from odoo import api, models class IrActionsReport(models.Model): _inherit = "ir.actions.report" @api.model def get_paperformat(self): # Allow to define paperformat via context res = super().get_paperformat() if self.env.context.get("paperformat_id"): res = self.env["report.paperformat"].browse( self.env.context.get("paperformat_id")) return res