QGIS修改日志报错

app/config/paths.py

@@ -19,13 +19,15 @@ DBN_CONFIG_DIR = CONFIG_DIR / "dbn"
 
 def get_logger(name: str = "algorithm"):
     """
-    获取日志记录器的便捷函数
-
-    Args:
-        name: 日志名称
-
-    Returns:
-        logging.Logger 实例
+    获取日志记录器。主进程用 loguru，QGIS 子进程回退到标准 logging。
     """
-    from app.utils.logger import get_logger as _get_logger
-    return _get_logger(name, str(LOG_DIR))
+    try:
+        from app.utils.logger import get_logger as _get_logger
+        return _get_logger(name, str(LOG_DIR))
+    except ImportError:
+        import logging
+        logging.basicConfig(
+            level=logging.INFO,
+            format="%(asctime)s [%(threadName)s] %(levelname)-5s %(name)s - %(message)s",
+        )
+        return logging.getLogger(name)

app/script/run_qgis.bat

@@ -1,23 +1,54 @@
 @echo off
 REM ============================================================
 REM QGIS 子进程启动脚本（Windows）
-REM 需要设置 QGIS_ROOT 环境变量指向 QGIS 安装目录
+REM 自动检测 QGIS 安装结构，支持 qgis-ltr/qgis + Python312/Python39
 REM ============================================================
-if "%QGIS_ROOT%"=="" (
-    echo [ERROR] QGIS_ROOT 环境变量未设置
-    exit /b 1
-)
 
-set "QGIS_APP_DIR=%QGIS_ROOT%\apps\qgis-ltr"
-set "PYTHONHOME=%QGIS_ROOT%\apps\Python312"
-set "PYTHONPATH=%QGIS_APP_DIR%\python"
-set "QGIS_PREFIX_PATH=%QGIS_APP_DIR%"
-set "QT_PLUGIN_PATH=%QGIS_APP_DIR%\qtplugins;%QGIS_ROOT%\apps\Qt5\plugins"
+if "%QGIS_ROOT%"=="" goto :no_root
+if not exist "%QGIS_ROOT%" goto :no_root_dir
+
+REM --- 检测 QGIS 应用目录 ---
+set "QGIS_APP=%QGIS_ROOT%\apps\qgis-ltr"
+if not exist "%QGIS_APP%" set "QGIS_APP=%QGIS_ROOT%\apps\qgis"
+if not exist "%QGIS_APP%" goto :no_qgis_app
+
+REM --- 检测 Python 目录 ---
+set "PY=%QGIS_ROOT%\apps\Python312"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python39"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python310"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python311"
+if not exist "%PY%" goto :no_python
+
+REM --- 设置环境 ---
+set "PYTHONHOME=%PY%"
+set "PYTHONPATH=%QGIS_APP%\python"
+set "QGIS_PREFIX_PATH=%QGIS_APP%"
+set "QT_PLUGIN_PATH=%QGIS_APP%\qtplugins;%QGIS_ROOT%\apps\Qt5\plugins"
 set "GDAL_DATA=%QGIS_ROOT%\apps\gdal\share\gdal"
 set "PYTHONUTF8=1"
 set "GDAL_FILENAME_IS_UTF8=YES"
 set "VSI_CACHE=TRUE"
 set "VSI_CACHE_SIZE=1000000"
-set "PATH=%QGIS_APP_DIR%\bin;%QGIS_ROOT%\apps\Qt5\bin;%QGIS_ROOT%\apps\gdal\lib;%PATH%"
+set "PATH=%QGIS_APP%\bin;%QGIS_ROOT%\apps\Qt5\bin;%QGIS_ROOT%\apps\gdal\lib;%PATH%"
+REM 强制使用 QGIS 自带的 PROJ，避免 PostgreSQL/PostGIS 的旧 proj.db 干扰
+if exist "%QGIS_ROOT%\share\proj" set "PROJ_DATA=%QGIS_ROOT%\share\proj"
 
-"%PYTHONHOME%\python3.exe" %*
+REM --- 启动 ---
+"%PY%\python3.exe" %*
+exit /b %ERRORLEVEL%
+
+:no_root
+echo [ERROR] QGIS_ROOT 环境变量未设置
+exit /b 1
+
+:no_root_dir
+echo [ERROR] QGIS_ROOT 目录不存在: %QGIS_ROOT%
+exit /b 1
+
+:no_qgis_app
+echo [ERROR] 未找到 QGIS 应用目录
+exit /b 1
+
+:no_python
+echo [ERROR] 未找到 QGIS Python 目录
+exit /b 1