July 2018
Intermediate to advanced
596 pages
13h 35m
Japanese
Content preview from Pythonによるデータ分析入門 第2版 ―NumPy、pandasを使ったデータ処理
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546
付録
B
IPython
システム上級編
わかってきたことは、大きなモジュールで、その内部で密結合しているようなもの、というのが断然使
いやすく、保守しやすく、また
Python
風であるということです。この状態がスタートラインです。そ
して将来、コードを繰り返し用いていくうちに、自然とリファクタリングの機運が高まり、大きなファ
イルを小さないくつかに分離していくこともあるでしょう。
ここで確認しておきたいのは、著者には極論を振りかざすつもりはないという点です。これまでのあ
りとあらゆるコード資産を、
1
つの莫大なファイルに押し込めなさい、などと言うつもりはありません。
そもそも大規模なコードベースに対して、そのモジュールおよびパッケージ構造はどうあるべきでしょ
うか。構造を常識的かつ直感的なものにするというのは、少し骨の折れる仕事ですが、しかしチーム
での開発を成功させるためには大変重要な作業です。その構造の満たすべき条件は、モジュール内部
で密結合し
ていることと、関数とクラスが担当する機能ごとに分離しており、可能な限り明確に整理さ
れていることが挙げられます。
B.5
高度な
IPython
機能
IPython
機能を完全に使いこなすことができると、
IPython
設定の詳細がわかるようになります。ま
たこれまでと少し違ったコードの書き方ができるかもしれません。
B.5.1
自前のクラスの
IPython
への親和性を高める技法
IPython
では、あらゆるオブジェクトに対してその中身をコンソールにわかりやすく表
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.