From c5006118178c048763f927ac2d80b3dfe843d6a9 Mon Sep 17 00:00:00 2001
From: Xinzhu Cai <hzh13528@163.com>
Date: Wed, 28 Aug 2019 08:55:13 -0400
Subject: [PATCH] Create dataConvertDistractor.py

---
 Preprocessing/dataConvertDistractor.py | 77 ++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Preprocessing/dataConvertDistractor.py

diff --git a/Preprocessing/dataConvertDistractor.py b/Preprocessing/dataConvertDistractor.py
new file mode 100644
index 0000000..ac9b4b3
--- /dev/null
+++ b/Preprocessing/dataConvertDistractor.py
@@ -0,0 +1,77 @@
+import json
+import random
+random.seed(0)
+
+
+def recover(s, delimiter='_', unk='<a>'):
+    s = s.split(delimiter)
+    s = [x for x in s if x != unk]
+    return s
+
+
+def padding(s, max_length=100, unk='<a>', delimiter='_'):
+    if isinstance(s, str):
+        s = s.split()
+    elif isinstance(s, unicode):
+        s = s.encode('utf-8')
+        s = s.split()
+    if len(s) > max_length:
+        s = s[:max_length]
+    else:
+        s = s + [unk] * (max_length - len(s))
+    s = delimiter.join(s)
+    return s
+
+
+def load_vocab(vocab_path):
+    vocab = []
+    with open(vocab_path, 'r') as fin:
+        for line in fin:
+            line = line.strip()
+            line = line.split()
+            vocab.append(line)
+    return vocab
+
+
+if __name__ == '__main__':
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--json', type=str, required=True, help='path to json')
+    parser.add_argument('--output', type=str, required=True, help='path to output')
+    parser.add_argument('--vocab_path', type=str, default='combine.vocab', help='path to vocabulary')
+    parser.add_argument('--max_length', type=int, default=100, help='max length of questions')
+    parser.add_argument('--max_length_dis', type=int, default=20, help='max length of distractors')
+    parser.add_argument('--delimiter', type=str, default='_')
+    parser.add_argument('--unk', type=str, default='<a>')
+    parser.add_argument('--train', type=int, default=1, help='whether is train or val/test')
+    args = parser.parse_args()
+
+    # Get data
+    data = json.load(open(args.json))
+    vocab = load_vocab(args.vocab_path)
+
+    # Get max length just for a reference
+    max_dis_len = -1
+    max_sent_len = -1
+    for d in data:
+        dis_all = d['distractors'] + d['neg_samples'] + [d['answer']]
+        d_lens = [len(dis.split()) for dis in dis_all]
+        max_dis_len = max(max_dis_len, max(d_lens))
+        max_sent_len = max(max_sent_len, len(d['sentence'].split()))
+    print('max sentence length', max_sent_len)
+    print('max distractor length', max_dis_len)
+
+    # Main logic
+    with open(args.output, 'w') as out:
+        for d in data:
+            sent = padding(d['sentence'].lower(), args.max_length,
+                           args.unk, args.delimiter)#.encode('utf8')
+            answer = padding(d['answer'].lower(), args.max_length_dis,
+                             args.unk, args.delimiter)#.encode('utf8')
+            for key in ['distractors', 'neg_samples']:
+                for dis in d[key]:
+                    label = 1 if key == 'distractors' else 0
+                    #if (args.train == 1 and label == 1) or args.train != 1:
+                    if True:
+                        dis = padding(dis.lower(), max_dis_len, args.unk, args.delimiter)#.encode('utf8')
+                        out.write('{} {} {} {}\n'.format(label, sent, answer, dis))