import os
import datetime

def print_tree(dir_path):

    for name in sorted(os.listdir(dir_path)):

        full_path = os.path.join(dir_path, name)

        file_size = os.path.getsize(full_path)

        modify_time = datetime.datetime.fromtimestamp(os.path.getmtime(full_path))

        print('%s\t%s\t%s' % (full_path.ljust(26), str(file_size).ljust(6), modify_time))

        if os.path.isdir(full_path):

            print_tree(full_path)

if __name__ == '__main__':

    print_tree('e:/test')

'''

e:/test\111                   4096      2018-05-02 17:42:51.417505

e:/test\111\aaa               0         2018-05-02 17:43:05.443528

e:/test\111\aaa\efg.docx      0         2018-05-02 17:42:57.966647

e:/test\111\abc.xlsx          6610      2018-05-02 17:42:38.974835

e:/test\222                   0         2018-05-02 17:21:28.839784

e:/test\333                   0         2018-05-02 17:21:32.269475

e:/test\444.txt               0         2018-05-02 17:22:55.221821

e:/test\Hello.txt             0         2018-05-02 17:27:56.921054

e:/test\a123.txt              490       2018-05-06 18:42:55.688596

e:/test\marshal_test.dat      102       2018-05-06 20:32:17.170066

e:/test\sample_pickle.dat     235       2018-05-06 19:37:36.338858

e:/test\sample_struct.dat     18        2018-05-06 20:12:12.599015

e:/test\shelve_test.dat.bak    125       2018-05-06 20:15:30.979789

e:/test\shelve_test.dat.dat    3083      2018-05-06 20:15:30.979789

e:/test\shelve_test.dat.dir    125       2018-05-06 20:15:30.979789

'''