docs: def temporary_file(mode):
      """Cross platform temporary file creation.
  
      This is an alternative to ``tempfile.NamedTemporaryFile`` that
      also works on windows and avoids the "file being used by
      another process" error.
      """
      tempdir = tempfile.gettempdir()
      basename = 'tmpfile-%s' % (uuid.uuid4())
      full_filename = os.path.join(tempdir, basename)
      if 'w' not in mode:
          # We need to create the file before we can open
          # it in 'r' mode.
          open(full_filename, 'w').close()
      try:
          with open(full_filename, mode) as f:
              yield f
      finally:
          os.remove(f.name)