Dump a binary response from the Boundless shop API

dumpshopbin.py

#!/usr/bin/env python
from argparse import ArgumentParser, FileType
from struct import unpack_from

parser = ArgumentParser()
parser.add_argument("binary", help="binary files to parse", type=FileType("rb"), nargs="+", metavar="BIN")
args = parser.parse_args()

for f in args.binary:
    if len(args.binary) > 1:
        print(f"# {f.name}")

    buffer = f.read()

    index = 1
    offset = 0
    while offset != len(buffer):
        beacon_len, tag_len = unpack_from("<BB", buffer, offset)
        beacon, tag, n, patrons, price, x, z, y = unpack_from(f"<{beacon_len}s{tag_len}sIIqhhB", buffer, offset + 2)
        offset += 23 + beacon_len + tag_len

        beacon = beacon.decode("latin1")
        tag = tag.decode("latin1")
        print(f"{index:>2}: #{patrons:<2} x{n:<7,} {price/100:>6}c [{x:5},{y:3},{z:5}] \033[0;94m{tag}\033[0m {beacon}")
        index += 1