fix(ports): docker 默认对外8502并修复空DB连接串回退

2025-12-17 10:35:14 +08:00
parent 81a4faabf5
commit e365a94dd1
5 changed files with 333 additions and 4 deletions
--- a/api/main.py
+++ b/api/main.py
@@ -0,0 +1,138 @@
+"""
+Video Flow API - FastAPI Backend
+前后端分离架构的后端服务
+端口：8000（与 Streamlit 8503 共存；8502 为历史 runtime/素材目录标识）
+"""
+import os
+import sys
+import logging
+from pathlib import Path
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+
+# 确保项目根目录在 path 中
+PROJECT_ROOT = Path(__file__).parent.parent
+sys.path.insert(0, str(PROJECT_ROOT))
+
+import config
+from api.routes import projects, editor, assets, compose
+
+# 配置日志
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)
+logger = logging.getLogger(__name__)
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """应用生命周期管理"""
+    logger.info("Video Flow API 启动中...")
+    logger.info(f"项目根目录: {PROJECT_ROOT}")
+    logger.info(f"输出目录: {config.OUTPUT_DIR}")
+    logger.info(f"临时目录: {config.TEMP_DIR}")
+    yield
+    logger.info("Video Flow API 关闭中...")
+
+
+# 创建 FastAPI 应用
+app = FastAPI(
+    title="Video Flow API",
+    description="视频工作流后端 API - 支持项目管理、素材处理、视频编辑与合成",
+    version="1.0.0",
+    lifespan=lifespan,
+    docs_url="/api/docs",
+    redoc_url="/api/redoc",
+    openapi_url="/api/openapi.json"
+)
+
+# CORS 配置 - 允许 React 前端访问
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=[
+        "http://localhost:3000",      # React dev server
+        "http://localhost:5173",      # Vite dev server
+        "http://127.0.0.1:3000",
+        "http://127.0.0.1:5173",
+    ],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 挂载静态文件目录（用于访问生成的视频/图片）
+app.mount("/static/output", StaticFiles(directory=str(config.OUTPUT_DIR)), name="output")
+app.mount("/static/temp", StaticFiles(directory=str(config.TEMP_DIR)), name="temp")
+app.mount("/static/assets", StaticFiles(directory=str(config.ASSETS_DIR)), name="assets")
+
+# Legacy mounts（8502 runtime 产物，宿主机目录通过 docker-compose 挂载到容器内）
+try:
+    app.mount("/static/legacy-temp", StaticFiles(directory="/legacy/temp"), name="legacy-temp")
+    app.mount("/static/legacy-output", StaticFiles(directory="/legacy/output"), name="legacy-output")
+except Exception:
+    # 本地非 docker 环境可能不存在这些目录
+    pass
+
+# 注册路由
+app.include_router(projects.router, prefix="/api/projects", tags=["Projects"])
+app.include_router(editor.router, prefix="/api/editor", tags=["Editor"])
+app.include_router(assets.router, prefix="/api/assets", tags=["Assets"])
+app.include_router(compose.router, prefix="/api/compose", tags=["Compose"])
+
+
+@app.get("/api/health")
+async def health_check():
+    """健康检查"""
+    return {
+        "status": "ok",
+        "service": "video-flow-api",
+        "version": "1.0.0"
+    }
+
+
+@app.get("/api/config")
+async def get_config():
+    """获取前端所需的配置信息"""
+    return {
+        "video_settings": config.VIDEO_SETTINGS,
+        "available_voices": [
+            {"id": config.VOLC_TTS_DEFAULT_VOICE, "name": "三通永 (默认)"},
+            {"id": "zh_female_meilinvyou_saturn_bigtts", "name": "美丽女友"},
+        ],
+        "available_bgm": _list_bgm_files(),
+    }
+
+
+def _list_bgm_files():
+    """列出可用的 BGM 文件"""
+    bgm_dir = config.ASSETS_DIR / "bgm"
+    if not bgm_dir.exists():
+        return []
+    
+    bgm_files = []
+    for f in bgm_dir.iterdir():
+        if f.suffix.lower() in ['.mp3', '.mp4', '.m4a', '.wav']:
+            bgm_files.append({
+                "id": f.name,
+                "name": f.stem,
+                "path": f"/static/assets/bgm/{f.name}"
+            })
+    return bgm_files
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(
+        "api.main:app",
+        host="0.0.0.0",
+        port=8000,
+        reload=True,
+        log_level="info"
+    )
+
+
+