[Python] Convert Kanji to Kana in JavaScript files.

kanji2kana_in_jsfiles.py

import sys
from pathlib import Path
from pykakasi import kakasi

kakasi = kakasi()
kakasi.setMode('H', 'a')
kakasi.setMode('K', 'a')
kakasi.setMode('J', 'a')
conv = kakasi.getConverter()

path = Path(sys.argv[1] if len(sys.argv) >= 2 else '.')

for src in [f for f in path.glob('*.js') if f.is_file()]:
    dist = Path("_" + src.name)
    print('{} -> {} ...'.format(src, dist))
    with src.open() as fin, dist.open('w') as fout:
        for line in fin:
            fout.write(conv.do(line))
            fout.flush()