Optimize codes and comments with cursor (#550)

backend/utils/import_parse.py

@@ -3,36 +3,36 @@
 import importlib
 
 from functools import lru_cache
-from typing import Any
+from typing import Any, Type, TypeVar
 
 from backend.common.exception import errors
 from backend.common.log import log
 
+T = TypeVar('T')
+
 
 @lru_cache(maxsize=512)
 def import_module_cached(module_path: str) -> Any:
     """
     缓存导入模块
 
-    :param module_path:
+    :param module_path: 模块路径
     :return:
     """
     return importlib.import_module(module_path)
 
 
-def dynamic_import_data_model(module_path: str) -> Any:
+def dynamic_import_data_model(module_path: str) -> Type[T]:
     """
     动态导入数据模型
 
-    :param module_path:
+    :param module_path: 模块路径，格式为 'module_path.class_name'
     :return:
     """
-    module_path, class_or_func = module_path.rsplit('.', 1)
-
     try:
+        module_path, class_name = module_path.rsplit('.', 1)
         module = import_module_cached(module_path)
-        ins = getattr(module, class_or_func)
+        return getattr(module, class_name)
     except (ImportError, AttributeError) as e:
-        log.error(e)
+        log.error(f'动态导入数据模型失败：{e}')
         raise errors.ServerError(msg='数据模型列动态解析失败，请联系系统超级管理员')
-    return ins