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runMultiWOZ6.py
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runMultiWOZ6.py
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from __future__ import absolute_import
import os
import random
import time
from io import open
import numpy as np
import torch
from torch.utils.data import (DataLoader, RandomSampler, SequentialSampler, TensorDataset)
from pytorch_transformers.modeling_bertSeqTaging3 import BertForTokenClassification
from pytorch_transformers.modeling_bert import BertConfig
from pytorch_transformers import AdamW, WarmupLinearSchedule
from pytorch_transformers.tokenization_bert import BertTokenizer
from itertools import cycle
from Config.argsMultiWOZ import args
from Utils.Logger import logger
from DATAProcess.LoadDATAMultiWOZ2 import DATAMultiWOZ
from Metric.ComputeMultiWOZ import accuracyF1,compute_jointgoal
os.environ["CUDA_VISIBLE_DEVICES"]='0'
class Trainer:
def __init__(self,data_dir,output_dir,num_labels_domain,num_labels_dependcy,args):
self.data_dir = data_dir
self.output_dir = output_dir
self.num_labels_domain = num_labels_domain
self.num_labels_dependcy = num_labels_dependcy
self.weight_decay = args.weight_decay
self.eval_steps = args.eval_steps
self.gradient_accumulation_steps = args.gradient_accumulation_steps
self.warmup_steps = args.warmup_steps
self.learning_rate = args.learning_rate
self.adam_epsilon = args.adam_epsilon
self.train_steps = args.train_steps
self.per_gpu_eval_batch_size = args.per_gpu_eval_batch_size
self.train_batch_size = args.per_gpu_train_batch_size
self.eval_batch_size = self.per_gpu_eval_batch_size
self.do_lower_case = args.do_lower_case
self.model_name_or_path = '/home/lsy2018/TextClassification/PreTraining/uncased_L-12_H-768_A-12/'
self.max_seq_length = args.max_seq_length
self.seed = args.seed
self.seed_everything()
self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
self.tokenizer = BertTokenizer.from_pretrained(self.model_name_or_path, do_lower_case=self.do_lower_case)
self.do_test = args.do_test
self.do_eval = True
self.args = args
def seed_everything(self):
random.seed(self.seed)
os.environ['PYTHONHASHSEED'] = str(self.seed)
np.random.seed(self.seed)
torch.manual_seed(self.seed)
torch.cuda.manual_seed(self.seed)
torch.backends.cudnn.deterministic = True
def create_dataloader(self):
data = DATAMultiWOZ(
debug = False,
data_dir= self.data_dir,
)
train_examples = data.read_examples(os.path.join(self.data_dir,'train.json'))
train_features = data.convert_examples_to_features(train_examples, self.tokenizer, self.max_seq_length)
all_input_ids = torch.tensor(data.select_field(train_features, 'input_ids'), dtype=torch.long)
all_input_mask = torch.tensor(data.select_field(train_features, 'input_mask'), dtype=torch.long)
all_segment_ids = torch.tensor(data.select_field(train_features, 'segment_ids'), dtype=torch.long)
all_labels_domain = torch.tensor([f.labels_domain for f in train_features], dtype=torch.long)
all_labels_dependcy = torch.tensor([f.labels_dependcy for f in train_features], dtype=torch.long)
train_data = TensorDataset(all_input_ids, all_input_mask, all_segment_ids, all_labels_domain,all_labels_dependcy)
train_sampler = RandomSampler(train_data)
train_dataloader = DataLoader(train_data, sampler=train_sampler, batch_size=self.train_batch_size)
eval_examples = data.read_examples(os.path.join(self.data_dir, 'test.json'))
eval_features = data.convert_examples_to_features(eval_examples, self.tokenizer, self.max_seq_length)
all_input_ids = torch.tensor(data.select_field(eval_features, 'input_ids'), dtype=torch.long)
all_input_mask = torch.tensor(data.select_field(eval_features, 'input_mask'), dtype=torch.long)
all_segment_ids = torch.tensor(data.select_field(eval_features, 'segment_ids'), dtype=torch.long)
eval_labels_domain = torch.tensor([f.labels_domain for f in eval_features], dtype=torch.long)
eval_labels_dependcy = torch.tensor([f.labels_dependcy for f in eval_features], dtype=torch.long)
eval_data = TensorDataset(all_input_ids, all_input_mask, all_segment_ids, eval_labels_domain,eval_labels_dependcy)
eval_sampler = SequentialSampler(eval_data)
eval_dataloader = DataLoader(eval_data, sampler=eval_sampler, batch_size=self.eval_batch_size)
return train_dataloader,eval_dataloader,train_examples,eval_examples
def train(self):
if not os.path.exists(self.output_dir):
os.makedirs(self.output_dir)
# logger.info(f'Fold {split_index + 1}')
train_dataloader, eval_dataloader, train_examples, eval_examples = self.create_dataloader()
num_train_optimization_steps = self.train_steps
# Prepare model
config = BertConfig.from_pretrained(self.model_name_or_path)
model = BertForTokenClassification.from_pretrained(self.model_name_or_path,self.args, config=config)
model.to(self.device)
model.train()
# Prepare optimizer
param_optimizer = list(model.named_parameters())
param_optimizer = [n for n in param_optimizer]
no_decay = ['bias', 'LayerNorm.bias', 'LayerNorm.weight']
optimizer_grouped_parameters = [
{'params': [p for n, p in param_optimizer if not any(nd in n for nd in no_decay)],
'weight_decay': self.weight_decay},
{'params': [p for n, p in param_optimizer if any(nd in n for nd in no_decay)], 'weight_decay': 0.0}
]
optimizer = AdamW(optimizer_grouped_parameters, lr=self.learning_rate, eps=self.adam_epsilon)
scheduler = WarmupLinearSchedule(optimizer, warmup_steps=self.warmup_steps, t_total=self.train_steps)
global_step = 0
logger.info("***** Running training *****")
logger.info(" Num examples = %d", len(train_examples))
logger.info(" Batch size = %d", self.train_batch_size)
logger.info(" Num steps = %d", num_train_optimization_steps)
best_acc = 0
best_MRR = 0
tr_loss = 0
nb_tr_examples, nb_tr_steps = 0, 0
train_dataloader = cycle(train_dataloader)
for step in range(num_train_optimization_steps):
batch = next(train_dataloader)
batch = tuple(t.to(self.device) for t in batch)
input_ids, input_mask, segment_ids, label_domain,label_dependcy = batch
loss_domain,loss_dependcy = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask,
label_domain=label_domain,
label_dependcy = label_dependcy
)
loss = loss_domain+loss_dependcy
tr_loss += loss.item()
train_loss = round(tr_loss / (nb_tr_steps + 1), 4)
nb_tr_examples += input_ids.size(0)
nb_tr_steps += 1
loss.backward()
if (nb_tr_steps + 1) % self.gradient_accumulation_steps == 0:
optimizer.step()
optimizer.zero_grad()
scheduler.step()
global_step += 1
if (step + 1) % (self.eval_steps * self.gradient_accumulation_steps) == 0:
tr_loss = 0
nb_tr_examples, nb_tr_steps = 0, 0
logger.info("***** Report result *****")
logger.info(" %s = %s", 'global_step', str(global_step))
logger.info(" %s = %s", 'train loss', str(train_loss))
if self.do_eval and (step + 1) % (self.eval_steps * self.gradient_accumulation_steps) == 0:
for file in ['dev.csv']:
inference_labels = []
gold_labels_domain = []
gold_labels_dependcy = []
inference_logits = []
scores_domain = []
scores_dependcy = []
ID = [x.guid for x in eval_examples]
logger.info("***** Running evaluation *****")
logger.info(" Num examples = %d", len(eval_examples))
logger.info(" Batch size = %d", self.eval_batch_size)
model.eval()
eval_loss_domain,eval_loss_dependcy, eval_accuracy_domain,eval_accuracy_dependcy = 0,0,0,0
nb_eval_steps, nb_eval_examples = 0, 0
for input_ids, input_mask, segment_ids,label_domain,label_dependcy in eval_dataloader:
input_ids = input_ids.to(self.device)
input_mask = input_mask.to(self.device)
segment_ids = segment_ids.to(self.device)
label_domain = label_domain.to(self.device)
label_dependcy = label_dependcy.to(self.device)
with torch.no_grad():
batch_eval_loss_domain,batch_eval_loss_dependcy = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask,
label_domain=label_domain,
label_dependcy=label_dependcy
)
logits_domain,logits_dependcy = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask
)
logits_domain = logits_domain.view(-1, self.num_labels_domain).detach().cpu().numpy()
logits_dependcy = logits_dependcy.view(-1, self.num_labels_dependcy).detach().cpu().numpy()
label_domain = label_domain.view(-1).to('cpu').numpy()
label_dependcy = label_dependcy.view(-1).to('cpu').numpy()
scores_domain.append(logits_domain)
scores_dependcy.append(logits_dependcy)
gold_labels_domain.append(label_domain)
gold_labels_dependcy.append(label_dependcy)
eval_loss_domain += batch_eval_loss_domain.mean().item()
eval_loss_dependcy += batch_eval_loss_dependcy.mean().item()
nb_eval_examples += input_ids.size(0)
nb_eval_steps += 1
gold_labels_domain = np.concatenate(gold_labels_domain, 0)
gold_labels_dependcy = np.concatenate(gold_labels_dependcy, 0)
scores_domain = np.concatenate(scores_domain, 0)
scores_dependcy = np.concatenate(scores_dependcy, 0)
model.train()
eval_loss_domain = eval_loss_domain / nb_eval_steps
eval_loss_dependcy = eval_loss_dependcy / nb_eval_steps
eval_accuracy_domain = accuracyF1(scores_domain, gold_labels_domain,mode='domain')
eval_accuracy_dependcy = accuracyF1(scores_dependcy, gold_labels_dependcy ,mode= 'dependcy')
print(
'eval_F1_domain',eval_accuracy_domain,
'eval_F1_dependcy', eval_accuracy_dependcy,
'global_step',global_step,
'loss',train_loss
)
result = {'eval_loss_domain': eval_loss_domain,
'eval_loss_dependcy':eval_loss_dependcy,
'eval_F1_domain': eval_accuracy_domain,
'eval_F1_dependcy': eval_accuracy_dependcy,
'global_step': global_step,
'loss': train_loss}
output_eval_file = os.path.join(self.output_dir, "eval_results.txt")
with open(output_eval_file, "a") as writer:
for key in sorted(result.keys()):
logger.info(" %s = %s", key, str(result[key]))
writer.write("%s = %s\n" % (key, str(result[key])))
writer.write('*' * 80)
writer.write('\n')
if eval_accuracy_domain > best_acc :
print("=" * 80)
print("Best F1", eval_accuracy_domain)
print("Saving Model......")
# best_acc = eval_accuracy
best_acc = eval_accuracy_domain
# Save a trained model
model_to_save = model.module if hasattr(model,'module') else model
output_model_file = os.path.join(self.output_dir, "pytorch_model.bin")
torch.save(model_to_save.state_dict(), output_model_file)
print("=" * 80)
else:
print("=" * 80)
def test_eval(self):
data = DATAMultiWOZ(
debug=False,
data_dir=self.data_dir
)
test_examples = data.read_examples(os.path.join(self.data_dir, 'test.json'))
print('eval_examples的数量', len(test_examples))
dialogueID = [x.guid for x in test_examples]
utterance_text = [x.text_eachturn for x in test_examples]
test_features = data.convert_examples_to_features(test_examples, self.tokenizer, self.max_seq_length)
all_input_ids = torch.tensor(data.select_field(test_features, 'input_ids'), dtype=torch.long)
all_input_mask = torch.tensor(data.select_field(test_features, 'input_mask'), dtype=torch.long)
all_segment_ids = torch.tensor(data.select_field(test_features, 'segment_ids'), dtype=torch.long)
eval_labels_domain = torch.tensor([f.labels_domain for f in test_features], dtype=torch.long)
eval_labels_dependcy = torch.tensor([f.labels_dependcy for f in test_features], dtype=torch.long)
test_data = TensorDataset(all_input_ids, all_input_mask, all_segment_ids,eval_labels_domain,eval_labels_dependcy)
# Run prediction for full data
test_sampler = SequentialSampler(test_data)
test_dataloader = DataLoader(test_data, sampler=test_sampler, batch_size=self.eval_batch_size)
config = BertConfig.from_pretrained(self.model_name_or_path)
model = BertForTokenClassification.from_pretrained(
os.path.join(self.output_dir, "pytorch_model.bin"), self.args, config=config)
model.to(self.device)
model.eval()
inference_labels = []
gold_labels_domain = []
gold_labels_dependcy = []
scores_domain = []
scores_dependcy = []
for input_ids, input_mask, segment_ids,label_domain,label_dependcy in test_dataloader:
input_ids = input_ids.to(self.device)
input_mask = input_mask.to(self.device)
segment_ids = segment_ids.to(self.device)
label_domain = label_domain.to(self.device)
label_dependcy = label_dependcy.to(self.device)
with torch.no_grad():
logits_domain,logits_dependcy = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask
)
logits_domain = logits_domain.view(-1, self.num_labels_domain).cpu().numpy()
logits_dependcy = logits_dependcy.view(-1, self.num_labels_dependcy).cpu().numpy()
label_domain = label_domain.view(-1).to('cpu').numpy()
label_dependcy = label_dependcy.view(-1).to('cpu').numpy()
scores_domain.append(logits_domain)
scores_dependcy.append(logits_dependcy)
gold_labels_domain.append(label_domain)
gold_labels_dependcy.append(label_dependcy)
gold_labels_domain = np.concatenate(gold_labels_domain, 0)
gold_labels_dependcy = np.concatenate(gold_labels_dependcy, 0)
scores_domain = np.concatenate(scores_domain, 0)
scores_dependcy = np.concatenate(scores_dependcy, 0)
# 计算评价指标
assert scores_domain.shape[0] == scores_dependcy.shape[0] == gold_labels_domain.shape[0] == gold_labels_dependcy.shape[0]
eval_accuracy_domain = accuracyF1(scores_domain, gold_labels_domain,mode='domain',report=True)
eval_accuracy_dependcy = accuracyF1(scores_dependcy, gold_labels_dependcy,mode='dependcy',report=True)
eval_jointGoal = compute_jointgoal(
dialogueID,
utterance_text,
scores_domain,
gold_labels_domain,
scores_dependcy,
gold_labels_dependcy
)
print('eval_accuracy_domain',eval_accuracy_domain)
print('eval_accuracy_dependcy', eval_accuracy_dependcy)
print('eval_jointGoal', eval_jointGoal)
if __name__ == "__main__":
trainer = Trainer(
data_dir = '/home/lsy2018/TextClassification/DATA/DATA_MultiWOZ/data_1132/',
output_dir = './model_MultiWOZ_3',
# DOUBAN 是二分类
num_labels_domain = 32,
num_labels_dependcy = 4,
args = args)
# trainer.train()
time_start = time.time()
trainer.test_eval()
print('1000条测试运行时间',time.time()-time_start,'s')