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train_pre.py
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train_pre.py
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import re
import os
import sys
import time
import copy
import tqdm
import glob
import json
import math
import scipy
import shutil
import random
import pickle
import argparse
import numpy as np
import pandas as pd
import multiprocessing
import sklearn
from sklearn.svm import SVC
from sklearn.svm import SVR
from sklearn.tree import DecisionTreeRegressor
from sklearn.linear_model import SGDRegressor
from sklearn.linear_model import LogisticRegression
from sklearn.ensemble import RandomForestClassifier
from sklearn.model_selection import cross_validate
from sklearn.metrics import confusion_matrix
from sklearn.metrics import f1_score, accuracy_score
from sklearn.metrics import mean_squared_error
import torch
import torch.nn as nn
import torch.nn.functional as F
import torch.optim as optim
from torch.utils.data import Dataset
from torch.utils.data import DataLoader
from torch.utils.data.sampler import SubsetRandomSampler
from model import *
from data_process.utils import *
from transformers import BertTokenizer
import config
emos = ['neutral', 'angry', 'happy', 'sad', 'worried', 'surprise']
emo2idx, idx2emo = {}, {}
for ii, emo in enumerate(emos): emo2idx[emo] = ii
for ii, emo in enumerate(emos): idx2emo[ii] = emo
########################################################
############## multiprocess read features ##############
########################################################
def func_read_one(argv=None, feature_root=None, name=None):
feature_root, name = argv
feature_dir = glob.glob(os.path.join(feature_root, name+'*'))
assert len(feature_dir) == 1
feature_path = feature_dir[0]
feature = []
if feature_path.endswith('.npy'):
single_feature = np.load(feature_path)
single_feature = single_feature.squeeze()
feature.append(single_feature)
else:
facenames = os.listdir(feature_path)
for facename in sorted(facenames):
facefeat = np.load(os.path.join(feature_path, facename))
feature.append(facefeat)
single_feature = np.array(feature).squeeze()
if len(single_feature) == 0:
print ('feature has errors!!')
elif len(single_feature.shape) == 2:
single_feature = np.mean(single_feature, axis=0)
return single_feature
def read_data_multiprocess(label_path, feature_root, task='emo', data_type='train', debug=False):
## gain (names, labels)
names, labels = [], []
assert task in ['emo', 'aro', 'val', 'whole']
assert data_type in ['train', 'test1', 'test2', 'test3']
if data_type == 'train': corpus = np.load(label_path, allow_pickle=True)['train_corpus'].tolist()
if data_type == 'test1': corpus = np.load(label_path, allow_pickle=True)['test1_corpus'].tolist()
if data_type == 'test2': corpus = np.load(label_path, allow_pickle=True)['test2_corpus'].tolist()
if data_type == 'test3': corpus = np.load(label_path, allow_pickle=True)['test3_corpus'].tolist()
for name in corpus:
names.append(name)
if task in ['aro', 'val']:
labels.append(corpus[name][task])
if task == 'emo':
labels.append(emo2idx[corpus[name]['emo']])
if task == 'whole':
corpus[name]['emo'] = emo2idx[corpus[name]['emo']]
labels.append(corpus[name])
## ============= for debug =============
if debug:
names = names[:100]
labels = labels[:100]
## =====================================
## names => features
params = []
for ii, name in tqdm.tqdm(enumerate(names)):
params.append((feature_root, name))
features = []
with multiprocessing.Pool(processes=8) as pool:
features = list(tqdm.tqdm(pool.imap(func_read_one, params), total=len(params)))
feature_dim = np.array(features).shape[-1]
## save (names, features)
print (f'Input feature {feature_root} ===> dim is {feature_dim}')
assert len(names) == len(features), f'Error: len(names) != len(features)'
name2feats, name2labels = {}, {}
for ii in range(len(names)):
name2feats[names[ii]] = features[ii]
name2labels[names[ii]] = labels[ii]
return name2feats, name2labels, feature_dim
########################################################
##################### data loader ######################
########################################################
class MERDataset(Dataset):
def __init__(self, branch='train', tokenizer=None):
super(Dataset, self).__init__()
df = pd.read_csv("dataset/%s.csv" % branch, encoding='utf-8', sep="\t").fillna('')
self.tokenizer = tokenizer
self.data = df.values.tolist()
self.emos_label = self.trans_emos_2_label(np.array(self.data)[:, 0])
def __len__(self):
return len(self.data)
def __getitem__(self, idx):
enc_input = self.tokenizer(
self.data[idx][-1],
max_length=512,
padding="max_length",
truncation=True,
return_tensors="pt"
)
return enc_input.input_ids.squeeze(), enc_input.attention_mask.squeeze(), enc_input.token_type_ids.squeeze(), \
self.emos_label[idx], self.data[idx][1], self.data[idx][2]
def trans_emos_2_label(self, emos_):
labels = []
for item in emos_:
labels.append(emo2idx[item])
return labels
## for five-fold cross-validation on Train&Val
def get_loaders(args, config):
pretrained_model = 'hfl/chinese-macbert-base'
tokenizer = BertTokenizer.from_pretrained(pretrained_model)
train_dataset = MERDataset(tokenizer = tokenizer,
branch = 'base_text_refine_dataset_all')
# gain indices for cross-validation
whole_folder = []
whole_num = len(train_dataset.data)
indices = np.arange(whole_num)
random.shuffle(indices)
# split indices into five-fold
num_folder = args.num_folder
each_folder_num = int(whole_num / num_folder)
for ii in range(num_folder-1):
each_folder = indices[each_folder_num*ii: each_folder_num*(ii+1)]
whole_folder.append(each_folder)
each_folder = indices[each_folder_num*(num_folder-1):]
whole_folder.append(each_folder)
assert len(whole_folder) == num_folder
assert sum([len(each) for each in whole_folder if 1==1]) == whole_num
## split into train/eval
train_eval_idxs = []
for ii in range(num_folder):
eval_idxs = whole_folder[ii]
train_idxs = []
for jj in range(num_folder):
if jj != ii: train_idxs.extend(whole_folder[jj])
train_eval_idxs.append([train_idxs, eval_idxs])
## gain train and eval loaders
train_loaders = []
eval_loaders = []
for ii in range(len(train_eval_idxs)):
train_idxs = train_eval_idxs[ii][0]
eval_idxs = train_eval_idxs[ii][1]
train_loader = DataLoader(train_dataset,
batch_size=args.batch_size,
sampler=SubsetRandomSampler(train_idxs),
num_workers=args.num_workers,
pin_memory=False,
drop_last=True)
eval_loader = DataLoader(train_dataset,
batch_size=args.batch_size,
sampler=SubsetRandomSampler(eval_idxs),
num_workers=args.num_workers,
pin_memory=False,
drop_last=True)
train_loaders.append(train_loader)
eval_loaders.append(eval_loader)
test_loaders = []
for test_set in args.test_sets:
tokenizer = BertTokenizer.from_pretrained(pretrained_model)
test_dataset = MERDataset(tokenizer = tokenizer,
branch = 'base_text_refine_dataset_all')
test_loader = DataLoader(test_dataset,
batch_size=args.batch_size,
num_workers=args.num_workers,
shuffle=False,
pin_memory=False,
drop_last=True)
test_loaders.append(test_loader)
## return loaders
return train_loaders, eval_loaders, test_loaders
########################################################
########### main training/testing function #############
########################################################
def train_or_eval_model(args, model, reg_loss, cls_loss, dataloader, optimizer=None, train=False):
vidnames = []
val_preds, val_labels = [], []
emo_probs, emo_labels = [], []
embeddings = []
assert not train or optimizer!=None
if train:
model.train()
else:
model.eval()
for data in dataloader:
if train:
optimizer.zero_grad()
## analyze dataloader
input_ids, attention_mask, token_type_ids, emos, vals, vidnames = data
## add cuda
input_ids = input_ids.cuda()
attention_mask = attention_mask.cuda()
token_type_ids = token_type_ids.cuda()
emos = emos.cuda()
vals = vals.cuda()
features, emos_out, vals_out = model(enc_inputs=input_ids,
attention_mask=attention_mask,
token_type_ids=token_type_ids)
emo_probs.append(emos_out.data.cpu().numpy())
val_preds.append(vals_out.data.cpu().numpy())
emo_labels.append(emos.data.cpu().numpy())
val_labels.append(vals.data.cpu().numpy())
embeddings.append(features.data.cpu().numpy())
## optimize params
if train:
loss1 = cls_loss(emos_out.to(torch.float32), emos.to(torch.float32))
loss2 = reg_loss(vals_out.to(torch.float32), vals.to(torch.float32))
loss = loss1 + loss2
loss = loss
loss.backward()
optimizer.step()
## evaluate on discrete labels
emo_probs = np.concatenate(emo_probs)
embeddings = np.concatenate(embeddings)
emo_labels = np.concatenate(emo_labels)
emo_preds = np.argmax(emo_probs, 1)
emo_accuracy = accuracy_score(emo_labels, emo_preds)
emo_fscore = f1_score(emo_labels, emo_preds, average='weighted')
## evaluate on dimensional labels
val_preds = np.concatenate(val_preds)
val_labels = np.concatenate(val_labels)
val_mse = mean_squared_error(val_labels, val_preds)
save_results = {}
# item1: statistic results
save_results['val_mse'] = val_mse
save_results['emo_fscore'] = emo_fscore
save_results['emo_accuracy'] = emo_accuracy
# item2: sample-level results
save_results['emo_probs'] = emo_probs
save_results['val_preds'] = val_preds
save_results['emo_labels'] = emo_labels
save_results['val_labels'] = val_labels
save_results['names'] = vidnames
# item3: latent embeddings
if args.savewhole: save_results['embeddings'] = embeddings
return save_results
########################################################
############# metric and save results ##################
########################################################
def overall_metric(emo_fscore, val_mse):
final_score = emo_fscore - val_mse * 0.25
return final_score
def average_folder_results(folder_save, testname):
name2preds = {}
num_folder = len(folder_save)
for ii in range(num_folder):
names = folder_save[ii][f'{testname}_names']
emoprobs = folder_save[ii][f'{testname}_emoprobs']
valpreds = folder_save[ii][f'{testname}_valpreds']
for jj in range(len(names)):
name = names[jj]
emoprob = emoprobs[jj]
valpred = valpreds[jj]
if name not in name2preds: name2preds[name] = []
name2preds[name].append({'emo': emoprob, 'val': valpred})
## gain average results
name2avgpreds = {}
for name in name2preds:
preds = np.array(name2preds[name])
emoprobs = [pred['emo'] for pred in preds if 1==1]
valpreds = [pred['val'] for pred in preds if 1==1]
avg_emoprob = np.mean(emoprobs, axis=0)
avg_emopred = np.argmax(avg_emoprob)
avg_valpred = np.mean(valpreds)
name2avgpreds[name] = {'emo': avg_emopred, 'val': avg_valpred, 'emoprob': avg_emoprob}
return name2avgpreds
def gain_name2feat(folder_save, testname):
name2feat = {}
assert len(folder_save) >= 1
names = folder_save[0][f'{testname}_names']
embeddings = folder_save[0][f'{testname}_embeddings']
for jj in range(len(names)):
name = names[jj]
embedding = embeddings[jj]
name2feat[name] = embedding
return name2feat
def write_to_csv_pred(name2preds, save_path):
names, emos, vals = [], [], []
for name in name2preds:
names.append(name)
emos.append(idx2emo[name2preds[name]['emo']])
vals.append(name2preds[name]['val'])
columns = ['name', 'discrete', 'valence']
data = np.column_stack([names, emos, vals])
df = pd.DataFrame(data=data, columns=columns)
df.to_csv(save_path, index=False)
def report_results_on_test1_test2(test_label, test_pred):
# read target file (few for test3)
name2label = {}
df_label = pd.read_csv(test_label)
for _, row in df_label.iterrows():
name = row['name']
emo = row['discrete']
val = row['valence']
name2label[name] = {'emo': emo2idx[emo], 'val': val}
print (f'labeled samples: {len(name2label)}')
# read prediction file (more for test3)
name2pred = {}
df_label = pd.read_csv(test_pred)
for _, row in df_label.iterrows():
name = row['name']
emo = row['discrete']
val = row['valence']
name2pred[name] = {'emo': emo2idx[emo], 'val': val}
print (f'predict samples: {len(name2pred)}')
assert len(name2pred) == len(name2label), f'make sure len(name2pred)=len(name2label)'
emo_labels, emo_preds, val_labels, val_preds = [], [], [], []
for name in name2label:
emo_labels.append(name2label[name]['emo'])
val_labels.append(name2label[name]['val'])
emo_preds.append(name2pred[name]['emo'])
val_preds.append(name2pred[name]['val'])
# analyze results
emo_fscore = f1_score(emo_labels, emo_preds, average='weighted')
print (f'emo results (weighted f1 score): {emo_fscore:.4f}')
val_mse = mean_squared_error(val_labels, val_preds)
print (f'val results (mse): {val_mse:.4f}')
final_metric = overall_metric(emo_fscore, val_mse)
print (f'overall metric: {final_metric:.4f}')
return emo_fscore, val_mse, final_metric
## only fscore for test3
def report_results_on_test3(test_label, test_pred):
# read target file (few for test3)
name2label = {}
df_label = pd.read_csv(test_label)
for _, row in df_label.iterrows():
name = row['name']
emo = row['discrete']
name2label[name] = {'emo': emo2idx[emo]}
print (f'labeled samples: {len(name2label)}')
# read prediction file (more for test3)
name2pred = {}
df_label = pd.read_csv(test_pred)
for _, row in df_label.iterrows():
name = row['name']
emo = row['discrete']
name2pred[name] = {'emo': emo2idx[emo]}
print (f'predict samples: {len(name2pred)}')
assert len(name2pred) >= len(name2label)
emo_labels, emo_preds = [], []
for name in name2label: # on few for test3
emo_labels.append(name2label[name]['emo'])
emo_preds.append(name2pred[name]['emo'])
# analyze results
emo_fscore = f1_score(emo_labels, emo_preds, average='weighted')
print (f'emo results (weighted f1 score): {emo_fscore:.4f}')
return emo_fscore, -100, -100
def record_exp_result(cv_fscore, cv_valmse, cv_metric, pretrain_model, freez_mode):
save_path = config.PATH_TO_RESULT['RESULT_CSV']
result_text = "fscore: {:.4f}, valmse: {:.4f}, metric: {:.4f}, pretrain_model: {}, freez_mode: {}".format(cv_fscore, cv_valmse, cv_metric, pretrain_model, freez_mode)
# t = ",".join([str(item) for item in t])
f = open(save_path, "a")
f.write(result_text + '\n')
f.close()
if __name__ == '__main__':
parser = argparse.ArgumentParser()
## Params for input
parser.add_argument('--dataset', type=str, default=None, help='dataset')
parser.add_argument('--train_dataset', type=str, default=None, help='dataset') # for cross-dataset evaluation
parser.add_argument('--test_dataset', type=str, default=None, help='dataset') # for cross-dataset evaluation
parser.add_argument('--audio_feature', type=str, default=None, help='audio feature name')
parser.add_argument('--text_feature', type=str, default=None, help='text feature name')
parser.add_argument('--video_feature', type=str, default=None, help='video feature name')
parser.add_argument('--debug', action='store_true', default=False, help='whether use debug to limit samples')
parser.add_argument('--test_sets', type=str, default='test1,test2', help='process on which test sets, [test1, test2, test3]')
parser.add_argument('--save_root', type=str, default='./saved', help='save prediction results and models')
parser.add_argument('--savewhole', action='store_true', default=False, help='whether save latent embeddings')
## Params for model
parser.add_argument('--layers', type=str, default='256,128', help='hidden size in model training')
parser.add_argument('--n_classes', type=int, default=-1, help='number of classes [defined by args.label_path]')
parser.add_argument('--num_folder', type=int, default=-1, help='folders for cross-validation [defined by args.dataset]')
parser.add_argument('--model_type', type=str, default='mlp', help='model type for training [mlp or attention]')
## Params for training
parser.add_argument('--lr', type=float, default=0.0001, metavar='LR', help='learning rate')
parser.add_argument('--l2', type=float, default=0.00001, metavar='L2', help='L2 regularization weight')
parser.add_argument('--dropout', type=float, default=0.5, metavar='dropout', help='dropout rate')
parser.add_argument('--batch_size', type=int, default=32, metavar='BS', help='batch size')
parser.add_argument('--num_workers', type=int, default=0, metavar='nw', help='number of workers')
parser.add_argument('--epochs', type=int, default=100, metavar='E', help='number of epochs')
parser.add_argument('--seed', type=int, default=100, help='make split manner is same with same seed')
parser.add_argument('--gpu', default=0, type=int, help='GPU id to use')
parser.add_argument('--adapter', default=1, type=int, help='adapter adjustment model')
args = parser.parse_args()
args.n_classes = 6
args.num_folder = 5
args.test_sets = args.test_sets.split(',')
if args.dataset is not None:
args.train_dataset = args.dataset
args.test_dataset = args.dataset
assert args.train_dataset is not None
assert args.test_dataset is not None
whole_features = [args.audio_feature, args.text_feature, args.video_feature]
if len(set(whole_features)) == 1:
args.save_root = f'{args.save_root}-unimodal'
elif len(set(whole_features)) == 2:
args.save_root = f'{args.save_root}-bimodal'
elif len(set(whole_features)) == 3:
args.save_root = f'{args.save_root}-trimodal'
checkpoint = 'hfl/chinese-macbert-large'
freeze = "4"
# torch.cuda.set_device(args.gpu)
os.environ['CUDA_VISIBLE_DEVICES'] = '0, 1'
print(args)
print (f'====== Reading Data =======')
train_loaders, eval_loaders, test_loaders= get_loaders(args, config)
assert len(train_loaders) == args.num_folder, f'Error: folder number'
assert len(eval_loaders) == args.num_folder, f'Error: folder number'
print (f'====== Training and Evaluation =======')
folder_save = []
folder_evalres = []
for ii in range(args.num_folder):
print (f'>>>>> Cross-validation: training on the {ii+1} folder >>>>>')
train_loader = train_loaders[ii]
eval_loader = eval_loaders[ii]
start_time = time.time()
name_time = time.time()
print (f'Step1: build model (each folder has its own model)')
if args.adapter == 1:
model = nn.DataParallel(AdapterClassification(checkpoint=checkpoint, freeze=freeze), device_ids = [0, 1])
else:
model = nn.DataParallel(TextClassification(checkpoint=checkpoint, freeze=freeze), device_ids = [0, 1])
# for name, param in model.named_parameters():
# if param.requires_grad:
# print(name)
#for name, module in model._modules.items():
#print (name," : ",module)
reg_loss = MSELoss()
cls_loss = CELoss()
model.cuda()
reg_loss.cuda()
cls_loss.cuda()
optimizer = optim.Adam(model.parameters(), lr=args.lr, weight_decay=args.l2)
gamma = 0.9; stepsize = 3; warm_up_epochs=5
warm_up_with_step_lr = lambda epoch: (epoch+1) / warm_up_epochs if epoch < warm_up_epochs \
else gamma**( (epoch+1 - warm_up_epochs)//stepsize )
scheduler = torch.optim.lr_scheduler.LambdaLR(optimizer, lr_lambda=warm_up_with_step_lr)
# scheduler = torch.optim.lr_scheduler.StepLR(optimizer, step_size=3, gamma=0.8)
print (f'Step2: training (multiple epoches)')
eval_metrics = []
eval_fscores = []
eval_valmses = []
test_save = []
best_eval_metric = -100.0
for epoch in range(args.epochs):
store_values = {}
## training and validation
train_results = train_or_eval_model(args, model, reg_loss, cls_loss, train_loader, optimizer=optimizer, train=True)
eval_results = train_or_eval_model(args, model, reg_loss, cls_loss, eval_loader, optimizer=None, train=False)
print(optimizer.state_dict()['param_groups'][0]['lr'])
scheduler.step()
eval_metric = overall_metric(eval_results['emo_fscore'], eval_results['val_mse']) # bigger -> better
eval_metrics.append(eval_metric)
eval_fscores.append(eval_results['emo_fscore'])
eval_valmses.append(eval_results['val_mse'])
store_values['eval_emoprobs'] = eval_results['emo_probs']
store_values['eval_valpreds'] = eval_results['val_preds']
store_values['eval_names'] = eval_results['names']
print ('epoch:%d; eval_acc:%.4f; eval_fscore:%.4f; eval_val_mse:%.4f; eval_metric:%.4f' %(epoch+1, eval_results['emo_accuracy'], eval_results['emo_fscore'], eval_results['val_mse'], eval_metric))
## testing and saving: test in all trained dataset
# for jj, test_loader in enumerate(test_loaders):
# test_set = args.test_sets[jj]
# test_results = train_or_eval_model(args, model, reg_loss, cls_loss, test_loader, optimizer=None, train=False)
# store_values[f'{test_set}_emoprobs'] = test_results['emo_probs']
# store_values[f'{test_set}_valpreds'] = test_results['val_preds']
# store_values[f'{test_set}_names'] = test_results['names']
# if args.savewhole: store_values[f'{test_set}_embeddings'] = test_results['embeddings']
# test_save.append(store_values)
if eval_metric > -0.25 and eval_metric > best_eval_metric:
best_eval_metric = eval_metric
torch.save(model.module.encoder.state_dict(), "./saved-unimodal/best_model_{}.pth".format(ii+1))
write_log("folder: {}, epoch: {}, eval_metric: {}".format(ii+1, epoch, eval_metric), path="./result/fine_model_save.txt")
print (f'Step3: saving and testing on the {ii+1} folder')
best_index = np.argmax(np.array(eval_metrics))
# best_save = test_save[best_index]
best_evalfscore = eval_fscores[best_index]
best_evalvalmse = eval_valmses[best_index]
# folder_save.append(best_save)
folder_evalres.append([best_evalfscore, best_evalvalmse])
end_time = time.time()
print (f'>>>>> Finish: training on the {ii+1} folder, duration: {end_time - start_time} >>>>>')
print (f'====== Gain predition on test data =======')
# assert len(folder_save) == args.num_folder
assert len(folder_evalres) == args.num_folder
save_modelroot = os.path.join(args.save_root, 'model')
save_predroot = os.path.join(args.save_root, 'prediction')
if not os.path.exists(save_predroot): os.makedirs(save_predroot)
if not os.path.exists(save_modelroot): os.makedirs(save_modelroot)
feature_name = f'{args.audio_feature}+{args.text_feature}+{args.video_feature}'
## analyze cv results
cv_fscore, cv_valmse = np.mean(np.array(folder_evalres), axis=0)
cv_metric = overall_metric(cv_fscore, cv_valmse)
res_name = f'f1:{cv_fscore:.4f}_valmse:{cv_valmse:.4f}_metric:{cv_metric:.4f}'
save_path = f'{save_modelroot}/cv_features:{feature_name}_{res_name}_{name_time}.npz'
print (res_name)
# np.savez_compressed(save_path, args=np.array(args, dtype=object)) # 参数保存选择
record_exp_result(cv_fscore, cv_valmse, cv_metric, checkpoint, freeze)