From e7340a15520523402099ef13a462c034fe58f51a Mon Sep 17 00:00:00 2001
From: Yigit Sever
Date: Wed, 25 Sep 2019 21:16:29 +0300
Subject: Include .tsv creator

---
 scripts/tsv_creator.py | 101 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 scripts/tsv_creator.py

(limited to 'scripts/tsv_creator.py')

diff --git a/scripts/tsv_creator.py b/scripts/tsv_creator.py
new file mode 100644
index 0000000..7d587c5
--- /dev/null
+++ b/scripts/tsv_creator.py
@@ -0,0 +1,101 @@
+import argparse
+
+parser = argparse.ArgumentParser(description='Create .tsv file from two wordnet definitions')
+parser.add_argument('source_lang', help='source language short name')
+parser.add_argument('target_lang', help='target language short name')
+parser.add_argument('source_defs', help='path of the source definitions')
+parser.add_argument('target_defs', help='path of the target definitions')
+parser.add_argument('-n', '--set_aside', help='set aside to validate on', type=int)
+
+args = parser.parse_args()
+
+source_lang = args.source_lang
+target_lang = args.target_lang
+
+from DataHelper.Loader import load_def_from_file as load_def
+
+source_defs_filename = args.source_defs
+target_defs_filename = args.target_defs
+defs_source = load_def(source_defs_filename)
+defs_target = load_def(target_defs_filename)
+
+import numpy as np
+from re import sub
+from mosestokenizer import *
+
+def clean_corpus_suffix(corpus, language):
+    '''
+    Adds '__target-language' and '__source-language' at the end of the words
+    '''
+    clean_corpus = []
+    tokenize = MosesTokenizer(language)
+    for definition in corpus:
+        definition = sub(r"'", '', definition)
+        definition = sub(r"[^\w]", ' ', definition)
+        clean_doc = []
+        words = tokenize(definition)
+        for word in words:
+            clean_doc.append(word + '__%s' % language)
+        clean_corpus.append(' '.join(clean_doc))
+    return clean_corpus
+
+clean_source_corpus = clean_corpus_suffix(defs_source, source_lang)
+clean_target_corpus = clean_corpus_suffix(defs_target, target_lang)
+
+assert len(clean_source_corpus) == len(clean_target_corpus)
+
+set_aside = args.set_aside
+
+source_predict = clean_source_corpus[-set_aside:]
+target_predict = clean_target_corpus[-set_aside:]
+labels_predict = [1] * set_aside # placeholder, won't be used, we can use 1 because they're correct
+
+clean_source_corpus = clean_source_corpus[:-set_aside]
+clean_target_corpus = clean_target_corpus[:-set_aside]
+
+size = len(clean_source_corpus)
+
+import math
+import random
+
+def create_pos_neg_samples(length):
+    indices = list(range(length))
+    halfsize = math.ceil(length / 2)
+    neg_points = random.sample(indices, halfsize)
+    neg_indices = list(neg_points)
+    random.shuffle(neg_indices)
+
+    for (index, point) in zip(neg_indices, neg_points):
+        indices[point] = index
+
+    labels = [1] * length
+
+    for i in neg_points:
+        labels[i] = 0
+
+    return indices, labels
+
+while True:
+    indices, labels = create_pos_neg_samples(size)
+    shuffled_target = [clean_target_corpus[index] for index in indices]
+    check = [clean for clean, shuf in zip(clean_target_corpus, shuffled_target) if clean == shuf]
+    halfsize = math.ceil(size/2)
+    try:
+        assert len(check) == halfsize
+    except AssertionError:
+        print(f'rolling again: {len(check)} vs {halfsize}')
+    else:
+        break
+
+assert len(clean_source_corpus) == len(shuffled_target) == size
+assert len(labels) == len(clean_source_corpus) == len(shuffled_target)
+
+import csv
+
+with open(f'/home/syigit/tsv_data/{source_lang}_{target_lang}_1000_data.tsv', 'w', encoding='utf8', newline='') as tsv_file:
+    tsv_writer = csv.writer(tsv_file, delimiter='\t', lineterminator='\n')
+    tsv_writer.writerow([f'{source_lang} definition', f'{target_lang} definition', 'is same'])
+    for row in zip(clean_source_corpus, shuffled_target, labels):
+        tsv_writer.writerow(row)
+    for row in zip(source_predict, target_predict, labels_predict):
+        tsv_writer.writerow(row)
-- 
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