code: def encode_file(self, model_path, path_in, path_out, _):
      encode_command = f"spm_encode "
      encode_command += f" --model={model_path} "
      encode_command += f" --output_format=piece "
      encode_command += f" < {path_in} > {path_out} "
      assert os.system(encode_command) == 0
  
imports: import argparse
  import os
  from pathlib import Path
  from time import time
  from tabulate import tabulate
  from tokenizers import pre_tokenizers
  from tokenizers import Tokenizer
  from tokenizers.models import BPE
  from tokenizers.trainers import BpeTrainer
label_desc: Use image node_id 2 for calling the SentencePieceInterface obj's underlying member method code with example usage: obj.encode_file(model_path, path_in, path_out, _) without return types