Fix how row grid values are fetched, for row proxy objects

per changes coming in SQLAlchemy 2.0

tailbone/grids/core.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -33,7 +33,6 @@ from sqlalchemy import orm
 
 from rattail.db.types import GPCType
 from rattail.util import prettify, pretty_boolean, pretty_quantity
-from rattail.time import localtime
 
 import webhelpers2_grid
 from pyramid.renderers import render
@@ -478,6 +477,11 @@ class Grid(object):
 
         :returns: The value, or ``None`` if no value was found.
         """
+        # TODO: this seems a little hacky, is there a better way?
+        # nb. this may only be relevant for import/export batch view?
+        if isinstance(obj, sa.engine.Row):
+            return obj._mapping[column_name]
+
         try:
             return obj[column_name]
         except KeyError:
@@ -503,7 +507,8 @@ class Grid(object):
         value = self.obtain_value(obj, column_name)
         if value is None:
             return ""
-        value = localtime(self.request.rattail_config, value)
+        app = self.request.rattail_config.get_app()
+        value = app.localtime(value)
         return raw_datetime(self.request.rattail_config, value)
 
     def render_enum(self, obj, column_name):
@@ -1724,7 +1729,7 @@ class CustomWebhelpersGrid(webhelpers2_grid.Grid):
         self.renderers = kwargs.pop('renderers', {})
         self.linked_columns = kwargs.pop('linked_columns', [])
         self.extra_record_class = kwargs.pop('extra_record_class', None)
-        super(CustomWebhelpersGrid, self).__init__(itemlist, columns, **kwargs)
+        super().__init__(itemlist, columns, **kwargs)
 
     def generate_header_link(self, column_number, column, label_text):