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run_beer.py
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run_beer.py
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import os
import time
import sys
sys.path.append("./core")
import argparse
import numpy as np
from misc import str2bool
import tensorflow as tf
tf.enable_eager_execution()
from beer import get_beer_dataset, get_beer_annotation
from language import get_pretained_glove
from model import TargetRNN
from train_utils import train
from eval_utils import flush, validate
# set random seed
tf.set_random_seed(12252018)
np.random.seed(12252018)
parser = argparse.ArgumentParser(
description="classwise rationalization for beer review.")
# dataset parameters
parser.add_argument('--data_dir',
type=str,
required=True,
help='Path of the dataset')
parser.add_argument(
'--balance',
type=str2bool,
default=False,
help='Balance the data for each class or not [default: False]')
parser.add_argument('--aspect',
type=int,
required=True,
help='The aspect number of beer review [0, 1, 2]')
parser.add_argument('--annotation_path',
type=str,
default=None,
help='Path to the annotation')
parser.add_argument('--max_seq_length',
type=int,
default=256,
help='Max sequence length [default: 256]')
parser.add_argument('--word_threshold',
type=int,
default=2,
help='Min frequency to keep a word [default: 2]')
parser.add_argument('--batch_size',
type=int,
default=100,
help='Batch size [default: 100]')
parser.add_argument('--shuffle_buffer_size',
type=int,
default=100000,
help='Buffer size for data shuffling [default: 100000]')
# pretrained embeddings
parser.add_argument('--embedding_dir',
type=str,
default=None,
help='Dir. of pretrained embeddings [default: None]')
parser.add_argument('--embedding_name',
type=str,
default=None,
help='File name of pretrained embeddings [default: None]')
# model parameters
parser.add_argument('--cell_type',
type=str,
default="GRU",
help='Cell type: LSTM, GRU [default: GRU]')
parser.add_argument('--embedding_dim',
type=int,
default=100,
help='Embedding dims [default: 100]')
parser.add_argument('--hidden_dim',
type=int,
default=100,
help='RNN hidden dims [default: 100]')
parser.add_argument('--num_classes',
type=int,
default=2,
help='Number of predicted classes [default: 2]')
# ckpt parameters
parser.add_argument('--output_dir',
type=str,
required=True,
help='Base dir of output files')
# learning parameters
parser.add_argument('--num_epchos',
type=int,
required=True,
help='Number of training epoch')
parser.add_argument('--gen_pos_lr',
type=float,
default=1e-3,
help='Positive generator learning rate [default: 1e-3]')
parser.add_argument('--gen_neg_lr',
type=float,
default=1e-3,
help='Negative generator learning rate [default: 1e-3]')
parser.add_argument('--discriminator_lr',
type=float,
default=1e-3,
help='Discriminator learning rate [default: 1e-3]')
parser.add_argument('--sparsity_lambda',
type=float,
default=1.,
help='Sparsity trade-off [default: 1.]')
parser.add_argument('--continuity_lambda',
type=float,
default=4.,
help='Continuity trade-off [default: 4.]')
parser.add_argument(
'--sparsity_percentage',
type=float,
default=0.2,
help='Regularizer to control highlight percentage [default: .2]')
# visual parameters
parser.add_argument(
'--visual_interval',
type=int,
default=50,
help='How frequent to generate a sample of rationale [default: 50]')
# gpu support
parser.add_argument('--gpu',
type=str,
default=None,
help='id(s) for CUDA_VISIBLE_DEVICES [default: None]')
args = parser.parse_args()
print("\nParameters:")
for attr, value in sorted(args.__dict__.items()):
print("\t{}={}".format(attr.upper(), value))
######################
# set visiable gpu
######################
if args.gpu != None:
os.environ['CUDA_VISIBLE_DEVICES'] = args.gpu
######################
# check output dir
######################
if not tf.gfile.Exists(args.output_dir):
tf.gfile.MakeDirs(args.output_dir)
######################
# load dataset
######################
train_dataset, dev_dataset, language_index = get_beer_dataset(
args.data_dir,
args.max_seq_length,
args.word_threshold,
balance=args.balance)
annotation_dataset = get_beer_annotation(args.annotation_path, args.aspect,
args.max_seq_length,
language_index.word2idx)
# shuffle and batch the dataset
train_dataset = train_dataset.shuffle(args.shuffle_buffer_size).batch(
args.batch_size, drop_remainder=False)
dev_dataset = dev_dataset.batch(args.batch_size, drop_remainder=False)
annotation_dataset = annotation_dataset.batch(args.batch_size,
drop_remainder=False)
######################
# update arguments
######################
args.vocab_size = len(language_index.word2idx)
args.idx2word = language_index.idx2word
if (args.embedding_dir and args.embedding_name):
# get pretrained embedding
fembedding = os.path.join(args.embedding_dir, args.embedding_name)
args.pretrained_embedding = get_pretained_glove(language_index.word2idx,
fembedding)
else:
args.pretrained_embedding = None
######################
# define the model and manually build the model
######################
target_rnn = TargetRNN(args)
fake_data = tf.zeros([args.batch_size, args.max_seq_length])
fake_label = tf.zeros([args.batch_size, args.num_classes])
# mannually build model with dummy tensorts
_, _ = target_rnn(fake_data, fake_data, fake_label, path=0)
_, _ = target_rnn(fake_data, fake_data, fake_label, path=1)
######################
# Training
######################
gen_pos_optimizer = tf.train.AdamOptimizer(learning_rate=args.gen_pos_lr)
gen_neg_optimizer = tf.train.AdamOptimizer(learning_rate=args.gen_neg_lr)
dis_optimizer = tf.train.AdamOptimizer(learning_rate=args.discriminator_lr)
gen_pos_step_counter = tf.Variable(0,
trainable=False,
name='gen_pos_step',
dtype=tf.int64)
gen_neg_step_counter = tf.Variable(0,
trainable=False,
name='gen_neg_step',
dtype=tf.int64)
dis_step_counter = tf.Variable(0,
trainable=False,
name='dis_step',
dtype=tf.int64)
optimizers = [gen_pos_optimizer, gen_neg_optimizer, dis_optimizer]
step_counters = [gen_pos_step_counter, gen_neg_step_counter, dis_step_counter]
# training
for epcho in range(args.num_epchos):
start = time.time()
train(target_rnn, optimizers, train_dataset, step_counters, args)
end = time.time()
print('\nTrain time for epoch #%d (%d total disc steps): %f second' %
(epcho + 1, dis_step_counter.numpy(), end - start))
# validation
print("Validate with huamn annotations")
annotation_results = validate(target_rnn,
annotation_dataset,
args.idx2word,
visual_interval=args.visual_interval,
file=os.path.join(args.output_dir,
"visual_ann.txt"))
print(
"The annotation performance: sparsity: %.4f, precision: %.4f, recall: %.4f, f1: %.4f"
% (100 * annotation_results[0], 100 * annotation_results[1],
100 * annotation_results[2], 100 * annotation_results[3]))
# output the results
flush(target_rnn, dev_dataset, args.idx2word,
os.path.join(args.output_dir, "visual_dev.txt"))