Files
mini-openclaw-v2/backend/api/compress.py
T
qiaoqichaoandClaude Code d56c699ce6 chore(v2): 从兴邦预审v2白名单抽取独立可运行基座
按 docs/v2/05-implementation-plan.md §1 候选迁移表与 claude_use/T00 白名单,
从 55e2cdb 抽取 224 个文件(2.48 MB)到独立目录 F:/mini-OpenClaw-v2。

- 排除:凭据(.env/server-deploy.conf/旧DELIVERY.md)、运行数据(xingbang_data 等
  4 个 SQLite)、依赖(venv/node_modules 符号链接)、归档(_backup*/test-evidence/
  ori_file)、Office 临时文件
- 目标目录独立 git 仓库,初始恢复点;Gitea 远程与分支待 OQ-06 Q2 定案
- 未部署、未启动服务、未调用模型

Co-Authored-By: Claude Code <noreply@anthropic.com>
2026-09-29 12:58:26 +08:00

72 lines
2.3 KiB
Python

"""POST /api/sessions/{session_id}/compress — Compress conversation history."""
import os
import traceback
from typing import Any
from fastapi import APIRouter, HTTPException
from langchain_core.messages import HumanMessage
from graph.session_manager import session_manager
router = APIRouter()
async def _generate_summary(messages: list[dict[str, Any]]) -> str:
"""Use DeepSeek to generate a compressed summary of messages."""
from langchain_deepseek import ChatDeepSeek
llm = ChatDeepSeek(
model=os.getenv("DEEPSEEK_MODEL", "deepseek-chat"),
api_key=os.getenv("DEEPSEEK_API_KEY"),
api_base=os.getenv("DEEPSEEK_BASE_URL", "https://api.deepseek.com"),
temperature=0.3,
)
# Format messages for summary
formatted = []
for msg in messages:
role = msg.get("role", "unknown")
content = msg.get("content", "")
if content:
formatted.append(f"{role}: {content[:500]}")
conversation_text = "\n".join(formatted)
prompt = (
"请将以下对话历史压缩为简洁的中文摘要,保留关键信息、决策和结论。"
"摘要不超过500字。只输出摘要内容,不要添加额外说明。\n\n"
f"{conversation_text}"
)
result = await llm.ainvoke([HumanMessage(content=prompt)])
return result.content.strip()
@router.post("/sessions/{session_id}/compress")
async def compress_session(session_id: str) -> dict[str, Any]:
"""Compress the first 50% of conversation history into a summary."""
messages = session_manager.load_session(session_id)
if len(messages) < 4:
raise HTTPException(
status_code=400,
detail="Not enough messages to compress (need at least 4)",
)
# Take the first 50% of messages
num_to_remove = max(4, len(messages) // 2)
messages_to_compress = messages[:num_to_remove]
try:
summary = await _generate_summary(messages_to_compress)
session_manager.compress_history(session_id, summary, num_to_remove)
remaining = len(messages) - num_to_remove
return {
"archived_count": num_to_remove,
"remaining_count": remaining,
}
except Exception as e:
traceback.print_exc()
raise HTTPException(status_code=500, detail=f"Compression failed: {str(e)}")