Datasets:
File size: 3,773 Bytes
d847043 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | """用老师再检查一遍：这条 SQL 真的回答了那个问题吗？
执行能通过不等于答对，比如问「每个年级的平均工资」却给个 join 出来的 salary 列表。
这里让模型逐条判断，判错的直接剔掉。
python verify.py --data data/school.jsonl
"""
import argparse
import json
import os
import re
import sqlite3
from pathlib import Path
from teacher import post_with_retry
# 包里脚本在 scripts/，schemas/ data/ 在上一级；GitHub 仓库是平铺的，两种都认
ROOT = Path(__file__).resolve().parent
if not (ROOT / "schemas").is_dir():
ROOT = ROOT.parent
API = "https://api.deepseek.com/chat/completions"
def find_schema(db: str) -> Path:
for p in (ROOT / "schemas").rglob(f"{db}.sql"):
return p
raise FileNotFoundError(db)
PROMPT = """下面是一组「中文问题 + SQLite 查询」。逐条判断这条 SQL 是否准确回答了问题。
{rows}
判断标准：
- 该查的字段、该做的聚合、该有的过滤条件都在，才算对
- 多查了无关字段但仍是同一件事，算对
- 少条件、聚合错、表连错、语义跑偏，算错
- 问题有歧义时，按最自然的理解判断
只输出 JSON：{{"verdicts": [{{"i": 1, "ok": true, "why": "一句话理由"}}]}}"""
def api_key() -> str:
"""DeepSeek 的 key 从环境变量 DEEPSEEK_API_KEY 读，不写进代码和仓库。"""
key = os.environ.get("DEEPSEEK_API_KEY", "").strip()
if not key:
raise SystemExit("先设置环境变量 DEEPSEEK_API_KEY")
return key
def judge(batch: list[dict], ddl: str, key: str) -> dict[int, bool]:
rows = "\n".join(
f'{i+1}. 问题：{b["question"]}\n SQL：{b["sql"]}' for i, b in enumerate(batch)
)
payload = {
"model": "deepseek-chat",
"messages": [
{"role": "system", "content": "你只输出 JSON。"},
{"role": "user", "content": f"建表语句：\n{ddl}\n\n{PROMPT.format(rows=rows)}"},
],
"temperature": 0.0,
"max_tokens": 2000,
"response_format": {"type": "json_object"},
}
try:
data = json.loads(post_with_retry(payload, key))
except json.JSONDecodeError:
# 判不出来就整批先留着（下面 verdict.get(i, True)），打一行提示，别让一批坏 JSON 把整个文件的进度丢掉
print(f"这一批 {len(batch)} 条的判定 JSON 坏了，先保留", flush=True)
return {}
out = {}
for v in data.get("verdicts") or []:
try:
out[int(v["i"])] = bool(v.get("ok"))
except Exception: # noqa: BLE001
continue
return out
def main() -> None:
ap = argparse.ArgumentParser()
ap.add_argument("--data", required=True)
ap.add_argument("--batch", type=int, default=15)
ap.add_argument("--keep-all", action="store_true")
args = ap.parse_args()
path = Path(args.data)
items = [json.loads(l) for l in path.read_text(encoding="utf-8").splitlines() if l.strip()]
key = api_key()
kept = []
for start in range(0, len(items), args.batch):
batch = items[start:start + args.batch]
ddl = find_schema(batch[0]["db"]).read_text(encoding="utf-8")
verdict = judge(batch, ddl, key)
for i, it in enumerate(batch, 1):
if verdict.get(i, True):
kept.append(it)
else:
print(f"剔除：{it['question']} | {it['sql'][:70]}", flush=True)
print(f"{min(start+args.batch, len(items))}/{len(items)} 留下 {len(kept)}", flush=True)
path.write_text("\n".join(json.dumps(k, ensure_ascii=False) for k in kept) + "\n", encoding="utf-8")
print(f"完成：{len(items)} → {len(kept)}")
if __name__ == "__main__":
main()
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