def file_based_convert_examples_to_features(examples, tokenize_fn, output_file):
if tf.gfile.Exists(output_file) and not FLAGS.overwrite_data:
return
logger.info("Start writing tfrecord %s.", output_file)
writer = tf.python_io.TFRecordWriter(output_file)
for ex_index, example in enumerate(examples):
if ex_index % 10000 == 0:
logger.info("Writing example %d of %d" % (ex_index, len(examples)))
feature = convert_single_example(example, tokenize_fn)
def create_int_feature(values):
f = tf.train.Feature(
int64_list=tf.train.Int64List(value=list(values)))
return f
def create_float_feature(values):
f = tf.train.Feature(
float_list=tf.train.FloatList(value=list(values)))
return f
features = collections.OrderedDict()
features["input_ids"] = create_int_feature(feature.input_ids)
features["input_mask"] = create_float_feature(feature.input_mask)
features["segment_ids"] = create_int_feature(feature.segment_ids)
features["label_ids"] = create_int_feature([feature.label_id])
features["is_real_example"] = create_int_feature(
[int(feature.is_real_example)])
tf_example = tf.train.Example(
features=tf.train.Features(feature=features))
writer.write(tf_example.SerializeToString())
writer.close()
def do_inference(model_path, vocab_file, data):
tokenizer = tokenization.FullTokenizer(
vocab_file=vocab_file, do_lower_case=True)
interpreter = tf.lite.Interpreter(model_path=model_path)
predictions = []
probabilities = []
for input in data:
guid = "predict_1"
text_a = tokenization.convert_to_unicode(input)
example = classifier_utils.InputExample(guid=guid, text_a=text_a, text_b=None, label="1")
feature = classifier_utils.convert_single_example(0, example, ["0", "1"], 128, tokenizer)
interpreter.allocate_tensors()
input_details = interpreter.get_input_details()
output_details = interpreter.get_output_details()
interpreter.set_tensor(input_details[0]['index'], [to_int32(feature.input_ids) if input_details[0]['dtype'] == np.int32 else feature.input_ids])
interpreter.set_tensor(input_details[1]['index'], [to_int32(feature.input_mask) if input_details[1]['dtype'] == np.int32 else feature.input_ids])
interpreter.set_tensor(input_details[3]['index'], [to_int32(feature.segment_ids) if input_details[3]['dtype'] == np.int32 else feature.input_ids])
interpreter.invoke()
if len(output_details) > 1:
output_data = interpreter.get_tensor(output_details[0]['index'])
predictions.append(output_data[0])
output_data = interpreter.get_tensor(output_details[1]['index'])
probabilities.append(output_data[0])
else:
# compatiable with single output models
output_data = interpreter.get_tensor(output_details[0]['index'])
probabilities.append(output_data[0])
return probabilities, predictions if len(probabilities) == len(predictions) else None
def file_based_convert_examples_to_features(examples,
label_list,
max_seq_length,
tokenize_fn,
output_file,
num_passes=1):
"""Convert a set of `InputExample`s to a TFRecord file."""
print('!' * 10000)
# do not create duplicated records
if tf.gfile.Exists(output_file) and not FLAGS.overwrite_data:
tf.logging.info(
"Do not overwrite tfrecord {} exists.".format(output_file))
return
tf.logging.info("Create new tfrecord {}.".format(output_file))
writer = tf.python_io.TFRecordWriter(output_file)
if num_passes > 1:
examples *= num_passes
task_name = 'imdb_reg'
#fout = tf.gfile.Open(os.path.join("./predict","orig.tsv"), "w")
for (ex_index, example) in enumerate(examples):
if ex_index % 10000 == 0:
tf.logging.info("Writing example {} of {}".format(
ex_index, len(examples)))
feature = convert_single_example(ex_index, example, label_list,
max_seq_length, tokenize_fn)
def create_int_feature(values):
f = tf.train.Feature(int64_list=tf.train.Int64List(
value=list(values)))
return f
def create_float_feature(values):
f = tf.train.Feature(float_list=tf.train.FloatList(
value=list(values)))
return f
features = collections.OrderedDict()
features["input_ids"] = create_int_feature(feature.input_ids)
features["input_mask"] = create_float_feature(feature.input_mask)
features["segment_ids"] = create_int_feature(feature.segment_ids)
if label_list is not None:
features["label_ids"] = create_int_feature([feature.label_id])
else:
features["label_ids"] = create_float_feature(
[float(feature.label_id)])
features["is_real_example"] = create_int_feature(
[int(feature.is_real_example)])
tf_example = tf.train.Example(features=tf.train.Features(
feature=features))
#print("*" * 100)
#fout.write("{}\t{}\n".format(example.text_a, example.label))
#w print("{}\t{}\n".format(example.text_a, example.label))
writer.write(tf_example.SerializeToString())
writer.close()
def file_based_convert_examples_to_features(examples,
label_list,
max_seq_length,
tokenize_fn,
output_file,
num_passes=1,
shuffle=True):
"""Convert a set of `InputExample`s to a TFRecord file."""
# do not create duplicated records
if tf.gfile.Exists(output_file) and not FLAGS.overwrite_data:
tf.logging.info(
"Do not overwrite tfrecord {} exists.".format(output_file))
return
tf.logging.info("Create new tfrecord {}.".format(output_file))
writer = tf.python_io.TFRecordWriter(output_file)
if shuffle:
np.random.shuffle(examples)
if num_passes > 1:
examples *= num_passes
for (ex_index, example) in enumerate(examples):
if ex_index % 10000 == 0:
tf.logging.info("Writing example {} of {}".format(
ex_index, len(examples)))
feature = convert_single_example(ex_index, example, label_list,
max_seq_length, tokenize_fn)
def create_int_feature(values):
f = tf.train.Feature(int64_list=tf.train.Int64List(
value=list(values)))
return f
def create_float_feature(values):
f = tf.train.Feature(float_list=tf.train.FloatList(
value=list(values)))
return f
features = collections.OrderedDict()
features["input_ids"] = create_int_feature(feature.input_ids)
features["input_mask"] = create_float_feature(feature.input_mask)
features["segment_ids"] = create_int_feature(feature.segment_ids)
if label_list is not None:
features["label_ids"] = create_int_feature([feature.label_id])
else:
features["label_ids"] = create_float_feature(feature.label_id)
features["is_real_example"] = create_int_feature(
[int(feature.is_real_example)])
features["weight"] = create_float_feature([feature.weight])
tf_example = tf.train.Example(features=tf.train.Features(
feature=features))
writer.write(tf_example.SerializeToString())
writer.close()
def get_embed(self, txt):
txt_ids = self.tokenize_fn(txt)
example = InputExample(guid="unused_id", text_a=txt)
feature = convert_single_example(0, example, None,
FLAGS.max_seq_length,
self.tokenize_fn)
_predict_input_fn = predict_input_fn(feature)
#for pred_cnt, result in enumerate(self.estimator.predict(input_fn=_predict_input_fn, yield_single_examples=False, checkpoint_path=FLAGS.predict_ckpt)):
a = self.estimator.predict(input_fn=_predict_input_fn,
yield_single_examples=False)
for pred_cnt, result in enumerate(
self.estimator.predict(input_fn=_predict_input_fn,
yield_single_examples=False)):
logits = [float(x) for x in result["logits"].flat]
summary = result["summary"]
pass
pass
def instance_reader():
label_list = self.get_labels() if not is_regression else None
for epoch_index in range(epoch):
if shuffle:
np.random.shuffle(examples)
if phase == 'train':
self.current_train_epoch = epoch_index
for (index, example) in enumerate(examples):
if phase == 'train':
self.current_train_example = index + 1
feature = convert_single_example(index, example,
label_list,
self.max_seq_length,
self.tokenize_fn)
instance = [
feature.input_ids, feature.input_mask,
feature.segment_ids, feature.label_id,
feature.is_real_example
]
yield instance
def run_step(self, txt):
example = InputExample(guid="unused_id", text_a=txt)
feature = convert_single_example(10, example, None,
FLAGS.max_seq_length,
self.tokenize_fn)
logging.info("text: %s" % (example.text_a))
logging.info("input_ids: %s" %
" ".join([str(x) for x in feature.input_ids]))
logging.info("input_mask: %s" %
" ".join([str(x) for x in feature.input_mask]))
logging.info("segment_ids: %s" %
" ".join([str(x) for x in feature.segment_ids]))
feed_dict = {
self.input_ids: [feature.input_ids],
self.segment_ids: [feature.segment_ids],
self.input_mask: [feature.input_mask]
}
fetch = self.sess.run([self.summary, self.input_ids], feed_dict)
summary = fetch[0].tolist()
for i in range(len(summary)):
for j in range(len(summary[0])):
summary[i][j] = round(summary[i][j], 3)
return summary
def main(_):
tf.logging.set_verbosity(tf.logging.INFO)
processors = {
"sentence_pair": classifier_utils.SentencePairClassificationProcessor,
"lcqmc_pair": classifier_utils.LCQMCPairClassificationProcessor,
"lcqmc": classifier_utils.LCQMCPairClassificationProcessor,
"spam": classifier_utils.SpamClassificationProcessor
}
tokenization.validate_case_matches_checkpoint(FLAGS.do_lower_case,
FLAGS.init_checkpoint)
if not (FLAGS.do_train or FLAGS.do_eval or FLAGS.do_predict
or FLAGS.do_predict_raw or FLAGS.export_dir):
raise ValueError(
"At least one of `do_train`, `do_eval`, `do_predict`, `do_predict_raw` or `export_dir` "
"must be True.")
task_name = FLAGS.task_name.lower()
if task_name not in processors:
raise ValueError("Task not found: %s" % (task_name))
processor = processors[task_name]()
label_list = processor.get_labels()
tokenizer = tokenization.FullTokenizer(vocab_file=FLAGS.vocab_file,
do_lower_case=FLAGS.do_lower_case)
if FLAGS.do_predict_raw:
print("***** Running single prediction*****")
texts = FLAGS.text
# workaround: Getting duplicate text data when using FLAGS before runing the tf app
texts = texts[0:int(len(texts) / 2)]
print("text data: ", texts)
# estimator.export_saved_model(FLAGS.output_dir, create_serving_input_receiver_fn(FLAGS.max_seq_length))
from tensorflow.contrib import predictor
import time
start = time.process_time()
predict_fn = predictor.from_saved_model(FLAGS.saved_model_dir)
print("it took", time.process_time() - start, "to load model")
start = time.process_time()
input_ids_data, input_mask_data, segment_ids_data = [], [], []
for i, t in enumerate(texts):
guid = "predict_{}".format(i + 1)
label = tokenization.convert_to_unicode("1")
text_a = tokenization.convert_to_unicode(t)
text_b = None
example = classifier_utils.InputExample(guid=guid,
text_a=text_a,
text_b=text_b,
label=label)
feature = classifier_utils.convert_single_example(
0, example, label_list, FLAGS.max_seq_length, tokenizer)
input_ids_data.append(feature.input_ids)
input_mask_data.append(feature.input_mask)
segment_ids_data.append(feature.segment_ids)
features = collections.OrderedDict()
features["input_ids"] = input_ids_data
features["input_mask"] = input_mask_data
features["segment_ids"] = segment_ids_data
results = predict_fn(features)
print(results)
print("it took", time.process_time() - start, "to do prediction")
return
bert_config = modeling.BertConfig.from_json_file(FLAGS.bert_config_file)
if FLAGS.max_seq_length > bert_config.max_position_embeddings:
raise ValueError(
"Cannot use sequence length %d because the BERT model "
"was only trained up to sequence length %d" %
(FLAGS.max_seq_length, bert_config.max_position_embeddings))
tf.gfile.MakeDirs(FLAGS.output_dir)
tpu_cluster_resolver = None
if FLAGS.use_tpu and FLAGS.tpu_name:
tpu_cluster_resolver = tf.contrib.cluster_resolver.TPUClusterResolver(
FLAGS.tpu_name, zone=FLAGS.tpu_zone, project=FLAGS.gcp_project)
is_per_host = tf.contrib.tpu.InputPipelineConfig.PER_HOST_V2
# Cloud TPU: Invalid TPU configuration, ensure ClusterResolver is passed to tpu.
print("###tpu_cluster_resolver:", tpu_cluster_resolver)
run_config = tf.contrib.tpu.RunConfig(
cluster=tpu_cluster_resolver,
master=FLAGS.master,
model_dir=FLAGS.output_dir,
save_checkpoints_steps=FLAGS.save_checkpoints_steps,
tpu_config=tf.contrib.tpu.TPUConfig(
iterations_per_loop=FLAGS.iterations_per_loop,
num_shards=FLAGS.num_tpu_cores,
per_host_input_for_training=is_per_host))
train_examples = None
num_train_steps = None
num_warmup_steps = None
if FLAGS.do_train:
train_examples = processor.get_train_examples(FLAGS.data_dir) # TODO
print("###length of total train_examples:", len(train_examples))
num_train_steps = int(
len(train_examples) / FLAGS.train_batch_size *
FLAGS.num_train_epochs)
num_warmup_steps = int(num_train_steps * FLAGS.warmup_proportion)
model_fn = classifier_utils.model_fn_builder(
bert_config=bert_config,
num_labels=len(label_list),
init_checkpoint=FLAGS.init_checkpoint,
learning_rate=FLAGS.learning_rate,
num_train_steps=num_train_steps,
num_warmup_steps=num_warmup_steps,
use_tpu=FLAGS.use_tpu,
use_one_hot_embeddings=FLAGS.use_tpu)
# If TPU is not available, this will fall back to normal Estimator on CPU
# or GPU.
estimator = tf.contrib.tpu.TPUEstimator(
use_tpu=FLAGS.use_tpu,
model_fn=model_fn,
config=run_config,
train_batch_size=FLAGS.train_batch_size,
eval_batch_size=FLAGS.eval_batch_size,
predict_batch_size=FLAGS.predict_batch_size)
if FLAGS.do_train:
train_file = os.path.join(FLAGS.output_dir, "train.tf_record")
train_file_exists = os.path.exists(train_file)
print("###train_file_exists:", train_file_exists, " ;train_file:",
train_file)
if not train_file_exists: # if tf_record file not exist, convert from raw text file. # TODO
classifier_utils.file_based_convert_examples_to_features(
train_examples, label_list, FLAGS.max_seq_length, tokenizer,
train_file)
tf.logging.info("***** Running training *****")
tf.logging.info(" Num examples = %d", len(train_examples))
tf.logging.info(" Batch size = %d", FLAGS.train_batch_size)
tf.logging.info(" Num steps = %d", num_train_steps)
train_input_fn = classifier_utils.file_based_input_fn_builder(
input_file=train_file,
seq_length=FLAGS.max_seq_length,
is_training=True,
drop_remainder=True)
estimator.train(input_fn=train_input_fn, max_steps=num_train_steps)
if FLAGS.do_eval:
eval_examples = processor.get_dev_examples(FLAGS.data_dir)
num_actual_eval_examples = len(eval_examples)
if FLAGS.use_tpu:
# TPU requires a fixed batch size for all batches, therefore the number
# of examples must be a multiple of the batch size, or else examples
# will get dropped. So we pad with fake examples which are ignored
# later on. These do NOT count towards the metric (all tf.metrics
# support a per-instance weight, and these get a weight of 0.0).
while len(eval_examples) % FLAGS.eval_batch_size != 0:
eval_examples.append(classifier_utils.PaddingInputExample())
eval_file = os.path.join(FLAGS.output_dir, "eval.tf_record")
classifier_utils.file_based_convert_examples_to_features(
eval_examples, label_list, FLAGS.max_seq_length, tokenizer,
eval_file)
tf.logging.info("***** Running evaluation *****")
tf.logging.info(" Num examples = %d (%d actual, %d padding)",
len(eval_examples), num_actual_eval_examples,
len(eval_examples) - num_actual_eval_examples)
tf.logging.info(" Batch size = %d", FLAGS.eval_batch_size)
# This tells the estimator to run through the entire set.
eval_steps = None
# However, if running eval on the TPU, you will need to specify the
# number of steps.
if FLAGS.use_tpu:
assert len(eval_examples) % FLAGS.eval_batch_size == 0
eval_steps = int(len(eval_examples) // FLAGS.eval_batch_size)
eval_drop_remainder = True if FLAGS.use_tpu else False
eval_input_fn = classifier_utils.file_based_input_fn_builder(
input_file=eval_file,
seq_length=FLAGS.max_seq_length,
is_training=False,
drop_remainder=eval_drop_remainder)
best_trial_info_file = os.path.join(FLAGS.output_dir, "best_trial.txt")
def _best_trial_info():
"""Returns information about which checkpoints have been evaled so far."""
if tf.gfile.Exists(best_trial_info_file):
with tf.gfile.GFile(best_trial_info_file, "r") as best_info:
global_step, best_metric_global_step, metric_value = (
best_info.read().split(":"))
global_step = int(global_step)
best_metric_global_step = int(best_metric_global_step)
metric_value = float(metric_value)
else:
metric_value = -1
best_metric_global_step = -1
global_step = -1
tf.logging.info(
"Best trial info: Step: %s, Best Value Step: %s, "
"Best Value: %s", global_step, best_metric_global_step,
metric_value)
return global_step, best_metric_global_step, metric_value
def _remove_checkpoint(checkpoint_path):
for ext in ["meta", "data-00000-of-00001", "index"]:
src_ckpt = checkpoint_path + ".{}".format(ext)
tf.logging.info("removing {}".format(src_ckpt))
tf.gfile.Remove(src_ckpt)
def _find_valid_cands(curr_step):
filenames = tf.gfile.ListDirectory(FLAGS.output_dir)
candidates = []
for filename in filenames:
if filename.endswith(".index"):
ckpt_name = filename[:-6]
idx = ckpt_name.split("-")[-1]
if int(idx) > curr_step:
candidates.append(filename)
return candidates
output_eval_file = os.path.join(FLAGS.output_dir, "eval_results.txt")
if task_name == "sts-b":
key_name = "pearson"
elif task_name == "cola":
key_name = "matthew_corr"
else:
key_name = "eval_accuracy"
global_step, best_perf_global_step, best_perf = _best_trial_info()
writer = tf.gfile.GFile(output_eval_file, "w")
while global_step < num_train_steps:
steps_and_files = {}
filenames = tf.gfile.ListDirectory(FLAGS.output_dir)
for filename in filenames:
if filename.endswith(".index"):
ckpt_name = filename[:-6]
cur_filename = os.path.join(FLAGS.output_dir, ckpt_name)
if cur_filename.split("-")[-1] == "best":
continue
gstep = int(cur_filename.split("-")[-1])
if gstep not in steps_and_files:
tf.logging.info(
"Add {} to eval list.".format(cur_filename))
steps_and_files[gstep] = cur_filename
tf.logging.info("found {} files.".format(len(steps_and_files)))
if not steps_and_files:
tf.logging.info(
"found 0 file, global step: {}. Sleeping.".format(
global_step))
time.sleep(60)
else:
for checkpoint in sorted(steps_and_files.items()):
step, checkpoint_path = checkpoint
if global_step >= step:
if (best_perf_global_step != step
and len(_find_valid_cands(step)) > 1):
_remove_checkpoint(checkpoint_path)
continue
result = estimator.evaluate(
input_fn=eval_input_fn,
steps=eval_steps,
checkpoint_path=checkpoint_path)
global_step = result["global_step"]
tf.logging.info("***** Eval results *****")
for key in sorted(result.keys()):
tf.logging.info(" %s = %s", key, str(result[key]))
writer.write("%s = %s\n" % (key, str(result[key])))
writer.write("best = {}\n".format(best_perf))
if result[key_name] > best_perf:
best_perf = result[key_name]
best_perf_global_step = global_step
elif len(_find_valid_cands(global_step)) > 1:
_remove_checkpoint(checkpoint_path)
writer.write("=" * 50 + "\n")
writer.flush()
with tf.gfile.GFile(best_trial_info_file,
"w") as best_info:
best_info.write("{}:{}:{}".format(
global_step, best_perf_global_step, best_perf))
writer.close()
for ext in ["meta", "data-00000-of-00001", "index"]:
src_ckpt = "model.ckpt-{}.{}".format(best_perf_global_step, ext)
tgt_ckpt = "model.ckpt-best.{}".format(ext)
tf.logging.info("saving {} to {}".format(src_ckpt, tgt_ckpt))
tf.io.gfile.rename(os.path.join(FLAGS.output_dir, src_ckpt),
os.path.join(FLAGS.output_dir, tgt_ckpt),
overwrite=True)
if FLAGS.do_predict:
predict_examples = processor.get_test_examples(FLAGS.data_dir)
num_actual_predict_examples = len(predict_examples)
if FLAGS.use_tpu:
# TPU requires a fixed batch size for all batches, therefore the number
# of examples must be a multiple of the batch size, or else examples
# will get dropped. So we pad with fake examples which are ignored
# later on.
while len(predict_examples) % FLAGS.predict_batch_size != 0:
predict_examples.append(classifier_utils.PaddingInputExample())
predict_file = os.path.join(FLAGS.output_dir, "predict.tf_record")
classifier_utils.file_based_convert_examples_to_features(
predict_examples, label_list, FLAGS.max_seq_length, tokenizer,
predict_file)
tf.logging.info("***** Running prediction*****")
tf.logging.info(" Num examples = %d (%d actual, %d padding)",
len(predict_examples), num_actual_predict_examples,
len(predict_examples) - num_actual_predict_examples)
tf.logging.info(" Batch size = %d", FLAGS.predict_batch_size)
predict_drop_remainder = True if FLAGS.use_tpu else False
predict_input_fn = classifier_utils.file_based_input_fn_builder(
input_file=predict_file,
seq_length=FLAGS.max_seq_length,
is_training=False,
drop_remainder=predict_drop_remainder)
checkpoint_path = os.path.join(FLAGS.output_dir, "model.ckpt-best")
result = estimator.predict(input_fn=predict_input_fn,
checkpoint_path=checkpoint_path)
output_predict_file = os.path.join(FLAGS.output_dir,
"test_results.tsv")
output_submit_file = os.path.join(FLAGS.output_dir,
"submit_results.tsv")
with tf.gfile.GFile(output_predict_file, "w") as pred_writer,\
tf.gfile.GFile(output_submit_file, "w") as sub_writer:
sub_writer.write("index" + "\t" + "prediction\n")
num_written_lines = 0
tf.logging.info("***** Predict results *****")
for (i, (example, prediction)) in\
enumerate(zip(predict_examples, result)):
probabilities = prediction["probabilities"]
if i >= num_actual_predict_examples:
break
output_line = "\t".join(
str(class_probability)
for class_probability in probabilities) + "\n"
pred_writer.write(output_line)
if task_name != "sts-b":
actual_label = label_list[int(prediction["predictions"])]
else:
actual_label = str(prediction["predictions"])
sub_writer.write(example.guid + "\t" + actual_label + "\n")
num_written_lines += 1
assert num_written_lines == num_actual_predict_examples
if FLAGS.export_dir:
tf.gfile.MakeDirs(FLAGS.export_dir)
checkpoint_path = os.path.join(FLAGS.output_dir, "model.ckpt-best")
tf.logging.info("Starting to export model.")
subfolder = estimator.export_saved_model(
export_dir_base=FLAGS.export_dir,
serving_input_receiver_fn=_serving_input_receiver_fn,
checkpoint_path=checkpoint_path)
tf.logging.info("Model exported to %s.", subfolder)
# convert the exported model as tflite model
converter = tf.lite.TFLiteConverter.from_saved_model(
subfolder) # path to the SavedModel directory
tflite_model = converter.convert()
tflite_model_file = os.path.join(FLAGS.export_dir, "model.tflite")
with tf.gfile.GFile(tflite_model_file, "w") as writer:
writer.write(tflite_model)
tf.logging.info("Convert exported model to %s.", tflite_model_file)
def conver_examples_to_features(examples, all_labels, tokenize_fn):
features = []
for example in examples:
feature = convert_single_example(example, tokenize_fn, all_labels)
features.append(feature)
return features
def file_based_convert_examples_to_features(
examples, label_list, max_seq_length, tokenize_fn, output_file,
num_passes=1):
"""Convert a set of `InputExample`s to a TFRecord file."""
# do not create duplicated records
if tf.gfile.Exists(output_file) and not FLAGS.overwrite_data:
tf.logging.info("Do not overwrite tfrecord {} exists.".format(output_file))
return
tf.logging.info("Create new tfrecord {}.".format(output_file))
writer = tf.python_io.TFRecordWriter(output_file)
if num_passes > 1:
examples *= num_passes
for (ex_index, example) in enumerate(examples):
if ex_index % 10000 == 0:
tf.logging.info("Writing example {} of {}".format(ex_index,
len(examples)))
feature = convert_single_example(ex_index, example, label_list,
max_seq_length, tokenize_fn)
def create_int_feature_alt(values):
if type(values)==type(list()):
if type(values[0]) == type(list()):
list64 = tf.train.Int64List(value=values[0])
else:
list64 = tf.train.Int64List(value=values)
else:
list64 = tf.train.Int64List(value=list(values))
f = tf.train.Feature(int64_list=list64)
return f
def create_int_feature(values):
f = tf.train.Feature(int64_list=tf.train.Int64List(value=list(values)))
return f
def create_float_feature(values):
if type(values) == type(list()):
if type(values[0]) == type(list()):
float_list = tf.train.FloatList(value=values[0])
else:
float_list = tf.train.FloatList(value=values)
else:
float_list = tf.train.FloatList(value=list(values))
f = tf.train.Feature( float_list=float_list)
return f
features = collections.OrderedDict()
features["input_ids"] = create_int_feature(feature.input_ids)
features["input_mask"] = create_float_feature(feature.input_mask)
features["segment_ids"] = create_int_feature(feature.segment_ids)
if label_list is not None:
features["label_ids"] = create_int_feature(feature.label_ids)
else:
raise NotImplementedError
features["label_ids"] = create_float_feature([float(feature.label_ids)])
#added
if isinstance(feature.label_ids, list):
if len(feature.label_ids) == 100:
label_ids = feature.label_ids
else:
print(len(feature.label_ids))
if len(feature.label_ids[0])==100:
label_ids = feature.label_ids[0]
else:
raise ValueError
else:
raise NotImplementedError
label_ids = feature.label_ids[0]
features["label_ids"] = create_int_feature(label_ids)
#end added
features["is_real_example"] = create_int_feature(
[int(feature.is_real_example)])
tf_example = tf.train.Example(features=tf.train.Features(feature=features))
writer.write(tf_example.SerializeToString())
writer.close()
def convert_example(self, index, example, labels, max_seq_length,
tokenize_fn):
"""Converts a single `InputExample` into a single `InputFeatures`."""
feature = convert_single_example(index, example, labels,
max_seq_length, tokenize_fn)
return feature
