from odoo import api,models class PurchaseOrderLine(models.Model): _inherit = 'purchase.order.line' def _prepare_account_move_line(self, move=False): res = super()._prepare_account_move_line(move) res.update({'is_landed_costs_line': self.product_id.landed_cost_ok}) return res def _get_po_line_invoice_lines_su(self): #TODO remove in master: un-used po_line_invoices_lines = super()._get_po_line_invoice_lines_su() move = self.sudo().invoice_lines.move_id if move.landed_costs_ids.filtered(lambda lc: lc.state == 'done'): return po_line_invoices_lines | move.line_ids.filtered('is_landed_costs_line') return po_line_invoices_lines