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《Python 黑魔法指南》https://github.com/iswbm/magic-python/blob/master/Python%20%E9%BB%91%E9%AD%94%E6%B3%95%E6%8C%87%E5%8D%97%20v2.0.pdf
https://patch-diff.githubusercontent.com/Jason-LH/magic-python#目录大纲
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第一章：魔法冷知识https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------
1.1 默默无闻的省略号很好用https://patch-diff.githubusercontent.com/Jason-LH/magic-python#11------------
1.2 使用 end 来结束代码块https://patch-diff.githubusercontent.com/Jason-LH/magic-python#12----end-------
1.3 可直接运行的 zip 包https://patch-diff.githubusercontent.com/Jason-LH/magic-python#13--------zip--
1.4 反斜杠的倔强: 不写最后https://patch-diff.githubusercontent.com/Jason-LH/magic-python#14-------------
1.5 如何修改解释器提示符https://patch-diff.githubusercontent.com/Jason-LH/magic-python#15-----------
1.6 简洁而优雅的链式比较https://patch-diff.githubusercontent.com/Jason-LH/magic-python#16------------
1.7 and 和 or 的短路效应https://patch-diff.githubusercontent.com/Jason-LH/magic-python#17-and---or------
1.8 连接多个列表最极客的方式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#18-------------
1.9 字典居然是可以排序的？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#19------------
1.10 哪些情况下不需要续行符？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#110-------------
1.11 用户无感知的小整数池https://patch-diff.githubusercontent.com/Jason-LH/magic-python#111-----------
1.12 神奇的 intern 机制https://patch-diff.githubusercontent.com/Jason-LH/magic-python#112-----intern---
1.13 site-packages和 dist-packageshttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#113-site-packages--dist-packages
1.14 argument 和 parameter 的区别https://patch-diff.githubusercontent.com/Jason-LH/magic-python#114-argument---parameter----
1.15 /usr/bin/env python 有什么用？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#115--usr-bin-env-python------
1.16 dict() 与 {} 生成空字典有什么区别？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#116-dict-------------------
1.17 有趣但没啥用的 import 用法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#117---------import---
1.18 正负得正，负负得正https://patch-diff.githubusercontent.com/Jason-LH/magic-python#118----------
1.19 return不一定都是函数的终点https://patch-diff.githubusercontent.com/Jason-LH/magic-python#119-return----------
1.20 字符串里的缝隙是什么？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#120------------
1.21 Python2下 也能使用 print(“”)https://patch-diff.githubusercontent.com/Jason-LH/magic-python#121-python2-------print----
1.22 字母也玩起了障眼法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#122----------
1.23 数值与字符串的比较https://patch-diff.githubusercontent.com/Jason-LH/magic-python#123----------
1.24 时有时无的切片异常https://patch-diff.githubusercontent.com/Jason-LH/magic-python#124----------
1.25 迷一样的字符串https://patch-diff.githubusercontent.com/Jason-LH/magic-python#125--------
1.26 x 与 +x 等价吗？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#126-x----x-----
1.27 += 不等同于=+https://patch-diff.githubusercontent.com/Jason-LH/magic-python#127----------
1.28 循环中的局部变量泄露https://patch-diff.githubusercontent.com/Jason-LH/magic-python#128-----------
1.29 局部/全局变量傻傻分不清https://patch-diff.githubusercontent.com/Jason-LH/magic-python#129-------------
1.30 break /continue 和 上下文管理器哪个优先级高？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#130-break--continue----------------
第二章：魔法命令行https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------
2.1 懒人必备技能：使用 “_”https://patch-diff.githubusercontent.com/Jason-LH/magic-python#21--------------
2.2 最快查看包搜索路径的方式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#22-------------
2.3 使用 json.tool 来格式化 JSONhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#23----jsontool------json
2.4 命令行式执行 Python 代码https://patch-diff.githubusercontent.com/Jason-LH/magic-python#24--------python---
2.5 用调试模式执行脚本https://patch-diff.githubusercontent.com/Jason-LH/magic-python#25----------
2.6 如何快速搭建 FTP 服务器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#26--------ftp----
2.7 快速构建 HTML 帮助文档https://patch-diff.githubusercontent.com/Jason-LH/magic-python#27------html-----
2.8 最正确且优雅的装包方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#28------------
2.9 往 Python Shell 中传入参数https://patch-diff.githubusercontent.com/Jason-LH/magic-python#29---python-shell------
2.10 让脚本报错后立即进入调试模式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#210---------------
2.11 极简模式执行 Python Shellhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#211--------python-shell
2.12 在执行任意代码前自动念一段平安经https://patch-diff.githubusercontent.com/Jason-LH/magic-python#212-----------------
2.13 启动 Python Shell 前自动执行某脚本https://patch-diff.githubusercontent.com/Jason-LH/magic-python#213----python-shell---------
第三章：炫技魔法操作https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
3.1 八种连接列表的方式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#31----------
1、最直观的相加https://patch-diff.githubusercontent.com/Jason-LH/magic-python#1-------
2、借助 itertoolshttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#2----itertools
3、使用 * 解包https://patch-diff.githubusercontent.com/Jason-LH/magic-python#3--------
4、使用 extendhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#4----extend
5、使用列表推导式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#5--------
6、使用 heapqhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#6----heapq
7、借助魔法方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#7-------
8. 使用 yield fromhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#8----yield-from
3.2 合并字典的 8 种方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#32-------8----
1、最简单的原地更新https://patch-diff.githubusercontent.com/Jason-LH/magic-python#1---------
2、先解包再合并字典https://patch-diff.githubusercontent.com/Jason-LH/magic-python#2---------
3、借助 itertoolshttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#3----itertools
4、借助 ChainMaphttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#4----chainmap
5、使用dict.items() 合并https://patch-diff.githubusercontent.com/Jason-LH/magic-python#5---dictitems-----
6、最酷炫的字典解析式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#6----------
7、Python 3.9 新特性https://patch-diff.githubusercontent.com/Jason-LH/magic-python#7-python-39----
3.3 花式导包的八种方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#33----------
1. 直接 importhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#1----import
2. 使用 _import_https://patch-diff.githubusercontent.com/Jason-LH/magic-python#2-------import--
3. 使用 importlib 模块https://patch-diff.githubusercontent.com/Jason-LH/magic-python#3----importlib---
4. 使用 imp 模块https://patch-diff.githubusercontent.com/Jason-LH/magic-python#4----imp---
5. 使用 execfilehttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#5----execfile
6. 使用 exec 执行https://patch-diff.githubusercontent.com/Jason-LH/magic-python#6----exec---
7. import_from_github_comhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#7-import-from-github-com
8、远程导入模块https://patch-diff.githubusercontent.com/Jason-LH/magic-python#8-------
3.4 条件语句的七种写法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#34----------
第一种：原代码https://patch-diff.githubusercontent.com/Jason-LH/magic-python#-------
第二种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
第三种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
第四种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
第五种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
第六种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
第七种https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---
3.5 判断是否包含子串的七种方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#35--------------
1、使用 in 和 not inhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#1----in---not-in
2、使用 find 方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#2----find---
3、使用 index 方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#3----index---
4、使用 count 方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#4----count---
5、通过魔法方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#5-------
6、借助 operatorhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#6----operator
7、使用正则匹配https://patch-diff.githubusercontent.com/Jason-LH/magic-python#7-------
3.6 海象运算符的三种用法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#36-----------
第一个用法：if/elsehttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#------if-else
第二个用法：whilehttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#------while
第三个用法：推导式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------
第四章：魔法进阶扫盲https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
4.1 精通装饰器八大用法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#41----------
Hello，装饰器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#hello----
入门：日志打印器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--------
入门：时间计时器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--------
进阶：带参数的函数装饰器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#------------
高阶：不带参数的类装饰器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#------------
高阶：带参数的类装饰器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#-----------
使用偏函数与类实现装饰器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#------------
如何写能装饰类的装饰器？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#------------
wraps 装饰器有啥用？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#wraps--------
4.2 深入理解描述符https://patch-diff.githubusercontent.com/Jason-LH/magic-python#42--------
为什么要使用描述符？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
描述符的访问规则https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--------
基于描述符如何实现propertyhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------property
基于描述符如何实现staticmethodhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------staticmethod
基于描述符如何实现classmethodhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------classmethod
所有实例共享描述符https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------
4.3 精通上下文管理器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#43---------
what context manager？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#what-context-manager-
how context manager？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#how-context-manager-
why context manager？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#why-context-manager-
how contextlib?https://patch-diff.githubusercontent.com/Jason-LH/magic-python#how-contextlib-
第五章：魔法开发技巧https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
5.1 嵌套上下文管理的另类写法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#51-------------
5.2 将嵌套 for 循环写成单行https://patch-diff.githubusercontent.com/Jason-LH/magic-python#52-----for-------
5.3 单行实现 for 死循环如何写？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#53------for--------
5.4 如何关闭异常自动关联上下文？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#54---------------
5.5 自带的缓存机制不用白不用https://patch-diff.githubusercontent.com/Jason-LH/magic-python#55-------------
5.6 如何流式读取数G超大文件https://patch-diff.githubusercontent.com/Jason-LH/magic-python#56--------g----
5.7 实现类似 defer 的延迟调用https://patch-diff.githubusercontent.com/Jason-LH/magic-python#57------defer------
5.8 如何快速计算函数运行时间https://patch-diff.githubusercontent.com/Jason-LH/magic-python#58-------------
5.9 重定向标准输出到日志https://patch-diff.githubusercontent.com/Jason-LH/magic-python#59-----------
5.10 快速定位错误进入调试模式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#510-------------
5.11 在程序退出前执行代码的技巧https://patch-diff.githubusercontent.com/Jason-LH/magic-python#511--------------
5.12 逗号也有它的独特用法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#512-----------
5.13 如何在运行状态查看源代码？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#513--------------
5.14 少为人知的重试机制https://patch-diff.githubusercontent.com/Jason-LH/magic-python#514----------
5.15 让我爱不释手的用户环境https://patch-diff.githubusercontent.com/Jason-LH/magic-python#515------------
5.16 字符串的分割技巧https://patch-diff.githubusercontent.com/Jason-LH/magic-python#516---------
5.17 反转字符串/列表最优雅的方式https://patch-diff.githubusercontent.com/Jason-LH/magic-python#517---------------
5.18 如何将 print 内容输出到文件https://patch-diff.githubusercontent.com/Jason-LH/magic-python#518------print--------
5.19 改变默认递归次数限制https://patch-diff.githubusercontent.com/Jason-LH/magic-python#519-----------
5.20 让你晕头转向的 else 用法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#520---------else---
5.21 单分派泛函数如何写？https://patch-diff.githubusercontent.com/Jason-LH/magic-python#521-----------
第六章：良好编码习惯https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
6.1 不要直接调用类的私有方法https://patch-diff.githubusercontent.com/Jason-LH/magic-python#61-------------
6.2 默认参数最好不为可变对象https://patch-diff.githubusercontent.com/Jason-LH/magic-python#62-------------
6.3 增量赋值的性能更好https://patch-diff.githubusercontent.com/Jason-LH/magic-python#63----------
6.4 别再使用 pprint 打印了https://patch-diff.githubusercontent.com/Jason-LH/magic-python#64------pprint----
1. 吐槽问题https://patch-diff.githubusercontent.com/Jason-LH/magic-python#1-----
2. 解决问题https://patch-diff.githubusercontent.com/Jason-LH/magic-python#2-----
打印中文https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----
打印双引号https://patch-diff.githubusercontent.com/Jason-LH/magic-python#-----
3. 何必折腾https://patch-diff.githubusercontent.com/Jason-LH/magic-python#3-----
打印中文https://patch-diff.githubusercontent.com/Jason-LH/magic-python#-----1
4. 总结一下https://patch-diff.githubusercontent.com/Jason-LH/magic-python#4-----
第七章：神奇的魔法模块https://patch-diff.githubusercontent.com/Jason-LH/magic-python#-----------
7.1 远程登陆服务器的最佳利器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#71-------------
1. 使用 subprocesshttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#1----subprocess
2. 使用 sh.sshhttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#2----shssh
3. 使用 paramikohttps://patch-diff.githubusercontent.com/Jason-LH/magic-python#3----paramiko
方法1：基于用户名和密码的 sshclient 方式登录https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--1-----------sshclient-----
方法2：基于用户名和密码的 transport 方式登录https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--2-----------transport-----
方法3：基于公钥密钥的 SSHClient 方式登录https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--3---------sshclient-----
方法4：基于密钥的 Transport 方式登录https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--4-------transport-----
实现 sftp 文件传输https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---sftp-----
注意事项https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----
4. 写在最后https://patch-diff.githubusercontent.com/Jason-LH/magic-python#4-----
7.2 代码 BUG 变得酷炫的利器https://patch-diff.githubusercontent.com/Jason-LH/magic-python#72----bug--------
1. 环境要求https://patch-diff.githubusercontent.com/Jason-LH/magic-python#1-----
2. 效果对比https://patch-diff.githubusercontent.com/Jason-LH/magic-python#2-----
3. 配置全局可用https://patch-diff.githubusercontent.com/Jason-LH/magic-python#3-------
4. 单文件中使用https://patch-diff.githubusercontent.com/Jason-LH/magic-python#4-------
5. 自定义设置https://patch-diff.githubusercontent.com/Jason-LH/magic-python#5------
5.1 设置颜色https://patch-diff.githubusercontent.com/Jason-LH/magic-python#51-----
5.2 设置显示内容https://patch-diff.githubusercontent.com/Jason-LH/magic-python#52-------
5.3 设置怎么显示https://patch-diff.githubusercontent.com/Jason-LH/magic-python#53-------
7.3 少有人知的 Python "重试机制"https://patch-diff.githubusercontent.com/Jason-LH/magic-python#73-------python-------
最基本的重试https://patch-diff.githubusercontent.com/Jason-LH/magic-python#----------
设置停止基本条件https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--------
设置何时进行重试https://patch-diff.githubusercontent.com/Jason-LH/magic-python#--------
重试后错误重新抛出https://patch-diff.githubusercontent.com/Jason-LH/magic-python#---------
设置回调函数https://patch-diff.githubusercontent.com/Jason-LH/magic-python#------
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