class_docstr: Parser for extracting captions from the Flickr8k dataset web page.
code: def handle_data(self, data: str) -> None:
      if self.in_table:
          if data == "Image Not Found":
              self.current_img = None
          elif self.current_tag == "a":
              img_id = data.split("/")[-2]
              img_id = os.path.join(self.root, img_id + "_*.jpg")
              img_id = glob.glob(img_id)[0]
              self.current_img = img_id
              self.annotations[img_id] = []
          elif self.current_tag == "li" and self.current_img:
              img_id = self.current_img
              self.annotations[img_id].append(data.strip())
  
imports: import glob
  import os
  from collections import defaultdict
  from html.parser import HTMLParser
  from typing import Any, Callable, Dict, List, Optional, Tuple
  from PIL import Image
  from .vision import VisionDataset
label_desc: Use image node_id 4 for calling the Flickr8kParser obj's underlying member method code with example usage: obj.handle_data(data) without return types