| """单字识别（Recognition）打分：Exact Match Accuracy。 | |
| GT 来自 infer 阶段写入 ``infer_results["单字识别"]["gt_char"]``。 | |
| """ | |
| from __future__ import annotations | |
| def _norm(s: str) -> str: | |
| return (s or "").strip().strip("。.；;，,\"'“”‘’《》<>()（）【】[]{}!?！？:：`·～~") | |
| def judge(extract: dict, row: dict) -> dict: | |
| pred = str((extract or {}).get("char", "") or "").strip() | |
| infer_results = row.get("infer_results") or {} | |
| task_rec = infer_results.get("单字识别") or {} | |
| gt = str(task_rec.get("gt_char", "") or "").strip() | |
| if not gt: | |
| return {"score": 0.0, "metric": "exact_match", "gt": "", "pred": pred, "error": "no_gt"} | |
| score = 1.0 if _norm(pred) == _norm(gt) else 0.0 | |
| return {"score": score, "metric": "exact_match", "gt": gt, "pred": pred} | |