utils.py 文件源码

def get_temp_file_name(tmp_dir=None, extension=''):
    """Return an availiable name for temporary file."""
    tmp_name = next(tempfile._get_candidate_names())
    if not tmp_dir:
        tmp_dir = tempfile._get_default_tempdir()
    if extension is not None:
        tmp_name = tmp_name + '.' + extension
    return os.path.join(tmp_dir, tmp_name)