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Fix .pbpack unpacking of user applications #280

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Fix .pbpack unpacking of user applications #280

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19bdd82
tools/pbpack.py: match __init__ and deserialize is_system default
pacjo Sep 11, 2025
9f528ac
tools/unpack.py: support --app flag
pacjo Sep 11, 2025
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2 changes: 1 addition & 1 deletion tools/pbpack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,7 @@ def dump(self):
for i, entry in enumerate(self.table_entries, start=1):
print(' %u: Offset %u Length %u CRC 0x%x' % (i, entry.offset, entry.length, entry.crc))

def __init__(self, is_system):
def __init__(self, is_system=True):
self.table_size = 512 if is_system else 256
self.content_start = self.MANIFEST_SIZE_BYTES + self.table_size * self.TABLE_ENTRY_SIZE_BYTES

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6 changes: 5 additions & 1 deletion tools/unpack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,15 @@
def main():
parser = argparse.ArgumentParser(description=
'Unpack pbpacked data to recover original file content.')

parser.add_argument('pbpack', type=str, help='app_resources.pbpack file to unpack')
parser.add_argument('--app', default=False, action='store_true',
help='Indicate this pbpack is an app pbpack')

args = parser.parse_args()

if os.path.exists(args.pbpack):
resource_pack = ResourcePack().deserialize(open(args.pbpack,'rb'))
resource_pack = ResourcePack().deserialize(open(args.pbpack,'rb'), is_system=not args.app)
for idx, resource_data in enumerate(resource_pack.contents):
with open(str(idx) + '.dat','wb') as outfile:
outfile.write(resource_data)
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