def __init__(self, args):
class Config:
pass
self._config = Config()
self._config.context = 'cpu'
self._config.device_id = 0
self._config.columns_size = 2
self._config.x_length = args.x_length
self._config.mlp_model_params_path = args.mlp_model_params_path
self._config.labels_path = args.labels_path
if not os.path.isfile(self._config.mlp_model_params_path):
logger.error("Model params path {} is not found.".format(self._config.mlp_model_params_path))
sys.exit(-1)
else:
logger.info("Path of the model parameters file is {}.".format(self._config.mlp_model_params_path))
if not os.path.isfile(self._config.labels_path):
logger.error("Labels path {} is not found.".format(self._config.labels_path))
sys.exit(-1)
else:
logger.info("Path of the labels file is {}.".format(self._config.labels_path))
seed(0)
logger.info("Running in %s" % self._config.context)
self._ctx = get_extension_context(self._config.context, device_id = self._config.device_id)
nn.set_default_context(self._ctx)
nn.clear_parameters()
self._mlp = MLP(self._config)
self._labels = None
with open(self._config.labels_path) as f:
self._labels = f.readlines()
self._points_buf = pointsbuffer.PointsBuffer()
def __init__(self, celeb_name=None, data_dir=None, mode="all", shuffle=True, rng=None, resize_size=(64, 64), line_thickness=3, gaussian_kernel=(5, 5), gaussian_sigma=3):
self.resize_size = resize_size
self.line_thickness = line_thickness
self.gaussian_kernel = gaussian_kernel
self.gaussian_sigma = gaussian_sigma
celeb_name_list = ['Donald_Trump', 'Emmanuel_Macron',
'Jack_Ma', 'Kathleen', 'Theresa_May']
assert celeb_name in celeb_name_list
self.data_dir = data_dir
self._shuffle = shuffle
self.mode = mode
self.celeb_name = celeb_name
self.imgs_root_path = os.path.join(self.data_dir, self.celeb_name)
if not os.path.exists(self.imgs_root_path):
logger.error('{} is not exists.'.format(self.imgs_root_path))
# use an annotation file to know how many images are needed.
self.ant, self._size = self.get_ant_and_size(
self.imgs_root_path, self.mode)
logger.info(f'the number of images for {self.mode}: {self._size}')
self._variables = list()
self._ref_files = dict()
self.reset()
def import_extension_module(ext_name):
"""
Import an extension module by name.
The extension modules are installed under the `nnabla_ext` package as
namespace packages. All extension modules provide a unified set of APIs.
Args:
ext_name(str): Extension name. e.g. 'cpu', 'cuda', 'cudnn' etc.
Returns: module
An Python module of a particular NNabla extension.
Example:
.. code-block:: python
ext = import_extension_module('cudnn')
available_devices = ext.get_devices()
print(available_devices)
ext.device_synchronize(available_devices[0])
ext.clear_memory_cache()
"""
import importlib
try:
return importlib.import_module('.' + ext_name, 'nnabla_ext')
except ImportError as e:
from nnabla import logger
logger.error('Extension `{}` does not exist.'.format(ext_name))
raise e
def main():
# argparse
args = get_args()
# Context Setting
# Get context.
from nnabla.ext_utils import get_extension_context
logger.info("Running in %s" % args.context)
ctx = get_extension_context(
args.context, device_id=args.device_id)
nn.set_default_context(ctx)
model_path = args.model
if args.train:
# Data Loading
logger.info("Initialing DataSource.")
train_iterator = facade.facade_data_iterator(
args.traindir,
args.batchsize,
shuffle=True,
with_memory_cache=False)
val_iterator = facade.facade_data_iterator(
args.valdir,
args.batchsize,
random_crop=False,
shuffle=False,
with_memory_cache=False)
monitor = nm.Monitor(args.logdir)
solver_gen = S.Adam(alpha=args.lrate, beta1=args.beta1)
solver_dis = S.Adam(alpha=args.lrate, beta1=args.beta1)
generator = unet.generator
discriminator = unet.discriminator
model_path = train(generator, discriminator, args.patch_gan,
solver_gen, solver_dis,
args.weight_l1, train_iterator, val_iterator,
args.epoch, monitor, args.monitor_interval)
if args.generate:
if model_path is not None:
# Data Loading
logger.info("Generating from DataSource.")
test_iterator = facade.facade_data_iterator(
args.testdir,
args.batchsize,
shuffle=False,
with_memory_cache=False)
generator = unet.generator
generate(generator, model_path, test_iterator, args.logdir)
else:
logger.error("Trained model was NOT given.")
def celebv_data_iterator(dataset_mode=None, celeb_name=None, data_dir=None, ref_dir=None,
mode="all", batch_size=1, shuffle=False, rng=None,
with_memory_cache=False, with_file_cache=False,
resize_size=(64, 64), line_thickness=3, gaussian_kernel=(5, 5), gaussian_sigma=3
):
if dataset_mode == 'transformer':
if ref_dir:
assert os.path.exists(ref_dir), f'{ref_dir} not found.'
logger.info(
'CelebV Dataiterator using reference .npz file for Transformer is created.')
return data_iterator(CelebVDataRefSource(
celeb_name=celeb_name, data_dir=data_dir, ref_dir=ref_dir,
need_image=False, need_heatmap=True, need_resized_heatmap=False,
mode=mode, shuffle=shuffle, rng=rng),
batch_size, rng, with_memory_cache, with_file_cache)
else:
logger.info('CelebV Dataiterator for Transformer is created.')
return data_iterator(CelebVDataSource(
celeb_name=celeb_name, data_dir=data_dir,
need_image=False, need_heatmap=True, need_resized_heatmap=False,
mode=mode, shuffle=shuffle, rng=rng,
resize_size=resize_size, line_thickness=line_thickness,
gaussian_kernel=gaussian_kernel, gaussian_sigma=gaussian_sigma),
batch_size, rng, with_memory_cache, with_file_cache)
elif dataset_mode == 'decoder':
if ref_dir:
assert os.path.exists(ref_dir), f'{ref_dir} not found.'
logger.info(
'CelebV Dataiterator using reference .npz file for Decoder is created.')
return data_iterator(CelebVDataRefSource(
celeb_name=celeb_name, data_dir=data_dir, ref_dir=ref_dir,
need_image=True, need_heatmap=True, need_resized_heatmap=True,
mode=mode, shuffle=shuffle, rng=rng),
batch_size, rng, with_memory_cache, with_file_cache)
else:
logger.info('CelebV Dataiterator for Decoder is created.')
return data_iterator(CelebVDataSource(
celeb_name=celeb_name, data_dir=data_dir,
need_image=True, need_heatmap=True, need_resized_heatmap=True,
mode=mode, shuffle=shuffle, rng=rng,
resize_size=resize_size, line_thickness=line_thickness,
gaussian_kernel=gaussian_kernel, gaussian_sigma=gaussian_sigma),
batch_size, rng, with_memory_cache, with_file_cache)
else:
logger.error(
'Specified Dataitaretor is wrong? given: {}'.format(dataset_mode))
import sys
sys.exit()
def main():
HERE = os.path.dirname(__file__)
# Import MNIST data
sys.path.append(
os.path.realpath(os.path.join(HERE, '..', '..', 'vision', 'mnist')))
from mnist_data import data_iterator_mnist
from args import get_args
from classification import mnist_lenet_prediction, mnist_resnet_prediction
args = get_args(description=__doc__)
mnist_cnn_prediction = mnist_lenet_prediction
if args.net == 'resnet':
mnist_cnn_prediction = mnist_resnet_prediction
# Infer parameter file name and read it.
model_save_path = os.path.join('../../vision/mnist',
args.model_save_path)
parameter_file = os.path.join(
model_save_path,
'{}_params_{:06}.h5'.format(args.net, args.max_iter))
try:
nn.load_parameters(parameter_file)
except IOError:
logger.error("Run classification.py before runnning this script.")
exit(1)
# Create a computation graph to be saved.
image = nn.Variable([args.batch_size, 1, 28, 28])
pred = mnist_cnn_prediction(image, test=True)
# Save NNP file (used in C++ inference later.).
nnp_file = '{}_{:06}.nnp'.format(args.net, args.max_iter)
runtime_contents = {
'networks': [
{'name': 'runtime',
'batch_size': args.batch_size,
'outputs': {'y': pred},
'names': {'x': image}}],
'executors': [
{'name': 'runtime',
'network': 'runtime',
'data': ['x'],
'output': ['y']}]}
nn.utils.save.save(nnp_file, runtime_contents)
def main():
# Read envvar `NNABLA_EXAMPLES_ROOT` to identify the path to your local
# nnabla-examples directory.
HERE = os.path.dirname(__file__)
nnabla_examples_root = os.environ.get(
'NNABLA_EXAMPLES_ROOT',
os.path.join(HERE, '../../../../nnabla-examples'))
mnist_examples_root = os.path.realpath(
os.path.join(nnabla_examples_root, 'mnist-collection'))
sys.path.append(mnist_examples_root)
nnabla_examples_git_url = 'https://github.com/sony/nnabla-examples'
# Check if nnabla-examples found.
try:
from args import get_args
except ImportError:
print('An envvar `NNABLA_EXAMPLES_ROOT`'
' which locates the local path to '
'[nnabla-examples]({})'
' repository must be set correctly.'.format(
nnabla_examples_git_url),
file=sys.stderr)
raise
# Import MNIST data
from mnist_data import data_iterator_mnist
from classification import mnist_lenet_prediction, mnist_resnet_prediction
args = get_args(description=__doc__)
mnist_cnn_prediction = mnist_lenet_prediction
if args.net == 'resnet':
mnist_cnn_prediction = mnist_resnet_prediction
# Infer parameter file name and read it.
model_save_path = os.path.join(mnist_examples_root, args.model_save_path)
parameter_file = os.path.join(
model_save_path, '{}_params_{:06}.h5'.format(args.net, args.max_iter))
try:
nn.load_parameters(parameter_file)
except IOError:
logger.error("Run classification.py before running this script.")
exit(1)
# Create a computation graph to be saved.
image = nn.Variable([args.batch_size, 1, 28, 28])
pred = mnist_cnn_prediction(image, test=True)
# Save NNP file (used in C++ inference later.).
nnp_file = '{}_{:06}.nnp'.format(args.net, args.max_iter)
runtime_contents = {
'networks': [{
'name': 'runtime',
'batch_size': args.batch_size,
'outputs': {
'y': pred
},
'names': {
'x': image
}
}],
'executors': [{
'name': 'runtime',
'network': 'runtime',
'data': ['x'],
'output': ['y']
}]
}
nn.utils.save.save(nnp_file, runtime_contents)
def __init__(self, args):
class Config:
pass
self._config = Config()
self._config.context = args.context
self._config.device_id = args.device_id
self._config.process = 'infer'
self._config.columns_size = 2
self._config.x_length = args.x_length
self._config.x_input_length = args.x_input_length
self._config.x_output_length = args.x_output_length
self._config.x_split_step = args.x_split_step
self._config.width = args.width
self._config.height = args.height
self._config.lstm_unit_name = args.lstm_unit_name
self._config.lstm_units = args.lstm_units
self._config.batch_size = 1
self._config.max_iter = 0
self._config.learning_rate = 0.0
self._config.weight_decay = 0.0
self._config.val_interval = 0
self._config.val_iter = 0
self._config.monitor_path = '.'
self._config.training_dataset_path = None
self._config.validation_dataset_path = None
self._config.evaluation_dataset_path = None
seed(0)
if self._config.context is None:
self._config.context = 'cpu'
logger.info("Running in %s" % self._config.context)
self._ctx = get_extension_context(self._config.context,
device_id=self._config.device_id)
nn.set_default_context(self._ctx)
self._net_type = args.net
logger.info("Network type is {}.".format(self._net_type))
self._mlp = None
self._lenet = None
self._lstm = None
nn.clear_parameters()
if self._net_type == 'mlp':
self._config.model_params_path = args.mlp_model_params_path
if not os.path.isfile(self._config.model_params_path):
logger.error("Model params path {} is not found.".format(
self._config.model_params_path))
else:
logger.info("Path of the model parameters file is {}.".format(
self._config.model_params_path))
self._mlp = MLP(self._config)
self._mlp.init_for_infer()
elif self._net_type == 'lenet':
self._config.model_params_path = args.lenet_model_params_path
if not os.path.isfile(self._config.model_params_path):
logger.error("Model params path {} is not found.".format(
self._config.model_params_path))
else:
logger.info("Path of the model parameters file is {}.".format(
self._config.model_params_path))
self._lenet = LeNet(self._config)
self._lenet.init_for_infer()
elif self._net_type == 'mlp-with-lstm':
self._config.model_params_path = args.lstm_model_params_path
if not os.path.isfile(self._config.model_params_path):
logger.error("Model params path {} is not found.".format(
self._config.model_params_path))
else:
logger.info("Path of the model parameters file is {}.".format(
self._config.model_params_path))
self._lstm = LSTM(self._config)
self._lstm.init_for_infer()
self._config.model_params_path = args.mlp_model_params_path
if not os.path.isfile(self._config.model_params_path):
logger.error("Model params path {} is not found.".format(
self._config.model_params_path))
else:
logger.info("Path of the model parameters file is {}.".format(
self._config.model_params_path))
self._mlp = MLP(self._config)
self._mlp.init_for_infer()
else:
raise ValueError("Unknown network type {}".format(self._net_type))
self._labels = None
self._labels_path = args.labels_path
if not os.path.isfile(self._labels_path):
logger.error("Labels path {} is not found.".format(
self._labels_path))
else:
logger.info("Path of the labels file is {}.".format(
self._labels_path))
with open(self._labels_path) as f:
self._labels = f.readlines()
self._points_buf = pointsbuffer.PointsBuffer()
