=input_dim, name='d1'))
            ref_model.add(keras.layers.Dense(num_classes, name='d2'))
            ref_model.compile(loss=keras.losses.MSE,
                              optimizer=keras.optimizers.RMSprop(lr=0.0001),
                              metrics=[keras.metrics.categorical_accuracy])

            f_ref_model = h5py.File(h5_path, 'w')
            saving.save_weights_to_hdf5_group(f_ref_model, ref_model.layers)

            f_model = h5py.File(h5_path, 'r')
            model = keras.models.Sequential()
            model.add(
                keras.layers.Dense(num_hidden,
                                   use_bias=False,
                                   input_dim=input_dim,
                                   name='d1'))
            model.add(keras.layers.Dense(num_classes, name='d2'))
            model.compile(loss=keras.losses.MSE,
                          optimizer=keras.optimizers.RMSprop(lr=0.0001),
                          metrics=[keras.metrics.categorical_accuracy])
        with self.assertRaisesRegexp(
                ValueError, r'Layer #0 \(named \"d1\"\) expects 1 '
                r'weight\(s\), but the saved weights have 2 '
                r'element\(s\)\.'):
            saving.load_weights_from_hdf5_group_by_name(f_model, model.layers)
Example #3
0
  def test_sequential_weight_loading_group_name_with_incorrect_shape(self):
    if h5py is None:
      return

    temp_dir = self.get_temp_dir()
    self.addCleanup(shutil.rmtree, temp_dir)
    h5_path = os.path.join(temp_dir, 'test.h5')

    num_hidden = 5
    input_dim = 3
    num_classes = 2
    with self.cached_session():
      ref_model = keras.models.Sequential()
      ref_model.add(keras.layers.Dense(num_hidden, input_dim=input_dim,
                                       name='d1'))
      ref_model.add(keras.layers.Dense(num_classes, name='d2'))
      ref_model.compile(loss=keras.losses.MSE,
                        optimizer=keras.optimizers.RMSprop(lr=0.0001),
                        metrics=[keras.metrics.categorical_accuracy])

      f_ref_model = h5py.File(h5_path, 'w')
      saving.save_weights_to_hdf5_group(f_ref_model, ref_model.layers)

      f_model = h5py.File(h5_path, 'r')
      model = keras.models.Sequential()
      model.add(keras.layers.Dense(num_hidden + 5, input_dim=input_dim,
                                   name='d1'))
      model.add(keras.layers.Dense(num_classes, name='d2'))
      model.compile(loss=keras.losses.MSE,
                    optimizer=keras.optimizers.RMSprop(lr=0.0001),
                    metrics=[keras.metrics.categorical_accuracy])
      with self.assertRaisesRegexp(ValueError,
                                   r'Layer #0 \(named "d1"\), weight '
                                   r'<tf\.Variable \'d1_1\/kernel:0\' '
                                   r'shape=\(3, 10\) dtype=float32> has '
                                   r'shape \(3, 10\), but the saved weight has '
                                   r'shape \(3, 5\)\.'):
        saving.load_weights_from_hdf5_group_by_name(f_model, model.layers)
Example #4
0
  def test_sequential_weight_loading_group_name_with_incorrect_length(self):
    if h5py is None:
      return

    temp_dir = self.get_temp_dir()
    self.addCleanup(shutil.rmtree, temp_dir)
    h5_path = os.path.join(temp_dir, 'test.h5')

    num_hidden = 5
    input_dim = 3
    num_classes = 2
    with self.cached_session():
      ref_model = keras.models.Sequential()
      ref_model.add(keras.layers.Dense(num_hidden, input_dim=input_dim,
                                       name='d1'))
      ref_model.add(keras.layers.Dense(num_classes, name='d2'))
      ref_model.compile(loss=keras.losses.MSE,
                        optimizer=keras.optimizers.RMSprop(lr=0.0001),
                        metrics=[keras.metrics.categorical_accuracy])

      f_ref_model = h5py.File(h5_path, 'w')
      saving.save_weights_to_hdf5_group(f_ref_model, ref_model.layers)

      f_model = h5py.File(h5_path, 'r')
      model = keras.models.Sequential()
      model.add(keras.layers.Dense(num_hidden, use_bias=False,
                                   input_dim=input_dim, name='d1'))
      model.add(keras.layers.Dense(num_classes, name='d2'))
      model.compile(loss=keras.losses.MSE,
                    optimizer=keras.optimizers.RMSprop(lr=0.0001),
                    metrics=[keras.metrics.categorical_accuracy])
    with self.assertRaisesRegexp(ValueError,
                                 r'Layer #0 \(named \"d1\"\) expects 1 '
                                 r'weight\(s\), but the saved weights have 2 '
                                 r'element\(s\)\.'):
      saving.load_weights_from_hdf5_group_by_name(f_model, model.layers)