Update project and configurations
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Zou-Seay
275
intelligent_cabin/archive/scripts/eval_joint_nlu_independent.py
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275
intelligent_cabin/archive/scripts/eval_joint_nlu_independent.py
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from __future__ import annotations
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import argparse
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import json
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import sys
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from collections import Counter, defaultdict
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from pathlib import Path
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PROJECT_ROOT = Path(__file__).resolve().parents[1]
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if str(PROJECT_ROOT) not in sys.path:
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sys.path.insert(0, str(PROJECT_ROOT))
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from app.core.bootstrap import build_intent_registry
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from app.services.joint_nlu import JointBertNLU
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TEST_PATH = PROJECT_ROOT / "app/data/joint_nlu_eval_independent.jsonl"
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MODEL_DIR = PROJECT_ROOT / "models/local_joint_bert_nlu"
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REPORT_DIR = PROJECT_ROOT / "reports"
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RESULT_PATH = REPORT_DIR / "joint_nlu_independent_result.json"
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REPORT_PATH = REPORT_DIR / "joint_nlu_independent_report.md"
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TRAIN_SUMMARY_PATH = MODEL_DIR / "train_summary.json"
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def load_cases(file_path: Path) -> list[dict[str, object]]:
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cases: list[dict[str, object]] = []
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for line in file_path.read_text(encoding="utf-8").splitlines():
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line = line.strip()
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if not line:
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continue
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payload = json.loads(line)
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expected_intent_id = str(payload.get("expected_intent_id") or payload.get("intent_id") or "").strip()
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if not expected_intent_id:
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continue
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cases.append(
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{
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"text": str(payload["text"]),
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"expected_intent_id": expected_intent_id,
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"expected_slots": dict(payload.get("expected_slots") or {}),
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"category": str(payload.get("category") or "unknown"),
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}
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)
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return cases
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def load_train_summary(file_path: Path) -> dict[str, object]:
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if not file_path.exists():
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return {}
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return json.loads(file_path.read_text(encoding="utf-8"))
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def compare_slots(expected: dict[str, object], predicted: dict[str, object]) -> dict[str, object]:
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expected_keys = set(expected)
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predicted_keys = set(predicted)
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missing_keys = sorted(expected_keys - predicted_keys)
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extra_keys = sorted(predicted_keys - expected_keys)
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wrong_values: list[dict[str, object]] = []
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matched_keys = 0
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for key in sorted(expected_keys & predicted_keys):
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if expected[key] == predicted[key]:
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matched_keys += 1
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else:
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wrong_values.append(
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{
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"slot_name": key,
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"expected": expected[key],
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"predicted": predicted[key],
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}
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)
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exact = not missing_keys and not extra_keys and not wrong_values
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return {
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"missing_keys": missing_keys,
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"extra_keys": extra_keys,
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"wrong_values": wrong_values,
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"matched_keys": matched_keys,
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"exact": exact,
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}
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def compute_metrics(results: list[dict[str, object]]) -> dict[str, float]:
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total = len(results)
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intent_correct = sum(1 for item in results if item["intent_ok"])
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slot_exact = sum(1 for item in results if item["slot_exact"])
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joint_exact = sum(1 for item in results if item["joint_ok"])
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slot_tp = 0
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slot_fp = 0
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slot_fn = 0
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for item in results:
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expected = dict(item["expected_slots"])
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predicted = dict(item["predicted_slots"])
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expected_keys = set(expected)
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predicted_keys = set(predicted)
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slot_tp += sum(1 for key in expected_keys & predicted_keys if expected[key] == predicted[key])
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slot_fp += len(predicted_keys - expected_keys)
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slot_fn += len(expected_keys - predicted_keys)
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slot_fp += sum(1 for key in expected_keys & predicted_keys if expected[key] != predicted[key])
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slot_fn += sum(1 for key in expected_keys & predicted_keys if expected[key] != predicted[key])
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precision = slot_tp / (slot_tp + slot_fp) if (slot_tp + slot_fp) else 0.0
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recall = slot_tp / (slot_tp + slot_fn) if (slot_tp + slot_fn) else 0.0
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slot_f1 = (2 * precision * recall / (precision + recall)) if (precision + recall) else 0.0
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return {
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"intent_accuracy": round(intent_correct / total, 4) if total else 0.0,
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"slot_exact_match": round(slot_exact / total, 4) if total else 0.0,
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"joint_exact_match": round(joint_exact / total, 4) if total else 0.0,
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"slot_micro_precision": round(precision, 4),
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"slot_micro_recall": round(recall, 4),
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"slot_micro_f1": round(slot_f1, 4),
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}
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def summarize_by_category(results: list[dict[str, object]]) -> list[dict[str, object]]:
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grouped: dict[str, list[dict[str, object]]] = defaultdict(list)
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for item in results:
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grouped[str(item["category"])].append(item)
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summary: list[dict[str, object]] = []
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for category, items in sorted(grouped.items()):
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summary.append(
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{
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"category": category,
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"sample_count": len(items),
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"metrics": compute_metrics(items),
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}
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)
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return summary
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def collect_top_confusions(results: list[dict[str, object]], limit: int = 12) -> list[dict[str, object]]:
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counter: Counter[tuple[str, str]] = Counter()
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for item in results:
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if item["intent_ok"]:
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continue
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counter[(str(item["expected_intent_id"]), str(item["predicted_intent_id"]))] += 1
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return [
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{"expected": expected, "predicted": predicted, "count": count}
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for (expected, predicted), count in counter.most_common(limit)
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]
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def collect_failures(results: list[dict[str, object]], limit: int = 20) -> list[dict[str, object]]:
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failures = [item for item in results if not item["joint_ok"]]
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def sort_key(item: dict[str, object]) -> tuple[int, int, int]:
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slot_errors = len(item["slot_diff"]["missing_keys"]) + len(item["slot_diff"]["extra_keys"]) + len(item["slot_diff"]["wrong_values"])
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return (0 if item["intent_ok"] else 1, slot_errors, len(str(item["text"])))
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return sorted(failures, key=sort_key, reverse=True)[:limit]
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def main() -> None:
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parser = argparse.ArgumentParser(description="Joint NLU 独立评测与失败样例回放")
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parser.add_argument("--test-path", type=str, default=str(TEST_PATH), help="评测集路径")
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parser.add_argument("--model-path", type=str, default=str(MODEL_DIR), help="Joint NLU 模型路径")
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parser.add_argument("--result-path", type=str, default=str(RESULT_PATH), help="结构化结果输出路径")
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parser.add_argument("--report-path", type=str, default=str(REPORT_PATH), help="Markdown 报告输出路径")
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args = parser.parse_args()
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cases = load_cases(Path(args.test_path))
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registry = build_intent_registry()
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nlu = JointBertNLU(model_path=args.model_path)
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results: list[dict[str, object]] = []
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for case in cases:
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prediction = nlu.predict(str(case["text"]), registry.list())
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predicted_slots = dict(prediction.slots)
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slot_diff = compare_slots(dict(case["expected_slots"]), predicted_slots)
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predicted_intent_id = prediction.intent_id or "None"
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intent_ok = predicted_intent_id == case["expected_intent_id"]
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joint_ok = intent_ok and bool(slot_diff["exact"])
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results.append(
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{
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"text": case["text"],
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"category": case["category"],
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"expected_intent_id": case["expected_intent_id"],
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"predicted_intent_id": predicted_intent_id,
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"expected_slots": case["expected_slots"],
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"predicted_slots": predicted_slots,
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"intent_score": round(prediction.intent_score, 4),
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"intent_ok": intent_ok,
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"slot_exact": bool(slot_diff["exact"]),
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"joint_ok": joint_ok,
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"slot_diff": slot_diff,
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"top_candidates": [
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{"intent_id": item.intent_id, "score": round(item.score, 4)}
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for item in prediction.candidates
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],
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}
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)
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summary = {
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"model_path": args.model_path,
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"test_path": args.test_path,
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"sample_count": len(results),
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"metrics": compute_metrics(results),
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"per_category": summarize_by_category(results),
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"top_confusions": collect_top_confusions(results),
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"failure_examples": collect_failures(results),
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"train_summary": load_train_summary(TRAIN_SUMMARY_PATH),
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"results": results,
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}
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REPORT_DIR.mkdir(parents=True, exist_ok=True)
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Path(args.result_path).write_text(json.dumps(summary, ensure_ascii=False, indent=2), encoding="utf-8")
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Path(args.report_path).write_text(render_report(summary), encoding="utf-8")
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print(json.dumps({"sample_count": summary["sample_count"], "metrics": summary["metrics"]}, ensure_ascii=False))
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def render_report(summary: dict[str, object]) -> str:
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metrics = summary["metrics"]
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per_category = summary["per_category"]
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confusions = summary["top_confusions"]
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failures = summary["failure_examples"]
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train_summary = summary.get("train_summary") or {}
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lines = [
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"# Joint NLU 独立评测报告",
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"",
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"## 概览",
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f"- 模型目录：`{summary['model_path']}`",
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f"- 评测集：`{summary['test_path']}`",
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f"- 样本数：`{summary['sample_count']}`",
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f"- `intent_accuracy`：`{metrics['intent_accuracy']}`",
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f"- `slot_exact_match`：`{metrics['slot_exact_match']}`",
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f"- `joint_exact_match`：`{metrics['joint_exact_match']}`",
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f"- `slot_micro_precision`：`{metrics['slot_micro_precision']}`",
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f"- `slot_micro_recall`：`{metrics['slot_micro_recall']}`",
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f"- `slot_micro_f1`：`{metrics['slot_micro_f1']}`",
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"",
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"## 训练摘要",
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]
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if train_summary:
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lines.extend(
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[
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f"- 训练集 / 评测集：`{train_summary.get('train_size', 'unknown')} / {train_summary.get('eval_size', 'unknown')}`",
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f"- 训练阶段 `intent_accuracy`：`{train_summary.get('metrics', {}).get('intent_accuracy', 'unknown')}`",
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f"- 训练阶段 `slot_exact_match`：`{train_summary.get('metrics', {}).get('slot_exact_match', 'unknown')}`",
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"",
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]
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)
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else:
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lines.extend(["- 未找到训练摘要。", ""])
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lines.extend(["## 分类别结果"])
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for item in per_category:
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category_metrics = item["metrics"]
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lines.append(
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f"- `{item['category']}`: count={item['sample_count']} intent_acc={category_metrics['intent_accuracy']} slot_exact={category_metrics['slot_exact_match']} joint_exact={category_metrics['joint_exact_match']}"
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)
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lines.extend(["", "## 主要意图混淆"])
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if not confusions:
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lines.append("- 未发现意图混淆。")
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else:
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for item in confusions:
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lines.append(f"- 期望 `{item['expected']}`，预测成 `{item['predicted']}`：`{item['count']}` 次")
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lines.extend(["", "## 失败样例回放"])
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if not failures:
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lines.append("- 无失败样例。")
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else:
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for item in failures:
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slot_diff = item["slot_diff"]
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lines.append(
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f"- 文本：`{item['text']}` | 类别：`{item['category']}` | 期望意图：`{item['expected_intent_id']}` | 预测意图：`{item['predicted_intent_id']}` | 期望槽位：`{item['expected_slots']}` | 预测槽位：`{item['predicted_slots']}` | 缺失槽位：`{slot_diff['missing_keys']}` | 多出槽位：`{slot_diff['extra_keys']}`"
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)
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lines.extend(
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[
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"",
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"## 结论",
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"- 先看 `failure_replay` 是否仍然错，能直接判断先前多意图失败到底是联合模型本体问题还是上层组合问题。",
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"- 若 `slot_music` 或 `slot_destination` 仍不稳，优先补 span 标注，不要回退到规则抽槽。",
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"- 若 `no_slot_control` 很稳但 `failure_replay` 中仍有大量错误，下一步应补长尾控制语义数据，而不是急着上更复杂结构。",
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"",
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]
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)
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return "\n".join(lines)
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if __name__ == "__main__":
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main()
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