Last active
February 12, 2018 14:15
-
-
Save hiropppe/df92dc00d72c7fd11f3c3f0131c5528a to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env python | |
# -*- coding:utf8 -*- | |
from __future__ import unicode_literals | |
import codecs | |
import gzip | |
import re | |
import sys | |
import unicodedata | |
from tqdm import tqdm | |
chr = unichr | |
re_parentheses_title = re.compile(r"\(\d+,\d+,'?([^,']+)'?,[^\)]+\)") | |
re_title_brackets = re.compile('_\([^\)]+\)$') | |
IGNORE_PREFIX = ('アップロードログ', '削除記録/', '削除依頼/', '検証/', '進行中の荒らし行為/', '井戸端/', 'WP:', | |
'利用者:', 'User:', 'ウィキプロジェクト', 'PJ:', 'メインページ/', '索引 ', '著作権/', 'Location map/') | |
IGNORE_SUFFIX = ('.jpg', '.jpeg', '.png', '.gif', '.js', '.css', 'の一覧', '/削除') | |
IGNORE_SUBSTR = ('Wikipedia:', 'Template:', 'Listes:', '過去ログ:', 'ファイル:', '画像:', | |
'Section:', '/過去ログ', '/history', '/log', '/sandbox') | |
IGNORE_PATTERNS = (re.compile(r'^\d+$'), | |
re.compile(r'^\d+年(?:\d+月)?(?:\d+日)?$'), | |
re.compile(r'^\d+月(?:\d+日)?$'), | |
re.compile(r'^\d+日$'), | |
re.compile(r'^\d+\.\d+.\d+.\d+$'), | |
re.compile(r'^\w+(?:\:\w+)+$'), | |
re.compile(r'^[\u3041-\u3097]{,2}$')) | |
HIRAGANA = set(map(chr, range(12353, 12353+86))) | |
KATAKANA = set(map(chr, range(12449, 12449+90))) | |
IGNORES = {'さんが'} | |
sys.stdout = codecs.getwriter('utf8')(sys.stdout) | |
sys.stderr = codecs.getwriter('utf8')(sys.stderr) | |
def extract_title_from_sql(path): | |
with gzip.GzipFile(path) as fd: | |
return list(re_parentheses_title.findall(fd.read().decode('utf8'))) | |
def normalize(title): | |
title = unicodedata.normalize('NFKC', title) | |
title = re_title_brackets.sub('', title) | |
title = title.replace('_', ' ') | |
return title | |
def is_useless_entity(title): | |
if (title.startswith(IGNORE_PREFIX) or | |
title.endswith(IGNORE_SUFFIX) or | |
title in HIRAGANA or | |
title in KATAKANA or | |
any(s in title for s in IGNORE_SUBSTR) or | |
any(r.match(title) for r in IGNORE_PATTERNS)): | |
return False | |
else: | |
return True | |
def main(page_sql_dump, out): | |
titles = extract_title_from_sql(page_sql_dump) | |
for title in tqdm(titles): | |
title = normalize(title) | |
if not is_useless_entity(title): | |
if title not in IGNORES: | |
IGNORES.add(title) | |
out.write(u'{:s}\n'.format(title)) | |
if __name__ == '__main__': | |
import argparse | |
parser = argparse.ArgumentParser() | |
parser.add_argument( | |
'--page_sql_dump', '-p', type=str, default=None, required=True, | |
help='Wikipedia page sql dump file (gz)') | |
parser.add_argument( | |
'--out', '-o', type=str, default=None, | |
help='Output file.' | |
) | |
args = parser.parse_args() | |
if args.out: | |
out = codecs.open(args.out, mode='w', encoding='utf8') | |
else: | |
out = sys.stdout | |
args = parser.parse_args() | |
main(args.page_sql_dump, out) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment