第0章 Python之禅(The Zen of Python, by Tim Peters)
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Beautiful is better than ugly.
优美胜于丑陋(Python程序员笃信代码可以编写得漂亮而优雅) -
Explicit is better than implicit.
明了胜于晦涩(优美的代码应当是明了的,命名规范,风格相似) -
Simple is better than complex.
简洁胜于复杂(如果有两个解决方案,一个简单,一个复杂,且都行之有效,就选择简单的解决方法) -
Complex is better than complicated.
复杂胜于凌乱(如果复杂不可避免,那代码间也不能有难懂的关系,要保持接口简洁) -
Flat is better than nested.
扁平胜于嵌套(优美的代码应当是扁平的,不能有太多的嵌套) -
Sparse is better than dense.
间隔胜于紧凑(优美的代码有适当的间隔,不要奢望一行代码解决问题) -
Readability counts.
可读性很重要(优美的代码是可读的) -
Special cases aren’t special enough to break the rules.
Although practicality beats purity.
即便假借特例的实用性之名,也不可违背这些规则(这些规则至高无上) -
Errors should never pass silently. Unless explicitly silenced.
不要包容所有错误,除非你确定需要这样做(精准地捕获异常,不写 except:pass 风格的代码) -
In the face of ambiguity, refuse the temptation to guess.
当存在多种可能,不要尝试去猜测 -
There should be one-- and preferably only one --obvious way to do it.
尽量找一种,最好是唯一一种明显的解决方案(如果让两个Python程序员去解决同一个问题,他们提供的解决方案应大致相同) -
Although that way may not be obvious at first unless you’re Dutch.
虽然这并不容易,因为你不是 Python 之父(这里的 Dutch 是指 Guido ) -
Now is better than never.
做也许好过不做.(不要企图编写完美无缺的代码;先编写行之有效的代码,再决定是对其改进还是重新编写) -
Although never is often better than right now.
但不假思索就动手还不如不做(动手之前要细思量) -
If the implementation is hard to explain, it’s a bad idea.
如果你无法向人描述你的方案,那肯定不是一个好方案 -
If the implementation is easy to explain, it may be a good idea.
如果你可以向人描述你的方案,那肯定是一个好方案 -
Namespaces are one honking great idea – let’s do more of those!
命名空间是一种绝妙的理念,我们应当多加利用(倡导与号召)