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docs: add ReMe2 architecture design documentation - Add comprehensive design document (reme2.md) detailing the three-layer architecture (L1/L2/L3) for the vault system - Document new protocols for folder notes and memory management - Specify interface contracts for memory_* and vault_* tools - Outline implementation phases from current state to target refactor: fix typo in personal retriever class - Correct spelling error: 'retri eved_nodes' -> 'retrieved_nodes' in PersonalRetriever.result assignment chore: update gitignore with vault-related patterns - Add '/vault' to ignore vault directory - Add '/reme-plugin' to ignore plugin files - Add '/reme2/vault' to ignore new vault implementation ```
94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
"""HTTP service implementation using FastAPI and uvicorn."""
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import asyncio
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import json
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import os
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from collections.abc import AsyncGenerator
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from contextlib import asynccontextmanager
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from typing import TYPE_CHECKING
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import uvicorn
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse
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from .base_service import BaseService
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from ..component_registry import R
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from ..job import BaseJob, StreamJob
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from ...constants import REME_DEFAULT_HOST, REME_DEFAULT_PORT, REME_SERVICE_INFO
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from ...schema import Request, Response
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from ...utils import execute_stream_task
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if TYPE_CHECKING:
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from ...application import Application
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@R.register("http")
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class HttpService(BaseService):
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"""HTTP service: jobs -> JSON endpoints, StreamJobs -> SSE endpoints."""
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def __init__(self, host: str = REME_DEFAULT_HOST, port: int = REME_DEFAULT_PORT, **kwargs):
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super().__init__(**kwargs)
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self.host: str = host
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self.port: int = port
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def _add_job(self, job: BaseJob) -> None:
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async def execute_endpoint(request: Request) -> Response:
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return await job(**request.model_dump(exclude_none=True))
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self.service.post(
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path=f"/{job.name}",
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response_model=Response,
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description=job.description,
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)(execute_endpoint)
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def _add_stream_job(self, job: StreamJob) -> None:
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async def execute_stream_endpoint(request: Request) -> StreamingResponse:
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stream_queue = asyncio.Queue()
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task = asyncio.create_task(
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job(stream_queue=stream_queue, **request.model_dump(exclude_none=True)),
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)
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async def generate_stream() -> AsyncGenerator[bytes, None]:
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async for chunk in execute_stream_task(
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stream_queue=stream_queue,
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task=task,
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task_name=job.name,
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output_format="bytes",
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):
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assert isinstance(chunk, bytes)
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yield chunk
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return StreamingResponse(generate_stream(), media_type="text/event-stream")
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self.service.post(f"/{job.name}")(execute_stream_endpoint)
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def add_job(self, job: BaseJob) -> None:
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if isinstance(job, StreamJob):
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self._add_stream_job(job)
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else:
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self._add_job(job)
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def build_service(self, app: "Application") -> None:
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@asynccontextmanager
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async def lifespan(_: FastAPI):
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await app.start()
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service_info = json.dumps({"host": self.host, "port": self.port})
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os.environ[REME_SERVICE_INFO] = service_info
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self.logger.info(f"ReMe Service started: {REME_SERVICE_INFO}={service_info}")
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yield
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await app.close()
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self.service = FastAPI(title=app.config.app_name, lifespan=lifespan)
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self.service.add_middleware(
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CORSMiddleware, # type: ignore[arg-type]
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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self.service.post("/health")(lambda: {"status": "healthy"})
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def start_service(self, app: "Application") -> None:
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uvicorn.run(self.service, host=self.host, port=self.port, **self.kwargs)
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