Python删除同一个文件夹下的重复文件代码

#!/usr/bin/env?python
#coding:?utf-8

import?md5
import?os
from?time?import?clock?as?now


def?getmd5(filename):
????file_txt?=?open(filename,?'rb').read()
????m?=?md5.new(file_txt)
????return?m.hexdigest()


def?main():
????path?=?u'C:aabbccdd'
????all_md5?=?{}
????all_size?=?{}
????total_file?=?0
????total_delete?=?0
????start?=?now()
????for?file?in?os.listdir(path):
????????total_file?+=?1
????????real_path?=?os.path.join(path,?file)
????????if?os.path.isfile(real_path)?==?True:
????????????size?=?os.stat(real_path).st_size
????????????name_and_md5?=?[real_path,?'']
????????????if?size?in?all_size.keys():
????????????????new_md5?=?getmd5(real_path)
????????????????if?all_size[size][1]?==?'':
????????????????????all_size[size][1]?=?getmd5(all_size[size][0])
????????????????if?new_md5?in?all_size[size]:
????????????????????total_delete?+=?1
????????????????????print?u'删除',?file
????????????????????try:
????????????????????????os.remove(os.path.join(path,?file))
????????????????????except:
????????????????????????print?'No?such?file:?%s'?%?file
????????????????else:
????????????????????all_size[size].append(new_md5)
????????????else:
????????????????all_size[size]?=?name_and_md5
????end?=?now()
????time_last?=?end?-?start
????print?u'文件总数:?',?total_file
????print?u'删除个数:?',?total_delete
????print?u'耗时:?',?time_last,?'秒'


if?__name__?==?'__main__':
????main()

try:
????os.remove(os.path.join(path,?file))
except:
????print?'No?such?file:?%s'?%?file