79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
"""极小硬核 Kernel：不变量裁决、命台并发控制、事件日志写入、Run 循环骨架。
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不可插拔（lingtai-runtime.md §1）；插件与 Profile 见 ``app.runtime``。
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"""
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from __future__ import annotations
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import asyncio
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
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from app.kernel.eventlog import KernelEventLog
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from app.kernel.loop import KernelRunLoop
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from app.kernel.seat import SeatManager
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from app.models.runtime import Run
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from app.runtime.bus import WaterfallBus
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from app.runtime.profile import resolve_profile
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from app.shenshi_client.client import ShenshiClient
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__all__ = ["Kernel", "KernelEventLog", "KernelRunLoop", "SeatManager"]
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class Kernel:
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"""门面：持有 Kernel 全部部件，供 lifespan 装配与 API 层调用。"""
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def __init__(
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self,
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*,
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shenshi: ShenshiClient,
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session_factory: async_sessionmaker[AsyncSession],
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event_log: KernelEventLog,
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bus: WaterfallBus | None = None,
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seats: SeatManager | None = None,
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timeout_seconds: float = 120.0,
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) -> None:
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self._sessions = session_factory
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self.bus = bus or WaterfallBus()
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self.seats = seats or SeatManager()
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self.loop = KernelRunLoop(
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event_log=event_log,
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seats=self.seats,
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bus=self.bus,
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shenshi=shenshi,
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session_factory=session_factory,
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timeout_seconds=timeout_seconds,
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)
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self._tasks: set[asyncio.Task[None]] = set()
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async def start_foreground_run(
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self, *, character_id: str, prompt: str, trace_id: str | None = None
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) -> Run:
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"""创建 Run 行（queued）并异步启动循环；前台席位在循环内排队获取。"""
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profile = resolve_profile()
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async with self._sessions() as session:
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run = Run(
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character_id=character_id,
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session_id=None,
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status="queued",
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goal=prompt[:300] if prompt else None,
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origin="kernel",
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model_hint=str(profile.params.get("slot", "chat")),
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)
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session.add(run)
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await session.commit()
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run_id = run.id
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task = asyncio.create_task(
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self.loop.execute(
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run_id=run_id, character_id=character_id, prompt=prompt, trace_id=trace_id
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)
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)
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self._tasks.add(task)
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task.add_done_callback(self._tasks.discard)
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async with self._sessions() as session:
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created = await session.get(Run, run_id)
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assert created is not None
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return created
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