convert.py

from pathlib import Path
from tqdm import tqdm
import subprocess as sp
import multiprocessing as mp


def convert(nef):
    jpg = nef.with_suffix('.JPG')
    n = str(nef)
    command0 = f'sips -s format jpeg {nef} --out {jpg}'
    command1 = f'exiftool -tagsfromfile {nef} -all:all {jpg}'
    sp.run(f'{command0} > /dev/null;{command1} > /dev/null', cwd=Path.cwd(), shell=True)
    return 0


if __name__ == '__main__':
    with open('./nefs.txt', 'r') as f:
        tasks = [Path(line.rstrip()) for line in f]

    #Run the jobs
    with mp.Pool(processes=8) as p:
        r = list(tqdm(p.imap(convert, tasks), total=len(tasks)))