añadido addon desde la tienda de apps de Odoo. Imal-Tech

default_product_image/models/product_template.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+from odoo import models, fields, api, tools
+
+
+class ProductTemplate(models.Model):
+    """ Inherit Product Template Settings to add default image product from setting """
+    _inherit = "product.template"
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for val_list in vals_list:
+            if not val_list['image_1920']:
+                product_default_image = self.env['ir.config_parameter'].sudo().get_param(
+                    'res.config.settings.product_default_image')
+                if product_default_image:
+                    val_list['image_1920'] = product_default_image
+
+        return super(ProductTemplate, self).create(vals_list)