80 lines
1.9 KiB
Python
80 lines
1.9 KiB
Python
"""FastAPI 应用入口"""
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from contextlib import asynccontextmanager
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import os
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import sys
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from app.config import settings
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from app.api import router as api_router
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from app.core.exceptions import register_exception_handlers
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from app.core.redis import RedisService
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""应用生命周期管理"""
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# 启动时初始化
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await RedisService.init()
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yield
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# 关闭时清理
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await RedisService.close()
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def create_app() -> FastAPI:
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"""创建FastAPI应用实例"""
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app = FastAPI(
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title=settings.APP_NAME,
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version=settings.APP_VERSION,
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description="Dify插件服务API",
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openapi_url=f"{settings.API_V1_PREFIX}/openapi.json",
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docs_url="/docs",
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redoc_url="/redoc",
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lifespan=lifespan,
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servers=[
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{"url": f"http://{settings.API_HOST}:{settings.PORT}", "description": "API服务器"},
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],
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)
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# 注册CORS中间件
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app.add_middleware(
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CORSMiddleware,
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allow_origins=settings.CORS_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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# 注册异常处理器
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register_exception_handlers(app)
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# 注册路由
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app.include_router(api_router, prefix=settings.API_V1_PREFIX)
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return app
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app = create_app()
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def print_routes(app: FastAPI):
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"""打印所有注册的路由"""
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print("\n" + "=" * 60)
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print("Registered Routes:")
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print("=" * 60)
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for route in app.routes:
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if hasattr(route, "methods"):
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methods = ", ".join(route.methods - {"HEAD", "OPTIONS"})
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print(f" {methods:8} {route.path}")
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print("=" * 60 + "\n")
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# 启动时打印路由
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print_routes(app)
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@app.get("/health", tags=["健康检查"], summary="健康检查接口")
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async def health_check():
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"""服务健康检查"""
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