优化自动生成批次序列号方法

sf_warehouse/models/model.py

@@ -1106,6 +1106,9 @@ class SfProcurementGroup(models.Model):
 class SfPickingType(models.Model):
     _inherit = 'stock.picking.type'
 
+    code = fields.Selection([('incoming', 'Receipt'), ('outgoing', 'Delivery'), ('internal', '厂内出入库')],
+                            'Type of Operation', required=True)
+
     def _default_show_operations(self):
         return self.user_has_groups(
             'stock.group_production_lot,'