Python生成目录树代码

import os
import os.pathBRANCH &＃61; &＃39;├─&＃39;
LAST_BRANCH &＃61; &＃39;└─&＃39;
TAB &＃61; &＃39;│ &＃39;
EMPTY_TAB &＃61; &＃39; &＃39;def get_dir_list(path, placeholder&＃61;&＃39;&＃39;):folder_list &＃61; [folder for folder in os.listdir(path) if os.path.isdir(os.path.join(path, folder))]file_list &＃61; [file for file in os.listdir(path) if os.path.isfile(os.path.join(path, file))]result &＃61; &＃39;&＃39;for folder in folder_list[:-1]:result &＃43;&＃61; placeholder &＃43; BRANCH &＃43; folder &＃43; &＃39;\n&＃39;result &＃43;&＃61; get_dir_list(os.path.join(path, folder), placeholder &＃43; TAB)if folder_list:result &＃43;&＃61; placeholder &＃43; (BRANCH if file_list else LAST_BRANCH) &＃43; folder_list[-1] &＃43; &＃39;\n&＃39;result &＃43;&＃61; get_dir_list(os.path.join(path, folder_list[-1]), placeholder &＃43; (TAB if file_list else EMPTY_TAB))for file in file_list[:-1]:result &＃43;&＃61; placeholder &＃43; BRANCH &＃43; file &＃43; &＃39;\n&＃39;if file_list:result &＃43;&＃61; placeholder &＃43; LAST_BRANCH &＃43; file_list[-1] &＃43; &＃39;\n&＃39;return resultif __name__ &＃61;&＃61; &＃39;__main__&＃39;:print(os.path.dirname(os.getcwd()))print(get_dir_list(os.path.dirname(os.getcwd())))