如果你使用本地python包pathlib，它真的很简单。

>>> from pathlib import Path
>>> your_path = Path("/folderA/folderB/folderC/folderD/")
>>> your_path.stem
'folderD'

假设在文件夹d中有一个文件的路径。

>>> from pathlib import Path
>>> your_path = Path("/folderA/folderB/folderC/folderD/file.txt")
>>> your_path.name
'file.txt'
>>> your_path.parent
'folderD'

我喜欢Path的部分方法:

grandparent_directory, parent_directory, filename = Path(export_filename).parts[-3:]
log.info(f'{t: <30}: {num_rows: >7} Rows exported to {grandparent_directory}/{parent_directory}/{filename}')

path = "/folderA/folderB/folderC/folderD/"
last = path.split('/').pop()

str = "/folderA/folderB/folderC/folderD/"
print str.split("/")[-2]

以下是我的方法:

>>> import os
>>> print os.path.basename(
        os.path.dirname('/folderA/folderB/folderC/folderD/test.py'))
folderD
>>> print os.path.basename(
        os.path.dirname('/folderA/folderB/folderC/folderD/'))
folderD
>>> print os.path.basename(
        os.path.dirname('/folderA/folderB/folderC/folderD'))
folderC

我正在寻找一个解决方案，以获得文件所在的最后一个文件夹名，我只是使用分裂两次，以获得正确的部分。这不是问题，但谷歌把我调到了这里。

pathname = "/folderA/folderB/folderC/folderD/filename.py"
head, tail = os.path.split(os.path.split(pathname)[0])
print(head + "   "  + tail)