117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
from contextlib import asynccontextmanager
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import asyncio
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from time import perf_counter
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from uuid import uuid4
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from fastapi import FastAPI
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from fastapi.exceptions import RequestValidationError
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from fastapi.middleware.cors import CORSMiddleware
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from starlette.exceptions import HTTPException as StarletteHttpException
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from app.config import get_settings
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from app.container import container
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from app.errors import ApiError, api_error_handler, http_error_handler, validation_error_handler
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from app.export import service as export_service
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from app.routes import router as api_router
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from app.media_routes import router as media_router
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from app.local_model_routes import router as local_model_router
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from app.usage_routes import router as usage_router
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from app.provider_preview_routes import router as provider_preview_router
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from app.schemas import HealthResponse, ServiceStatusResponse
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from app.log_routes import router as log_router
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from app.operation_logs import install_logging, log_event, request_id, shutdown_logging
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settings = get_settings()
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@asynccontextmanager
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async def lifespan(_: FastAPI):
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install_logging()
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log_event('system', 'service.started')
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# 重启后内存注册表为空，清理上一次运行遗留的导出产物，避免磁盘垃圾堆积。
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export_service.cleanup_orphan_files()
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from app.services import transcription_service
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transcription_service.recover_interrupted()
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try:
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yield
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finally:
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await container.agent.shutdown()
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from app.services import index_service
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await index_service.shutdown()
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await transcription_service.shutdown()
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from app.local_models import components
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await components.shutdown()
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from app.local_models import manager
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for _, key in list(manager._downloads):
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await manager.cancel_download(key)
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# 第三方 MCP Server 必须跟随 AI Core 退出，不能遗留孤儿进程。
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container.plugins.shutdown()
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container.mcp_servers.shutdown()
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log_event('system', 'service.stopped')
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await asyncio.to_thread(shutdown_logging)
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app = FastAPI(
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title=settings.name,
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version=settings.version,
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description="AI 笔记软件的本地 AI Core 与 Agent Core 服务。",
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lifespan=lifespan,
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)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["http://127.0.0.1:5173", "http://localhost:5173"],
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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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app.add_exception_handler(ApiError, api_error_handler)
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app.add_exception_handler(RequestValidationError, validation_error_handler)
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app.add_exception_handler(StarletteHttpException, http_error_handler)
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app.include_router(api_router)
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app.include_router(media_router)
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app.include_router(local_model_router)
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app.include_router(usage_router)
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app.include_router(provider_preview_router)
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app.include_router(log_router)
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@app.middleware('http')
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async def operation_log(request, call_next):
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token = request_id.set(uuid4().hex)
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started = perf_counter()
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status = 500
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failure = None
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try:
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response = await call_next(request)
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status = response.status_code
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response.headers['X-Request-ID'] = request_id.get()
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return response
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except Exception as exc:
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failure = exc
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raise
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finally:
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# Do not record query strings, request/response bodies or arbitrary URLs.
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route = getattr(request.scope.get('route'), 'path', 'unmatched')
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if not route.startswith('/api/logs') and (request.method not in {'GET', 'HEAD', 'OPTIONS'} or status >= 400 or perf_counter() - started > 1):
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log_event('http', 'request.finished', level='ERROR' if status >= 500 else 'WARNING' if status >= 400 else 'INFO',
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error=failure, method=request.method, route=route, status=status,
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duration_ms=round((perf_counter() - started) * 1000, 2),
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**{k: v for k, v in request.path_params.items() if k in {'run_id', 'task_id', 'note_id', 'job_id', 'provider_id'}})
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request_id.reset(token)
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@app.get("/health", response_model=HealthResponse, tags=["System"])
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async def health() -> HealthResponse:
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return HealthResponse()
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@app.get("/api/status", response_model=ServiceStatusResponse, tags=["System"])
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async def service_status() -> ServiceStatusResponse:
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return ServiceStatusResponse(
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name=settings.name,
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version=settings.version,
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environment=settings.environment,
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)
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