September 2014
Intermediate to advanced
332 pages
6h 48m
Japanese
Content preview from Python文法詳解
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7
1.4 Python の処理系
ソフトウエアやライブラリの公式なリポジトリである「
PyPI
（
the Python Package Index)
」はも
ともと「
Cheese Shop
」と呼ばれていましたが、これも「空飛ぶモンティ・パイソン」のコントの
名前です。
こういった事情は、
Python
を使う上で特に意識する必要はありませんが、
Python
を使って
いて奇妙な見慣れない名前などを見かけたら、「ああ、これはきっと
Monty Python
にちなんだ
（悪？）ふざけだな」と思っておけば、時間を無駄にしなくて良いかもしれません。私見ですが、
近年の
Python
コミュニティでは、
Monty Python
系統の命名にはやや食傷気味、という雰囲気も
見受けられるようです。
1.4
Python
の処理系
プログラミング言語
Python
には、何種類かの実装が公開されています。主要な実装を以下に挙
げます。
Python
オリジナルの、
C
言語で実装された
Python
で、
CPython
と呼ばれることもあります。単に
「
Python
」と言った場合、通常はこの
CPython
を指します。
PyPy
JIT
（
Just-In-Time
）コンパイラを持つ
Python
で、
CPython
よりも高速に動作し、
CPython
と高い互換性を保っています。
Jython
Java
言語で実装された
Python
で、
Java VM
上で動作し、
Java
のクラスを読み込んで
Python
のクラスと同じように利用できます。
IronPython
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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.