Python Essential Reference (4th Edition)

Name: Python Essential Reference (4th Edition)
ISBN: 9787115242594

David M. BeazleyPosts & Telecom Press2011

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Chapters: 1
Series: Turing Programming Series
ISBN: 9787115242594

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Summary

Python Essential Reference (4th Edition) is the Chinese translation of the fourth edition of Python Essential Reference by American developer David M. Beazley. It is a reference guide to the Python language and standard library for experienced programmers. The book is divided into three parts. Part I systematically covers the core Python language: lexical and syntactic conventions, types and objects, operators and expressions, program structure and control flow, functions and functional programming, classes and object-oriented programming, modules, packages, and distribution, input and output, the execution environment, and testing, debugging, profiling, and tuning. Part II examines the most commonly used standard library modules by topic: built-in functions and exceptions, runtime services, mathematics, data structures and algorithms, string and text processing, database access, file and directory handling, operating system services, threads and concurrency, network programming and sockets, Internet application programming, web programming, and data encoding and processing. Part III discusses how to extend and embed Python, and includes appendices on Python 3. This edition has been thoroughly updated to cover the language features and library modules introduced in Python 2.6 and Python 3, and specifically analyzes the trade-offs between keeping code in Python 2 and migrating to Python 3. The book condenses thousands of pages of official online documentation into a few hundred pages. Concise in style, it also includes advanced topics not covered by the official documentation, making it suitable as a desk reference for quick consultation.

Editor's review

这是一本“查”重于“读”的经典工具书。David M. Beazley 最有名的能力，是把庞杂的官方文档压缩成高密度的干货：本书用五百余页覆盖了Python核心语言与最常用标准库，条目式组织、示例短小，翻查模块用法与语言细节时效率极高。它不教你从零写第一个程序，而是帮你把零散经验整理成体系：装饰器、元类、协程、描述符这些容易一知半解的高级主题，书中都给出清晰到位的说明，并补充了一些官方文档没有的实践要点。本版同时覆盖Python 2.6与Python 3，专门讨论2/3迁移的现实取舍，在Python 3已成主流的今天，这部分正好成了理解老代码与版本差异的历史材料。需要提醒的是，书中标准库细节以当年的Python版本为准，具体API行为请以你实际使用的解释器文档为准；把它当“地图”和“索引”，配合官方文档验证，是这本书最恰当的用法。

Who it's for

A good fit for

已有一定Python基础、需要随手查阅语言与标准库细节的开发者
从其他语言转来、想快速建立Python知识地图的程序员
需要处理Python 2遗留代码或评估迁移成本的技术人员
想系统补齐装饰器、元类、协程等进阶主题的自学者

Not a good fit for

零基础、希望跟着案例一步步入门编程的读者
想学习数据分析、机器学习、Web框架等具体应用方向的读者
需要最新Python 3.10+新特性与现役库用法的读者

Reading tips

第一部分的语言章节可通读一遍建立框架，第二、三部分当作字典按需查阅。
遇到标准库问题时先查本书定位模块与要点，再到对应版本的官方文档核对细节。
阅读时配合自己的项目代码做小实验，尤其是装饰器、元类、并发相关章节。
先确认自己使用的Python版本，注意书中Python 2相关内容已属历史语境。

About the publisher

Posts & Telecom Press China · Founded in 1953

Posts & Telecom Press is known for its strengths in science and technology, computing, and information and communications titles, and has extended its publishing into photography, art, software learning, and inspirational growth, giving it a fairly diverse range. Its catalog includes computing and communications works such as Refactoring and Patterns (Revised Edition) and Huawei Switch Learning Guide (Second Edition), alongside bilingual collector's editions such as The Little Prince (Chinese-English-French illustrated collector's edition), The Great Gatsby, and Three Days to See. Beijing Ten Years: 1980-1990 and Ghost Blade: WLOP Personal Illustration Collection reflect its presence in photography and art. Its authors include Antoine de Saint-Exupéry, Helen Keller, Joshua Kerievsky, Wang Da, Zhang Zhaozeng, and WLOP.

Turing Programmer Series

FAQ

这本书适合零基础学Python吗？

不太适合。本书是参考手册而非教程，假定读者已有编程经验、了解Python基本语法，直接讲类型、对象、模块与标准库细节。零基础读者建议先读一本入门教程，再来把本书当案头工具书。

这本书讲的是Python 2还是Python 3？

两者都讲。第4版覆盖Python 2.6与Python 3新引入的语言特性和库模块，并专门讨论现有代码是继续用Python 2还是迁移到Python 3的问题，因此可用来理解两者的差异。

书中的内容现在还能直接用吗？

核心语言部分（类型、函数、类、模块等）大体仍然适用，但标准库细节以成书时的版本为准，Python 3后续版本有新增与改动。建议把本书作为索引与框架，具体API以你所使用版本的官方文档为准。

2018年的“第4版修订版”和这本2011年版有什么区别？

两者同为人民邮电出版社引进的Python Essential Reference第4版中译本，译者相同。2011年版ISBN为9787115242594；后续印次与修订版在ISBN、定价和部分内容校订上有差异，购买时以版权页信息为准。

需要从头读到尾吗？

不需要。比较高效的做法是通读第一部分建立语言框架，第二、三部分按需检索。全书条目化编排，正适合在写代码时随手翻查。

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