Use universal-pathlib to support arguments with remote storage paths

[danielgafni]

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Example Code

import typer
from upath import UPath

def main(write_path: UPath = typer.Argument(...)):
    with write_path.open("wb") as file:
        file.write("Hello Any Storage!")

if __name__ == "__main__":
    typer.run(main)

Description

universal-pathlib is an extremely useful pathlib extension that's part of the fsspec stack and provides the same interface as pathlib with support to remote filesystems such as s3, gcs and more.

Right now typer doesn't understand UPath (and for example can't check remote file existance).

It would be useful to support UPath and it would cost around 0 efforts to add this support as the interface is exactly pathlib's.

I want this to be possible out of the box:

python cli.py --write-path s3://bucket/file