warn.if.zero.rpm.py

import os
from os.path import isfile, join
import datetime
from time import sleep
import tkinter
from tkinter import messagebox

mypath = r"C:\Users\Tyler\Documents\GPUFanSpeed"
waitTime = 20

# hide "main window" for message box errors
root = tkinter.Tk()
root.withdraw()

messagebox.showinfo("Service Started", "cool, the service started.")

while True:
    # retrieve all log files
    onlyfiles = [f for f in os.listdir(mypath) if isfile(join(mypath, f))]

    # remove old log files to save space
    latestFile = onlyfiles[-1:][0]
    for filename in onlyfiles:
        if filename != latestFile:
            print("deleting old file: " + filename)
            os.remove(mypath + "\\" + filename)

    # fetch last line of file quickly, this will be the latest fan speeds
    with open(mypath + "\\" + latestFile, 'rb') as f:
        f.seek(-2, os.SEEK_END)
        while f.read(1) != b'\n':
            f.seek(-2, os.SEEK_CUR)
        last_line = f.readline().decode().split(",")

    timeLogged = last_line[0][:-3]
    gpuFan = last_line[1]
    psuFan = last_line[2][:-2]

    print("Time: " + timeLogged)
    print("GPU Fan Speed: " + gpuFan)
    print("PSU Fan Speed: " + psuFan)

    # check how long ago these values were logged, to make sure that iCUE is doing its job populating the file.
    timeLoggedDateTime = datetime.datetime.strptime(timeLogged, '%d/%m/%Y %H:%M:%S')
    howOld = (datetime.datetime.now() - timeLoggedDateTime).total_seconds()
    if howOld > waitTime * 3:
        messagebox.showerror("iCUE watcher", "iCUE is not logging!")
        
    # alert user if their system temperatures are higher than they need to be due to the harmful "zero fan mode"
    # This leads to an early death of the hardware, and higher profits for hardware manufacturers
    if gpuFan == "0RPM":
        messagebox.showerror("GPU Zero RPM Warning", "warning: harmful zero fan mode is running on the GPU!")
    if psuFan == "0RPM":
        messagebox.showerror("PSU Zero RPM Warning", "warning: harmful zero fan mode is running on the PSU!")
        
    sleep(waitTime)

You will have to change the directory & set up logging in iCUE.