https://blog.illixion.com/2023/01/rgb-ram-sleep-fix/

RGBRAMSleepAgent.py

import win32con
import win32api
import win32gui
import time
import socket
from openrgb import OpenRGBClient
from openrgb.utils import DeviceType

# While port 6742 is open
while True:
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.bind(("localhost", 6742))
        s.close()
        time.sleep(10)
    except socket.error:
        break


cli = OpenRGBClient()
cli.connect()


def turn_off_ram_leds():
    for dev in cli.devices:
        if dev.type == DeviceType.DRAM:
            dev.set_mode("off")


def turn_on_ram_leds():
    for dev in cli.devices:
        if dev.type == DeviceType.DRAM:
            dev.set_mode("rainbow")
            # dev.set_mode("random flicker")


def wndproc(hwnd, msg, wparam, lparam):
    if msg == win32con.WM_POWERBROADCAST:
        if wparam == win32con.PBT_APMSUSPEND:
            print("WM_POWERBROADCAST: PBT_APMSUSPEND")
            turn_off_ram_leds()
            return True
        elif wparam == win32con.PBT_APMRESUMEAUTOMATIC:
            print("WM_POWERBROADCAST: PBT_APMRESUMEAUTOMATIC")
            turn_on_ram_leds()
            return True
        else:
            print("WM_POWERBROADCAST: Other (%s)" % wparam)
            return True


if __name__ == "__main__":
    hinst = win32api.GetModuleHandle(None)
    wndclass = win32gui.WNDCLASS()
    wndclass.hInstance = hinst
    wndclass.lpszClassName = "testWindowClass"
    messageMap = {
        win32con.WM_POWERBROADCAST: wndproc,
        win32con.WM_QUIT: wndproc,
        win32con.WM_DESTROY: wndproc,
        win32con.WM_CLOSE: wndproc,
    }

    wndclass.lpfnWndProc = messageMap

    try:
        myWindowClass = win32gui.RegisterClass(wndclass)
        hwnd = win32gui.CreateWindowEx(
            win32con.WS_EX_LEFT,
            myWindowClass,
            "testMsgWindow",
            0,
            0,
            0,
            win32con.CW_USEDEFAULT,
            win32con.CW_USEDEFAULT,
            0,
            0,
            hinst,
            None,
        )
    except Exception as e:
        print("Exception: %s" % str(e))

    if hwnd is None:
        print("hwnd is none!")
    else:
        print("hwnd: %s" % hwnd)

    while True:
        win32gui.PumpWaitingMessages()
        time.sleep(1)