add `scripts/binarized_data.py`

examples/distillation/scripts/binarized_data.py

+import argparse
+import pickle
+import random
+import time
+import numpy as np
+from pytorch_transformers import BertTokenizer
+
+from ..utils import logger
+
+def main():
+    parser = argparse.ArgumentParser(description="Preprocess the data to avoid re-doing it several times by (tokenization + token_to_ids).")
+    parser.add_argument('--file_path', type=str, default='data/dump.txt',
+                        help='The path to the data.')
+    parser.add_argument('--bert_tokenizer', type=str, default='bert-base-uncased',
+                        help="The tokenizer to use.")
+    parser.add_argument('--dump_file', type=str, default='data/dump',
+                        help='The dump file prefix.')
+    args = parser.parse_args()
+
+
+    logger.info(f'Loading Tokenizer ({args.bert_tokenizer})')
+    bert_tokenizer = BertTokenizer.from_pretrained(args.bert_tokenizer)
+
+
+    logger.info(f'Loading text from {args.file_path}')
+    with open(args.file_path, 'r', encoding='utf8') as fp:
+        data = fp.readlines()
+
+
+    logger.info(f'Start encoding')
+    logger.info(f'{len(data)} examples to process.')
+
+    rslt = []
+    iter = 0
+    interval = 10000
+    start = time.time()
+    for text in data:
+        text = f'[CLS] {text.strip()} [SEP]'
+        token_ids = bert_tokenizer.encode(text)
+        rslt.append(token_ids)
+
+        iter += 1
+        if iter % interval == 0:
+            end = time.time()
+            logger.info(f'{iter} examples processed. - {(end-start)/interval:.2f}s/expl')
+            start = time.time()
+    logger.info('Finished binarization')
+    logger.info(f'{len(data)} examples processed.')
+
+
+    dp_file = f'{args.dump_file}.{args.bert_tokenizer}.pickle'
+    rslt_ = [np.uint16(d) for d in rslt]
+    random.shuffle(rslt_)
+    logger.info(f'Dump to {dp_file}')
+    with open(dp_file, 'wb') as handle:
+        pickle.dump(rslt_, handle, protocol=pickle.HIGHEST_PROTOCOL)
+
+
+if __name__ == "__main__":
+    main()
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