def from_pretrained(cls,
pretrained_model_name,
state_dict=None,
cache_dir='',
*inputs,
**kwargs):
serialization_dir = os.path.join(cache_dir, pretrained_model_name)
# Load config
config_file = os.path.join(serialization_dir, CONFIG_NAME)
config = BertConfig.from_json_file(config_file)
logger.info("Model config {}".format(config))
# Instantiate model.
model = cls(config, *inputs, **kwargs)
if state_dict is None:
weights_path = os.path.join(serialization_dir, WEIGHTS_NAME)
state_dict = torch.load(weights_path)
old_keys = []
new_keys = []
for key in state_dict.keys():
new_key = None
if 'gamma' in key:
new_key = key.replace('gamma', 'weight')
if 'beta' in key:
new_key = key.replace('beta', 'bias')
if new_key:
old_keys.append(key)
new_keys.append(new_key)
for old_key, new_key in zip(old_keys, new_keys):
state_dict[new_key] = state_dict.pop(old_key)
missing_keys = []
unexpected_keys = []
error_msgs = []
# copy state_dict so _load_from_state_dict can modify it
metadata = getattr(state_dict, '_metadata', None)
state_dict = state_dict.copy()
if metadata is not None:
state_dict._metadata = metadata
def load(module, prefix=''):
local_metadata = {} if metadata is None else metadata.get(
prefix[:-1], {})
module._load_from_state_dict(state_dict, prefix, local_metadata,
True, missing_keys, unexpected_keys,
error_msgs)
for name, child in module._modules.items():
if child is not None:
load(child, prefix + name + '.')
load(model, prefix='' if hasattr(model, 'bert') else 'bert.')
if len(missing_keys) > 0:
logger.info(
"Weights of {} not initialized from pretrained model: {}".
format(model.__class__.__name__, missing_keys))
if len(unexpected_keys) > 0:
logger.info(
"Weights from pretrained model not used in {}: {}".format(
model.__class__.__name__, unexpected_keys))
return model
def main(args):
logger.info('Checking...')
SEED = args.seed
check_manual_seed(SEED)
check_args(args)
logger.info('seed: {}'.format(args.seed))
gross_result['seed'] = args.seed
logger.info('Loading config...')
bert_config = BertConfig('config/bert.ini')
bert_config = bert_config(args.bert_type)
# for oos-eval dataset
data_config = Config('config/data.ini')
data_config = data_config(args.dataset)
# Prepare data processor
data_path = os.path.join(data_config['DataDir'],
data_config[args.data_file]) # 把目录和文件名合成一个路径
label_path = data_path.replace('.json', '.label')
if args.dataset == 'oos-eval':
processor = OOSProcessor(bert_config, maxlen=32)
elif args.dataset == 'smp':
processor = SMPProcessor(bert_config, maxlen=32)
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
processor.load_label(
label_path) # Adding label_to_id and id_to_label ot processor.
n_class = len(processor.id_to_label)
config = vars(args) # 返回参数字典
config['model_save_path'] = os.path.join(args.output_dir, 'save',
'bert.pt')
config['n_class'] = n_class
logger.info('config:')
logger.info(config)
model = TextCNN(bert_config, n_class) # Bert encoder
if args.fine_tune:
model.unfreeze_bert_encoder()
else:
model.freeze_bert_encoder()
model.to(device)
global_step = 0
def train(train_dataset, dev_dataset):
train_dataloader = DataLoader(train_dataset,
batch_size=args.train_batch_size //
args.gradient_accumulation_steps,
shuffle=True,
num_workers=2)
nonlocal global_step
n_sample = len(train_dataloader)
early_stopping = EarlyStopping(args.patience, logger=logger)
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
# Optimizers
optimizer = AdamW(model.parameters(), args.lr)
train_loss = []
if dev_dataset:
valid_loss = []
valid_ind_class_acc = []
iteration = 0
for i in range(args.n_epoch):
model.train()
total_loss = 0
for sample in tqdm.tqdm(train_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
logits = model(token, mask, type_ids)
loss = classified_loss(logits, y.long())
total_loss += loss.item()
loss = loss / args.gradient_accumulation_steps
loss.backward()
# bp and update parameters
if (global_step + 1) % args.gradient_accumulation_steps == 0:
optimizer.step()
optimizer.zero_grad()
global_step += 1
logger.info('[Epoch {}] Train: train_loss: {}'.format(
i, total_loss / n_sample))
logger.info('-' * 30)
train_loss.append(total_loss / n_sample)
iteration += 1
if dev_dataset:
logger.info(
'#################### eval result at step {} ####################'
.format(global_step))
eval_result = eval(dev_dataset)
valid_loss.append(eval_result['loss'])
valid_ind_class_acc.append(eval_result['ind_class_acc'])
# 1 表示要保存模型
# 0 表示不需要保存模型
# -1 表示不需要模型，且超过了patience，需要early stop
signal = early_stopping(eval_result['accuracy'])
if signal == -1:
break
elif signal == 0:
pass
elif signal == 1:
save_model(model,
path=config['model_save_path'],
model_name='bert')
# logger.info(eval_result)
from utils.visualization import draw_curve
draw_curve(train_loss, iteration, 'train_loss', args.output_dir)
if dev_dataset:
draw_curve(valid_loss, iteration, 'valid_loss', args.output_dir)
draw_curve(valid_ind_class_acc, iteration,
'valid_ind_class_accuracy', args.output_dir)
if args.patience >= args.n_epoch:
save_model(model,
path=config['model_save_path'],
model_name='bert')
freeze_data['train_loss'] = train_loss
freeze_data['valid_loss'] = valid_loss
def eval(dataset):
dev_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(dev_dataloader)
result = dict()
model.eval()
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
all_pred = []
all_logit = []
total_loss = 0
for sample in tqdm.tqdm(dev_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
with torch.no_grad():
logit = model(token, mask, type_ids)
all_logit.append(logit)
all_pred.append(torch.argmax(logit, 1))
total_loss += classified_loss(logit, y.long())
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_pred = torch.cat(all_pred, 0).cpu()
all_logit = torch.cat(all_logit, 0).cpu()
ind_class_acc = metrics.ind_class_accuracy(all_pred, all_y)
report = metrics.classification_report(all_y,
all_pred,
output_dict=True)
result.update(report)
y_score = all_logit.softmax(1)[:, 1].tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_pred, all_binary_y)
result['eer'] = eer
result['ind_class_acc'] = ind_class_acc
result['loss'] = total_loss / n_sample
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['auc'] = roc_auc_score(all_binary_y, y_score)
result['y_score'] = y_score
result['all_binary_y'] = all_binary_y
freeze_data['valid_all_y'] = all_y
freeze_data['vaild_all_pred'] = all_pred
freeze_data['valid_score'] = y_score
return result
def test(dataset):
load_model(model, path=config['model_save_path'], model_name='bert')
test_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(test_dataloader)
result = dict()
model.eval()
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
all_pred = []
total_loss = 0
all_logit = []
for sample in tqdm.tqdm(test_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
with torch.no_grad():
logit = model(token, mask, type_ids)
all_logit.append(logit)
all_pred.append(torch.argmax(logit, 1))
total_loss += classified_loss(logit, y.long())
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_pred = torch.cat(all_pred, 0).cpu()
all_logit = torch.cat(all_logit, 0).cpu()
# classification report
ind_class_acc = metrics.ind_class_accuracy(all_pred, all_y)
report = metrics.classification_report(all_y,
all_pred,
output_dict=True)
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_pred, all_binary_y)
result.update(report)
# 只有二分类时候ERR才有意义
y_score = all_logit.softmax(1)[:, 1].tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
result['eer'] = eer
result['ind_class_acc'] = ind_class_acc
result['loss'] = total_loss / n_sample
result['all_y'] = all_y.tolist()
result['all_pred'] = all_pred.tolist()
result['all_binary_y'] = all_binary_y
freeze_data['test_all_y'] = all_y.tolist()
freeze_data['test_all_pred'] = all_pred.tolist()
freeze_data['test_score'] = y_score
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['auc'] = roc_auc_score(all_binary_y, y_score)
result['y_score'] = y_score
return result
if args.do_train:
if config['data_file'].startswith('binary'):
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_train_set = processor.read_dataset(data_path,
['train', 'oos_train'])
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
train_features = processor.convert_to_ids(text_train_set)
train_dataset = OOSDataset(train_features)
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
train(train_dataset, dev_dataset)
if args.do_eval:
logger.info(
'#################### eval result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_dev_set = processor.read_dataset(data_path, ['val'])
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
eval_result = eval(dev_dataset)
# logger.info(eval_result)
logger.info('eval_eer: {}'.format(eval_result['eer']))
logger.info('eval_oos_ind_precision: {}'.format(
eval_result['oos_ind_precision']))
logger.info('eval_oos_ind_recall: {}'.format(
eval_result['oos_ind_recall']))
logger.info('eval_oos_ind_f_score: {}'.format(
eval_result['oos_ind_f_score']))
logger.info('eval_auc: {}'.format(eval_result['auc']))
logger.info('eval_fpr95: {}'.format(
ErrorRateAt95Recall(eval_result['all_binary_y'],
eval_result['y_score'])))
gross_result['eval_eer'] = eval_result['eer']
gross_result['eval_auc'] = eval_result['auc']
gross_result['eval_fpr95'] = ErrorRateAt95Recall(
eval_result['all_binary_y'], eval_result['y_score'])
gross_result['eval_oos_ind_precision'] = eval_result[
'oos_ind_precision']
gross_result['eval_oos_ind_recall'] = eval_result['oos_ind_recall']
gross_result['eval_oos_ind_f_score'] = eval_result['oos_ind_f_score']
if args.do_test:
logger.info(
'#################### test result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_test_set = processor.read_dataset(data_path, ['test'])
elif config['dataset'] == 'oos-eval':
text_test_set = processor.read_dataset(data_path,
['test', 'oos_test'])
elif config['dataset'] == 'smp':
text_test_set = processor.read_dataset(data_path, ['test'])
test_features = processor.convert_to_ids(text_test_set)
test_dataset = OOSDataset(test_features)
test_result = test(test_dataset)
save_result(test_result, os.path.join(args.output_dir, 'test_result'))
# logger.info(test_result)
logger.info('test_eer: {}'.format(test_result['eer']))
logger.info('test_ood_ind_precision: {}'.format(
test_result['oos_ind_precision']))
logger.info('test_ood_ind_recall: {}'.format(
test_result['oos_ind_recall']))
logger.info('test_ood_ind_f_score: {}'.format(
test_result['oos_ind_f_score']))
logger.info('test_auc: {}'.format(test_result['auc']))
logger.info('test_fpr95: {}'.format(
ErrorRateAt95Recall(test_result['all_binary_y'],
test_result['y_score'])))
my_plot_roc(test_result['all_binary_y'], test_result['y_score'],
os.path.join(args.output_dir, 'roc_curve.png'))
save_result(test_result, os.path.join(args.output_dir, 'test_result'))
gross_result['test_eer'] = test_result['eer']
gross_result['test_auc'] = test_result['auc']
gross_result['test_fpr95'] = ErrorRateAt95Recall(
test_result['all_binary_y'], test_result['y_score'])
gross_result['test_oos_ind_precision'] = test_result[
'oos_ind_precision']
gross_result['test_oos_ind_recall'] = test_result['oos_ind_recall']
gross_result['test_oos_ind_f_score'] = test_result['oos_ind_f_score']
# 输出错误cases
if config['dataset'] == 'oos-eval':
texts = [line[0] for line in text_test_set]
elif config['dataset'] == 'smp':
texts = [line['text'] for line in text_test_set]
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
output_cases(texts, test_result['all_y'], test_result['all_pred'],
os.path.join(args.output_dir, 'test_cases.csv'),
processor)
# confusion matrix
plot_confusion_matrix(test_result['all_y'], test_result['all_pred'],
args.output_dir)
with open(os.path.join(config['output_dir'], 'freeze_data.pkl'),
'wb') as f:
pickle.dump(freeze_data, f)
df = pd.DataFrame(
data={
'valid_y': freeze_data['valid_all_y'],
'valid_score': freeze_data['valid_score'],
})
df.to_csv(os.path.join(config['output_dir'], 'valid_score.csv'))
df = pd.DataFrame(
data={
'test_y': freeze_data['test_all_y'],
'test_score': freeze_data['test_score']
})
df.to_csv(os.path.join(config['output_dir'], 'test_score.csv'))
if args.result != 'no':
pd_result = pd.DataFrame(gross_result)
if args.seed == 16:
pd_result.to_csv(args.result + '_gross_result.csv', index=False)
else:
pd_result.to_csv(args.result + '_gross_result.csv',
index=False,
mode='a',
header=False)
if args.seed == 8192:
print(args.result)
std_mean(args.result + '_gross_result.csv')
def main(args):
logger.info('Checking...')
check_manual_seed(args.seed)
check_args(args)
logger.info('Loading config...')
bert_config = BertConfig('config/bert.ini')
bert_config = bert_config(args.bert_type)
# for oos-eval dataset
data_config = Config('config/data.ini')
data_config = data_config(args.dataset)
# Prepare data processor
data_path = os.path.join(data_config['DataDir'],
data_config[args.data_file]) # 把目录和文件名合成一个路径
label_path = data_path.replace('.json', '.label')
if args.dataset == 'oos-eval':
processor = OOSProcessor(bert_config, maxlen=32)
elif args.dataset == 'smp':
processor = SMPProcessor(bert_config, maxlen=32)
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
processor.load_label(
label_path) # Adding label_to_id and id_to_label ot processor.
n_class = len(processor.id_to_label)
config = vars(args) # 返回参数字典
config['model_save_path'] = os.path.join(args.output_dir, 'save',
'bert.pt')
config['n_class'] = n_class
logger.info('config:')
logger.info(config)
model = BertClassifier(bert_config, config) # Bert encoder
if args.fine_tune:
model.unfreeze_bert_encoder()
else:
model.freeze_bert_encoder()
model.to(device)
global_step = 0
def train(train_dataset, dev_dataset):
train_dataloader = DataLoader(train_dataset,
batch_size=args.train_batch_size //
args.gradient_accumulation_steps,
shuffle=True,
num_workers=2)
nonlocal global_step
n_sample = len(train_dataloader)
early_stopping = EarlyStopping(args.patience, logger=logger)
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
adversarial_loss = torch.nn.BCELoss().to(device)
# Optimizers
optimizer = AdamW(model.parameters(), args.lr)
train_loss = []
if dev_dataset:
valid_loss = []
valid_ind_class_acc = []
iteration = 0
for i in range(args.n_epoch):
model.train()
total_loss = 0
for sample in tqdm.tqdm(train_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
f_vector, discriminator_output, classification_output = model(
token, mask, type_ids, return_feature=True)
discriminator_output = discriminator_output.squeeze()
if args.BCE:
loss = adversarial_loss(discriminator_output,
(y != 0.0).float())
else:
loss = classified_loss(discriminator_output, y.long())
total_loss += loss.item()
loss = loss / args.gradient_accumulation_steps
loss.backward()
# bp and update parameters
if (global_step + 1) % args.gradient_accumulation_steps == 0:
optimizer.step()
optimizer.zero_grad()
global_step += 1
logger.info('[Epoch {}] Train: train_loss: {}'.format(
i, total_loss / n_sample))
logger.info('-' * 30)
train_loss.append(total_loss / n_sample)
iteration += 1
if dev_dataset:
logger.info(
'#################### eval result at step {} ####################'
.format(global_step))
eval_result = eval(dev_dataset)
valid_loss.append(eval_result['loss'])
valid_ind_class_acc.append(eval_result['ind_class_acc'])
# 1 表示要保存模型
# 0 表示不需要保存模型
# -1 表示不需要模型，且超过了patience，需要early stop
signal = early_stopping(-eval_result['eer'])
if signal == -1:
break
elif signal == 0:
pass
elif signal == 1:
save_model(model,
path=config['model_save_path'],
model_name='bert')
logger.info(eval_result)
logger.info('valid_eer: {}'.format(eval_result['eer']))
logger.info('valid_oos_ind_precision: {}'.format(
eval_result['oos_ind_precision']))
logger.info('valid_oos_ind_recall: {}'.format(
eval_result['oos_ind_recall']))
logger.info('valid_oos_ind_f_score: {}'.format(
eval_result['oos_ind_f_score']))
logger.info('valid_auc: {}'.format(eval_result['auc']))
logger.info('valid_fpr95: {}'.format(
ErrorRateAt95Recall(eval_result['all_binary_y'],
eval_result['y_score'])))
from utils.visualization import draw_curve
draw_curve(train_loss, iteration, 'train_loss', args.output_dir)
if dev_dataset:
draw_curve(valid_loss, iteration, 'valid_loss', args.output_dir)
draw_curve(valid_ind_class_acc, iteration,
'valid_ind_class_accuracy', args.output_dir)
if args.patience >= args.n_epoch:
save_model(model,
path=config['model_save_path'],
model_name='bert')
freeze_data['train_loss'] = train_loss
freeze_data['valid_loss'] = valid_loss
def eval(dataset):
dev_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(dev_dataloader)
result = dict()
model.eval()
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
detection_loss = torch.nn.BCELoss().to(device)
all_detection_preds = []
all_class_preds = []
all_pred = []
all_logit = []
total_loss = 0
for sample in tqdm.tqdm(dev_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
with torch.no_grad():
f_vector, discriminator_output, classification_output = model(
token, mask, type_ids, return_feature=True)
discriminator_output = discriminator_output.squeeze()
all_detection_preds.append(discriminator_output)
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_detection_preds = torch.cat(all_detection_preds,
0).cpu() # [length, 1]
all_detection_binary_preds = convert_to_int_by_threshold(
all_detection_preds.squeeze()) # [length, 1]
# 计算损失
detection_loss = detection_loss(all_detection_preds,
all_binary_y.float())
result['detection_loss'] = detection_loss
logger.info(
metrics.classification_report(all_binary_y,
all_detection_binary_preds,
target_names=['oos', 'in']))
# report
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_detection_binary_preds, all_binary_y)
detection_acc = metrics.accuracy(all_detection_binary_preds,
all_binary_y)
y_score = all_detection_preds.squeeze().tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
ind_class_acc = metrics.ind_class_accuracy(all_detection_binary_preds,
all_y)
result['ind_class_acc'] = ind_class_acc
result['loss'] = total_loss / n_sample
result['eer'] = eer
result['all_detection_binary_preds'] = all_detection_binary_preds
result['detection_acc'] = detection_acc
result['all_binary_y'] = all_binary_y
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['y_score'] = y_score
result['auc'] = roc_auc_score(all_binary_y, y_score)
return result
def test(dataset):
load_model(model, path=config['model_save_path'], model_name='bert')
test_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(test_dataloader)
result = dict()
model.eval()
# Loss function
classified_loss = torch.nn.CrossEntropyLoss().to(device)
detection_loss = torch.nn.BCELoss().to(device)
all_detection_preds = []
all_features = []
all_pred = []
total_loss = 0
all_logit = []
for sample in tqdm.tqdm(test_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
with torch.no_grad():
f_vector, discriminator_output, classification_output = model(
token, mask, type_ids, return_feature=True)
discriminator_output = discriminator_output.squeeze()
all_detection_preds.append(discriminator_output)
if args.do_vis:
all_features.append(f_vector)
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_detection_preds = torch.cat(all_detection_preds,
0).cpu() # [length, 1]
all_detection_binary_preds = convert_to_int_by_threshold(
all_detection_preds.squeeze()) # [length, 1]
# 计算损失
detection_loss = detection_loss(all_detection_preds,
all_binary_y.float())
result['detection_loss'] = detection_loss
logger.info(
metrics.classification_report(all_binary_y,
all_detection_binary_preds,
target_names=['oos', 'in']))
# report
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_detection_binary_preds, all_binary_y)
detection_acc = metrics.accuracy(all_detection_binary_preds,
all_binary_y)
y_score = all_detection_preds.squeeze().tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
if args.do_vis:
all_features = torch.cat(all_features, 0).cpu().numpy()
result['all_features'] = all_features
ind_class_acc = metrics.ind_class_accuracy(all_detection_binary_preds,
all_y)
result['ind_class_acc'] = ind_class_acc
result['loss'] = total_loss / n_sample
result['eer'] = eer
result['all_detection_binary_preds'] = all_detection_binary_preds
result['detection_acc'] = detection_acc
result['all_binary_y'] = all_binary_y
result['all_y'] = all_y
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['score'] = y_score
result['y_score'] = y_score
result['all_pred'] = all_detection_binary_preds
result['auc'] = roc_auc_score(all_binary_y, y_score)
freeze_data['test_all_y'] = all_y.tolist()
freeze_data['test_all_pred'] = all_detection_binary_preds.tolist()
freeze_data['test_score'] = y_score
return result
if args.do_train:
if config['data_file'].startswith('binary'):
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_train_set = processor.read_dataset(data_path,
['train', 'oos_train'])
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
train_features = processor.convert_to_ids(text_train_set)
train_dataset = OOSDataset(train_features)
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
train(train_dataset, dev_dataset)
if args.do_eval:
logger.info(
'#################### eval result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_dev_set = processor.read_dataset(data_path, ['val'])
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
eval_result = eval(dev_dataset)
logger.info(eval_result)
logger.info('eval_eer: {}'.format(eval_result['eer']))
logger.info('eval_oos_ind_precision: {}'.format(
eval_result['oos_ind_precision']))
logger.info('eval_oos_ind_recall: {}'.format(
eval_result['oos_ind_recall']))
logger.info('eval_oos_ind_f_score: {}'.format(
eval_result['oos_ind_f_score']))
logger.info('eval_auc: {}'.format(eval_result['auc']))
logger.info('eval_fpr95: {}'.format(
ErrorRateAt95Recall(eval_result['all_binary_y'],
eval_result['y_score'])))
if args.do_test:
logger.info(
'#################### test result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_test_set = processor.read_dataset(data_path, ['test'])
elif config['dataset'] == 'oos-eval':
text_test_set = processor.read_dataset(data_path,
['test', 'oos_test'])
elif config['dataset'] == 'smp':
text_test_set = processor.read_dataset(data_path, ['test'])
test_features = processor.convert_to_ids(text_test_set)
test_dataset = OOSDataset(test_features)
test_result = test(test_dataset)
logger.info(test_result)
logger.info('test_eer: {}'.format(test_result['eer']))
logger.info('test_ood_ind_precision: {}'.format(
test_result['oos_ind_precision']))
logger.info('test_ood_ind_recall: {}'.format(
test_result['oos_ind_recall']))
logger.info('test_ood_ind_f_score: {}'.format(
test_result['oos_ind_f_score']))
logger.info('test_auc: {}'.format(test_result['auc']))
logger.info('test_fpr95: {}'.format(
ErrorRateAt95Recall(test_result['all_binary_y'],
test_result['y_score'])))
# 输出错误cases
if config['dataset'] == 'oos-eval':
texts = [line[0] for line in text_test_set]
elif config['dataset'] == 'smp':
texts = [line['text'] for line in text_test_set]
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
# output_cases(texts, test_result['all_y'], test_result['all_pred'],
# os.path.join(args.output_dir, 'test_cases.csv'), processor, test_result['test_logit'])
# confusion matrix
plot_confusion_matrix(test_result['all_y'], test_result['all_pred'],
args.output_dir)
# print(layer.weights)
new_model_weights.extend(layer.weights)
print(len(new_model_weights))
# for i in range(len(mapping)):
# print(new_model_weights[i], mapping[i])
if len(new_model_weights) != len(values):
raise ValueError(
'Expecting %s weights, but provide a list of %s weights.' %
(len(new_model_weights), len(values)))
K.batch_set_value(zip(new_model_weights, values))
if __name__ == '__main__':
model_path = "/Users/James/Study/pretrained_models/bert/chinese-bert_chinese_wwm_L-12_H-768_A-12/bert_model.ckpt"
config_dict = "/Users/James/Study/pretrained_models/bert/chinese-bert_chinese_wwm_L-12_H-768_A-12/bert_config.json"
bert_config = BertConfig(config_dict)
bert = BertEncoder(bert_config)
bert.summary()
# bert.build(input_shape=[(None,None),(None,None)])
bert.load_weights_from_checkpoint(model_path)
# print(bert.layers)
# print(len(bert.layers))
# bert.load_weights_from_checkpoint(model_path)
def main():
parser = argparse.ArgumentParser()
# Required parameters
parser.add_argument("--model_name",
default='GBert-predict',
type=str,
required=False,
help="model name")
parser.add_argument("--data_dir",
default='../data',
type=str,
required=False,
help="The input data dir.")
parser.add_argument("--pretrain_dir",
default='../saved/GBert-pretraining',
type=str,
required=False,
help="pretraining model")
parser.add_argument("--train_file",
default='data-multi-visit.pkl',
type=str,
required=False,
help="training data file.")
parser.add_argument(
"--output_dir",
default='../saved/',
type=str,
required=False,
help="The output directory where the model checkpoints will be written."
)
# Other parameters
parser.add_argument("--use_pretrain",
default=False,
action='store_true',
help="is use pretrain")
parser.add_argument("--graph",
default=False,
action='store_true',
help="if use ontology embedding")
parser.add_argument("--therhold",
default=0.3,
type=float,
help="therhold.")
parser.add_argument(
"--max_seq_length",
default=55,
type=int,
help=
"The maximum total input sequence length after WordPiece tokenization. \n"
"Sequences longer than this will be truncated, and sequences shorter \n"
"than this will be padded.")
parser.add_argument("--do_train",
default=False,
action='store_true',
help="Whether to run training.")
parser.add_argument("--do_eval",
default=True,
action='store_true',
help="Whether to run on the dev set.")
parser.add_argument("--do_test",
default=True,
action='store_true',
help="Whether to run on the test set.")
parser.add_argument("--train_batch_size",
default=1,
type=int,
help="Total batch size for training.")
parser.add_argument("--learning_rate",
default=5e-4,
type=float,
help="The initial learning rate for Adam.")
parser.add_argument("--num_train_epochs",
default=20.0,
type=float,
help="Total number of training epochs to perform.")
parser.add_argument("--no_cuda",
action='store_true',
help="Whether not to use CUDA when available")
parser.add_argument('--seed',
type=int,
default=1203,
help="random seed for initialization")
parser.add_argument(
"--warmup_proportion",
default=0.1,
type=float,
help=
"Proportion of training to perform linear learning rate warmup for. "
"E.g., 0.1 = 10%% of training.")
args = parser.parse_args()
args.output_dir = os.path.join(args.output_dir, args.model_name)
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
device = torch.device(
"cuda" if torch.cuda.is_available() and not args.no_cuda else "cpu")
if not args.do_train and not args.do_eval:
raise ValueError(
"At least one of `do_train` or `do_eval` must be True.")
# if os.path.exists(args.output_dir) and os.listdir(args.output_dir) and args.do_train:
# raise ValueError(
# "Output directory ({}) already exists and is not empty.".format(args.output_dir))
os.makedirs(args.output_dir, exist_ok=True)
print("Loading Dataset")
tokenizer, (train_dataset, eval_dataset, test_dataset) = load_dataset(args)
train_dataloader = DataLoader(train_dataset,
sampler=RandomSampler(train_dataset),
batch_size=1)
eval_dataloader = DataLoader(eval_dataset,
sampler=SequentialSampler(eval_dataset),
batch_size=1)
test_dataloader = DataLoader(test_dataset,
sampler=SequentialSampler(test_dataset),
batch_size=1)
print('Loading Model: ' + args.model_name)
# config = BertConfig(vocab_size_or_config_json_file=len(tokenizer.vocab.word2idx), side_len=train_dataset.side_len)
# config.graph = args.graph
# model = SeperateBertTransModel(config, tokenizer.dx_voc, tokenizer.rx_voc)
if args.use_pretrain:
logger.info("Use Pretraining model")
model = GBERT_Predict.from_pretrained(args.pretrain_dir,
tokenizer=tokenizer)
else:
config = BertConfig(
vocab_size_or_config_json_file=len(tokenizer.vocab.word2idx))
config.graph = args.graph
model = GBERT_Predict(config, tokenizer)
logger.info('# of model parameters: ' + str(get_n_params(model)))
model.to(device)
model_to_save = model.module if hasattr(
model, 'module') else model # Only save the model it-self
rx_output_model_file = os.path.join(args.output_dir, "pytorch_model.bin")
# Prepare optimizer
# num_train_optimization_steps = int(
# len(train_dataset) / args.train_batch_size) * args.num_train_epochs
# param_optimizer = list(model.named_parameters())
# 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': 0.01},
# {'params': [p for n, p in param_optimizer if any(
# nd in n for nd in no_decay)], 'weight_decay': 0.0}
# ]
# optimizer = BertAdam(optimizer_grouped_parameters,
# lr=args.learning_rate,
# warmup=args.warmup_proportion,
# t_total=num_train_optimization_steps)
optimizer = Adam(model.parameters(), lr=args.learning_rate)
global_step = 0
if args.do_train:
writer = SummaryWriter(args.output_dir)
logger.info("***** Running training *****")
logger.info(" Num examples = %d", len(train_dataset))
logger.info(" Batch size = %d", 1)
dx_acc_best, rx_acc_best = 0, 0
acc_name = 'prauc'
dx_history = {'prauc': []}
rx_history = {'prauc': []}
for _ in trange(int(args.num_train_epochs), desc="Epoch"):
print('')
tr_loss = 0
nb_tr_examples, nb_tr_steps = 0, 0
prog_iter = tqdm(train_dataloader, leave=False, desc='Training')
model.train()
for _, batch in enumerate(prog_iter):
batch = tuple(t.to(device) for t in batch)
input_ids, dx_labels, rx_labels = batch
input_ids, dx_labels, rx_labels = input_ids.squeeze(
dim=0), dx_labels.squeeze(dim=0), rx_labels.squeeze(dim=0)
loss, rx_logits = model(input_ids,
dx_labels=dx_labels,
rx_labels=rx_labels,
epoch=global_step)
loss.backward()
tr_loss += loss.item()
nb_tr_examples += 1
nb_tr_steps += 1
# Display loss
prog_iter.set_postfix(loss='%.4f' % (tr_loss / nb_tr_steps))
optimizer.step()
optimizer.zero_grad()
writer.add_scalar('train/loss', tr_loss / nb_tr_steps, global_step)
global_step += 1
if args.do_eval:
print('')
logger.info("***** Running eval *****")
model.eval()
dx_y_preds = []
dx_y_trues = []
rx_y_preds = []
rx_y_trues = []
for eval_input in tqdm(eval_dataloader, desc="Evaluating"):
eval_input = tuple(t.to(device) for t in eval_input)
input_ids, dx_labels, rx_labels = eval_input
input_ids, dx_labels, rx_labels = input_ids.squeeze(
), dx_labels.squeeze(), rx_labels.squeeze(dim=0)
with torch.no_grad():
loss, rx_logits = model(input_ids,
dx_labels=dx_labels,
rx_labels=rx_labels)
rx_y_preds.append(t2n(torch.sigmoid(rx_logits)))
rx_y_trues.append(t2n(rx_labels))
# dx_y_preds.append(t2n(torch.sigmoid(dx_logits)))
# dx_y_trues.append(
# t2n(dx_labels.view(-1, len(tokenizer.dx_voc.word2idx))))
# rx_y_preds.append(t2n(torch.sigmoid(rx_logits))[
# :, tokenizer.rx_singe2multi])
# rx_y_trues.append(
# t2n(rx_labels)[:, tokenizer.rx_singe2multi])
print('')
# dx_acc_container = metric_report(np.concatenate(dx_y_preds, axis=0), np.concatenate(dx_y_trues, axis=0),
# args.therhold)
rx_acc_container = metric_report(
np.concatenate(rx_y_preds, axis=0),
np.concatenate(rx_y_trues, axis=0), args.therhold)
for k, v in rx_acc_container.items():
writer.add_scalar('eval/{}'.format(k), v, global_step)
if rx_acc_container[acc_name] > rx_acc_best:
rx_acc_best = rx_acc_container[acc_name]
# save model
torch.save(model_to_save.state_dict(),
rx_output_model_file)
with open(os.path.join(args.output_dir, 'bert_config.json'),
'w',
encoding='utf-8') as fout:
fout.write(model.config.to_json_string())
if args.do_test:
logger.info("***** Running test *****")
logger.info(" Num examples = %d", len(test_dataset))
logger.info(" Batch size = %d", 1)
def test(task=0):
# Load a trained model that you have fine-tuned
model_state_dict = torch.load(rx_output_model_file)
model.load_state_dict(model_state_dict)
model.to(device)
model.eval()
y_preds = []
y_trues = []
for test_input in tqdm(test_dataloader, desc="Testing"):
test_input = tuple(t.to(device) for t in test_input)
input_ids, dx_labels, rx_labels = test_input
input_ids, dx_labels, rx_labels = input_ids.squeeze(
), dx_labels.squeeze(), rx_labels.squeeze(dim=0)
with torch.no_grad():
loss, rx_logits = model(input_ids,
dx_labels=dx_labels,
rx_labels=rx_labels)
y_preds.append(t2n(torch.sigmoid(rx_logits)))
y_trues.append(t2n(rx_labels))
print('')
acc_container = metric_report(np.concatenate(y_preds, axis=0),
np.concatenate(y_trues, axis=0),
args.therhold)
# save report
if args.do_train:
for k, v in acc_container.items():
writer.add_scalar('test/{}'.format(k), v, 0)
return acc_container
test(task=0)
'weight_decay':
0.01,
'decay_filter':
lambda x: 'layernorm' not in x.name.lower() and 'bias' not in x.name.
lower(),
}),
'Momentum':
edict({
'learning_rate': 2e-5,
'momentum': 0.9,
}),
})
bert_net_cfg = BertConfig(
seq_length=128,
vocab_size=21128,
hidden_size=768,
num_hidden_layers=12,
num_attention_heads=12,
intermediate_size=3072,
hidden_act="gelu",
hidden_dropout_prob=0.1,
attention_probs_dropout_prob=0.1,
max_position_embeddings=512,
type_vocab_size=2,
initializer_range=0.02,
use_relative_positions=False,
dtype=ts.float32,
compute_type=ts.float16,
)
def main(args):
check_manual_seed(args.seed)
logger.info('seed: {}'.format(args.seed))
logger.info('Loading config...')
bert_config = BertConfig('config/bert.ini')
bert_config = bert_config(args.bert_type)
# for oos-eval dataset
data_config = Config('config/data.ini')
data_config = data_config(args.dataset)
# Prepare data processor
data_path = os.path.join(data_config['DataDir'],
data_config[args.data_file]) # 把目录和文件名合成一个路径
label_path = data_path.replace('.json', '.label')
with open(data_path, 'r', encoding='utf-8') as fp:
data = json.load(fp)
for type in data:
logger.info('{} : {}'.format(type, len(data[type])))
with open(label_path, 'r', encoding='utf-8') as fp:
logger.info(json.load(fp))
if args.dataset == 'oos-eval':
processor = OOSProcessor(bert_config, maxlen=32)
logger.info('OOSProcessor')
elif args.dataset == 'smp':
processor = SMPProcessor(bert_config, maxlen=32)
# processor = PosSMPProcessor(bert_config, maxlen=32)
logger.info('SMPProcessor')
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
processor.load_label(
label_path) # Adding label_to_id and id_to_label ot processor.
logger.info("label_to_id: {}".format(processor.label_to_id))
logger.info("id_to_label: {}".format(processor.id_to_label))
n_class = len(processor.id_to_label)
config = vars(args) # 返回参数字典
config['gan_save_path'] = os.path.join(args.output_dir, 'save', 'gan.pt')
config['bert_save_path'] = os.path.join(args.output_dir, 'save', 'bert.pt')
config['n_class'] = n_class
logger.info('config:')
logger.info(config)
# E = BertModel.from_pretrained(bert_config['PreTrainModelDir']) # Bert encoder
model = BertClassifier(bert_config, n_class) # Bert encoder
if args.fine_tune:
for param in model.parameters():
param.requires_grad = True
else:
for param in model.parameters():
param.requires_grad = False
model.to(device)
global_step = 0
def train(train_dataset, dev_dataset):
train_dataloader = DataLoader(train_dataset,
batch_size=args.train_batch_size,
shuffle=True,
num_workers=2)
global best_dev
nonlocal global_step
n_sample = len(train_dataloader)
early_stopping = EarlyStopping(args.patience, logger=logger)
# Loss function
adversarial_loss = torch.nn.BCELoss().to(device)
# Optimizers
optimizer = AdamW(model.parameters(), args.bert_lr)
valid_detection_loss = []
valid_oos_ind_precision = []
valid_oos_ind_recall = []
valid_oos_ind_f_score = []
train_loss = []
iteration = 0
for i in range(args.n_epoch):
logger.info('***********************************')
logger.info('epoch: {}'.format(i))
# Initialize model state
model.train()
total_loss = 0
for sample in tqdm(train_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
optimizer.zero_grad()
logit = model(token, mask, type_ids)
loss = adversarial_loss(logit, y.float())
loss.backward()
optimizer.step()
total_loss += loss.item()
logger.info('[Epoch {}] Train: loss: {}'.format(
i, total_loss / n_sample))
train_loss.append(total_loss / n_sample)
iteration += 1
logger.info(
'---------------------------------------------------------------------------'
)
if dev_dataset:
logger.info(
'#################### eval result at step {} ####################'
.format(global_step))
eval_result = eval(dev_dataset)
valid_detection_loss.append(eval_result['detection_loss'])
valid_oos_ind_precision.append(
eval_result['oos_ind_precision'])
valid_oos_ind_recall.append(eval_result['oos_ind_recall'])
valid_oos_ind_f_score.append(eval_result['oos_ind_f_score'])
# 1 表示要保存模型
# 0 表示不需要保存模型
# -1 表示不需要模型，且超过了patience，需要early stop
signal = early_stopping(-eval_result['eer'])
if signal == -1:
break
# elif signal == 0:
# pass
# elif signal == 1:
# save_gan_model(D, G, config['gan_save_path'])
# if args.fine_tune:
# save_model(E, path=config['bert_save_path'], model_name='bert')
logger.info(eval_result)
logger.info('valid_eer: {}'.format(eval_result['eer']))
logger.info('valid_oos_ind_precision: {}'.format(
eval_result['oos_ind_precision']))
logger.info('valid_oos_ind_recall: {}'.format(
eval_result['oos_ind_recall']))
logger.info('valid_oos_ind_f_score: {}'.format(
eval_result['oos_ind_f_score']))
logger.info('valid_auc: {}'.format(eval_result['auc']))
logger.info('valid_fpr95: {}'.format(
ErrorRateAt95Recall(eval_result['all_binary_y'],
eval_result['y_score'])))
from utils.visualization import draw_curve
draw_curve(train_loss, iteration, 'train_loss', args.output_dir)
best_dev = -early_stopping.best_score
def eval(dataset):
dev_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(dev_dataloader)
result = dict()
detection_loss = torch.nn.BCELoss().to(device)
model.eval()
all_detection_preds = []
all_detection_logit = []
total_loss = 0
for sample in tqdm(dev_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
# -------------------------evaluate D------------------------- #
# BERT encode sentence to feature vector
with torch.no_grad():
logit = model(token, mask, type_ids)
all_detection_logit.append(logit)
all_detection_preds.append(logit)
total_loss += detection_loss(logit, y.float())
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_detection_preds = torch.cat(all_detection_preds,
0).cpu() # [length, 1]
all_detection_binary_preds = convert_to_int_by_threshold(
all_detection_preds.squeeze()) # [length, 1]
all_detection_logit = torch.cat(all_detection_logit, 0).cpu()
# 计算损失
result['detection_loss'] = total_loss
logger.info(
metrics.classification_report(all_binary_y,
all_detection_binary_preds,
target_names=['oos', 'in']))
# report
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_detection_binary_preds, all_binary_y)
detection_acc = metrics.accuracy(all_detection_binary_preds,
all_binary_y)
y_score = all_detection_logit.squeeze().tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
result['eer'] = eer
result['all_detection_binary_preds'] = all_detection_binary_preds
result['detection_acc'] = detection_acc
result['all_binary_y'] = all_binary_y
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['y_score'] = y_score
result['auc'] = roc_auc_score(all_binary_y, y_score)
return result
def test(dataset):
# # load BERT and GAN
# load_gan_model(D, G, config['gan_save_path'])
# if args.fine_tune:
# load_model(E, path=config['bert_save_path'], model_name='bert')
#
test_dataloader = DataLoader(dataset,
batch_size=args.predict_batch_size,
shuffle=False,
num_workers=2)
n_sample = len(test_dataloader)
result = dict()
# Loss function
detection_loss = torch.nn.BCELoss().to(device)
model.eval()
all_detection_preds = []
all_detection_logit = []
total_loss = 0
for sample in tqdm(test_dataloader):
sample = (i.to(device) for i in sample)
token, mask, type_ids, y = sample
batch = len(token)
# -------------------------evaluate D------------------------- #
# BERT encode sentence to feature vector
with torch.no_grad():
logit = model(token, mask, type_ids)
all_detection_logit.append(logit)
all_detection_preds.append(logit)
total_loss += detection_loss(logit, y.float())
all_y = LongTensor(
dataset.dataset[:, -1].astype(int)).cpu() # [length, n_class]
all_binary_y = (all_y != 0).long() # [length, 1] label 0 is oos
all_detection_preds = torch.cat(all_detection_preds,
0).cpu() # [length, 1]
all_detection_binary_preds = convert_to_int_by_threshold(
all_detection_preds.squeeze()) # [length, 1]
all_detection_logit = torch.cat(all_detection_logit, 0).cpu()
# 计算损失
result['detection_loss'] = total_loss
logger.info(
metrics.classification_report(all_binary_y,
all_detection_binary_preds,
target_names=['oos', 'in']))
# report
oos_ind_precision, oos_ind_recall, oos_ind_fscore, _ = metrics.binary_recall_fscore(
all_detection_binary_preds, all_binary_y)
detection_acc = metrics.accuracy(all_detection_binary_preds,
all_binary_y)
y_score = all_detection_logit.squeeze().tolist()
eer = metrics.cal_eer(all_binary_y, y_score)
test_logit = all_detection_logit.tolist()
result['test_logit'] = test_logit
result['eer'] = eer
result['all_detection_binary_preds'] = all_detection_binary_preds
result['detection_acc'] = detection_acc
result['all_binary_y'] = all_binary_y
result['oos_ind_precision'] = oos_ind_precision
result['oos_ind_recall'] = oos_ind_recall
result['oos_ind_f_score'] = oos_ind_fscore
result['y_score'] = y_score
result['auc'] = roc_auc_score(all_binary_y, y_score)
return result
if args.do_train:
if config['data_file'].startswith('binary'):
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_train_set = processor.read_dataset(data_path,
['train', 'oos_train'])
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_train_set = processor.read_dataset(data_path, ['train'])
text_dev_set = processor.read_dataset(data_path, ['val'])
train_features = processor.convert_to_ids(text_train_set)
train_dataset = OOSDataset(train_features)
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
train(train_dataset, dev_dataset)
if args.do_eval:
logger.info(
'#################### eval result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_dev_set = processor.read_dataset(data_path, ['val'])
elif config['dataset'] == 'oos-eval':
text_dev_set = processor.read_dataset(data_path,
['val', 'oos_val'])
elif config['dataset'] == 'smp':
text_dev_set = processor.read_dataset(data_path, ['val'])
dev_features = processor.convert_to_ids(text_dev_set)
dev_dataset = OOSDataset(dev_features)
eval_result = eval(dev_dataset)
logger.info(eval_result)
logger.info('eval_eer: {}'.format(eval_result['eer']))
logger.info('eval_oos_ind_precision: {}'.format(
eval_result['oos_ind_precision']))
logger.info('eval_oos_ind_recall: {}'.format(
eval_result['oos_ind_recall']))
logger.info('eval_oos_ind_f_score: {}'.format(
eval_result['oos_ind_f_score']))
logger.info('eval_auc: {}'.format(eval_result['auc']))
logger.info('eval_fpr95: {}'.format(
ErrorRateAt95Recall(eval_result['all_binary_y'],
eval_result['y_score'])))
if args.do_test:
logger.info(
'#################### test result at step {} ####################'.
format(global_step))
if config['data_file'].startswith('binary'):
text_test_set = processor.read_dataset(data_path, ['test'])
elif config['dataset'] == 'oos-eval':
text_test_set = processor.read_dataset(data_path,
['test', 'oos_test'])
elif config['dataset'] == 'smp':
text_test_set = processor.read_dataset(data_path, ['test'])
test_features = processor.convert_to_ids(text_test_set)
test_dataset = OOSDataset(test_features)
test_result = test(test_dataset)
logger.info(test_result)
logger.info('test_eer: {}'.format(test_result['eer']))
logger.info('test_ood_ind_precision: {}'.format(
test_result['oos_ind_precision']))
logger.info('test_ood_ind_recall: {}'.format(
test_result['oos_ind_recall']))
logger.info('test_ood_ind_f_score: {}'.format(
test_result['oos_ind_f_score']))
logger.info('test_auc: {}'.format(test_result['auc']))
logger.info('test_fpr95: {}'.format(
ErrorRateAt95Recall(test_result['all_binary_y'],
test_result['y_score'])))
my_plot_roc(test_result['all_binary_y'], test_result['y_score'],
os.path.join(args.output_dir, 'roc_curve.png'))
save_result(test_result, os.path.join(args.output_dir, 'test_result'))
# 输出错误cases
if config['dataset'] == 'oos-eval':
texts = [line[0] for line in text_test_set]
elif config['dataset'] == 'smp':
texts = [line['text'] for line in text_test_set]
else:
raise ValueError('The dataset {} is not supported.'.format(
args.dataset))
output_cases(texts, test_result['all_binary_y'],
test_result['all_detection_binary_preds'],
os.path.join(args.output_dir, 'test_cases.csv'),
processor, test_result['test_logit'])
# confusion matrix
plot_confusion_matrix(test_result['all_binary_y'],
test_result['all_detection_binary_preds'],
args.output_dir)
beta_log_path = 'beta_log.txt'
if os.path.exists(beta_log_path):
flag = True
else:
flag = False
with open(beta_log_path, 'a', encoding='utf-8') as f:
if flag == False:
f.write('seed\tdataset\tdev_eer\ttest_eer\tdata_size\n')
line = '\t'.join([
str(config['seed']),
str(config['data_file']),
str(best_dev),
str(test_result['eer']), '100'
])
f.write(line + '\n')