code: def _get_data_file_from_url(
      cache_dir: Path, url: str, archive_member: Optional[Path]
  ) -> Path:
      """
      Downloads a URL to a file, and returns the path to it.
  
      This will cache the downloaded file, and return the cached result if present.
  
      :param cache_dir: Where to read / write downloaded data.
      :param url: URL to download.
      :param archive_member: If not `None` the URL is assumed to point to a zip-file, which will be
          un-zipped, and the member with this relative path will be returned.
          If `None` the downloaded file will be returned without unzipping.
      """
      file_name = Path(urlparse(url).path).name
      file_path = cache_dir / file_name
      if not file_path.is_file():
          cache_dir.mkdir(parents=True, exist_ok=True)
          with urlopen(url) as response:
              data = response.read()
          file_path.write_bytes(data)
          if archive_member:
              with zipfile.ZipFile(file_path, "r") as archive:
                  archive.extract(str(archive_member), cache_dir)
      if archive_member:
          return cache_dir / archive_member
      return file_path
  
imports: import zipfile
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from functools import wraps
  from pathlib import Path
  from typing import AbstractSet, Callable, Optional, Tuple
  from urllib.parse import urlparse
  from urllib.request import urlopen
  import numpy
  import pandas
  from check_shapes import check_shapes
  from benchmark.registry import TaggedRegistry
  from benchmark.tag import Tag, TagReq
  from gpflow.base import AnyNDArray
label_desc: Use image node_id 4 for calling a global function with example usage: _get_data_file_from_url(cache_dir, url, archive_member) and returns: file_path, unknown