class AppServerSvc (win32serviceutil.ServiceFramework):
	_svc_name_ = "test1"
	_svc_display_name_ = "test1 service"
	def __init__(self,args):
		win32serviceutil.ServiceFramework.__init__(self,args)
		self.hWaitStop = win32event.CreateEvent(None,0,0,None)
		socket.setdefaulttimeout(60)
	def SvcStop(self):
		self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
		win32event.SetEvent(self.hWaitStop)
	def SvcDoRun(self):
		servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
		                      servicemanager.PYS_SERVICE_STARTED,
		                      (self._svc_name_,''))
		self.main()
	
	def main(self):
		pass
if __name__ == '__main__':
	win32serviceutil.HandleCommandLine(AppServerSvc)

 >>>python myscript.py install

 >>>sc create test1 binpath= "C:\Windows\Python37-32\Python.exe c:\myscript.py" DisplayName= "test1 service" start= auto

 if __name__ == '__main__':
    if len(sys.argv) == 1:
        servicemanager.Initialize()
        servicemanager.PrepareToHostSingle(AppServerSvc)
        servicemanager.StartServiceCtrlDispatcher()
    else:
        win32serviceutil.HandleCommandLine(AppServerSvc)