| |
| import argparse |
| from pathlib import Path |
| import json |
| from encryption_utils import derive_key, decrypt_text |
|
|
| def main(): |
| parser = argparse.ArgumentParser(description="Batch decrypt BCV3 JSONL") |
| parser.add_argument("--input", required=True, help="Path to train.jsonl (or archived bcv3_encrypted.jsonl)") |
| parser.add_argument("--key-file", required=True, help="Path to a text file containing passphrase") |
| parser.add_argument("--output-dir", required=True, help="Directory to write per-sample JSON") |
| parser.add_argument("--keep-encrypted", action="store_true", help="Keep encrypted fields in output") |
| args = parser.parse_args() |
|
|
| key_str = Path(args.key_file).read_text(encoding="utf-8").strip() |
| key = derive_key(key_str) |
|
|
| out_dir = Path(args.output_dir) |
| out_dir.mkdir(parents=True, exist_ok=True) |
|
|
| count = 0 |
| total = 0 |
| with Path(args.input).open("r", encoding="utf-8") as f: |
| for line in f: |
| if not line.strip(): |
| continue |
| total += 1 |
| obj = json.loads(line) |
|
|
| |
| if "encrypted_data" in obj: |
| enc = obj.get("encrypted_data", {}) |
| question = decrypt_text(enc.get("question", {}), key) |
| answer = decrypt_text(enc.get("answer", {}), key) |
| elif "encrypted_question" in obj: |
| enc_q = json.loads(obj.get("encrypted_question", "{}")) |
| enc_a = json.loads(obj.get("encrypted_answer", "{}")) |
| question = decrypt_text(enc_q, key) |
| answer = decrypt_text(enc_a, key) |
| else: |
| print(f"Warning: Unrecognized format in record {total}, skipping...") |
| continue |
|
|
| out_obj = obj.copy() |
| out_obj["question"] = question |
| out_obj["answer"] = answer |
|
|
| if not args.keep_encrypted: |
| out_obj.pop("encrypted_data", None) |
| out_obj.pop("encrypted_question", None) |
| out_obj.pop("encrypted_answer", None) |
| out_obj.pop("trajectory", None) |
|
|
| out_path = out_dir / f"{obj.get('id')}.json" |
| out_path.write_text(json.dumps(out_obj, ensure_ascii=False, indent=2), encoding="utf-8") |
| count += 1 |
|
|
| print(f"Decrypted {count}/{total} samples and wrote to {out_dir}") |
|
|
| if __name__ == "__main__": |
| main() |
|
|
