初始化集成qgis

app/core/server.py

@@ -9,6 +9,7 @@ from fastapi import FastAPI, Request
 from app.utils.api_deps import get_rainfall_model, get_earthquake_model, is_model_loaded
 from app.schemas.api_schemas import HealthResponse
 from app.config.paths import get_logger
+from config import settings
 
 logger = get_logger("api")
 
@@ -20,9 +21,29 @@ async def lifespan(app: FastAPI):
     get_rainfall_model()
     get_earthquake_model()
     logger.info("DBN模型预加载完成")
-    yield
-    logger.info("应用关闭")
 
+    # 初始化 QGIS 环境
+    qgis_root = getattr(settings, "QGIS_ROOT", None)
+    if qgis_root:
+        try:
+            from app.services.qgis.qgis_env import init_qgis_env
+            init_qgis_env(qgis_root)
+            logger.info("QGIS 环境初始化完成")
+        except Exception as e:
+            logger.error(f"QGIS 环境初始化失败（专题图功能不可用）: {e}")
+
+    yield
+
+    # 清理 QGIS 资源
+    try:
+        from app.services.qgis.qgis_env import cleanup_qgis_env
+        from app.services.qgis.map_service import template_cache
+        template_cache.cleanup()
+        cleanup_qgis_env()
+    except Exception:
+        pass
+
+    logger.info("应用关闭")
 
 def create_app() -> FastAPI:
     """创建 FastAPI 应用实例"""