walk_normalize.py

import os

from unicodedata import normalize


def walk_normalize(target_dir):
    for root, dirs, files in os.walk(target_dir):
        for name in files:
            path = os.path.join(root, name)
            if name == '.DS_Store':
                os.remove(path)
                continue
            os.rename(path, normalize('NFC', path))
        for name in dirs:
            path = os.path.join(root, name)
            os.rename(path, normalize('NFC', path))


if __name__ == '__main__':
    walk_normalize('temp')