Add plugin system and notice plugin (#503)

* Update system notice to plugin

* Add plugin model alembic support

* update plugin conf

* add plugin route injection

* update plugin route inject

* fix and optimize plugin router inject

backend/common/security/permission.py

@@ -9,7 +9,7 @@ from backend.common.enums import RoleDataRuleExpressionType, RoleDataRuleOperato
 from backend.common.exception import errors
 from backend.common.exception.errors import ServerError
 from backend.core.conf import settings
-from backend.utils.import_parse import dynamic_import
+from backend.utils.import_parse import dynamic_import_data_model
 
 if TYPE_CHECKING:
     from backend.app.admin.schema.data_rule import GetDataRuleDetail
@@ -60,7 +60,10 @@ def filter_data_permission(request: Request) -> ColumnElement[bool]:
         rule_model = rule.model
         if rule_model not in settings.DATA_PERMISSION_MODELS:
             raise errors.NotFoundError(msg='数据规则模型不存在')
-        model_ins = dynamic_import(settings.DATA_PERMISSION_MODELS[rule_model])
+        try:
+            model_ins = dynamic_import_data_model(settings.DATA_PERMISSION_MODELS[rule_model])
+        except (ImportError, AttributeError):
+            raise errors.ServerError(msg=f'数据模型 {rule_model} 动态导入失败，请联系系统超级管理员')
         model_columns = [
             key for key in model_ins.__table__.columns.keys() if key not in settings.DATA_PERMISSION_COLUMN_EXCLUDE
         ]