upd

product_standard_price_restriction/__manifest__.py

@@ -10,6 +10,7 @@
     "license": "AGPL-3",
     "depends": ["product"],
     "data": [
+        "views/res_config_setting_views.xml",
         "views/product_template_views.xml"
     ],
     "installable": True,

product_standard_price_restriction/models/__init__.py

@@ -1 +1,3 @@
+from . import res_company
+from . import res_config_settings
 from . import product_template

product_standard_price_restriction/models/product_template.py

@@ -14,19 +14,6 @@ class ProductTemplate(models.Model):
     def write(self, vals):
         if "standard_price" in vals:
             if not vals.get('update_cost', self.update_cost):
-                raise UserError(
-                    _(
-                        "You are about to update the cost. This field is "
-                        "auto-calculated by Odoo and is an 'Weighted Average Value' of "
-                        "one unit of this product in current inventory. This is "
-                        "not the 'Price' or 'Cost' to buy this item -- that is "
-                        "set in the 'Purchase' TAB. This value should not be "
-                        "modified unless there are very unusual circumstances. "
-                        "In such a situation, please set the 'Update Cost' "
-                        "field to 'True' and save the record again. Additionally, "
-                        "please make sure to write a detailed 'Log' below "
-                        "of what you are changing (from what to what) and why."
-                    )
-                )
+                raise UserError(_(self.company_id.product_standard_price_restriction))
         vals['update_cost'] = False
         return super(ProductTemplate, self).write(vals)

product_standard_price_restriction/models/res_company.py

@@ -0,0 +1,9 @@
+# Copyright 2023 Quartile Limited
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, fields, models
+
+class ResCompany(models.Model):
+    _inherit = "res.company"
+
+    product_standard_price_restriction = fields.Text()

product_standard_price_restriction/models/res_config_settings.py

@@ -0,0 +1,9 @@
+# Copyright 2023 Quartile Limited
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, fields, models
+
+class ResConfigSetting(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    product_standard_price_restriction = fields.Text(related="company_id.product_standard_price_restriction", readonly=False)

product_standard_price_restriction/views/res_config_setting_views.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="res_config_settings_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit</field>
+        <field name="model">res.config.settings</field>
+        <field name="priority" eval="25" />
+        <field
+            name="inherit_id"
+            ref="product.res_config_settings_view_form"
+        />
+        <field name="arch" type="xml">
+            <xpath
+                expr="//field[@name='product_weight_in_lbs']/../../../.."
+                position="after"
+            >
+                <div class="col-xs-12 col-md-6 o_setting_box">
+                    <div class="o_setting_left_pane" />
+                    <div class="o_setting_right_pane">
+                        <label
+                            for="product_standard_price_restriction"
+                            string="Product Standard Price Restriction"
+                        />
+                        <div class="text-muted">
+                            Error message for product standard price restriction
+                        </div>
+                        <div class="text-muted">
+                            <field name="product_standard_price_restriction" />
+                        </div>
+                    </div>
+                </div>
+            </xpath>
+        </field>
+    </record>
+</odoo>