def get_zpl_printer(self): printer = StateManager.getInstance().printer_zpl # print test request coming out if printer.print_test_request: self.push_task('printstatus') printer.print_test_request = False printer_device = None try: printer_device = Usb(printer.vendor_id, printer.product_id) printer.status = Printer.STATUS_CONNECTED return printer_device except usb.core.USBError: printer.status = Printer.STATUS_DISCONNECTED finally: if printer.status != self.current_printer_status: self.current_printer_status = printer.status if printer_device: self.set_status( 'connected', "Connected to %s (in=0x%02x,out=0x%02x)" % (printer.description, printer_device.in_ep, printer_device.out_ep)) else: self.set_status('disconnected', 'Printer Not Found') # update status in GUI self.printer_status_signal.emit(str(StateManager.ZPL_PRINTER), str(printer.status)) return printer_device
def setup_log(): state = StateManager.getInstance() logformat = '%(asctime)s - %(funcName)s - %(levelname)s: %(message)s' if state.is_frozen is False: logging.basicConfig(format=logformat, level=state.log.level, handlers=[logging.StreamHandler()]) else: logging.basicConfig(format=logformat, level=state.log.level, filename=state.get_log().filename, filemode='a')
def run(self): app = HTTPServer() def get_all_subclasses(cls): all_subclasses = [] for subclass in cls.__subclasses__(): all_subclasses.append(subclass) all_subclasses.extend(get_all_subclasses(subclass)) return all_subclasses # register all controller controllers = get_all_subclasses(Controller) for controller in controllers: controller.register(app) app.install(EnableCorsPlugin()) app.install(JSONRPCPlugin()) port = StateManager.getInstance().web_service.port app.run(host='0.0.0.0', port=port, debug=False)
def __init__(self, parent=None): super(LinkBox, self).__init__(parent) self.state = StateManager.getInstance() self.state.set_dialog(self) self.setupUi(self) self.setWindowTitle('LinkBox') self._register_thread() self._register_signal() # attribute registration self.printer_zpl_model = QtGui.QStandardItemModel() self.printer_escpos_model = QtGui.QStandardItemModel() # update status try: self._init_ui() except usb.core.NoBackendError as e: QtWidgets.QMessageBox.question(self, 'System Error', str(e), QtWidgets.QMessageBox.Close) sys.exit()
def show_dialog(self): StateManager.getInstance().show_dialog()