code: def _copy(src_file, dest_path):
    
    tf.io.gfile.makedirs(os.path.dirname(dest_path))
    with tf.io.gfile.GFile(dest_path, 'wb') as dest_file:
      while True:
        data = src_file.read(io.DEFAULT_BUFFER_SIZE)
        if not data:
          break
        dest_file.write(data)
docs: Copy data read from src file obj to new file in dest_path.