parse.py

#!/usr/bin/env python3

import sys
import argparse


def parse_args():
    parser = argparse.ArgumentParser(description="Process some stuff.")

    parser.add_argument("-w", "--width", type=int, help="width of map", required=True)
    parser.add_argument(
        "-ht", "--height", type=int, help="height of map", required=True
    )
    parser.add_argument("input", type=str, help="input blk file")
    return parser.parse_args()


def main():
    args = parse_args()
    with open(args.input, "rb") as f:
        data = f.read()
    data = [int(x) for x in data]
    if len(data) != args.width * args.height:
        raise ValueError("bad dimensions")
    for i in range(int(len(data) / args.height)):
        start_index = i * args.height
        row = data[start_index : start_index + args.width]
        print(",".join([str(x) for x in row]))


if __name__ == "__main__":
    main()