125 lines
3.6 KiB
Python
125 lines
3.6 KiB
Python
"""
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FastAPI 应用主入口
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时间序列数据分析系统 FastAPI 版本
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"""
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import logging
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from contextlib import asynccontextmanager
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.middleware.gzip import GZipMiddleware
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from app.core.config import settings, setup_logging, ENVIRONMENT, DEBUG
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from app.services.font_manager import setup_fonts_for_app
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from app.services.linux_adapter import init_linux_environment
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# 设置日志
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logger = logging.getLogger(__name__)
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# 应用生命周期
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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
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logger.info("=" * 60)
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logger.info(f"应用启动: {settings.APP_TITLE}")
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logger.info(f"版本: {settings.APP_VERSION}")
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logger.info(f"环境: {ENVIRONMENT}")
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logger.info(f"调试: {DEBUG}")
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logger.info(f"监听: {settings.HOST}:{settings.PORT}")
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logger.info("=" * 60)
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# 初始化 Linux 环境
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try:
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init_linux_environment()
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except Exception as e:
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logger.warning(f"Linux 环境初始化失败: {e}")
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# 初始化字体
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try:
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fonts_config = setup_fonts_for_app(['zh', 'en'])
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logger.info(f"字体配置完成: {fonts_config}")
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except Exception as e:
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logger.error(f"字体配置失败: {e}")
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yield
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# 关闭时
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logger.info("应用关闭")
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# 创建 FastAPI 应用
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app = FastAPI(
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title=settings.APP_TITLE,
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description=settings.APP_DESCRIPTION,
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version=settings.APP_VERSION,
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lifespan=lifespan
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)
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# 添加中间件
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# 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=settings.CORS_ALLOW_CREDENTIALS,
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allow_methods=settings.CORS_ALLOW_METHODS,
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allow_headers=settings.CORS_ALLOW_HEADERS,
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)
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# 压缩中间件
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app.add_middleware(GZipMiddleware, minimum_size=1000)
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# 导入和包含路由
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from app.api.routes import upload, analysis, analysis_v2, files
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# v2 模式：仅暴露 v2 分析接口 + 基础状态接口
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if settings.API_MODE == "v2":
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logger.info("API_MODE=v2: 禁用 v1 上传/文件接口，仅启用 /api/v2")
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app.include_router(analysis_v2.router, prefix="/api/v2", tags=["analysis-v2"])
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else:
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app.include_router(upload.router, prefix="/api", tags=["upload"])
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app.include_router(analysis.router, prefix="/api", tags=["analysis"])
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app.include_router(analysis_v2.router, prefix="/api/v2", tags=["analysis-v2"])
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app.include_router(files.router, prefix="/api", tags=["files"])
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# 根路由
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@app.get("/")
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async def root():
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"""根路径"""
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return {
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"message": "Lazy Stat Backend API",
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"version": settings.APP_VERSION,
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"docs": "/docs"
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}
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@app.get("/health")
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async def health():
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"""健康检查"""
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return {
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"status": "healthy",
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"app": settings.APP_TITLE,
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"version": settings.APP_VERSION
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}
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@app.get("/api/config")
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async def get_config():
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"""获取应用配置"""
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return {
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"title": settings.APP_TITLE,
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"version": settings.APP_VERSION,
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"max_upload_size": settings.MAX_UPLOAD_SIZE,
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"allowed_extensions": list(settings.ALLOWED_EXTENSIONS),
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"language_default": settings.LANGUAGE_DEFAULT
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}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(
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"app.main:app",
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host=settings.HOST,
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port=settings.PORT,
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reload=settings.RELOAD,
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log_level=settings.LOG_LEVEL.lower()
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)
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