# Add Safe turn off functionallity (can kill by taskkill /im ... without /f - force kill)

# Add Session logoff in terminator too

Sources/pyOpenRPA/Tools/Terminator.py

@@ -0,0 +1,62 @@
+# How to use
+# from pyOpenRPA.Tools import Terminator
+# Terminator.Init(inLogger=None)
+# Terminator.IsSignalClose() # True - WM_CLOSE SIGNAL has come
+# Terminator.SessionLogoff() # Logoff the session
+
+import win32con
+import win32gui
+import os
+gIsSignalCloseBool = False
+gLogger = None
+gWindowTitleStr = "PythonTerminator" # Title of the phantom window
+gWindowDescriptionStr = "pyOpenRPA library for safe turn off the program (by send the WM_CLOSE signal from task kill)" # Description of the phantom window
+
+# Init the terminator
+def Init(inLogger=None):
+    global gLogger
+    global gIsSignalCloseBool
+    gIsSignalCloseBool = False # Init default
+    gLogger = inLogger
+    #import sys
+    #import time
+    #import atexit
+    import threading
+    #atexit.register(print, 'PYTHON SPAM APP: SHUTDOWN')
+    shutdown_thread = threading.Thread(target=shutdown_monitor)
+    shutdown_thread.start()
+    #shutdown_thread.join()
+    #shutdown_monitor()
+    
+# Terminator.IsSignalClose() # True - WM_CLOSE SIGNAL has come
+def IsSignalClose():
+    global gIsSignalCloseBool # Init the global variable
+    return gIsSignalCloseBool # Return the result
+
+# Terminator.SessionLogoff() # Logoff the session
+def SessionLogoff():
+    os.system("shutdown /l")
+
+# Technical function
+def shutdown_monitor():
+    global gIsSignalCloseBool # Init the global variable
+    global gLogger
+    def wndproc(hwnd, msg, wparam, lparam):
+        if msg == win32con.WM_CLOSE:
+            win32gui.DestroyWindow(hwnd)
+            return 0
+        elif msg == win32con.WM_DESTROY:
+            win32gui.PostQuitMessage(0)
+            return 0
+        return win32gui.DefWindowProc(hwnd, msg, wparam, lparam)
+    wc = win32gui.WNDCLASS()
+    wc.lpszClassName = gWindowTitleStr
+    wc.lpfnWndProc = wndproc
+    win32gui.RegisterClass(wc)
+    hwnd = win32gui.CreateWindow(gWindowTitleStr, gWindowDescriptionStr,
+                0, 0, 0, 0, 0, 0, 0, 0, None)
+    win32gui.PumpMessages()
+    gIsSignalCloseBool = True # WM_CLOSE message has come
+    if gLogger:
+        gLogger.info(f"Terminator: Program has recieve the close signal - safe exit")
+