cli.py 文件源码

def create_colors(self, hue, num_colors=5, saturation=None, lightness=None):
        if saturation is None:
            saturation = 0.9
        if lightness is None:
            lightness = 40
        else:
            lightness *= 100

        import math
        saturation -= math.trunc(saturation)

        print hue, saturation
        import colorsys
        ''' Create n related colours '''
        colors = []
        for i in xrange(num_colors):
            ix = i * (1.0/num_colors)
            _lightness = (lightness + (ix * 40))/100.
            if _lightness > 1.0:
                _lightness = 1.0
            color = colorsys.hls_to_rgb(hue, _lightness, saturation)
            hex_color = '#'
            for part in color:
                hex_color += '%02x' % int(part * 255)
            # check and remove any bad values
            if not re.match('^\#[0-9a-f]{6}$', hex_color):
                hex_color = '#FFFFFF'
            colors.append(hex_color)
        return colors