January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
Content preview from Python 技術手冊 第三版
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
國際化（Internationalization）
|
377
setlocale setlocale(category, locale=None)
將
category
的地區設定設為
locale
（若不為
None
）；回傳地區設定
（如果
locale
為
None
，就是現有的；否則就是新的）。
locale
可以
是一個字串，或一個對組
(lang, encoding)
。
lang
一般是基於 ISO
639 雙字母碼的一個語言代碼（英語是
'en'
，荷蘭語為
'nl'
，諸如此
類）。當
locale
是空字串
''
，
setlocale
會設定使用者預設的地區設
定。
str str(num)
就像
locale.format('%f', num)
。
strcoll strcoll(str1, str2)
就像
cmp(str1, str2)
，但依據
LC_COLLATE
設定進行。
strxfrm strxfrm(s)
回傳一個字串
sx
，經此變換的字串進行 Python 內建比較的結果會與
在原字串上呼叫
locale.strcoll
相同。
strxfrm
能用作排序的
key=
引
數來進行涉及 locale 的字串比較，例如：
def locale_sort(list_of_strings):
list_of_strings.sort(key=locale.strxfrm)
gettext 模組
國際化中的一個關鍵議題是使用不同自然語言文字的能力，這稱之為
本地
化
（
localization
）。Python 透過
gettext
模組來支援本地化，這受到
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.