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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客戶端網路協定模組
Python 的標準程式庫提供了數個模組，來簡化 Internet（網際網路）協
定的使用，特別是在客戶端的（或一些簡單的伺服器）。近來，Python
Package Index（
https://pypi.python.org/pypi
，PyPI）提供了更多的這種套
件。這些第三方的套件支援非常多樣的協定，而有幾個提供的 API 比標準
程式庫的還要好。當你需要使用標準程式庫沒有的協定，或者標準程式庫
提供的方式你不滿意，請一定要搜尋 PyPI，你很有可能在那裡找到更好的
解決方式。
在本章中，我們涵蓋能為某些網路協定用途提供滿意解法的一些標準程式
庫套件，特別是簡單的協定：如果你編寫的程式碼不需要第三方套件，那
麼你的應用程式或程式庫就很容易安裝到其他機器上。我們也提到了幾個
第三方套件，它們涵蓋了標準程式庫中沒有包含的重要網路協定。本章沒
有涵蓋使用非同步程式設計（asynchronous programming）做法的第三方套
件：要找那種套件，請參閱前面的「asyncio 模組（僅限 v3）」。
對於特定的、很常會用到的 HTTP
1
客戶端和其他的網路資源（例如匿名
的 FTP 站台）用例，這種最好透過 URL
2
存取的情況，標準程式庫只提
供了複雜、不相容（v2 與 v3 之間）的支援。因此，對於這種情況，我們
1 HTTP，也就是 Hypertext Transfer Protocol，是 World Wide Web 的核心協定：每個 web
伺服器和瀏覽器都會使用它，而它也成為了今日 ...
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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.
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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.