IBP banding data system: Internal maintenance specification

Standard field-flattener for color bands.

# - - -   C o l o r B a n d s F i e l d . f l a t t e n   - - -   Static

#   @staticmethod
    def flatten ( colorBands ):
        """Flatten a color-bands field.
        """
        if  colorBands is None:
            return BLANK_COLOR_BANDS
        else:
            return colorBands.value.ljust ( COLOR_BANDS_L )

    flatten  =  staticmethod ( flatten )