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Update pzztool.py
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tmpz23
GitHub
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pzztool.py
56
pzztool.py
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@ -10,6 +10,10 @@ __license__ = "MIT"
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__status__ = "developpement"
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# Pour plus d'informations sur le format PZZ :
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# http://virtualre.rf.gd/index.php/PZZ_(Gotcha_Force)
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BIT_COMPRESSION_FLAG = 0x40000000
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FILE_LENGTH_MASK = 0x3FFFFFFF
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CHUNK_SIZE = 0x800
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@ -139,10 +143,8 @@ def pzz_compress(b):
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def pzz_unpack(pzz_path, dest_folder):
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# Script BMS pour les pzz de ps2 (GioGio's adventure) -> https://zenhax.com/viewtopic.php?f=9&t=8724&p=39437#p39437
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if pzz_path.suffix != ".pzz":
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print("WARNING - Unpack : Invalid file format '" + pzz_path.suffix +
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"'; it should be .pzz file format")
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print("WARNING - Unpack : Invalid file format '" + pzz_path.suffix + "'; it should be .pzz file format")
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if dest_folder != Path('.'):
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unpacked_pzz_path = dest_folder
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@ -156,8 +158,7 @@ def pzz_unpack(pzz_path, dest_folder):
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file_count, = unpack(">I", pzz_file.read(4))
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# files_descriptors reçoit un tuple avec l'ensemble des descripteurs de fichiers (groupes d'uint32 big-endian)
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files_descriptors = unpack(">{}I".format(
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file_count), pzz_file.read(file_count * 4))
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files_descriptors = unpack(f">{file_count}I", pzz_file.read(file_count * 4))
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print("File count:", file_count)
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@ -181,8 +182,7 @@ def pzz_unpack(pzz_path, dest_folder):
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file_len = file_descriptor * CHUNK_SIZE
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# On forme le nom du nouveau fichier que l'on va extraire
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filename = "{:03}{}_{}".format(
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index, compression_status, pzz_path.stem)
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filename = "{:03}{}_{}".format(index, compression_status, pzz_path.stem)
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file_path = (unpacked_pzz_path / filename).with_suffix(".dat")
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print("Offset: {:010} - {}".format(offset, file_path.stem))
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@ -210,7 +210,7 @@ def pzz_pack(src_path, dest_file):
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src_files = listdir(src_path)
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# On récupère le nombre total de fichiers
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file_count = int(src_files[-1].split("_")[0][0:3]) + 1
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file_count = int(src_files[-1][0:3]) + 1
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if dest_file != Path('.'):
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if dest_file.suffix != ".pzz":
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@ -227,14 +227,13 @@ def pzz_pack(src_path, dest_file):
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# On écrit les file_descriptor dans le header du PZZ pour chaque fichier
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for src_file_name in src_files:
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index = int(src_file_name.split("_")[0][0:3])
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index = int(src_file_name[0:3])
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# Compression status permet de verrifier si le fichier doit être finalement compressé ou non
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compression_status = src_file_name.split("_")[0][3:4]
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compression_status = src_file_name[3:4]
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# file_descriptor = arrondi supérieur de la taille / CHUNK_SIZE
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file_descriptor = ceil(
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(src_path / src_file_name).stat().st_size / CHUNK_SIZE)
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file_descriptor = ceil((src_path / src_file_name).stat().st_size / CHUNK_SIZE)
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# On ajoute le flag de compression au file_descriptor
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if compression_status == 'C':
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@ -248,8 +247,8 @@ def pzz_pack(src_path, dest_file):
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# On écrit tous les fichiers à la suite du header
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for src_file_name in src_files:
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is_compressed = (len(src_file_name.split("_compressed")) > 1)
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compression_status = src_file_name.split("_")[0][3:4]
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is_compressed = "_compressed" in src_file_name
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compression_status = src_file_name[3:4]
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with (src_path / src_file_name).open("rb") as src_file:
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# Le fichier doit être compressé avant d'être pack
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@ -263,8 +262,7 @@ def pzz_pack(src_path, dest_file):
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# Si le fichier n'est pas compressé, on ajoute le padding pour correspondre à un multiple de CHUNK_SIZE
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if compression_status == 'C' and (pzz_file.tell() % CHUNK_SIZE) > 0:
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pzz_file.write(
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b"\x00" * (CHUNK_SIZE - (pzz_file.tell() % CHUNK_SIZE)))
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pzz_file.write(b"\x00" * (CHUNK_SIZE - (pzz_file.tell() % CHUNK_SIZE)))
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def get_argparser():
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@ -280,12 +278,11 @@ def get_argparser():
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group.add_argument('-u', '--unpack', action='store_true', help='-u source_folder.pzz dest_folder(optionnal) : Unpack the pzz in new folder source_folder')
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group.add_argument('-bp', '--batch-pack', action='store_true', help='-bp source_folder dest_folder(optionnal - if not specified it will pack in source_folder)')
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group.add_argument('-bu', '--batch-unpack', action='store_true', help='-bu source_folder dest_folder(optionnal - if not specified it will unpack in source_folder)')
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# group.add_argument('-a', '-aa', action='store_true', help='sha256')
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group.add_argument('-c', '--compress', action='store_true', help='')
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group.add_argument('-d', '--decompress', action='store_true', help='Unpacked files from PZZ')
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group.add_argument('-c', '--compress', action='store_true', help='')
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group.add_argument('-d', '--decompress', action='store_true', help='Unpacked files from PZZ')
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group.add_argument('-bc', '--batch-compress', action='store_true', help='INPUT relative pattern; e.g. AFS_DATA\\*.bin')
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group.add_argument('-bd', '--batch-decompress', action='store_true', help='INPUT relative pattern; e.g. AFS_DATA\\*_compressed.dat')
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group.add_argument('-di', '--disable-ignore', action='store_true', help="Disable filename ignore")
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group.add_argument('-di', '--disable-ignore', action='store_true', help="Disable filename ignore")
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return parser
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@ -308,8 +305,7 @@ if __name__ == '__main__':
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if (not args.disable_ignore) and ("_uncompressed" in filename):
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if args.verbose:
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print(f"Compressing {filename}")
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recomp_filename = filename.replace(
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"_uncompressed", "_recompressed")
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recomp_filename = filename.replace("_uncompressed", "_recompressed")
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uncompressed = open(path.join(p_input, filename), 'rb')
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recompressed = open(path.join(p_output, filename), 'wb')
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@ -325,8 +321,7 @@ if __name__ == '__main__':
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for filename in listdir(p_input):
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if (not args.disable_ignore) and ("_compressed" in filename):
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print(f"Decompressing {filename}")
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uncomp_filename = filename.replace(
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"_compressed", "_uncompressed")
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uncomp_filename = filename.replace("_compressed", "_uncompressed")
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compressed = open(path.join(p_input, filename), 'rb')
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uncompressed = open(path.join(p_output, uncomp_filename), 'wb')
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@ -346,21 +341,10 @@ if __name__ == '__main__':
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p_output.mkdir(exist_ok=True)
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for folder in listdir(p_input):
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pzz_pack(p_input / folder, p_output /
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Path(folder).with_suffix(".pzz"))
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pzz_pack(p_input / folder, p_output / Path(folder).with_suffix(".pzz"))
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elif args.batch_unpack:
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print("### Batch Unpack")
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p_output.mkdir(exist_ok=True)
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for filename in listdir(p_input):
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pzz_unpack(p_input / filename, p_output / Path(filename).stem)
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"""
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Code pour le developement --> pzztool.py -a a
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compare le sha256 de chaque PZZ du dossier pzz et pzz2 puis affiche le nom de fichier en cas de différence
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import hashlib
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for pzz_file in listdir("pzz"):
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with open("pzz/"+pzz_file, "rb") as f1, open("pzz2/"+pzz_file, "rb") as f2:
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if hashlib.sha256( f1.read() ).hexdigest() != hashlib.sha256( f2.read() ).hexdigest() :
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print(pzz_file)
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"""
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