Python发现文件路径之间的差异 [英] Python find difference between file paths

问题描述

我有一堆文件路径，例如:

I have a bunch of file paths, such as:

path1 = "./base/folder1/subfolder"
path2 = "./base/folder2/"

我正在尝试编写一个函数，该函数可以为我提供路径之间的相对差异.使用上面的路径:

I am trying to write a function that can give me the relative difference between the paths. Using the paths above:

>>> get_path_difference(path1, path2)
"../../folder2"
>>> get_path_difference(path2, path1)
"../folder1/subfolder"

我已经浏览过 os.path 模块，因为这似乎很常见，但是我不知道该术语还是不存在.

I've had a look through the os.path module, since it seems like this should be a common thing, but either I don't know the terminology or it isn't there.

推荐答案

您可以使用

You can use os.path.relpath:

>>> path1 = "./base/folder1/subfolder"
>>> path2 = "./base/folder2/"
>>> import os
>>> os.path.relpath(path1, path2)
'../folder1/subfolder'
>>> os.path.relpath(path2, path1)
'../../folder2'

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