generate_random_palette.py

import argparse
from PIL import Image
import sys
import shutil
import os
import json


def _getvocpallete(num_cls):
    n = num_cls
    pallete = [0]*(n*3)
    for j in range(0, n):
        lab = j
        pallete[j*3+0] = 0
        pallete[j*3+1] = 0
        pallete[j*3+2] = 0
        i = 0
        while (lab > 0):
            pallete[j*3+0] |= (((lab >> 0) & 1) << (7-i))
            pallete[j*3+1] |= (((lab >> 1) & 1) << (7-i))
            pallete[j*3+2] |= (((lab >> 2) & 1) << (7-i))
            i = i + 1
            lab >>= 3
    return pallete

palette= _getvocpallete(256)
with open('palette.txt','w') as filehandle:
    for i in palette:
        filehandle.write('%s\n' % i)
    filehandle.close()