Switches Symlink and Target location, useful when using pools of disks like mergerfs that don't allow hardlinks

ReverseSymlink.py

from pathlib import Path
import os
import sys
from shutil import copyfile

def try_to_copy_file(src, dest):
    try:
        copyfile(src, dest)
        return True
    except:
        print("An error has occurred when copying the file...")
        # Recreate deleted Symlink
        os.remove(dest)
        os.symlink(dest, src)
        return False

def reverse_symlink(symlink_path, original_file_path):
    if not os.path.exists(original_file_path):
        print("Original file path is broken, can't reverse symlink\n".format(original_file_path))
        print("Removing Broken Symlink")
        os.remove(symlink_path)
        return
    os.remove(symlink_path)
    ret = try_to_copy_file(original_file_path, symlink_path)
    if not ret:
        return
    os.remove(original_file_path)
    os.symlink(symlink_path, original_file_path)

if len(sys.argv) == 2:        
    folder_dir = sys.argv[1]
    if os.path.exists(folder_dir):
        p = Path(folder_dir)
        print (p)

        root = p
        links = [link for link in root.rglob('*') if link.is_symlink()]
        files = [os.readlink(str(pointed_file)) for pointed_file in links]

        if (len(links) == len(files)) and len(links) > 0:
            print("Invertendo Symlinks:\n")
            for i in range(len(links)):
                print("\nInvertendo:\n\n(Symlink)\n{}\n\n(File Original)\n{}\n\n".format(links[i], files[i]))
                reverse_symlink(links[i],files[i])
        elif len(links) == 0:
            print("No symlinks to reverse")
        else:
            print("Something happened that the links and files list have a mismatch")
else:
    print("Use a path as argument")