149 lines
4.0 KiB
Python
149 lines
4.0 KiB
Python
"""
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Grok2API 应用入口
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FastAPI 应用初始化和路由注册
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"""
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from contextlib import asynccontextmanager
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import os
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import platform
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import sys
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import time
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import uuid
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from pathlib import Path
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from dotenv import load_dotenv
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env_file = Path(__file__).parent / ".env"
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if env_file.exists():
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load_dotenv(env_file)
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi import Depends
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from app.core.auth import verify_api_key
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from app.core.config import get_config
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from app.core.logger import logger, setup_logging
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from app.core.exceptions import register_exception_handlers
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from app.core.response_middleware import ResponseLoggerMiddleware
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from app.api.v1.chat import router as chat_router
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from app.api.v1.image import router as image_router
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from app.api.v1.files import router as files_router
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from app.api.v1.models import router as models_router
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from app.services.token import get_scheduler
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# 初始化日志
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setup_logging(
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level=os.getenv("LOG_LEVEL", "INFO"),
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json_console=False,
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file_logging=True
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)
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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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# 1. 加载配置
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from app.core.config import config
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await config.load()
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# 2. 启动服务显示
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logger.info("Starting Grok2API...")
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logger.info(f"Platform: {platform.system()} {platform.release()}")
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logger.info(f"Python: {sys.version.split()[0]}")
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# 3. 启动 Token 刷新调度器
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refresh_enabled = get_config("token.auto_refresh", True)
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if refresh_enabled:
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interval = get_config("token.refresh_interval_hours", 8)
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scheduler = get_scheduler(interval)
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scheduler.start()
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logger.info("Application startup complete.")
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yield
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# 关闭
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logger.info("Shutting down Grok2API...")
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from app.core.storage import StorageFactory
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if StorageFactory._instance:
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await StorageFactory._instance.close()
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if refresh_enabled:
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scheduler = get_scheduler()
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scheduler.stop()
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def create_app() -> FastAPI:
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"""创建 FastAPI 应用"""
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app = FastAPI(
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title="Grok2API",
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lifespan=lifespan,
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)
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# CORS 配置
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app.add_middleware(
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CORSMiddleware,
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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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# 请求日志和 ID 中间件
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from app.core.response_middleware import ResponseLoggerMiddleware
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app.add_middleware(ResponseLoggerMiddleware)
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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(chat_router, prefix="/v1", dependencies=[Depends(verify_api_key)])
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app.include_router(image_router, prefix="/v1", dependencies=[Depends(verify_api_key)])
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app.include_router(models_router, prefix="/v1", dependencies=[Depends(verify_api_key)])
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app.include_router(files_router, prefix="/v1/files")
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# 静态文件服务
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from fastapi.staticfiles import StaticFiles
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static_dir = Path(__file__).parent / "app" / "static"
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if static_dir.exists():
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app.mount("/static", StaticFiles(directory=static_dir), name="static")
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# 注册管理路由
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from app.api.v1.admin import router as admin_router
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app.include_router(admin_router)
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return app
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app = create_app()
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if __name__ == "__main__":
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import uvicorn
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import warnings
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host = os.getenv("SERVER_HOST", "0.0.0.0")
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port = int(os.getenv("SERVER_PORT", "8000"))
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workers = int(os.getenv("SERVER_WORKERS", "1"))
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# 平台检查
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is_windows = platform.system() == "Windows"
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# 自动降级
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if is_windows and workers > 1:
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logger.warning(
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f"Windows platform detected. Multiple workers ({workers}) is not supported. "
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"Using single worker instead."
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)
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workers = 1
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uvicorn.run(
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"main:app",
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host=host,
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port=port,
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workers=workers,
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log_level=os.getenv("LOG_LEVEL", "INFO").lower()
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)
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