scripts/export_messages.py

#!/usr/bin/env python3
import json
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
source = ROOT / "data" / "all.jsonl"
target = ROOT / "data" / "messages_sft.jsonl"

with source.open(encoding="utf-8") as src, target.open("w", encoding="utf-8") as dst:
    for line in src:
        record = json.loads(line)
        dst.write(json.dumps({"id": record["id"], "messages": record["messages"]}, ensure_ascii=False) + "\n")

print(target)