def access_global_list_definition():
    # This must be defined in the pir2A.py
    # But it can be called from anywhere using
    # pir2A.access_global_list()
    global gAL
    gAL=""
    gAL=gAL+"."+"g_targTempL0" ; global g_targTempL0
    gAL=gAL+"."+"g_gALtest"    ; global g_gALtest
    nCount=2
    returnValue = "globalAList was defined containing a global Count of : ",nCount
    #print("gAL:"+gAL)
    return returnValue
#def end

def access_global(gName,AorR,value):
    # This must be defined in the pir2A.py
    # It doesn't need to be called from outside the pir2A.py
    # check if in the gAL (globalAccessList)
    global gAL
    gAL1=""
    gAL1=gAL1+"."+"g_targTempL0" ; global g_targTempL0
    gAL1=gAL1+"."+"g_gALtest"    ; global g_gALtest
    nCount=1
    #print("in access_global,gAL:"+gAL)
    #print("gAL:"+gAL)
    #print("found:", gAL.find(".") )
    #print("found:"+gName,gAL.find(gName))
    if gAL.find(gName)==-1 :
        #print("didn't find:"+gName)
        print("ERROR global Name cannot be accessed:"+gName)
        returnValue = gName+" ERROR: is not in the globalAccessList!"
    else:
        # match/case don't work yet in Python
        if gName == "g_gALtest":
                if AorR == "Assign": g_gALtest    = value
                else: returnValue  = g_gALtest
        if gName =="g_targTempL0":
                if AorR == "Assign": g_targTempL0 = value
                else: returnValue  = g_targTempL0
        #if end
        if AorR=="Assign" :
            if isTypeStr(value):
                returnValue=gName+" was assigned value:"+value+":"
            else:
                returnValue=gName+" was assigned value:"+str(value)+":"
            #if end
        else:
            continueDoh=1
        #if end
    #if end
    return returnValue
#def end

def get_global(gName):
    global gAL
    #print("in get_global,gAL:"+gAL)
    #this is usually called from outside the pir2A.py
    # it can be called e.g. gALtest = pir2A.get_global("g_gALtest")
    return access_global(gName,"Retrieve","na")
#def end

def set_global(gName,value):
    #print("in set_global, gName:"+gName)
    #this is usually called from outside the pir2A.py
    # it can be called e.g. pir2A.set_global("g_gALtest",value)
    # WARNING: it will over-ride the current value of this global value
    access_global(gName,"Assign",value)
    if isTypeStr(value):  returnValue= gName+" was set="+value
    else:                 returnValue= gName+" was set="+str(value)
    #doesn't work if value is not a string
    return returnValue
#def end

def get_targTempL0(str1):
    returnValue = access_global("g_targTempL0","Retrieve","na")
    return returnValue
#def end

def isTypeStr(vName):
    Ttype=type(vName)
    if Ttype=="<class 'str'>": return True
    else: return False
#def end
#/global_and_isTypeStr.py