palette_test.py 文件源码

def foreground_chart(chart, background, colors):
    """
    Create text markup for a foreground colour chart

    chart -- palette chart as string
    background -- colour to use for background of chart
    colors -- number of colors (88 or 256)
    """
    def convert_foreground(entry):
        try:
            attr = urwid.AttrSpec(entry, background, colors)
        except urwid.AttrSpecError:
            return None
        return attr, entry
    return parse_chart(chart, convert_foreground)