old_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import http
  from odoo.addons.website_sale.controllers.variant import WebsiteSaleVariantController
  
  
  class WebsiteSaleStockVariantController(WebsiteSaleVariantController):
      @http.route()
      def get_combination_info_website(self, product_template_id, product_id, combination, add_qty, **kw):
          kw['context'] = {'website_sale_stock_get_quantity': True}
          return super(WebsiteSaleStockVariantController, self).get_combination_info_website(product_template_id, product_id, combination, add_qty, **kw)
  
new_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import http
  from odoo.addons.website_sale.controllers.variant import WebsiteSaleVariantController
  
  
  class WebsiteSaleStockVariantController(WebsiteSaleVariantController):
      @http.route()
      def get_combination_info_website(self, product_template_id, product_id, combination, add_qty, **kw):
          kw['context'] = kw.get('context', {})
          kw['context'].update(website_sale_stock_get_quantity=True)
          return super(WebsiteSaleStockVariantController, self).get_combination_info_website(product_template_id, product_id, combination, add_qty, **kw)
  
subject: allow override of context