[FIX] Validation should be done during chunk processing

sale_import_delivery_carrier/components/importer_sale_channel.py

@@ -1,5 +1,7 @@
 #  Copyright (c) Akretion 2020
 #  License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+from odoo import _
+from odoo.exceptions import ValidationError
 from odoo.tools import float_compare
 
 from odoo.addons.component.core import Component
@@ -15,6 +17,8 @@ def _prepare_sale_vals(self, data):
         carrier_id = self.env["delivery.carrier"].search(
             [("name", "=", data["delivery_carrier"]["name"])]
         )
+        if not carrier_id:
+            raise ValidationError(_("Couldn't find a carrier with given name"))
         vals.update({"carrier_id": carrier_id.id})
         return vals
 

sale_import_delivery_carrier/datamodels/delivery_carrier.py

@@ -1,8 +1,5 @@
 #  Copyright (c) Akretion 2020
 #  License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
-from marshmallow_objects import ValidationError, validates
-
-from odoo import _
 
 from odoo.addons.datamodel import fields
 from odoo.addons.datamodel.core import Datamodel
@@ -11,12 +8,6 @@
 class DeliveryCarrierDatamodel(Datamodel):
     _name = "delivery.carrier"
 
-    @validates("name")
-    def _validate_name(self, name):
-        carrier = self._env["delivery.carrier"].search([("name", "=", name)])
-        if not carrier:
-            raise ValidationError(_("Couldn't find a carrier with given name"))
-
     name = fields.Str(required=True)
     price_unit = fields.Decimal(required=True)
     discount = fields.Decimal()