[IMP] purchase_only_by_packaging round up product qty

Author: santostelmo

purchase_only_by_packaging/models/purchase_order_line.py

@@ -1,6 +1,8 @@
 # Copyright 2023 Camptocamp SA
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl)
 
+from math import ceil
+
 from odoo import _, api, models
 from odoo.exceptions import ValidationError
 from odoo.tools import float_compare
@@ -47,6 +49,14 @@ def _force_qty_with_package(self):
         self.product_qty = qty
         return True
 
+    @api.onchange("product_packaging_id")
+    def _onchange_product_packaging_id(self):
+        # Round up to the next integer and avoid the Warning raised by
+        # _onchange_product_packaging_id defined in the purchase addon
+        ceiled_product_packaging_qty = ceil(self.product_packaging_qty)
+        self.product_packaging_qty = ceiled_product_packaging_qty or 1
+        return super()._onchange_product_packaging_id()
+
     @api.onchange("product_qty")
     def _onchange_product_qty(self):
         self._force_qty_with_package()