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run.py
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run.py
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import os, yaml, argparse, torch
from tokenizers import Tokenizer
from tokenizers.processors import TemplateProcessing
from module import (
load_dataloader,
load_generator,
load_discriminator,
Trainer,
Sampler,
Tester,
Generator
)
def set_seed(SEED=42):
import random
import numpy as np
import torch.backends.cudnn as cudnn
random.seed(SEED)
np.random.seed(SEED)
torch.manual_seed(SEED)
torch.cuda.manual_seed(SEED)
torch.cuda.manual_seed_all(SEED)
cudnn.benchmark = False
cudnn.deterministic = True
class Config(object):
def __init__(self, args):
with open('config.yaml', 'r') as f:
params = yaml.load(f, Loader=yaml.FullLoader)
for group in params.keys():
for key, val in params[group].items():
setattr(self, key, val)
self.mode = args.mode
self.strategy = args.strategy
self.search_method = args.search
self.discriminative = False
self.tokenizer_path = f'data/tokenizer.json'
if self.mode in ['gen_train', 'gan_train']:
self.lr *= 0.5
if 'train' in self.mode:
self.ckpt = f"ckpt/{self.mode[:3]}_model.pt"
else:
self.ckpt = f"ckpt/{self.strategy}_model.pt"
use_cuda = torch.cuda.is_available()
self.device_type = 'cuda' \
if use_cuda and self.mode != 'inference' \
else 'cpu'
self.device = torch.device(self.device_type)
def print_attr(self):
for attribute, value in self.__dict__.items():
print(f"* {attribute}: {value}")
def load_tokenizer(config):
assert os.path.exists(config.tokenizer_path)
tokenizer = Tokenizer.from_file(config.tokenizer_path)
tokenizer.post_processor = TemplateProcessing(
single=f"{config.bos_token} $A {config.eos_token}",
special_tokens=[(config.bos_token, config.bos_id),
(config.eos_token, config.eos_id)]
)
return tokenizer
def gan_setup(config, generator, discriminator, tokenizer):
print('--- Setting up process for GAN Fine-Tuning has started...')
#change settings
config.discriminative=True
generator.eval()
#Sampling
sampler = Sampler(config, generator, tokenizer)
sampler.sample()
#Discriminator Training
train_dataloader = load_dataloader(config, tokenizer, 'train')
valid_dataloader = load_dataloader(config, tokenizer, 'valid')
test_dataloader = load_dataloader(config, tokenizer, 'test')
training_kwargs = {
'generator': generator,
'discriminator': discriminator,
'train_dataloader': train_dataloader,
'valid_dataloader': valid_dataloader,
}
trainer = Trainer(config, training_kwargs)
trainer.ckpt = 'ckpt/discriminator.pt'
trainer.train()
#Discriminator Test
tester = Tester(config, discriminator)
tester.test()
print('--- Setting up process for GAN Fine-Tuning has finished!\n')
#revert generator to train mode
config.discriminative=False
generator.train()
def main(args):
set_seed()
config = Config(args)
tokenizer = load_tokenizer(config)
generator = load_generator(config)
discriminator = load_discriminator(config) if config.mode == 'gan_train' else None
#For Training Process
if 'train' in config.mode:
if config.mode == 'gan_train' and not os.path.exists(f'ckpt/discriminator.pt'):
gan_setup(config, generator, discriminator, tokenizer)
train_dataloader = load_dataloader(config, tokenizer, 'train')
valid_dataloader = load_dataloader(config, tokenizer, 'valid')
trainer_kwargs = {
'generator': generator,
'discriminator': discriminator,
'train_dataloader': train_dataloader,
'valid_dataloader': valid_dataloader
}
trainer = Trainer(config, trainer_kwargs)
trainer.train()
#For Testing Process
elif config.mode == 'test':
test_dataloader = load_dataloader(config, tokenizer, 'test')
tester = Tester(config, generator, tokenizer, test_dataloader)
tester.test()
#For Inference Process
elif config.mode == 'inference':
generator = Generator(config, generator, tokenizer)
generator.inference()
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('-mode', required=True)
parser.add_argument('-strategy', default='std', required=False)
parser.add_argument('-search', default='greedy', required=False)
args = parser.parse_args()
assert args.mode.lower() in ['std_train', 'gen_train', 'gan_train', 'test', 'inference']
assert args.strategy.lower() in ['std', 'gen', 'gan']
assert args.search.lower() in ['greedy', 'beam']
if 'train' in args.mode:
if args.mode == 'gen_train':
assert os.path.exists(f'ckpt/std_model.pt')
elif args.mode == 'gan_train':
assert os.path.exists(f'ckpt/gen_model.pt')
else:
if args.strategy == 'std':
assert os.path.exists(f'ckpt/std_model.pt')
elif args.strategy == 'gen':
assert os.path.exists(f'ckpt/gen_model.pt')
elif args.strategy == 'gan':
assert os.path.exists(f'ckpt/gan_model.pt')
main(args)