What's the best way to add a trailing slash to a pathlib directory?

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囚心锁ツ
囚心锁ツ 2021-02-14 10:20

I have a directory I\'d like to print out with a trailing slash: my_path = pathlib.Path(\'abc/def\')

Is there a nicer way of doing this than os.path.j

3条回答
  •  难免孤独
    2021-02-14 10:57

    No, you didn't miss anything. By design, pathlib strips trailing slashes, and provides no way to display paths with trailing slashes. This has annoyed several people, as mentioned in the bug tracker: pathlib strips trailing slash.

    A compact way to add slashes in Python 3.6 is to use an f-string, eg f'{some_path}/' or f'{some_path}{os.sep}' if you want to be OS-agnostic.

    from pathlib import Path
    import os
    
    some_path = '/etc'
    p = Path(some_path)
    print(f'{p}/')
    print(f'{p}{os.sep}')
    

    output

    /etc/
    /etc/
    

    Another option is to add a dummy component and slice it off the resulting string:

    print(str(p/'@')[:-1])
    

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