code: def download_and_extract(uri, name, path):  # type: (str, str, str) -> None
      
      if not os.path.exists(path):
          os.makedirs(path)
      if not os.listdir(path):
          with tmpdir() as tmp:
              if uri.startswith('s3://'):
                  dst = os.path.join(tmp, 'tar_file')
                  s3_download(uri, dst)
  
                  with tarfile.open(name=dst, mode='r:gz') as t:
                      t.extractall(path=path)
  
              elif os.path.isdir(uri):
                  if uri == path:
                      return
                  if os.path.exists(path):
                      shutil.rmtree(path)
                  shutil.move(uri, path)
              else:
                  shutil.copy2(uri, os.path.join(path, name))
docs: Download, prepare and install a compressed tar file from S3 or local directory as an entry point.
  
      SageMaker Python SDK saves the user provided entry points as compressed tar files in S3
  
      Args:
          name (str): name of the entry point.
          uri (str): the location of the entry point.
          path (bool): The path where the script will be installed. It will not download and install the
                          if the path already has the user entry point.