code: def build_data_from_path(dpath, version, downloadable_files):
      if not build_data.built(dpath, version_string=version):
          print("[building data: " + dpath + "]")
          if build_data.built(dpath):
              # An older version exists, so remove these outdated files
              build_data.remove_dir(dpath)
          build_data.make_dir(dpath)
  
          # Download the data
          for downloadable_file in downloadable_files:
              downloadable_file.download_file(dpath)
  
          # Mark the data as built
          build_data.mark_done(dpath, version_string=version)
  
      return dpath, version
  
file_path: ParlAI/parlai/tasks/bot_adversarial_dialogue/build.py
imports: import os
  import parlai.core.build_data
  from parlai.core.build_data import DownloadableFile
  from parlai.core.opt import Opt
label_desc: Use image node_id 7 for calling a global function with example usage: build_data_from_path(dpath, version, downloadable_files) and returns: dpath,  version