Deletes the specified path under a fixed format, ending with .log, three days ago the file, or delete an empty log file

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　　Deletes the specified path under a fixed format, ending with .log, three days ago the file, or delete an empty log file.

　　Log File Format: XXXX_2019-01-01.log.

import os,datetime

# Determine whether the file is empty, if you delete an empty 
DEF del_file (File):
    with open(file,encoding='utf-8') as f:
        if f.read():
            pass
        else:
            f.close()
            os.remove(file)

# Find xx end of the specified file path 
DEF search_file (path, name):
     for cur_dir, dirs, Files in os.walk (path):
         for File in Files:
             IF name in File:
                abs_path with = the os.path.join (cur_dir, File)
                 Print ( ' !% s file path% s ' % (File, abs_path with))
                file_date = file[-14:-4]
                file_datetime = datetime.datetime.strptime(file_date,'%Y-%m-%d')
                now = datetime.datetime.now()
                sub_day = (now - file_datetime).days
                if sub_day > 3:
                    os.remove(abs_path)
                else:
                    del_file(abs_path)


search_file('\练习\logs',name = '.log')