yuxuanhui
89 lines
3.3 KiB
Python
89 lines
3.3 KiB
Python
"""Deterministic model for isolated acceptance; never calls a provider or platform."""
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import asyncio
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import json
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from contextlib import asynccontextmanager
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from uuid import uuid4
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from pydantic_ai.messages import ToolReturnPart, UserPromptPart
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from pydantic_ai.models.function import DeltaToolCall, FunctionModel
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async def fake_stream(messages, info):
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latest = max(
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(i for i, m in enumerate(messages) if any(isinstance(p, UserPromptPart) for p in m.parts)), default=0
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)
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text = " ".join(
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str(p.content) for m in messages[latest:] for p in m.parts if isinstance(p, UserPromptPart)
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)
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returns = [p for m in messages[latest:] for p in m.parts if isinstance(p, ToolReturnPart)]
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if returns and returns[-1].tool_name == "prepare_backtest":
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content = returns[-1].content
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content = json.loads(content) if isinstance(content, str) else content
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yield {
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0: DeltaToolCall(
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name="start_backtest",
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json_args=json.dumps(
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{
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"preview_id": content["preview_id"],
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"version": 1,
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"idempotency_key": content["preview_id"],
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}
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),
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tool_call_id=uuid4().hex,
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)
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}
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return
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if returns and "LOOP" not in text:
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if returns[-1].tool_name == "capability_probe":
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yield str(returns[-1].content)
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else:
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yield "操作结果已返回。"
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yield "请查看下方业务记录与数据来源。"
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return
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if any(t.name == "capability_probe" for t in info.function_tools):
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name, args = "capability_probe", {}
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elif "READY" in text:
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yield "REA"
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yield "DY"
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return
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elif "SLOW" in text:
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yield "正在查询"
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await asyncio.sleep(2)
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yield "，查询完成。"
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return
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elif "回测" in text:
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name, args = (
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"prepare_backtest",
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{
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"inline": {
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"name": "AI 固定回测",
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"source": {"kind": "ai"},
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"candidates": [
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{
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"client_item_id": "ai-1",
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"expression": "rank(close)",
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"settings": {"region": "USA", "universe": "TOP3000", "delay": 1},
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}
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],
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}
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},
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)
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elif "批量" in text:
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name, args = "bulk_update_research", {"alpha_ids": ["a0000", "a0001"], "add_tags": ["AI"]}
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elif "修改" in text or "update" in text:
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alpha_id = "TEST0001" if "TEST0001" in text else "a0000"
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name, args = "update_research", {"alpha_id": alpha_id, "changes": {"note": "AI 测试研究记录"}}
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elif "同步" in text:
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name, args = "create_sync_job", {"kind": "full_sync"}
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elif "PnL" in text:
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name, args = "get_alpha_pnl", {"alpha_id": "TEST0001" if "TEST" in text else "a0000"}
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else:
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name, args = "search_alphas", {"filters": {"turnover_max": 0.15, "limit": 5}}
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yield {0: DeltaToolCall(name=name, json_args=json.dumps(args), tool_call_id=uuid4().hex)}
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@asynccontextmanager
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async def fake_model(config, settings):
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yield FunctionModel(stream_function=fake_stream, model_name="test-model")
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