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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
#Link: http://www.cl.ecei.tohoku.ac.jp/nlp100/ | |
""" | |
Wikipediaの記事を以下のフォーマットで書き出したファイルjawiki-country.json.gzがある. | |
link: http://www.cl.ecei.tohoku.ac.jp/nlp100/data/jawiki-country.json.gz | |
1行に1記事の情報がJSON形式で格納される | |
各行には記事名が"title"キーに,記事本文が"text"キーの辞書オブジェクトに格納され,そのオブジェクトがJSON形式で書き出される | |
ファイル全体はgzipで圧縮される | |
以下の処理を行うプログラムを作成せよ. | |
Question 22: | |
22. カテゴリ名の抽出 | |
記事のカテゴリ名を(行単位ではなく名前で)抽出せよ. | |
""" | |
import subprocess | |
import requests | |
import os | |
import re | |
import json | |
def download(url, dir, params={}): | |
dl = requests.get(url, params=params) | |
with file(dir, "wb") as f: | |
f.write(dl.content) | |
def gunzip(path): | |
cmd = "gunzip " + path | |
subprocess.call(cmd, shell=True) | |
#download http://www.cl.ecei.tohoku.ac.jp/nlp100/data/jawiki-country.json.gz | |
download("http://www.cl.ecei.tohoku.ac.jp/nlp100/data/jawiki-country.json.gz","./wikipedia.json.gz") if not os.path.exists("./wikipedia.json") else None | |
if not os.path.exists("wikipedia.json"): | |
gunzip("./wikipedia.json.gz") | |
content = {} | |
i=0 | |
with open('wikipedia.json', 'r') as f: | |
for line in f: | |
content[i]=json.loads(line) | |
i+=1 | |
keyword = [u"イギリス", u"英国", u"British"] | |
result = {} | |
for article in content: | |
for word in keyword: | |
if word in content[article]["text"] or word in content[article]["text"]: | |
result[article] = content[article] | |
break | |
""" | |
************************************************************************************ | |
The code until here is the code that was written for question 20, and I am resusing | |
Link: https://gist.github.com/nutszebra/69ae8e21d576c03581f1 | |
************************************************************************************ | |
""" | |
#例: [[Category:マレーシア|*]] | |
answer = {} | |
for key in result: | |
tmp = result[key]["text"].split("\n") | |
extract = [re.findall(r"\[\[Category:(.*)\]\]$",line)[0] for line in tmp if re.findall(r"\[\[Category:.*\]\]$",line)] | |
extract = [re.findall(r"(.*)\|\*$",line)[0] if re.findall(r"(.*)\|\*$",line) else line for line in extract] | |
if len(extract): | |
answer[key] = "\n".join(extract) | |
else: | |
pass |
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