code: def __init__(self, config):
      self.text_processor = PKLJSONStrTextProcessor(config)
      self.video_ids = list(self.text_processor.data.keys())
  
file_path: fairseq/examples/MMPT/scripts/text_token_extractor/pretokenization.py
imports: import pickle
  import os
  import argparse
  import numpy
  from torch.utils.data import Dataset, DataLoader
  from mmpt.processors import PKLJSONStrTextProcessor
  from mmpt.utils import ShardedTensor, recursive_config
label_desc: Use image node_id 1 to create a new TokenizerDataset object from inherited base classes: Dataset with example: obj = TokenizerDataset(config)