[issue36656] Please add race-free os.link and os.symlink wrapper / helper

[Tom Hale]

Tom Hale <tomnott at gmail.com> added the comment:

I've created a PR here:

https://github.com/python/cpython/pull/14464

Only shutil.symlink is currently implemented.

Feedback sought from Windows users.

@Michael.Felt please note that `overwrite=False` is the default.

@taleinat I hope that the new implementation addresses the infinite loop concern.

Please be both thorough and gentle - this is my first PR.

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