def _integrity_core()

in atr/tasks/checks/targz.py [0:0]

• 13 lines of code
• 6 McCabe index (conditional complexity)

def _integrity_core(tgz_path: str, chunk_size: int = 4096) -> int:
    """Verify a .tar.gz file and compute its uncompressed size."""
    total_size = 0

    with tarfile.open(tgz_path, mode="r|gz") as tf:
        for member in tf:
            # Do not skip metadata here
            total_size += member.size
            # Verify file by extraction
            if member.isfile():
                f = tf.extractfile(member)
                if f is not None:
                    while True:
                        data = f.read(chunk_size)
                        if not data:
                            break
    return total_size