this post was submitted on 12 Oct 2023
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Python

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I'm talking about stuff like this: [file.unlink() for file in files] instead of the more verbose but maybe easier to grasp for python noobs:

for file in files:
    file.unlink()

Maybe with a bit more context:

def _cleanup(self) -> None:                                                                                                                                                                                                             
    dirs, files = partition(lambda f: f.is_file(), self._tmp_dir.rglob("*"))                                                                                                                                                            
    [file.unlink() for file in files]                                                                                                                                                                                                   
    [dir.rmdir() for dir in dirs]                                                                                                                                                                                                       
    self._tmp_dir.rmdir()
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[โ€“] nieceandtows 3 points 1 year ago

I don't think this is a good place to use list comprehension. Yes the code is smaller, but it is very hacky. It's like those flight booking hacks where you book for a different destination with your actual destination as a transit location. Yes it's cheaper, but that's not an elegant solution.