August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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149
6.5 人物情報ページのスクレイピング
wdata['year'] = 0
print('Oops, no year in ', text)
category = re.findall(
'Physics|Chemistry|Physiology or Medicine|Literature|'\
'Peace|Economics',
text) #
❸
if category:
wdata['category'] = category[0]
else:
wdata['category'] = ''
print('Oops, no category in ', text)
if country:
if text.find('*') != -1: #
❹
wdata['country'] = ''
wdata['born_in'] = country
else:
wdata['country'] = country
wdata['born_in'] = ''
#
手動で修正するために
#
リンクのテキスト文字列のコピーを格納する
wdata['text'] = text
return wdata
❶
xpath
属性指定
@
を使ってリスト項目の
<a>
タグから
href
属性を取得する（
<li><a href=/wiki
…
>
[winner name]</a>...
）。
❷
Python
の組み込み正規表現ライブラリ
re
を使ってリスト項目のテキストから
4
桁の年文字列を探す。
❸ さらに正規表現ライブラリを使ってテキスト内のノーベル賞分野を探す。 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.