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data_loader.py
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data_loader.py
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import os
import sys
import json
import argparse
import pickle as pkl
import random
import logging
from tqdm import tqdm
import numpy as np
import warnings
warnings.filterwarnings('ignore', category=FutureWarning)
curdir = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, curdir)
prodir = '..'
sys.path.insert(0, prodir)
from keras.preprocessing.sequence import pad_sequences
from keras.utils import to_categorical
class Data_loader(object):
def __init__(self, mode='test', data_name='makeup', log_path=None):
"""
Constant variable declaration and configuration.
"""
if data_name == 'clothing':
dataset_folder_name = '/data' + '/clothing'
elif data_name == 'makeup':
dataset_folder_name = '/data' + '/makeup'
else:
raise ValueError("Please confirm the correct data name you entered.")
self.vocab_save_path = curdir + dataset_folder_name + '/vocab.pkl'
self.train_path = curdir + dataset_folder_name + '/train.pkl'
self.val_path = curdir + dataset_folder_name + '/eval.pkl'
self.test_path = curdir + dataset_folder_name + '/test.pkl'
self.logger = logging.getLogger("Data Preprocessing")
self.logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
if log_path:
file_handler = logging.FileHandler(log_path)
file_handler.setLevel(logging.INFO)
file_handler.setFormatter(formatter)
self.logger.addHandler(file_handler)
else:
console_handler = logging.StreamHandler()
console_handler.setLevel(logging.INFO)
console_handler.setFormatter(formatter)
self.logger.addHandler(console_handler)
self.role_list = []
self.pos_list = []
self.dialogues_ids_list = []
self.dialogues_len_list = []
self.dialogues_sent_len_list = []
self.label_list = []
self.senti_list = []
self.tf_list = []
self.mode = mode
def load_pkl_data(self, mode='train'):
if mode == 'train':
load_path = self.train_path
elif mode == 'eval':
load_path = self.val_path
elif mode == 'test':
load_path = self.test_path
else:
raise ValueError("{} mode not exists, please check it.".format(mode))
if not os.path.exists(load_path):
raise ValueError("{} not exists, please generate it firstly.".format(load_path))
else:
with open(load_path, 'rb') as fin:
# X
self.dialogues_ids_list = pkl.load(fin)
self.role_list = pkl.load(fin)
self.tf_list = pkl.load(fin)
self.pos_list = pkl.load(fin)
# use sentiment
self.senti_list = pkl.load(fin)
self.dialogues_sent_len_list = pkl.load(fin)
self.dialogues_len_list = pkl.load(fin)
self.label_list = pkl.load(fin)
self.logger.info("Load variable from {} successfully!".format(load_path))
@staticmethod
def load_config(config_path):
with open(config_path, 'r') as fp:
return json.load(fp)
@staticmethod
def cut_sent_len(lens_list, max_len=50):
new_lens_list = []
for tmp_lens in lens_list:
tmp_new_lens = []
for tmp in tmp_lens:
tmp_new_lens.append(tmp if tmp < max_len else 50)
new_lens_list.append(tmp_new_lens)
return new_lens_list
def data_generator_sup(self, data_name='makeup', mode='test', batch_size=32, shuffle=True, nb_classes=2, epoch=0):
print('Using data_generator_sup')
self.load_pkl_data(mode=mode)
x1 = self.dialogues_ids_list
x2 = self.role_list
x3 = self.senti_list
label_list = self.label_list
sent_len = self.cut_sent_len(self.dialogues_sent_len_list)
dia_len = self.dialogues_len_list
if shuffle or mode == 'train':
list_pack = list(zip(x1, x2, x3, label_list, sent_len, dia_len))
random.seed(epoch + 7)
random.shuffle(list_pack)
x1[:], x2[:], x3[:], label_list[:], sent_len[:], dia_len[:] = zip(*list_pack)
for i in tqdm(range(0, len(dia_len), batch_size), desc="Processing:"):
batch_x1 = pad_sequences(x1[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x2 = pad_sequences(x2[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x3 = x3[i: i + batch_size]
batch_sent_len = pad_sequences(sent_len[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32')
batch_dia_len = dia_len[i: i + batch_size]
# [B, D_len, nb_classes]
labels_padded = pad_sequences(label_list[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32', value=0)
batch_labels = to_categorical(labels_padded, nb_classes, dtype='int32')
yield batch_x1, batch_x2, batch_x3, batch_labels, batch_sent_len, batch_dia_len
def data_generator_crf(self, data_name='makeup', mode='test', batch_size=32, shuffle=True, nb_classes=2, epoch=0):
print('Using data_generator_crf')
self.load_pkl_data(mode=mode)
x1 = self.dialogues_ids_list
x2 = self.role_list
x3 = self.senti_list
label_list = self.label_list
sent_len = self.cut_sent_len(self.dialogues_sent_len_list)
dia_len = self.dialogues_len_list
if shuffle or mode == 'train':
list_pack = list(zip(x1, x2, x3, label_list, sent_len, dia_len))
random.seed(epoch + 7)
random.shuffle(list_pack)
x1[:], x2[:], x3[:], label_list[:], sent_len[:], dia_len[:] = zip(*list_pack)
for i in tqdm(range(0, len(dia_len), batch_size), desc="Processing:"):
batch_x1 = pad_sequences(x1[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x2 = pad_sequences(x2[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x3 = x3[i: i + batch_size]
batch_sent_len = pad_sequences(sent_len[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32')
batch_dia_len = dia_len[i: i + batch_size]
labels_padded = pad_sequences(label_list[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32', value=0)
yield batch_x1, batch_x2, batch_x3, labels_padded, batch_sent_len, batch_dia_len
def data_generator_m(self, data_name='makeup', mode='test', batch_size=32, shuffle=True, nb_classes=2, epoch=0):
print('Using data_generator_crf')
self.load_pkl_data(mode=mode)
x1 = self.dialogues_ids_list
x2 = self.role_list
x3 = self.senti_list
tf_list = self.tf_list
pos_list = self.pos_list
label_list = self.label_list
sent_len = self.cut_sent_len(self.dialogues_sent_len_list)
dia_len = self.dialogues_len_list
if shuffle or mode == 'train':
list_pack = list(zip(x1, x2, x3, tf_list, pos_list, label_list, sent_len, dia_len))
random.seed(epoch + 7)
random.shuffle(list_pack)
x1[:], x2[:], x3[:], tf_list[:], pos_list[:], label_list[:], sent_len[:], dia_len[:] = zip(*list_pack)
for i in tqdm(range(0, len(dia_len), batch_size), desc="Processing:"):
batch_x1 = pad_sequences(x1[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x2 = pad_sequences(x2[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32')
batch_x3 = x3[i: i + batch_size]
batch_tf = tf_list[i: i + batch_size]
batch_paded_pos = pad_sequences(pos_list[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='float32', value=0)
batch_pos = to_categorical(batch_paded_pos, num_classes=52, dtype='int32')
batch_sent_len = pad_sequences(sent_len[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32')
batch_dia_len = dia_len[i: i + batch_size]
labels_padded = pad_sequences(label_list[i: i + batch_size], maxlen=30, padding='post', truncating='post',
dtype='int32', value=0)
batch_labels = to_categorical(labels_padded, nb_classes, dtype='int32')
yield batch_x1, batch_x2, batch_x3, batch_labels, batch_sent_len, batch_dia_len, batch_tf, batch_pos
if __name__ == "__main__":
pass