January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
Content preview from Python 技術手冊 第三版
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第 24 章 擴充與內嵌標準型的 Python
Cython
Cython（
http://cython.org/
）語言，Greg Ewing 的 pyrex（
http://www.cosc.
canterbury.ac.nz/greg.ewing/python/Pyrex/
）的一個「友善分支（friendly
fork）」，通常是為 Python 撰寫擴充功能最便利的方式。Cython 幾乎是
Python 的一個完整子集（它們宣稱的目標是最終成為 Python 的一個完整的
超集合
1
，為變數加上選擇性的類似 C 的型別：你可以自動將 Cython 程式
（帶有延伸檔名
.pyx
）編譯為機器碼（藉由產生 C 程式碼的中間步驟），
產生 Python 可匯入的擴充功能。）請參閱前面的 URL 來查看深入、詳盡、
優良的說明文件，涵蓋 Cython 程式設計的所有細節，在本節中，我們只涵
蓋一些基礎，來幫助你開始使用 Cython。
Cython 實作了幾乎所有的 Python，但有 Cython 作者無意修補的四個細微
差異（
http://docs.cython.org/en/latest/src/userguide/limitations.html
），以及在
目前 Cython 中被視為臭蟲的幾個小差異，而作者也計畫盡快修補它們（在
此列出它們並沒有意義，因為很有可能你讀到這裡時它們已經被修正了）。
所以，Cython 確實是 Python 的一個龐大的子集。更重要的是，Cython 為
Python ...
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