AgentEvalTool/backend/agenteval/evaluation/rules/scored_llm.py
sinohqb 2f09ee2bfc
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refactor(v1.3.1): Phase 3 报告横幅、评分逻辑收敛与成本闭环
- 报告渲染 Go/No-Go 上线评估横幅(HTML 彩色 banner + Markdown 引用块)
- 抽取 scored_llm 共享模块:llm_score / fluency 直连调用与评分解析收敛
- 网关新增 chat_with_usage / embed_with_usage,规则按次归集 llm_usage
- 引擎分岗位用量归集(judge/generator/embedding/moderation)写入
  RunSummary.eval_usage_by_purpose,并发下不做总量差值
- cost_tracking 重构:data/model_pricing.json 覆盖 + 默认计价表,
  删除从未有数据支撑的 Turn 维度成本函数(偏差说明见 PR)
- 报告 summary 增加 eval_cost 分岗位成本段并在 Markdown 渲染
2026-08-26 01:59:20 +08:00

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"""Shared plumbing for rules that ask an LLM for a 0-10 score.
llm_score 与 fluency 共用的直连 LLM 调用与评分解析——两处各自实现一遍的
重复逻辑收敛到这里v1.3.1 Phase 3 代码质量项)。
"""
import httpx
from agenteval.utils.llm import extract_content_from_llm_response, parse_json_from_llm_text
def parse_scored_content(content: str) -> tuple[float, str]:
"""Parse an LLM reply into a clamped 0-10 score plus reason."""
parsed = parse_json_from_llm_text(content)
score = float(parsed["score"])
return max(0.0, min(10.0, score)), parsed.get("reason", "")
async def call_scored_llm(
api_url: str,
api_key: str | None,
model: str,
system_prompt: str,
user_prompt: str,
timeout: float = 60.0,
) -> tuple[float | None, str]:
"""POST a chat request to a raw OpenAI-compatible endpoint and parse the score.
Returns (score, reason); score is None with an error message on failure.
"""
headers = {"Content-Type": "application/json"}
if api_key:
headers["Authorization"] = f"Bearer {api_key}"
payload = {
"model": model,
"messages": [
{"role": "system", "content": system_prompt},
{"role": "user", "content": user_prompt},
],
"temperature": 0.2,
}
try:
async with httpx.AsyncClient(timeout=timeout) as client:
resp = await client.post(api_url, headers=headers, json=payload)
resp.raise_for_status()
content = extract_content_from_llm_response(resp.json())
if not content:
return None, "LLM 返回内容为空"
return parse_scored_content(content)
except Exception as exc:
return None, str(exc)