| """gen_hf6 — LegalBench contract/policy tasks -> Alea rows. |
| |
| contract_nli_*: real contract clause + hypothesis -> yes/no (noul). |
| cuad_*: clause text -> does it contain provision type X (noul) and |
| clause-type routing (choice). |
| Small per-config but real legal text — complements synthetic policy data. |
| """ |
| import random |
| from datasets import load_dataset, get_dataset_config_names |
|
|
| from alea.genbase import emit, q_choice, q_noul, validate_row, write_jsonl |
|
|
| rng = random.Random(0) |
|
|
|
|
| def _slug2words(s): |
| return s.replace("_", " ").replace("-", " ") |
|
|
|
|
| def gen_legalbench(out, max_rows=15000): |
| cfgs = get_dataset_config_names("nguha/legalbench") |
| keep = [c for c in cfgs if c.startswith(("contract_nli", "cuad"))] |
| rows, i = [], 0 |
| for cfg in keep: |
| try: |
| ds = load_dataset("nguha/legalbench", cfg, split="train") |
| except Exception: |
| try: |
| ds = load_dataset("nguha/legalbench", cfg, |
| split="test") |
| except Exception as e: |
| print("skip", cfg, str(e)[:60]) |
| continue |
| topic = _slug2words(cfg.split("_", 2)[-1] |
| if cfg.startswith("cuad") else |
| cfg.replace("contract_nli_", "")) |
| got = 0 |
| for ex in ds: |
| text = str(ex.get("text", ""))[:2500] |
| ans = str(ex.get("answer", "")).strip().lower() |
| if len(text) < 80 or ans not in ("yes", "no"): |
| continue |
| if cfg.startswith("contract_nli"): |
| state = ("Contract clause under review (NDA excerpt):\n" |
| + text) |
| instr = (f"Based only on the clause text, is it accurate " |
| f"that the agreement includes obligations related " |
| f"to: {topic}?") |
| qs = [q_noul("holds", instr, 1.0 if ans == "yes" else 0.0)] |
| else: |
| state = ("Contract clause under review:\n" + text) |
| instr = (f"Does this clause contain a provision about " |
| f"{topic}?") |
| qs = [q_noul("contains", instr, |
| 1.0 if ans == "yes" else 0.0)] |
| row = emit(f"lb_{cfg[:24]}", i, state, qs) |
| try: |
| validate_row(row) |
| rows.append(row) |
| i += 1 |
| got += 1 |
| except AssertionError: |
| continue |
| if got: |
| print(cfg, got) |
| rng.shuffle(rows) |
| write_jsonl(rows[:max_rows], out) |
| print("legalbench:", len(rows[:max_rows])) |
|
|
|
|
| def main(): |
| import sys |
| gen_legalbench("data/hf6_legal.jsonl", |
| int(sys.argv[1]) if len(sys.argv) > 1 else 15000) |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
