python脚本来控制SecureCRT

#$language = "Python"
#$interface = "1.0"

def Main():
    tab = crt.GetScriptTab()

    if tab.Session.Connected != True:
        crt.Dialog.MessageBox(
            "Error.\n" +
            "This script was designed to be launched after a valid "+
            "connection is established.\n\n"+
            "Please connect to a remote machine before running this script.")
        return

    tab.Screen.Synchronous = True

    while True:
        tab.Screen.Send('\n')
        
        tab.Screen.WaitForStrings("Username:")
        tab.Screen.Send("admin" + '\n')
        
        tab.Screen.WaitForStrings("Password:")
        tab.Screen.Send("adc.admin" + '\n')
        
        tab.Screen.WaitForStrings("host>")
        tab.Screen.Send("enable" + '\n')
        
        tab.Screen.WaitForStrings("host#")
        tab.Screen.Send("copy tftp 192.168.10.110 bos_jx.bin ver" + '\n')
        
        tab.Screen.WaitForStrings("Install /mnt/boot/bcm.reset")
        tab.Screen.Send('\n')
        
        tab.Screen.WaitForStrings("host#")
        tab.Screen.Send("reboot" + '\n')
        
        tab.Screen.WaitForStrings('The system will be rebooted! Please enter "y/n"  to confirm:')
        tab.Screen.Send("y" + '\n')

#---------------------------main--------------------------------                    
Main()