import tensorflow_datasets as tfds

SPLIT_WEIGHTS = (8, 1, 1)
splits = tfds.Split.TRAIN.subsplit(weighted=SPLIT_WEIGHTS)
(raw_train, raw_validation, raw_test), metadata = tfds.load(name="tf_flowers",
                                                            with_info=True,
                                                            split=list(splits),
# specifying batch_size=-1 will load full dataset in the memory
#                                                             batch_size=-1,
# as_supervised: `bool`, if `True`, the returned `tf.data.Dataset`
# will have a 2-tuple structure `(input, label)`
                                                            as_supervised=True)