convert-img-to-grayscale.py

import glob
import os

from PIL import Image


def changeColotToGrayScale():
    os.makedirs('grayscale', exist_ok=True)

    bmp_files = glob.glob('./*.png')
    for f in bmp_files:
        print(f)
        img = Image.open(f).convert('L').resize((120, 120)).crop((0, 5, 120, 115)).resize((35, 32))
        file_name = f.split('.png')[0] + '-232016ff23ff0001.png'
        img.save('grayscale/' + file_name)

    # img = Image.open('face-with-tears-of-joy_1f602.png').convert('L').resize((35, 32))
    # img.save('greyscale.png')


changeColotToGrayScale()