| """Shared dataset metadata and hashing helpers for split-building scripts. | |
| The public release ships the frozen 674-task corpus in ``data/tasks_674.jsonl``. | |
| The split builders import this module for the canonical path, checksum, and a | |
| streaming SHA-256 implementation; generation inputs such as Beam/BFS result | |
| files remain optional research artifacts and are not required for evaluation. | |
| """ | |
| from __future__ import annotations | |
| import hashlib | |
| from pathlib import Path | |
| SOURCE_RELATIVE_PATH = "data/tasks_674.jsonl" | |
| SOURCE_SHA256 = "6927d49e1a7d6e6283085fc3e962dd2b2f2afdb0e448c6bc6a7b32d9a7988a72" | |
| def sha256_file(path: Path) -> str: | |
| """Return the SHA-256 digest of *path* without loading it into memory.""" | |
| digest = hashlib.sha256() | |
| with path.open("rb") as handle: | |
| for chunk in iter(lambda: handle.read(1024 * 1024), b""): | |
| digest.update(chunk) | |
| return digest.hexdigest() | |