November 2022
Intermediate to advanced
392 pages
10h 8m
Chinese
Content preview from Python算法交易
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29
第 2 章
Python
基础架构
在建造房屋时，存在木材选择的问题。
木匠的目标是携带能很好切割的设备，并在他有时间时使设备更锋利，这一
点至关重要。
——宫本武藏《五轮书》
对于刚接触
Python
的人来说，
Python
部署看上去是很直接的，即便对于大量的库
和软件包也是如此。首先，有不止一种风格的
Python
，例如
CPython
，
Jython
，
IronPython
或
PyPy
。然后，
Python 2.7
和
3.x
之间仍然存在很大差别。本章重点介
绍最流行的
Python
编程语言版本，也就是
3.8
版本的
CPython
。
由于多种原因，即使仅专注于
CPython 3.8
（以下简称“
Python
”），部署仍然很
困难：
•
解释器（标准的
CPython
安装）仅带有所谓的标准库（例如，涵盖典型的数学
函数）。
•
可选的
Python
程序包需要单独安装，这样的程序包有数百个。
•
由于依赖关系和特定于操作系统的要求，自行编译（“构建”）此类非标准软
件包可能很棘手。
•
长期维护此类依赖关系和版本一致性通常既繁琐又耗时。
30
｜
第
2
章
•
某些软件包的更新和升级可能会导致需要重新编译大量其他软件包。
•
改变或更换一个软件包可能在（很多）其他地方引入问题。
•
在稍后的某个时间从一种
Python
版本迁移到另一种版本可能会放大前面的所有 ...
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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.