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67 lines
2.2 KiB
67 lines
2.2 KiB
2 years ago
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"""
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# How to use
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# from pyOpenRPA.Tools import StopSafe
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# StopSafe.Init(inLogger=None)
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# StopSafe.IsSafeStop() # True - WM_CLOSE SIGNAL has come. taskkill /im someprocess.exe
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"""
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import win32con
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import win32gui
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import os
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gIsSignalCloseBool = False
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gLogger = None
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gWindowTitleStr = "PythonTerminator" # Title of the phantom window
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gWindowDescriptionStr = "pyOpenRPA library for safe turn off the program (by send the WM_CLOSE signal from task kill)" # Description of the phantom window
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def Init(inLogger=None):
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"""
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Init the StopSafe module. After that you can use def IsStopSafe() to check if close signal has come.
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:param inLogger: Logger to log messages about StopSafe
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:return:
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"""
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global gLogger
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global gIsSignalCloseBool
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gIsSignalCloseBool = False # Init default
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gLogger = inLogger
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import threading
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if gLogger: gLogger.info(f"Безопасная остановка: получен сигнал безопасной остановки")
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shutdown_thread = threading.Thread(target=_shutdown_monitor)
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shutdown_thread.start()
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#shutdown_thread.join()
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#shutdown_monitor()
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def IsStopSafe():
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"""
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Check if stop signal has come.
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:return:
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"""
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global gIsSignalCloseBool # Init the global variable
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return gIsSignalCloseBool # Return the result
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def _shutdown_monitor():
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global gIsSignalCloseBool # Init the global variable
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global gLogger
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def wndproc(hwnd, msg, wparam, lparam):
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if msg == win32con.WM_CLOSE:
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win32gui.DestroyWindow(hwnd)
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return 0
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elif msg == win32con.WM_DESTROY:
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win32gui.PostQuitMessage(0)
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return 0
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return win32gui.DefWindowProc(hwnd, msg, wparam, lparam)
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wc = win32gui.WNDCLASS()
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wc.lpszClassName = gWindowTitleStr
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wc.lpfnWndProc = wndproc
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win32gui.RegisterClass(wc)
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hwnd = win32gui.CreateWindow(gWindowTitleStr, gWindowDescriptionStr,
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0, 0, 0, 0, 0, 0, 0, 0, None)
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win32gui.PumpMessages()
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gIsSignalCloseBool = True # WM_CLOSE message has come
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if gLogger:
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gLogger.info(f"Безопасная остановка: Получен сигнал безопасной остановки (VM_CLOSE) - выполнить остановку")
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