PzzTool Autotest. Must be use with pzztool.py from https://github.com/Virtual-World-RE/NeoGF and unpacked pzz file.

autotest.py

from argparse import ArgumentParser;
import pzztool
import hashlib
import json
import os


__author__ = "GGLinnk"
__copyright__ = "Copyright 2021 - Virtual World RE"

__license__ = "MIT"
__version__ = "1.1.0"
__maintainer__ = "GGLinnk"
__email__ = "gglinnk@protonmail.com"
__status__ = "Production"


def argparser():
    parser = ArgumentParser(description='Test that decompression / compression are working')
    parser.add_argument('input_path',  metavar='INPUT',  help='Path to folder containing compressed .dat file (unpacked pzz)')
    return parser.parse_args()


if __name__ == '__main__':
    listofinvalid = {'invalid-hash': {}, 'decomp-failed': []}
    args = argparser()

    for filename in os.listdir(args.input_path):
        file = open(os.path.join(args.input_path, filename), 'rb')
        original_bytes = file.read()
        try:
            recomp_bytes = pzztool.pzz_compress(pzztool.pzz_decompress(original_bytes))
            original_digest = hashlib.sha256(original_bytes).hexdigest()
            recomp_digest = hashlib.sha256(recomp_bytes).hexdigest()

            if original_digest != recomp_digest:
                listofinvalid['invalid-hash'][filename] = {'original_digest': original_digest, 'recomp_digest': recomp_digest}
        except:
            listofinvalid['decomp-failed'].append(filename)
        file.close()

    with open('invalid_files.json', 'w') as file:
        file.write(json.dumps(listofinvalid, indent=2))