Convert XYZ color values from ArgyllCMS spotread to sRGB color values

spotread_to_sRGB.py

#!/usr/bin/env python3

import colour
import numpy
import readline

def convert(XYZ100):
    XYZ100 = numpy.asarray(XYZ100)
    XYZ1 = XYZ100 * 0.01
    D50 = colour.CCS_ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['ICC D50']
    sRGB1 = colour.XYZ_to_sRGB(XYZ1, illuminant=D50, chromatic_adaptation_transform='Bradford')
    sRGB255 = numpy.round(sRGB1 * 255)
    if numpy.all(sRGB255 >= 0) and numpy.all(sRGB255 <= 255):
        R, G, B = map(int, sRGB255.tolist())
        return f'#{R:02X}{G:02X}{B:02X}'
    else:
        sRGB255 = sRGB1 * 255
        R, G, B = sRGB255.tolist()
        return f'RGB({R:.1f}, {G:.1f}, {B:.1f})'

def main():
    print('Please type in the CIEXYZ (D50) result of spotread.')
    print('For example: 17.355600 18.000000 14.848200')
    while True:
        response = input('XYZ> ')
        if not response:
            break
        XYZ100 = response.split()
        X100, Y100, Z100 = map(float, XYZ100)
        print('sRGB:', convert([X100, Y100, Z100]))

if __name__ == '__main__':
    main()