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被评数字员工响应普遍逼近 30s 硬编码轮询超时，越线的轮次被记为无回复 （run 427b14bb round 2 实测 31.4s 超时）。新增 AGENTEVAL_POLL_REPLY_TIMEOUT（默认 30s），engine 未显式传入 timeout_config 时从 settings 取值，慢目标可放宽。
618 lines
23 KiB
Python
618 lines
23 KiB
Python
"""Evaluation execution engine.
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Async-first implementation: channels and LLM calls are awaited cooperatively,
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so multiple cases can run concurrently and a run can be cancelled mid-flight
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via an ``asyncio.Event`` cancel token.
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"""
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import asyncio
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import uuid
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from dataclasses import dataclass
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from typing import Any, Callable, Optional
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from agenteval.channels.base import EvalChannel
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from agenteval.channels.factory import ChannelFactory
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from agenteval.config import get_settings
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from agenteval.evaluation.judgement import CaseOutcome, RuleOutcome, combine_case_outcome
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from agenteval.evaluation.rules import RuleResult, get_rule
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from agenteval.model_gateway import ModelGateway
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from agenteval.models import (
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Case,
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CaseType,
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EvalResult,
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EvalRun,
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EvalTarget,
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ModelCapability,
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ModelPurpose,
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RunStatus,
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RunTrigger,
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Scenario,
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Turn,
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)
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from agenteval.services.model_configs import ModelConfigService, ModelRuntimeConfig
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from agenteval.storage.db import get_session, utc_now
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from agenteval.storage.repository import ResultRepository, RunRepository
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from agenteval.utils.llm import extract_reply_text, parse_json_from_llm_text
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# Progress callbacks may be sync or async; the engine awaits the result if
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# it is a coroutine, otherwise treats it as a plain function.
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ProgressCallback = Callable[[str, dict[str, Any]], Any]
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class CancelledError(RuntimeError):
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"""Raised inside the engine when the cancel token fires."""
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@dataclass
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class TimeoutConfig:
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"""Per-operation timeouts (all in seconds)."""
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poll_reply: float = 30.0
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llm_generate: float = 60.0
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def _build_send_message(content: str) -> dict[str, Any]:
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return {
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"msgType": "text",
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"msgBody": {"content": content},
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}
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class EvalEngine:
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"""Execute evaluation scenarios against targets.
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The engine is async so the (slow, network-bound) channel and LLM calls
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can be awaited cooperatively. Database writes remain synchronous for now
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(SQLite + StaticPool); they are fast enough not to block the event loop
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in practice.
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"""
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def __init__(
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self,
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target: EvalTarget,
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scenario: Scenario,
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session=None,
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run_repo: Optional[RunRepository] = None,
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result_repo: Optional[ResultRepository] = None,
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cancel_token: Optional[asyncio.Event] = None,
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timeout_config: Optional[TimeoutConfig] = None,
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max_concurrent_cases: int = 1,
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triggered_by: RunTrigger = RunTrigger.MANUAL,
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):
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self.target = target
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self.scenario = scenario
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self.channel: EvalChannel = ChannelFactory.create(target)
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self.session = session or get_session()
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self.run_repo = run_repo or RunRepository(self.session)
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self.result_repo = result_repo or ResultRepository(self.session)
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self.cancel_token = cancel_token or asyncio.Event()
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self.timeout_config = timeout_config or TimeoutConfig(
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poll_reply=get_settings().poll_reply_timeout,
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)
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self.triggered_by = triggered_by
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self._case_semaphore = asyncio.Semaphore(max(1, max_concurrent_cases))
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# Collects fatal case-level errors (e.g. dynamic message generation
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# failures) so their cause is persisted into run.summary — not just
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# emitted transiently over WebSocket.
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self._case_errors: list[dict[str, str]] = []
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self.model_gateway = ModelGateway(timeout=self.timeout_config.llm_generate)
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self.model_service = ModelConfigService(self.session)
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self._resolved_models: dict[ModelPurpose, ModelRuntimeConfig] = {}
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# ── public entry point ────────────────────────────────────────────
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async def run(
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self,
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progress_callback: Optional[ProgressCallback] = None,
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existing_run: Optional[EvalRun] = None,
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) -> EvalRun:
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"""Run the evaluation and return the completed run record.
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Cancellation is cooperative: set ``cancel_token`` and the engine will
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mark the run as FAILED with ``cancelled_by_user`` at the next checkpoint.
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"""
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if existing_run:
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run = existing_run
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run.status = RunStatus.RUNNING
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run.started_at = utc_now()
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run = self.run_repo.update(run) or run
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else:
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run = EvalRun(
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id=str(uuid.uuid4()),
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target_id=self.target.id or "",
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scenario_id=self.scenario.id or "",
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scenario_version=self.scenario.version or 1,
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status=RunStatus.RUNNING,
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triggered_by=self.triggered_by,
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started_at=utc_now(),
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)
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run = self.run_repo.create(run)
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try:
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total_cases = len(self.scenario.cases)
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passed_cases = 0
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failed_cases = 0
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case_outcomes: dict[str, dict[str, bool]] = {}
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for idx, case in enumerate(self.scenario.cases, start=1):
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self._check_cancel()
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await self._emit(
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progress_callback,
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"case_start",
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{
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"index": idx,
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"total": total_cases,
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"case_id": case.id,
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},
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)
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async with self._case_semaphore:
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outcome, rule_pass, rule_total = await self._run_case(
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run,
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case,
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progress_callback,
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)
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case_outcomes[case.id] = {"passed": outcome.passed, "connectivity": outcome.connectivity}
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if outcome.passed:
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passed_cases += 1
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else:
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failed_cases += 1
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await self._emit(
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progress_callback,
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"case_end",
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{
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"index": idx,
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"total": total_cases,
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"case_id": case.id,
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"passed": outcome.passed,
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"rule_pass_count": rule_pass,
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"rule_total": rule_total,
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},
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)
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results = self.run_repo.get_results(run.id)
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total_rules = len(results)
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passed_rules = sum(1 for r in results if r.passed)
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summary = {
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"total_cases": total_cases,
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"passed_cases": passed_cases,
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"failed_cases": failed_cases,
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"total_rules": total_rules,
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"passed_rules": passed_rules,
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# 通过率是用例级口径（CONTEXT.md）；规则级数字保留在 passed_rules/total_rules
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"pass_rate": round(passed_cases / total_cases, 4) if total_cases else 0.0,
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# 逐用例权威判定（judgement.py 算一次），报告/对比/渲染层只读不重算
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"case_outcomes": case_outcomes,
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}
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# Surface fatal case-level errors (e.g. dynamic generation failures)
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# so the report / DB record shows *why* a run produced no results.
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if self._case_errors:
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summary["case_errors"] = self._case_errors
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if self._resolved_models:
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summary["model_configs"] = {
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purpose.value: config.snapshot() for purpose, config in self._resolved_models.items()
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}
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run.status = RunStatus.COMPLETED
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run.completed_at = utc_now()
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run.summary = summary
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await self._emit(
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progress_callback,
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"run_completed",
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{
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"status": "completed",
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"summary": summary,
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},
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)
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except CancelledError:
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run.status = RunStatus.FAILED
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run.completed_at = utc_now()
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run.summary = {
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"error": {"code": "cancelled_by_user", "message": "评测已手动停止"},
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}
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await self._emit(
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progress_callback,
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"run_completed",
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{
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"status": "failed",
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"reason": "cancelled",
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"error": {"code": "cancelled_by_user", "message": "评测已手动停止"},
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},
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)
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except Exception as exc:
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run.status = RunStatus.FAILED
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run.completed_at = utc_now()
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run.summary = {"error": str(exc)}
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await self._emit(progress_callback, "error", {"error": str(exc)})
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await self._emit(
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progress_callback,
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"run_completed",
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{
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"status": "failed",
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"error": str(exc),
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},
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)
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raise
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finally:
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run = self.run_repo.update(run) or run
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# Best-effort cleanup of the channel's HTTP client.
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close = getattr(self.channel, "close", None)
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if callable(close):
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try:
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result = close()
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if asyncio.iscoroutine(result):
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await result
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except Exception:
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pass
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try:
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self.session.close()
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except Exception:
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pass
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return run
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# ── case / turn execution ─────────────────────────────────────────
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async def _run_case(
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self,
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run: EvalRun,
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case: Case,
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progress_callback: Optional[ProgressCallback],
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) -> tuple[CaseOutcome, int, int]:
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"""Run a single case; returns (outcome, passed_rules, total_rules)."""
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failed = CaseOutcome(passed=False, connectivity=False)
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if case.type == CaseType.DYNAMIC:
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generated = await self._generate_messages(case, progress_callback)
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if not generated:
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await self._emit(
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progress_callback,
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"error",
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{
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"error": "LLM 未能生成测试消息",
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"case_id": case.id,
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},
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)
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return failed, 0, 0
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case = case.model_copy(update={"messages": generated})
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dialog: list[Turn] = []
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for round_index, message in enumerate(case.messages, start=1):
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self._check_cancel()
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await self._emit(
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progress_callback,
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"turn_start",
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{
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"run_id": run.id,
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"case_id": case.id,
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"round": round_index,
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"message": message,
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},
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)
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sent_at = utc_now()
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send_result = await self.channel.send(message)
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if not send_result.ok:
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turn = Turn(
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id=str(uuid.uuid4()),
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run_id=run.id,
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case_id=case.id,
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round_index=round_index,
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sent_message=_build_send_message(message),
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sent_at=sent_at,
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)
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self.result_repo.save_turn(turn)
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await self._save_rule_results(run, case, turn, [], progress_callback)
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await self._emit(
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progress_callback,
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"turn_error",
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{
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"case_id": case.id,
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"round": round_index,
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"error": send_result.error,
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},
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)
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return failed, 0, 0
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try:
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reply = await self.channel.poll_reply(
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send_result.question_msg_id or "",
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timeout=self.timeout_config.poll_reply,
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)
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except Exception as poll_exc:
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received_at = utc_now()
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turn = Turn(
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id=str(uuid.uuid4()),
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run_id=run.id,
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case_id=case.id,
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round_index=round_index,
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sent_message=_build_send_message(message),
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sent_at=sent_at,
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question_msg_id=send_result.question_msg_id,
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received_at=received_at,
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)
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self.result_repo.save_turn(turn)
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await self._emit(
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progress_callback,
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"turn_error",
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{
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"case_id": case.id,
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"round": round_index,
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"error": f"poll_reply 异常: {poll_exc}",
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},
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)
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return failed, 0, 0
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received_at = utc_now()
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latency_ms = None
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if sent_at and received_at:
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latency_ms = int((received_at - sent_at).total_seconds() * 1000)
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turn = Turn(
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id=str(uuid.uuid4()),
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run_id=run.id,
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case_id=case.id,
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round_index=round_index,
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sent_message=_build_send_message(message),
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sent_at=sent_at,
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question_msg_id=send_result.question_msg_id,
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reply=reply.raw_message if reply else None,
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received_at=received_at,
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latency_ms=latency_ms,
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)
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self.result_repo.save_turn(turn)
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dialog.append(turn)
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await self._emit(
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progress_callback,
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"turn_end",
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{
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"run_id": run.id,
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"case_id": case.id,
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"round": round_index,
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"latency_ms": latency_ms,
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"reply_text": extract_reply_text(reply.raw_message if reply else None),
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},
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)
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if not dialog:
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return failed, 0, 0
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return await self._save_rule_results(run, case, dialog[-1], dialog, progress_callback)
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async def _save_rule_results(
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self,
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run: EvalRun,
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case: Case,
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turn: Turn,
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dialog: list[Turn],
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progress_callback: Optional[ProgressCallback],
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) -> tuple[CaseOutcome, int, int]:
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"""Apply rules and save results; returns (outcome, passed_count, total_count).
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判定组合本身在 judgement.combine_case_outcome（单一权威）——
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本方法只负责执行规则、持久化结果并把规则输出规范化为 RuleOutcome。
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"""
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from agenteval.models import EvalRuleConfig
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rules_config: list[EvalRuleConfig] = list(case.eval_rules)
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implicit_config: list[EvalRuleConfig] = []
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if case.expectations.response_time_max_ms:
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implicit_config.append(
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EvalRuleConfig(
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type="response_time",
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params={
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"max_ms": case.expectations.response_time_max_ms,
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},
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)
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)
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if case.expectations.keywords_include or case.expectations.keywords_exclude:
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implicit_config.append(
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EvalRuleConfig(
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type="keyword_match",
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params={
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"keywords": case.expectations.keywords_include,
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"exclude_keywords": case.expectations.keywords_exclude,
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},
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)
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)
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all_replied = bool(dialog) and all(t.reply is not None for t in dialog)
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if not rules_config and not implicit_config:
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# 连通用例：收到全部回复才通过（无回复=故障，ADR-0002）
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return combine_case_outcome(all_replied=all_replied), 0, 0
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passed_count = 0
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total_count = 0
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explicit_outcomes: list[RuleOutcome] = []
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implicit_outcomes: list[RuleOutcome] = []
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all_rules = [(cfg, False) for cfg in rules_config] + [(cfg, True) for cfg in implicit_config]
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for rule_config, is_implicit in all_rules:
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purpose = {
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"llm_score": ModelPurpose.JUDGE,
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"semantic_similarity": ModelPurpose.EMBEDDING,
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"safety": ModelPurpose.MODERATION,
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}.get(rule_config.type)
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try:
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model_config = self._resolve_model(purpose) if purpose else None
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rule = get_rule(
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rule_config.type,
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rule_config.params,
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model_config=model_config,
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gateway=self.model_gateway if model_config else None,
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)
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result = await rule.evaluate(case, dialog)
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except Exception as exc:
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result = RuleResult(passed=False, reason=f"模型配置解析失败: {exc}")
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reason = f"[期望] {result.reason}" if is_implicit else result.reason
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eval_result = EvalResult(
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id=str(uuid.uuid4()),
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run_id=run.id,
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case_id=case.id,
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turn_id=turn.id or "",
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rule_type=rule_config.type,
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passed=result.passed,
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score=result.score,
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reason=reason,
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)
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self.result_repo.save_result(eval_result)
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total_count += 1
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if result.passed:
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passed_count += 1
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rule_outcome = RuleOutcome(passed=result.passed, score=result.score, weight=rule_config.weight)
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if is_implicit:
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implicit_outcomes.append(rule_outcome)
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else:
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explicit_outcomes.append(rule_outcome)
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await self._emit(
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progress_callback,
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"rule_result",
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{
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"run_id": run.id,
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"case_id": case.id,
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"rule_type": rule_config.type,
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"passed": result.passed,
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"score": result.score,
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"reason": reason,
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"weight": rule_config.weight,
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},
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)
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outcome = combine_case_outcome(
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all_replied=all_replied,
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explicit=explicit_outcomes,
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implicit=implicit_outcomes,
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rule_logic=case.rule_logic,
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threshold=case.rule_pass_threshold,
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)
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return outcome, passed_count, total_count
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async def _generate_messages(
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self,
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case: Case,
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progress_callback: Optional[ProgressCallback],
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) -> list[str]:
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"""Use LLM to generate test messages for dynamic cases."""
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async def _fail(msg: str) -> list[str]:
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# Persist the reason into run-level case_errors (surfaced in summary),
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# not just a transient WebSocket emit that's lost after the run.
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self._case_errors.append({"case_id": case.id, "stage": "generate_messages", "error": msg})
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await self._emit(progress_callback, "error", {"error": msg, "case_id": case.id})
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return []
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turns = case.turns or 3
|
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prompt = case.prompt or "请生成一些测试问题"
|
||
|
||
system_prompt = (
|
||
f"你需要扮演一个真实的用户/患者，根据以下要求生成 {turns} 条独立的测试问题。\n\n"
|
||
f"要求：{prompt}\n\n"
|
||
"输出格式要求：只输出一个 JSON 数组，包含 " + str(turns) + " 个字符串，每个字符串是一条消息。"
|
||
"不要输出任何解释、markdown 或其他内容。"
|
||
)
|
||
|
||
messages_payload = [
|
||
{"role": "system", "content": system_prompt},
|
||
{"role": "user", "content": f"请生成 {turns} 条测试消息"},
|
||
]
|
||
|
||
try:
|
||
model_config = self._resolve_model(ModelPurpose.GENERATOR)
|
||
if model_config:
|
||
content = await self.model_gateway.chat(model_config, messages_payload, temperature=0.7)
|
||
else:
|
||
content = await self._generate_messages_legacy(messages_payload)
|
||
|
||
try:
|
||
parsed = parse_json_from_llm_text(content)
|
||
except (ValueError, Exception) as parse_exc:
|
||
return await _fail(f"LLM 返回无法解析为数组: {parse_exc}")
|
||
|
||
if not isinstance(parsed, list):
|
||
return await _fail("LLM 返回的不是数组")
|
||
|
||
messages = [str(m) for m in parsed if isinstance(m, str) and m.strip()]
|
||
if not messages:
|
||
return await _fail("LLM 返回的消息为空")
|
||
|
||
await self._emit(
|
||
progress_callback,
|
||
"messages_generated",
|
||
{
|
||
"case_id": case.id,
|
||
"messages": messages,
|
||
},
|
||
)
|
||
return messages
|
||
|
||
except Exception as exc:
|
||
return await _fail(f"LLM 生成消息失败: {exc}")
|
||
|
||
async def _generate_messages_legacy(self, messages: list[dict[str, str]]) -> str:
|
||
"""Temporary fallback for scenarios not yet migrated to model bindings."""
|
||
import httpx
|
||
|
||
from agenteval.utils.llm import extract_content_from_llm_response
|
||
|
||
llm_config = self.scenario.llm_config
|
||
if not llm_config or not llm_config.get("api_url"):
|
||
raise ValueError("动态用例未绑定生成模型，且兼容 llm_config 缺少 api_url")
|
||
headers = {"Content-Type": "application/json"}
|
||
if llm_config.get("api_key"):
|
||
headers["Authorization"] = f"Bearer {llm_config['api_key']}"
|
||
payload = {
|
||
"model": llm_config.get("model", "doubao-seed-2.0-lite"),
|
||
"messages": messages,
|
||
"temperature": 0.7,
|
||
}
|
||
async with httpx.AsyncClient(timeout=self.timeout_config.llm_generate) as client:
|
||
response = await client.post(llm_config["api_url"], headers=headers, json=payload)
|
||
response.raise_for_status()
|
||
content = extract_content_from_llm_response(response.json())
|
||
if not content:
|
||
raise ValueError("LLM 返回内容为空或无法解析")
|
||
return content
|
||
|
||
def _resolve_model(self, purpose: ModelPurpose | None) -> ModelRuntimeConfig | None:
|
||
if purpose is None:
|
||
return None
|
||
if purpose in self._resolved_models:
|
||
return self._resolved_models[purpose]
|
||
config_id = self.scenario.model_bindings.get(purpose)
|
||
if not config_id:
|
||
return None
|
||
expected = {
|
||
ModelPurpose.GENERATOR: ModelCapability.CHAT,
|
||
ModelPurpose.JUDGE: ModelCapability.CHAT,
|
||
ModelPurpose.EMBEDDING: ModelCapability.EMBEDDING,
|
||
ModelPurpose.MODERATION: ModelCapability.MODERATION,
|
||
}[purpose]
|
||
runtime = self.model_service.resolve(config_id, expected)
|
||
self._resolved_models[purpose] = runtime
|
||
return runtime
|
||
|
||
# ── helpers ────────────────────────────────────────────────────────
|
||
|
||
def _check_cancel(self) -> None:
|
||
if self.cancel_token.is_set():
|
||
raise CancelledError("run cancelled")
|
||
|
||
async def _emit(
|
||
self,
|
||
callback: Optional[ProgressCallback],
|
||
event: str,
|
||
data: dict[str, Any],
|
||
) -> None:
|
||
if not callback:
|
||
return
|
||
try:
|
||
result = callback(event, data)
|
||
if asyncio.iscoroutine(result):
|
||
await result
|
||
except Exception:
|
||
pass
|