def CheckThreshold()

in render-wallboard.py [0:0]

• 25 lines of code
• 19 McCabe index (conditional complexity)

def CheckThreshold(WallboardName, ThresholdReference):
    global Settings,Data,Thresholds,Logger,Calculations
    
    #
    # For the given data reference, check for any threshold details and then
    # return the right colour (which will be used for the cell background when
    # displayed). We have warning thresholds (above and below) and error
    # thresholds (above and below).
    #
    Colour = ""

    if ThresholdReference not in Thresholds[WallboardName]:
        Logger.warning("Threshold reference "+ThresholdReference+" does not exist for wallboard "+WallboardName)
        return(Colour)

    Threshold = Thresholds[WallboardName][ThresholdReference]
    if "Reference" not in Threshold:
        Logger.warning("No data reference present in threshold "+ThresholdReference+ "for wallboard "+WallboardName)
        return(Colour)

    if Threshold["Reference"] not in Data:
        if Threshold["Reference"] in Calculations:
            Data[Threshold["Reference"]] = DoCalculation(WallboardName, Threshold["Reference"])
        else:
            Logger.warning("Data reference "+Threshold["Reference"]+" in threshold "+ThresholdReference+" does not exist for wallboard "+WallboardName)
            return(Colour)

    if "WarnBelow" in Threshold:
        if int(Data[Threshold["Reference"]]) < int(Threshold["WarnBelow"]): Colour = Settings[WallboardName]["WarningBackgroundColour"]
    if "AlertBelow" in Threshold:
        if int(Data[Threshold["Reference"]]) < int(Threshold["AlertBelow"]): Colour = Settings[WallboardName]["AlertBackgroundColour"]
    if "WarnAbove" in Threshold:
        if int(Data[Threshold["Reference"]]) > int(Threshold["WarnAbove"]): Colour = Settings[WallboardName]["WarningBackgroundColour"]
    if "AlertAbove" in Threshold:
        if int(Data[Threshold["Reference"]]) > int(Threshold["AlertAbove"]): Colour = Settings[WallboardName]["AlertBackgroundColour"]

    return(Colour)