braille animation from binary arrays using numpy

braille.py

#!/usr/bin/env python3
import numpy as np

FRAME_WIDTH = 2

brailles = np.uint8(
    [
      [1,1], [1,0],   [1,1], [1,1],   [1,1], [1,1],   [1,1], [1,1],   [0,1], [1,1],   [0,1], [1,1],   [0,0], [1,1],   [0,0], [1,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,1], [0,0],   [1,1], [0,0],   [1,1], [1,0],
      [1,0], [0,0],   [1,0], [0,0],   [0,0], [0,0],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],
      [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [1,0], [0,0],
      [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],   [0,0], [0,1],   [0,0], [0,1],   [0,0], [1,1],   [0,0], [1,1],   [0,1], [1,1],   [0,1], [1,1],   [1,1], [1,1],   [1,1], [1,1],   [1,1], [1,1],   [1,1], [1,0],   [1,1], [1,0],   [1,1], [0,0],   [1,1], [0,0],   [1,0], [0,0],   [1,0], [0,0],   [0,0], [0,0],   [0,0], [0,0],
    ]
)


braille_index_np = np.flip(np.uint8([0,1,2,6,3,4,5,7]).argsort())

new_size = (8,np.size(brailles)>>3)
brailles=brailles.T.reshape(new_size).T

code_points = np.packbits( brailles[:,braille_index_np] ) + 0x2800

frames = list(map(chr, code_points))

print( ''.join(frames) )

import sys
from time import sleep
for i in range(10):
    for j in range(0, len(frames), FRAME_WIDTH):
        print(f"\033[0D\r  {''.join(frames[j:j+FRAME_WIDTH])}  ", end="")
        sys.stdout.flush()
        sleep(0.05)