main.py

import time

import numpy as np
import screen_brightness_control as sbc
from PIL import ImageGrab
from screeninfo import get_monitors

monitor_num = 0

for monitor in sbc.list_monitors():
    print(monitor, ':', sbc.get_brightness(display=monitor), '%')


def most_frequent(a):
    counter = 0
    num = a[0]

    for i in a:
        curr_frequency = a.count(i)
        if curr_frequency > counter:
            counter = curr_frequency
            num = i

    return num


monitor_x = get_monitors()[monitor_num].x
monitor_y = get_monitors()[monitor_num].y
monitor_w = get_monitors()[monitor_num].width
monitor_h = get_monitors()[monitor_num].height
print(monitor_x, monitor_y, monitor_w, monitor_h)
step = 50
num_pixel = monitor_w // step * monitor_h // step
count = 0
while True:
    try:
        img = ImageGrab.grab()
        imgNP = np.array(img)

        im_arr = np.frombuffer(img.tobytes(), dtype=np.uint8)
        im_arr = im_arr.reshape((img.size[1], img.size[0], 3))
        r = g = b = 0
        pixelArray = []
        for y in range(monitor_y, monitor_h, step):
            for x in range(monitor_x, monitor_w, step):
                px = im_arr[y][x]

                pixelArray.append([px[0], px[1], px[2]])

        mostFrequentColor = most_frequent(pixelArray)
        count += 1
        e = round(
            (((int(mostFrequentColor[0]) + int(mostFrequentColor[1]) + int(mostFrequentColor[2])) / 3) / 255) * 50)
        target = e + 50
        sbc.fade_brightness(target, display=sbc.list_monitors()[monitor_num])
    except:
        # Quick fix for when the device is asleep
        print("Error, (fell asleep?)")
    time.sleep(0.2)  # print(count)