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Code: Alles auswählen

import win32com.client
import os
import time
from win32gui import MessageBox as msgbox

class Tester:
	def __init__ (self):
		self.__className = 'Tester'
		print ('%s : call constructor' %self.__className)

	def __del__ (self):
		print ('%s : call destructor' %self.__className)

	def OnChange (self, value):
		print ('VariableEvents:OnChange now called with %s' %value)

def demo ():
	appl = win32com.client.Dispatch ('CANoe.Application')
	env = appl.Environment
	var = env.GetVariable ('dtc_event')
	env_event = win32com.client.WithEvents (var, Tester)
	msgbox (0, "Finished the Test", "Info", 16)

demo()

Code: Alles auswählen

	t = time.time() + 60.0
	while t > time.time():
		pythoncom.PumpWaitingMessages()
		time.sleep(0.1)

Code: Alles auswählen

class EnvironmentEvents:
    def __init__ ( self ) :
        print "Initializing Environment Event Class" 

    def OnChange (self,Value) :
        StopTestExecution = Value
        print '%3.2f' %StopTestExecution
        print ('Environment Variable Value Changed')

##        ################# INITIALIZE CONTROL DESK ################################## 
        MyControlDeskHandler = Controldesk_Handler.CONTROLDESK_HANDLER()

##        ################# INITIALIZE CANOE #########################################         
        MyCAN                = Dispatch ( 'CANoe.Application' )
        MyCANMeasurement     = MyCAN.Measurement
        MyCANEnvironment     = MyCAN.Environment.GetVariable("env_COM_BatteryVoltage")
        MyEvents             = DispatchWithEvents (MyCANEnvironment,EnvironmentEvents)

        TestSetup = MyCAN.Configuration.TestSetup
        TestEnvs = TestSetup.TestEnvironments
        TestEnv = TestEnvs.Item(1)
        TestEnv.ExecuteAll()            

##        msgbox ( 0 , "Finished the test" , "info" , 16 )  ## with a message box everything is working fine

        while(StopTestExecution>0):   ##  My idea is to send the event variable value from CAPL as 0 to stop the execution. Until that time looping has to go on.But this doesn't work
            i = i + 1
            print '%3.2f' %StopTestExecution 
            Sleep(500)        

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        MyEvents             = DispatchWithEvents (MyCANEnvironment,EnvironmentEvents(MyControlDeskHandler,'Model Root/IOUserInterface/IO_PAR/POWER/VOLTAGEOUT/Value'))

class EnvironmentEvents:
    def __init__ ( self, ControlDeskhandler, Path) :
        print "Initializing Environment Event Class"
        self.MyHandler = ControlDeskhandler
        self.MyPath = Path

    def OnChange (self,Value) :
        StopTestExecution = Value
        print '%3.2f' %StopTestExecution
        self.MyHandler.Write_Variable(self.MyPath ,Value)
        print ('Environment Variable Value Changed')

Traceback (most recent call last):
  File "C:\Program Files (x86)\Common Files\dSPACE\Python25\lib\site-packages\win32com\client\__init__.py", line 304, in DispatchWithEvents
    result_class = new.classobj("COMEventClass", (disp_class, events_class, user_event_class), {"__setattr__" : _event_setattr_})
TypeError: instance() takes at most 2 arguments (3 given)
[Dbg]>>>