# Copyright 2017 Avoin.Systems # Copyright 2017 Eficent Business and IT Consulting Services, S.L. # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). import logging from odoo import _, api, fields, models from odoo.exceptions import ValidationError _logger = logging.getLogger(__name__) class Paper(models.Model): _inherit = "report.paperformat" custom_params = fields.One2many( "report.paperformat.parameter", "paperformat_id", "Custom Parameters", help="Custom Parameters passed forward as wkhtmltopdf command arguments", ) @api.constrains("custom_params") def _check_recursion(self): for paperformat in self: sample_html = """

Hello World!

""" contenthtml = [bytes(sample_html, "utf-8")] report = self.env["ir.actions.report"].new( {"paperformat_id": paperformat.id} ) content = report._run_wkhtmltopdf(contenthtml) if not content: raise ValidationError( _("Failed to create a PDF using the provided parameters.") )