code: def get_content_size(self) -> int:
      abspath = self.absolute_path
      if abspath is None:
          return 0
  
      media_file = self._storage.get_file(abspath)
      return media_file.content_size
  
file_path: streamlit/lib/streamlit/web/server/media_file_handler.py
imports: from typing import Optional
  from urllib.parse import quote
  import tornado.web
  from streamlit.logger import get_logger
  from streamlit.runtime.media_file_storage import MediaFileKind, MediaFileStorageError
  from streamlit.runtime.memory_media_file_storage import MemoryMediaFileStorage, get_extension_for_mimetype
  from streamlit.web.server import allow_cross_origin_requests
label_desc: Use image node_id 5 for calling the MediaFileHandler obj's underlying member method code with example usage: obj.get_content_size() and returns: media_file, int