def evaluate_and_log_bleu(estimator, bleu_source, bleu_ref, vocab_file):
"""Calculate and record the BLEU score."""
subtokenizer = tokenizer.Subtokenizer(vocab_file)
tf.logging.info(subtokenizer.subtoken_list)
uncased_score, cased_score = translate_and_compute_bleu(
estimator, subtokenizer, bleu_source, bleu_ref)
tf.logging.info("Bleu score (uncased): %f", uncased_score)
tf.logging.info("Bleu score (cased): %f", cased_score)
return uncased_score, cased_score
def main(unused_argv):
from official.transformer import transformer_main_triblock_cls as transformer_main
tf.logging.set_verbosity(tf.logging.INFO)
if FLAGS.text is None and FLAGS.file is None:
tf.logging.warn("Nothing to translate. Make sure to call this script using "
"flags --text or --file.")
return
underscored_ids = FLAGS.underscored_ids.split(",")
underscored_ids = [int(idx) for idx in underscored_ids]
subtokenizer = tokenizer.Subtokenizer(FLAGS.vocab_file)
#tf.logging.info(len(subtokenizer.subtoken_list[:]))
#tf.logging.info(subtokenizer.subtoken_list[:])
# Set up estimator and params
params = transformer_main.PARAMS_MAP[FLAGS.param_set]
params["underscored_ids"]=underscored_ids
params["vocab_file"]=FLAGS.vocab_file
params["beam_size"] = _BEAM_SIZE
params["alpha"] = _ALPHA
params["extra_decode_length"] = _EXTRA_DECODE_LENGTH
params["batch_size"] = _DECODE_BATCH_SIZE
estimator = tf.estimator.Estimator(
model_fn=transformer_main.model_fn, model_dir=FLAGS.model_dir,
params=params)
if FLAGS.text is not None:
tf.logging.info("Translating text: %s" % FLAGS.text)
translate_text(estimator, subtokenizer, FLAGS.text)
if FLAGS.file is not None:
input_file = os.path.abspath(FLAGS.file)
tf.logging.info("Translating file: %s" % input_file)
if not tf.gfile.Exists(FLAGS.file):
raise ValueError("File does not exist: %s" % input_file)
output_file = None
if FLAGS.file_out is not None:
output_file = os.path.abspath(FLAGS.file_out)
tf.logging.info("File output specified: %s" % output_file)
translate_file(estimator, subtokenizer, input_file, output_file)
def main(unused_argv):
subtokenizer = tokenizer.Subtokenizer(FLAGS.vocab_file)
test_set = glob.glob(FLAGS.data_dir + "/" + "*.test.*.json")
total_set = {"test": test_set}
print(total_set)
for mode, _set in total_set.items():
writer = open(FLAGS.data_dir + "/" + "test_article_cls.txt", "w")
writer2 = open(FLAGS.data_dir + "/" + "test_article_cls_answer.txt",
"w")
mode_count = 0
for file_name in _set:
with open(file_name) as f:
lines = f.readlines()
for line in lines:
instances = json.loads(line)
for inst_index, instance in enumerate(instances):
for i, src in enumerate(instance['src']):
writer.write("CLS " + " ".join(src) + " ")
writer.write("\n")
for i, tgt in enumerate(instance['tgt']):
writer2.write(" " + " ".join(tgt) + " . ")
writer2.write("\n")
mode_count += 1
print(mode + " : " + str(mode_count))
writer.close()
writer2.close()
def main(unused_argv):
subtokenizer = tokenizer.Subtokenizer(FLAGS.vocab_file)
print(subtokenizer.subtoken_list)
train_set = glob.glob(FLAGS.data_dir+"/"+"*.train.*.json")
valid_set = glob.glob(FLAGS.data_dir+"/"+"*.valid.*.json")
test_set = glob.glob(FLAGS.data_dir+"/"+"*.test.*.json")
total_set = {"train":train_set,"valid":valid_set,"test":test_set}
#print(total_set)
print_switch=True
for mode,_set in total_set.items():
writer = tf.python_io.TFRecordWriter(FLAGS.data_dir+"/"+mode+".tfrecord")
mode_count = 0
for file_name in _set:
with open(file_name) as f:
lines=f.readlines()
for line in lines:
instances= json.loads(line)
for inst_index,instance in enumerate(instances):
src_list=[]
src_sep_list=[]
src_cls_mask=[]
for i,src in enumerate(instance['src']):
src_line=" ".join(src)
src_line= src_line.replace("-RRB-",")")
src_line= src_line.replace("-LRB-","(")
src_line= src_line.replace("-RSB-","]")
src_line= src_line.replace("-LSB-","[")
src_line= src_line.replace("-RCB-","}")
src_line= src_line.replace("-LCB-","{")
src_ids = _encode_and_add_eos(src_line,subtokenizer)
src_list.extend(src_ids)
src_sep_list.extend([i]*len(src_ids))
src_cls_mask.extend([1]+[0]*(len(src_ids)-1))
src_list+= [tokenizer.EOS_ID]
src_sep_list+=[i+1]
src_cls_mask+=[0]
tgt_list = []
tgt_sep_list = []
tgt_cls_mask = []
for i,tgt in enumerate(instance['tgt']):
tgt+=["."] #It doesn't have punctuation
tgt_line=" ".join(tgt)
tgt_line= tgt_line.replace("-RRB-",")")
tgt_line= tgt_line.replace("-LRB-","(")
tgt_line= tgt_line.replace("-RSB-","]")
tgt_line= tgt_line.replace("-LSB-","[")
tgt_line= tgt_line.replace("-RCB-","}")
tgt_line= tgt_line.replace("-LCB-","{")
tgt_ids = _encode_and_add_eos(tgt_line,subtokenizer)
tgt_list.extend(tgt_ids)
tgt_sep_list.extend([i]*len(tgt_ids))
tgt_cls_mask.extend([1]+[0]*(len(tgt_ids)-1))
tgt_list+= [tokenizer.EOS_ID]
tgt_sep_list+=[i+1]
tgt_cls_mask += [0]
features = collections.OrderedDict()
features["inputs"] = create_int_feature(src_list)
features["targets"] = create_int_feature(tgt_list)
features["input_seps"] = create_int_feature(src_sep_list)
features["target_seps"] = create_int_feature(tgt_sep_list)
features["input_cls_mask"] = create_int_feature(src_cls_mask)
features["target_cls_mask"] = create_int_feature(tgt_cls_mask)
tf_example = tf.train.Example(features=tf.train.Features(feature=features))
writer.write(tf_example.SerializeToString())
#print
if inst_index < 10 and print_switch:
tf.logging.info("*** Example ***")
tf.logging.info("*** INPUT ***")
tf.logging.info(_trim_and_decode(src_list,subtokenizer))
tf.logging.info("*** TARGET ***")
tf.logging.info(_trim_and_decode(tgt_list,subtokenizer))
for feature_name in features.keys():
feature = features[feature_name]
values = []
if feature.int64_list.value:
values = feature.int64_list.value
elif feature.float_list.value:
values = feature.float_list.value
tf.logging.info("%s: %s" % (feature_name, " ".join([str(x) for x in values])))
mode_count+=1
print_switch=False
print(mode+" : "+str(mode_count))
writer.close()
def predict(self, encoder_outputs, encoder_decoder_attention_bias):
"""Return predicted sequence."""
batch_size = tf.shape(encoder_outputs)[0]
input_length = tf.shape(encoder_outputs)[1]
max_decode_length = self.params["max_output_length"]
symbols_to_logits_fn = self._get_symbols_to_logits_fn(
max_decode_length)
# Create initial set of IDs that will be passed into symbols_to_logits_fn.
initial_ids = tf.zeros([batch_size], dtype=tf.int32)
# Create cache storing decoder attention values for each layer.
cache = {
"layer_%d" % layer: {
"k": tf.zeros([batch_size, 0, self.params["hidden_size"]]),
"v": tf.zeros([batch_size, 0, self.params["hidden_size"]]),
}
for layer in range(self.params["num_hidden_layers"])
}
# Add encoder output and attention bias to the cache.
cache["encoder_outputs"] = encoder_outputs
cache[
"encoder_decoder_attention_bias"] = encoder_decoder_attention_bias
####domyoung 2019.12.9#####
nontrigrams = nontrigram_generator(max_decode_length,
self.params["underscored_ids"])
nontrigrams = tf.constant(nontrigrams, dtype=tf.int32)
tile_dims = [1] * nontrigrams.shape.ndims
tile_dims[-1] = batch_size * self.params["beam_size"]
nontrigrams = tf.tile(nontrigrams, tile_dims)
nontrigrams = tf.reshape(nontrigrams, [-1, max_decode_length])
subtokenizer = tokenizer.Subtokenizer(self.params["vocab_file"])
key = tf.range(self.params["vocab_size"], dtype=tf.int32)
print(key)
#replace the first token '<pad>_' into '<pad>'
subtoken_list = subtokenizer.subtoken_list[:]
subtoken_list[2] = 'CLS'
#subtoken_list[3] = 'END'
#subtoken_list[8439]=' .'
tf.logging.info(len(subtoken_list))
tf.logging.info(subtoken_list)
value = tf.constant(subtoken_list, dtype=tf.string)
default_value = tf.constant("", dtype=tf.string)
hashTable = tf.contrib.lookup.HashTable(
tf.contrib.lookup.KeyValueTensorInitializer(key, value),
default_value)
# Use beam search to find the top beam_size sequences and scores.
decoded_ids, scores = beam_search.sequence_beam_search(
symbols_to_logits_fn=symbols_to_logits_fn,
initial_ids=initial_ids,
initial_cache=cache,
vocab_size=self.params["vocab_size"],
hashTable=hashTable,
nontrigrams=nontrigrams,
beam_size=self.params["beam_size"],
batch_size=self.params["batch_size"],
alpha=self.params["alpha"],
max_decode_length=max_decode_length,
use_trigram=True,
eos_id=EOS_ID)
#########################
# Get the top sequence for each batch element
top_decoded_ids = decoded_ids[:, 0, 1:]
top_scores = scores[:, 0]
return {"outputs": top_decoded_ids, "scores": top_scores}
