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150 lines
6.4 KiB
Python
150 lines
6.4 KiB
Python
from collections.abc import AsyncGenerator
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from typing import Any
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from fastapi import Depends, FastAPI
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from fastapi.concurrency import asynccontextmanager
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from fastapi.openapi.docs import get_redoc_html, get_swagger_ui_html, get_swagger_ui_oauth2_redirect_html
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from fastapi.responses import HTMLResponse
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from fastapi.staticfiles import StaticFiles
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from fastapi_limiter import FastAPILimiter
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from fastapi_limiter.depends import RateLimiter, WebSocketRateLimiter
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from app.core import cache_util
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from .config.setting import settings
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from .core.exceptions import handle_exception
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from .core.http_limit import http_limit_callback, ws_limit_callback
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from .core.logger import logger
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from .scripts.initialize import InitializeData
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from .utils.common_util import import_module, import_modules_async
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from .utils.console import console_end, console_start
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@asynccontextmanager
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async def lifespan(app: FastAPI) -> AsyncGenerator[Any, Any]:
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from app.api.v1.module_platform.tenant.service import TenantService
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from app.api.v1.module_system.dict.service import DictDataService
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from app.api.v1.module_system.params.service import ParamsService
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from app.core.ap_scheduler import SchedulerUtil
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try:
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await InitializeData().init_db()
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logger.info("✅ {}数据库初始化完成", settings.DATABASE_TYPE)
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await import_modules_async(modules=settings.EVENT_LIST, desc="全局事件", app=app, status=True)
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logger.info("✅ 全局事件模块加载完成")
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await ParamsService.init_cache(redis=app.state.redis)
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logger.info("✅ Redis系统参数初始化完成")
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await DictDataService.init_cache(redis=app.state.redis)
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logger.info("✅ Redis数据字典初始化完成")
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await TenantService.init_cache(redis=app.state.redis)
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logger.info("✅ Redis租户配置初始化完成")
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await SchedulerUtil.init_scheduler(redis=app.state.redis)
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logger.info("✅ 定时任务调度器初始化完成")
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await cache_util.init(redis=app.state.redis)
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logger.info("✅ fastapi-admin-cache 初始化完成")
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await FastAPILimiter.init(
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redis=app.state.redis,
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prefix=settings.REQUEST_LIMITER_REDIS_PREFIX,
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http_callback=http_limit_callback,
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ws_callback=ws_limit_callback,
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)
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logger.info("✅ 请求限流器初始化完成")
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console_start(
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host=settings.SERVER_HOST, port=settings.SERVER_PORT,
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reload=settings.ENVIRONMENT,
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database_ready=True, redis_ready=True,
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scheduler_ready=SchedulerUtil.is_running(), limiter_ready=True,
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)
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except Exception as e:
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logger.error("❌ 应用初始化失败: {}", e)
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raise SystemExit(1)
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yield
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try:
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await SchedulerUtil.shutdown(wait=True)
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logger.info("✅ 定时任务调度器已关闭")
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await cache_util.clear()
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logger.info("✅ fastapi-admin-cache 已关闭")
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await FastAPILimiter.close()
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logger.info("✅ 请求限制器已关闭")
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await import_modules_async(modules=settings.EVENT_LIST, desc="全局事件", app=app, status=False)
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logger.info("✅ 全局事件模块卸载完成")
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from app.core.database import async_engine
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await async_engine.dispose()
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logger.info("✅ 数据库引擎连接池已释放")
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console_end()
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except Exception as e:
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logger.error("❌ 应用关闭过程中发生错误: {}", e)
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raise SystemExit(1)
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def register_middlewares(app: FastAPI) -> None:
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for middleware in settings.MIDDLEWARE_LIST[::-1]:
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if not middleware:
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continue
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middleware = import_module(middleware, desc="中间件")
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app.add_middleware(middleware)
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def register_exceptions(app: FastAPI) -> None:
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handle_exception(app)
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def register_routers(app: FastAPI) -> None:
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from app.api.v1.module_common import common_router
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from app.api.v1.module_energy import energy_router
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from app.api.v1.module_monitor import monitor_router
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from app.api.v1.module_platform import platform_router
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from app.api.v1.module_rule import rule_router
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from app.api.v1.module_system import system_router
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app.include_router(common_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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app.include_router(energy_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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app.include_router(monitor_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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app.include_router(platform_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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app.include_router(rule_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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app.include_router(system_router, dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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from app.plugin.module_ai.chat.ws import WS_AI
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app.include_router(router=WS_AI, dependencies=[Depends(WebSocketRateLimiter(times=200, seconds=10))])
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from app.core.discover import get_dynamic_router, set_app_ref
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app.include_router(router=get_dynamic_router(), dependencies=[Depends(RateLimiter(times=200, seconds=10))])
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set_app_ref(app)
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def register_files(app: FastAPI) -> None:
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if settings.STATIC_ENABLE:
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settings.STATIC_ROOT.mkdir(parents=True, exist_ok=True)
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app.mount(path=settings.STATIC_URL, app=StaticFiles(directory=settings.STATIC_ROOT), name=settings.STATIC_DIR)
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def reset_api_docs(app: FastAPI) -> None:
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swagger_ui_redirect_url = str(app.swagger_ui_oauth2_redirect_url)
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root_openapi_url = str(app.root_path) + str(app.openapi_url)
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@app.get(swagger_ui_redirect_url, include_in_schema=False)
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async def swagger_ui_redirect():
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return get_swagger_ui_oauth2_redirect_html()
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@app.get(settings.DOCS_URL, include_in_schema=False)
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async def custom_swagger_ui_html() -> HTMLResponse:
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return get_swagger_ui_html(
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openapi_url=root_openapi_url,
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title=app.title + " - Swagger UI",
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oauth2_redirect_url=app.swagger_ui_oauth2_redirect_url,
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swagger_js_url=settings.SWAGGER_JS_URL,
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swagger_css_url=settings.SWAGGER_CSS_URL,
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swagger_favicon_url=settings.FAVICON_URL,
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)
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@app.get(settings.REDOC_URL, include_in_schema=False)
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async def custom_redoc_html():
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return get_redoc_html(
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openapi_url=root_openapi_url,
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title=app.title + " - ReDoc",
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redoc_js_url=settings.REDOC_JS_URL,
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redoc_favicon_url=settings.FAVICON_URL,
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)
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