def main(_):
for mnist in ["mnist", "fashion_mnist", "kmnist", "emnist"]:
output_dir = mnist_dir(mnist)
test_utils.remake_dir(output_dir)
write_image_file(os.path.join(output_dir, _TRAIN_DATA_FILENAME), 10)
write_label_file(os.path.join(output_dir, _TRAIN_LABELS_FILENAME), 10)
write_image_file(os.path.join(output_dir, _TEST_DATA_FILENAME), 2)
write_label_file(os.path.join(output_dir, _TEST_LABELS_FILENAME), 2)
def _generate():
"""Generates a fake data set and writes it to the fake_examples directory."""
output_dir = os.path.join(FLAGS.tfds_dir, "testing", "test_data",
"fake_examples", "abstract_reasoning")
test_utils.remake_dir(output_dir)
random_state = np.random.RandomState(0)
for split_type in SPLIT_TYPES:
_create_fake_file(output_dir, split_type, random_state)
def _generate():
"""Generates a fake data set and writes it to the fake_examples directory."""
output_dir = os.path.join(FLAGS.tfds_dir, "testing", "test_data",
"fake_examples", "smallnorb")
test_utils.remake_dir(output_dir)
random_state = np.random.RandomState(0)
_create_chunk(os.path.join(output_dir, TRAINING_OUTPUT_NAME), random_state)
_create_chunk(os.path.join(output_dir, TESTING_OUTPUT_NAME), random_state)
def _generate_cifar10_data():
output_dir = cifar10_output_dir()
test_utils.remake_dir(output_dir)
for batch_number in range(1, NUMBER_BATCHES + 1):
generate_cifar10_batch("data_batch_%s.bin" % batch_number)
generate_cifar10_batch("test_batch.bin")
label_names = tfds.builder("cifar10").info.features["label"].names
print(label_names)
with open(os.path.join(output_dir, "batches.meta.txt"), "w") as f:
f.write("\n".join(label_names))
def main(_):
task_index = np.random.randint(2**31)
for subset in ["training", "evaluation"]:
output_dir = arc_dir(subset)
test_utils.remake_dir(output_dir)
num_tasks = NUM_TASKS[subset]
for _ in range(num_tasks):
task_index += 1
task_id = "{:08x}".format(task_index)
task = make_task()
write_task(output_dir, task_id, task)
def _generate_cifar100_data():
"""Generates .bin and label .txt files for cifar100."""
output_dir = cifar100_output_dir()
test_utils.remake_dir(output_dir)
generate_cifar100_batch("train.bin", 10)
generate_cifar100_batch("test.bin", 2)
fine_names = tfds.builder("cifar100").info.features["label"].names
coarse_names = tfds.builder("cifar100").info.features["coarse_label"].names
with open(os.path.join(output_dir, "fine_label_names.txt"), "w") as f:
f.write("\n".join(fine_names))
with open(os.path.join(output_dir, "coarse_label_names.txt"), "w") as f:
f.write("\n".join(coarse_names))
def _generate():
"""Generates a fake data set and writes it to the fake_examples directory."""
output_dir = os.path.join(FLAGS.tfds_dir, "testing", "test_data",
"fake_examples", "shapes3d")
test_utils.remake_dir(output_dir)
images, values = _create_fake_samples()
with h5py.File(os.path.join(output_dir, OUTPUT_NAME), "w") as f:
img_dataset = f.create_dataset("images", images.shape, "|u1")
img_dataset.write_direct(images)
values_dataset = f.create_dataset("labels", values.shape, "<f8")
values_dataset.write_direct(np.ascontiguousarray(values))
def _generate_stl10_data():
"""Generates .bin files for stl10."""
output_dir = stl_output_dir()
test_utils.remake_dir(output_dir)
for fname in ["train_y.bin", "test_y.bin"]:
labels = np.random.randint(NUMBER_LABELS, size=(1), dtype=np.uint8)
dump(stl_output_dir(), fname, labels)
for fname in ["train_X.bin", "test_X.bin", "unlabeled_X.bin"]:
images = np.random.randint(
256, size=(1, HEIGHT * WIDTH * 3), dtype=np.uint8)
dump(stl_output_dir(), fname, images)
label_names = [
"airplane", "bird", "car", "cat", "deer", "dog", "horse", "monkey",
"ship", "truck"
]
with open(os.path.join(output_dir, "class_names.txt"), "w") as f:
f.write("\n".join(label_names))
def make_part_data():
base_dir = os.path.join(
fake_examples_dir,
"shapenet_part2017",
"shapenetcore_partanno_segmentation_benchmark_v0_normal",
)
test_utils.remake_dir(base_dir)
split_dir = os.path.join(base_dir, "train_test_split")
tf.io.gfile.makedirs(split_dir)
j = 0
for split, num_examples in part_test.splits.items():
if split == "validation":
split = "val"
paths = []
synset_ids = random.sample(PART_SYNSET_IDS, num_examples)
for synset_id in synset_ids:
filename = "example%d.txt" % j
j += 1
subdir = os.path.join(base_dir, synset_id)
if not tf.io.gfile.isdir(subdir):
tf.io.gfile.makedirs(subdir)
path = os.path.join(subdir, filename)
n_points = np.random.randint(10) + 2
points = np.random.normal(size=n_points * 3).reshape((n_points, 3))
normals = np.random.normal(size=n_points * 3).reshape((n_points, 3))
normals /= np.linalg.norm(normals, axis=-1, keepdims=True)
point_labels = np.random.randint(NUM_PART_CLASSES, size=n_points)
data = np.empty((n_points, 7), dtype=np.float32)
data[:, :3] = points.astype(np.float32)
data[:, 3:6] = normals.astype(np.float32)
data[:, 6] = point_labels.astype(np.float32)
with tf.io.gfile.GFile(path, "wb") as fp:
np.savetxt(fp, data)
paths.append(os.path.join("shape_data", synset_id, filename[:-4]))
with tf.io.gfile.GFile(
os.path.join(split_dir, "shuffled_%s_file_list.json" % split), "wb"
) as fp:
json.dump(paths, fp)
def main(_):
output_dir = mnist_dir("binarized_mnist")
test_utils.remake_dir(output_dir)
write_image_file(os.path.join(output_dir, _TRAIN_DATA_FILENAME), 10)
write_image_file(os.path.join(output_dir, _VALID_DATA_FILENAME), 2)
write_image_file(os.path.join(output_dir, _TEST_DATA_FILENAME), 2)