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是一个使import 列表更美观的工具包，官方例子如下：
before
from my_lib import Object
print("Hey")
import os
from my_lib import Object3
from my_lib import Object2
import sys
from third_party import lib15, lib1, lib2, lib3, lib4, lib5, lib6, lib7, lib8, lib9, lib10, lib11, lib12, lib13, lib14
import sys
from __future__ import absolute_import
from third_party import lib3
print("yo")
after
from __future__ import absolute_import
import os
import sys
from third_party import (lib1, lib2, lib3, lib4, lib5, lib6, lib7, lib8,
lib9, lib10, lib11, lib12, lib13, lib14, lib15)
from my_lib import Object, Object2, Object3
print("Hey")
print("yo")
From the command line:
isort mypythonfile.py mypythonfile2.py
or recursively:
isort -rc .
which is equivalent to:
isort **/*.py
or to see the proposed changes without applying them:
isort mypythonfile.py --diff
Finally, to atomically run isort against a project, only applying changes if they don‘t introduce syntax errors do:
isort -rc --atomic .
懒得翻译了，很简单，大家自己看吧。。。。
参考链接：
https://github.com/timothycrosley/isort
个人实践的例子如下，写个test.py
from sys import argv import os
执行
isort test.py
之后就变成了
import os from sys import argv
2333333333
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原文地址：http://www.cnblogs.com/wswang/p/5521595.html
