小编给大家分享一下python Autopep8实现按PEP8风格自动排版的方法，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
Autopep8是一个将Python代码自动排版为PEP8风格的小工具。它使用pep8工具来决定代码中的哪部分需要被排版。Autopep8可以修复大部分pep8工具中报告的排版问题。
（1）安装步骤如下：
localhost:~ a6$ sudo pip install autopep8Password:The directory '/Users/a6/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.The directory '/Users/a6/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.Collecting autopep8Collecting pycodestyle>=2.3 (from autopep8) Downloading pycodestyle-2.3.1-py2.py3-none-any.whl (45kB) 100% |████████████████████████████████| 51kB 324kB/sInstalling collected packages: pycodestyle, autopep8Successfully installed autopep8-1.3.3 pycodestyle-2.3.1localhost:~ a6$ sudo pip install autopep8The directory '/Users/a6/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.The directory '/Users/a6/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.Requirement already satisfied: autopep8 in /Library/Python/2.7/site-packagesRequirement already satisfied: pycodestyle>=2.3 in /Library/Python/2.7/site-packages (from autopep8)（2）示例代码：
1）运行命令前代码的排版 (保存在test_autopep8.py)
import math, sys; def example1(): ####This is a long comment. This should be wrapped to fit within 72 characters. some_tuple=( 1,2, 3,'a' ); some_variable={'long':'Long code lines should be wrapped within 79 characters.', 'other':[math.pi, 100,200,300,9876543210,'This is a long string that goes on'], 'more':{'inner':'This whole logical line should be wrapped.',some_tuple:[1, 20,300,40000,500000000,60000000000000000]}} return (some_tuple, some_variable)def example2(): return {'has_key() is deprecated':True}.has_key({'f':2}.has_key(''));class Example3( object ): def __init__ ( self, bar ): #Comments should have a space after the hash. if bar : bar+=1; bar=bar* bar ; return bar else: some_string = """ Indentation in multiline strings should not be touched.Only actual code should be reindented.""" return (sys.path, some_string)2）运行命令
bogon:AB a6$ autopep8 --in-place --aggressive --aggressive test_autopep8.py3）运行命令后代码的排版
import mathimport sys def example1(): # This is a long comment. This should be wrapped to fit within 72 # characters. some_tuple = (1, 2, 3, 'a') some_variable = { 'long': 'Long code lines should be wrapped within 79 characters.', 'other': [ math.pi, 100, 200, 300, 9876543210, 'This is a long string that goes on'], 'more': { 'inner': 'This whole logical line should be wrapped.', some_tuple: [ 1, 20, 300, 40000, 500000000, 60000000000000000]}} return (some_tuple, some_variable) def example2(): return ('' in {'f': 2}) in {'has_key() is deprecated': True}; class Example3(object): def __init__(self, bar): # Comments should have a space after the hash. if bar: bar += 1 bar = bar * bar return bar else: some_string = """ Indentation in multiline strings should not be touched. Only actual code should be reindented. """ return (sys.path, some_string)以上是“python Autopep8实现按PEP8风格自动排版的方法”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注编程网行业资讯频道！
