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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108
5 章 Python による Web からのデータの取得
docs.continuum.io/anaconda/pkg-docs
）には含まれています（
1
章を参照）。
Anaconda
でなくて
も、以下の
pip
コマンドで利用できるようになります。
$ pip install requests
Downloading/unpacking requests
...
Cleaning up...
バージョン
2.7.9
以前の
Python
では、
requests
を使うとセキュアソケットレイヤ（
SSL
：
Secure Sockets Layer
、
https://ja.wikipedia.org/wiki/Transport_Layer_Security
）の警告が発生
することがありますが、新しい
SSL
ライブラリにアップグレードすれば解消されます
†
。
$ pip install --upgrade ndg-httpsclient
requests
をインストールしたので、本章の初めに述べた最初のタスクを実行し、
Web
から生の
データファイルを取得します。
5.2
requests
を使ったデータファイルの取得
Python
インタプリタセッションは
requests
の性能を試すよい方法なので、使いやすいローカ
ルコマンドラインを見つけ、
IPython
を起動して
requests
をインポートしてください。
$ ipython
Python 3.5.2 (default, Jul 5 2016, 11:41:13)
...
In [1]: import ...
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