def main(cfg, num_workers):
# Shortened
out_dir = cfg['training']['out_dir']
batch_size = cfg['training']['batch_size']
utils.save_config(os.path.join(out_dir, 'config.yml'), cfg)
model_selection_metric = cfg['training']['model_selection_metric']
model_selection_sign = 1 if cfg['training'][
'model_selection_mode'] == 'maximize' else -1
# Output directory
utils.cond_mkdir(out_dir)
# Dataset
test_dataset = config.get_dataset('test', cfg)
test_loader = torch.utils.data.DataLoader(test_dataset,
batch_size=batch_size,
num_workers=num_workers,
shuffle=False)
# Model
model = config.get_model(cfg)
trainer = config.get_trainer(model, None, cfg)
# Print model
print(model)
logger = logging.getLogger(__name__)
logger.info(
f'Total number of parameters: {sum(p.numel() for p in model.parameters())}'
)
ckp = checkpoints.CheckpointIO(out_dir, model, None, cfg)
try:
load_dict = ckp.load('model_best.pt')
logger.info('Model loaded')
except FileExistsError:
logger.info('Model NOT loaded')
load_dict = dict()
metric_val_best = load_dict.get('loss_val_best',
-model_selection_sign * np.inf)
logger.info(
f'Current best validation metric ({model_selection_metric}): {metric_val_best:.6f}'
)
eval_dict = trainer.evaluate(test_loader)
metric_val = eval_dict[model_selection_metric]
logger.info(
f'Validation metric ({model_selection_metric}): {metric_val:.8f}')
eval_dict_path = os.path.join(out_dir, 'eval_dict.yml')
with open(eval_dict_path, 'w') as f:
yaml.dump(config, f)
print(f'Results saved in {eval_dict_path}')
coord.join(threads)
summary_writer.close()
pbar.close()
if __name__ == "__main__":
parser = build_parser()
FLAGS = parser.parse_args()
FLAGS.model = FLAGS.model.upper()
FLAGS.dataset = FLAGS.dataset.lower()
if FLAGS.name is None:
FLAGS.name = FLAGS.model.lower()
config.pprint_args(FLAGS)
# get information for dataset
dataset_pattern, n_examples = config.get_dataset(FLAGS.dataset)
# input pipeline
X = input_pipeline(dataset_pattern,
batch_size=FLAGS.batch_size,
num_threads=FLAGS.num_threads,
num_epochs=FLAGS.num_epochs)
model = config.get_model(FLAGS.model, FLAGS.name, training=True)
train(model=model,
input_op=X,
num_epochs=FLAGS.num_epochs,
batch_size=FLAGS.batch_size,
n_examples=n_examples,
renew=FLAGS.renew)
import tensorflow as tf
import os
from config import get_dataset, get_models
import numpy as np
from model import *
os.environ["CUDA_VISIBLE_DEVICES"] = "0"
max_epsilon = 25.0
num_iter = 32
momentum = 1
configs = {'batch_size': 64, 'epoch': 5, 'kernel_size': 7}
(X_train, y_train), (X_test, y_test) = get_dataset()
to_categorical = tf.keras.utils.to_categorical
y_train = to_categorical(y_train)
y_test = to_categorical(y_test)
ind = np.random.permutation(X_train.shape[0])
X_train, y_train = X_train[ind], y_train[ind]
VALIDATION_SPLIT = 0.1
n = int(X_train.shape[0] * (1 - VALIDATION_SPLIT))
X_valid = X_train[n:]
X_train = X_train[:n]
y_valid = y_train[n:]
y_train = y_train[:n]
# model_index = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
# models = get_models(model_index)
class Dummy:
pass
merged_samples = utils.merge(fake_samples, size=shape)
fn = "{:0>6d}.png".format(global_step)
scipy.misc.imsave(os.path.join(dir_name, fn), merged_samples)
if __name__ == "__main__":
parser = build_parser()
FLAGS = parser.parse_args()
FLAGS.model = FLAGS.model.upper()
FLAGS.dataset = FLAGS.dataset.lower()
if FLAGS.name is None:
FLAGS.name = FLAGS.model.lower()
config.pprint_args(FLAGS)
# get information for dataset
dataset_pattern, n_examples, n_channels = config.get_dataset(FLAGS.dataset)
# input pipeline
X = input_pipeline(dataset_pattern,
batch_size=FLAGS.batch_size,
num_threads=FLAGS.num_threads,
num_epochs=FLAGS.num_epochs,
image_size=FLAGS.image_size,
dataset=FLAGS.dataset)
# Arbitrarily sized crops will be resized to 64x64x3. Model will be constructed accordingly
image_shape = [FLAGS.image_size, FLAGS.image_size, n_channels]
batch_norm = True
if FLAGS.name == 'dragan' or FLAGS.name == 'dcgan-cons':
def main(outdir):
for subdir in ['all', 'snapshots', 'clusters']:
if not os.path.exists(os.path.join(outdir, subdir)):
os.makedirs(os.path.join(outdir, subdir), exist_ok=True)
if data_type == 'grid':
get_data = inputs.get_data_grid
percent_good = evaluation.percent_good_grid
elif data_type == 'ring':
get_data = inputs.get_data_ring
percent_good = evaluation.percent_good_ring
else:
raise NotImplementedError()
zdist = distributions.Normal(torch.zeros(z_dim, device=device),
torch.ones(z_dim, device=device))
z_test = zdist.sample((test_batch_size, ))
x_test, y_test = get_test(get_data=get_data,
batch_size=test_batch_size,
variance=variance,
k_value=k_value,
device=device)
x_cluster, _ = get_test(get_data=get_data,
batch_size=10000,
variance=variance,
k_value=k_value,
device=device)
train_loader = get_dataset(get_data=get_data,
batch_size=train_batch_size,
npts=npts,
variance=variance,
k_value=k_value)
def train(trainer, g, d, clusterer, exp_dir):
it = 0
if os.path.exists(os.path.join(exp_dir, 'log.txt')):
os.remove(os.path.join(exp_dir, 'log.txt'))
for epoch in range(nepochs):
for x_real, y in train_loader:
z = zdist.sample((train_batch_size, ))
x_real, y = x_real.to(device), y.to(device)
y = clusterer.get_labels(x_real, y)
dloss, _ = trainer.discriminator_trainstep(x_real, y, z)
gloss = trainer.generator_trainstep(y, z)
if it % args.recluster_every == 0 and args.clusterer != 'supervised':
if args.clusterer != 'burnin' or it >= args.burnin_time:
clusterer.recluster(discriminator, x_batch=x_real)
if it % 1000 == 0:
x_fake = g(z_test, clusterer.get_labels(
x_test, y_test)).detach().cpu().numpy()
visualize_generated(x_fake,
x_test.detach().cpu().numpy(), y, it,
exp_dir)
visualize_clusters(x_test.detach().cpu().numpy(),
clusterer.get_labels(x_test, y_test),
it, exp_dir)
torch.save(
{
'generator': g.state_dict(),
'discriminator': d.state_dict(),
'g_optimizer': g_optimizer.state_dict(),
'd_optimizer': d_optimizer.state_dict()
},
os.path.join(exp_dir, 'snapshots', 'model_%d.pt' % it))
if it % 1000 == 0:
g.eval()
d.eval()
x_fake = g(z_test, clusterer.get_labels(
x_test, y_test)).detach().cpu().numpy()
percent, modes, kl = percent_good(x_fake, var=variance)
log_message = f'[epoch {epoch} it {it}] dloss = {dloss}, gloss = {gloss}, prop_real = {percent}, modes = {modes}, kl = {kl}'
with open(os.path.join(exp_dir, 'log.txt'), 'a+') as f:
f.write(log_message + '\n')
print(log_message)
it += 1
# train a G/D from scratch
generator, discriminator = get_models(args.model_type, 'conditional',
num_clusters, args.d_act_dim, device)
g_optimizer, d_optimizer = get_optimizers(generator, discriminator)
trainer = Trainer(generator,
discriminator,
g_optimizer,
d_optimizer,
gan_type='standard',
reg_type='none',
reg_param=0)
clusterer = clusterer_dict[args.clusterer](discriminator=discriminator,
k_value=num_clusters,
x_cluster=x_cluster)
clusterer.recluster(discriminator=discriminator)
train(trainer, generator, discriminator, clusterer, os.path.join(outdir))
def main(cnf=None):
config.load_config(cnf)
print "Responding to emails"
# Connect and grab the 10 latest emails
messages = get_latest_messages()
# Iterate and process
for message in messages:
print "----"
to = message['Delivered-to']
frm = message['From']
email = raw_email(frm)
if not email_allowed(email):
print "{} is not an allowed address".format(email)
continue
if not '+' in to:
print "Generating schedule for {}".format(email)
generate_schedule(email)
continue
# We need to extract the token from the email address (first+TOKEN@....)
# and ensure it matches the email address we received.
token = token_from_email(to)
print "Looking for token - {}".format(token)
success, record = validate_token(token, frm)
if not success:
# Notify user of failure?
print "FAILED to find a record for the token"
continue
dataset = record['dataset']
date = record.get('date')
print "Looking for URL to add to {}".format(dataset)
process = None
payloads = message.get_payload()
(payload, ) = [
p for p in payloads if p.get_content_type() == "text/plain"
]
m = [
r for r in re.findall(URL_REGEX,
payload.as_string()[0:1024])
if not config.ckan_host() in r
]
if not m:
print "Could not find any URLs"
continue
first_url = m[0]
print "Processing first URL: {} and adding to {}".format(
first_url, dataset)
res = config.ckan().action.resource_create(
**{
'package_id': dataset,
'url': first_url,
'description': 'CSV',
'format': 'CSV',
'date': datetime.now().strftime("%d/%m/%Y")
})
print res
print "Sending success message"
send_success(email, config.this_email(), config.get_dataset(dataset))
invalidate_token(token)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-n', '--network-name', type=str, required=True)
parser.add_argument('-d', '--dataset-name', type=str, required=True)
parser.add_argument('-c', '--num-classes', type=int, required=True)
parser.add_argument('-m', '--multilabel', type=bool, default=False)
parser.add_argument('-p', '--pretrained', type=bool, default=False)
parser.add_argument('-l', '--load')
parser.add_argument('--batchSz', type=int, default=64)
parser.add_argument('--nEpochs', type=int, default=300)
parser.add_argument('--sEpoch', type=int, default=1)
parser.add_argument('--no-cuda', action='store_true')
parser.add_argument('--save')
parser.add_argument('--seed', type=int, default=50)
parser.add_argument('--opt', type=str, default='sgd', choices=('sgd', 'adam', 'rmsprop'))
args = parser.parse_args()
args.cuda = not args.no_cuda and torch.cuda.is_available()
args.save = args.save or 'work/%s/%s' % (args.network_name, args.dataset_name)
setproctitle.setproctitle(args.save)
torch.manual_seed(args.seed)
if args.cuda:
torch.cuda.manual_seed(args.seed)
if os.path.exists(args.save):
shutil.rmtree(args.save)
os.makedirs(args.save, exist_ok=True)
normMean = [0.49139968, 0.48215827, 0.44653124]
normStd = [0.24703233, 0.24348505, 0.26158768]
normTransform = transforms.Normalize(normMean, normStd)
trainTransform = transforms.Compose([
transforms.Scale(256),
transforms.RandomCrop(224),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
RandomBrightness(-0.25, 0.25),
normTransform
])
testTransform = transforms.Compose([
transforms.Scale(256),
transforms.CenterCrop(224),
transforms.ToTensor(),
normTransform
])
kwargs = {'num_workers': 6, 'pin_memory': True} if args.cuda else {}
trainLoader = DataLoader(
config.get_dataset(args.dataset_name, 'train', trainTransform),
batch_size=args.batchSz, shuffle=True, **kwargs)
testLoader = DataLoader(
config.get_dataset(args.dataset_name, 'test', testTransform),
batch_size=args.batchSz, shuffle=False, **kwargs)
if args.load:
print("Loading network: {}".format(args.load))
net = torch.load(args.load)
else:
net = config.get_network(args.network_name, args.num_classes, args.pretrained)
if True: # make this an optional
net = torch.nn.DataParallel(net)
print(' + Number of params: {}'.format(sum([p.data.nelement() for p in net.parameters()])))
if args.cuda:
net = net.cuda().half()
if args.opt == 'sgd':
optimizer = optim.SGD(net.parameters(), lr=1e-1, momentum=0.9, weight_decay=1e-4)
elif args.opt == 'adam':
optimizer = optim.Adam(net.parameters(), weight_decay=1e-4)
elif args.opt == 'rmsprop':
optimizer = optim.RMSprop(net.parameters(), weight_decay=1e-4)
trainF = open(os.path.join(args.save, 'train.csv'), 'a')
testF = open(os.path.join(args.save, 'test.csv'), 'a')
for epoch in range(args.sEpoch, args.nEpochs + args.sEpoch):
adjust_opt(args.opt, optimizer, epoch)
train(args, epoch, net, trainLoader, optimizer, trainF)
test(args, epoch, net, testLoader, optimizer, testF)
torch.save(net, os.path.join(args.save, '%d.pth' % epoch))
trainF.close()
testF.close()
def main(cfg, num_workers):
# Shortened
out_dir = cfg['training']['out_dir']
batch_size = cfg['training']['batch_size']
backup_every = cfg['training']['backup_every']
utils.save_config(os.path.join(out_dir, 'config.yml'), cfg)
model_selection_metric = cfg['training']['model_selection_metric']
model_selection_sign = 1 if cfg['training'][
'model_selection_mode'] == 'maximize' else -1
# Output directory
utils.cond_mkdir(out_dir)
# Dataset
train_dataset = config.get_dataset('train', cfg)
val_dataset = config.get_dataset('val', cfg)
train_loader = torch.utils.data.DataLoader(train_dataset,
batch_size=batch_size,
num_workers=num_workers,
shuffle=True)
val_loader = torch.utils.data.DataLoader(val_dataset,
batch_size=batch_size,
num_workers=num_workers,
shuffle=False)
# Model
model = config.get_model(cfg)
optimizer = optim.Adam(model.parameters(), lr=1e-4)
trainer = config.get_trainer(model, optimizer, cfg)
# Print model
print(model)
logger = logging.getLogger(__name__)
logger.info(
f'Total number of parameters: {sum(p.numel() for p in model.parameters())}'
)
# load pretrained model
tb_logger = tensorboardX.SummaryWriter(os.path.join(out_dir, 'logs'))
ckp = checkpoints.CheckpointIO(out_dir, model, optimizer, cfg)
try:
load_dict = ckp.load('model_best.pt')
logger.info('Model loaded')
except FileExistsError:
logger.info('Model NOT loaded')
load_dict = dict()
epoch_it = load_dict.get('epoch_it', -1)
it = load_dict.get('it', -1)
metric_val_best = load_dict.get('loss_val_best',
-model_selection_sign * np.inf)
logger.info(
f'Current best validation metric ({model_selection_metric}): {metric_val_best:.6f}'
)
# Shortened
print_every = cfg['training']['print_every']
validate_every = cfg['training']['validate_every']
max_iterations = cfg['training']['max_iterations']
max_epochs = cfg['training']['max_epochs']
while True:
epoch_it += 1
for batch in train_loader:
it += 1
loss_dict = trainer.train_step(batch)
loss = loss_dict['total_loss']
for k, v in loss_dict.items():
tb_logger.add_scalar(f'train/{k}', v, it)
# Print output
if print_every > 0 and (it % print_every) == 0:
logger.info(
f'[Epoch {epoch_it:02d}] it={it:03d}, loss={loss:.8f}')
# Backup if necessary
if backup_every > 0 and (it % backup_every) == 0:
logger.info('Backup checkpoint')
ckp.save(f'model_{it:d}.pt',
epoch_it=epoch_it,
it=it,
loss_val_best=metric_val_best)
# Run validation
if validate_every > 0 and (it % validate_every) == 0:
eval_dict = trainer.evaluate(val_loader)
print('eval_dict=\n', eval_dict)
metric_val = eval_dict[model_selection_metric]
logger.info(
f'Validation metric ({model_selection_metric}): {metric_val:.8f}'
)
for k, v in eval_dict.items():
tb_logger.add_scalar(f'val/{k}', v, it)
if model_selection_sign * (metric_val - metric_val_best) > 0:
metric_val_best = metric_val
logger.info(f'New best model (loss {metric_val_best:.8f}')
ckp.save('model_best.pt',
epoch_it=epoch_it,
it=it,
loss_val_best=metric_val_best)
if (0 < max_iterations <= it) or (0 < max_epochs <= epoch_it):
logger.info(
f'Maximum iteration/epochs ({epoch_it}/{it}) reached. Exiting.'
)
ckp.save(f'model_{it:d}.pt',
epoch_it=epoch_it,
it=it,
loss_val_best=metric_val_best)
exit(3)