def _install_printer_ppd()

in export/securedrop_export/print/service.py [0:0]


    def _install_printer_ppd(self, uri):
        if not any(x in uri for x in self.SUPPORTED_PRINTERS):
            logger.error(f"Cannot install printer ppd for unsupported printer: {uri}")
            raise ExportException(sdstatus=Status.ERROR_PRINTER_NOT_SUPPORTED)

        if self.BROTHER in uri:
            printer_driver = self.BRLASER_DRIVER
            printer_ppd = self.BRLASER_PPD
        elif self.LASERJET in uri:
            printer_driver = self.LASERJET_DRIVER
            printer_ppd = self.LASERJET_PPD

        # Compile and install drivers that are not already installed
        if not os.path.exists(printer_ppd):
            logger.info("Installing printer drivers")
            self.check_output_and_stderr(
                command=[
                    "sudo",
                    "ppdc",
                    printer_driver,
                    "-d",
                    "/usr/share/cups/model/",
                ],
                error_status=Status.ERROR_PRINTER_DRIVER_UNAVAILABLE,
                ignore_stderr_startswith=b"ppdc: Warning",
            )

        return printer_ppd