importargparsedefadd_config_options_to_parser(parser):parser.add_argument('--config_path',type=str,default='config/fastspeech.yaml',help="the yaml config file path.")parser.add_argument('--batch_size',type=int,default=32,help="batch size for training.")parser.add_argument('--epochs',type=int,default=10000,help="the number of epoch for training.")parser.add_argument('--lr',type=float,default=0.001,help="the learning rate for training.")parser.add_argument('--save_step',type=int,default=500,help="checkpointing interval during training.")parser.add_argument('--fastspeech_step',type=int,default=70000,help="Global step to restore checkpoint of fastspeech.")parser.add_argument('--use_gpu',type=int,default=1,help="use gpu or not during training.")parser.add_argument('--use_data_parallel',type=int,default=0,help="use data parallel or not during training.")parser.add_argument('--data_path',type=str,default='./dataset/LJSpeech-1.1',help="the path of dataset.")parser.add_argument('--checkpoint_path',type=str,default=None,help="the path to load checkpoint or pretrain model.")parser.add_argument('--save_path',type=str,default='./checkpoint',help="the path to save checkpoint.")parser.add_argument('--log_dir',type=str,default='./log',help="the directory to save tensorboard log.")parser.add_argument('--sample_path',type=str,default='./sample',help="the directory to save audio sample in synthesis.")parser.add_argument('--transtts_path',type=str,default='./log',help="the directory to load pretrain transformerTTS model.")parser.add_argument('--transformer_step',type=int,default=160000,help="the step to load transformerTTS model.")