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【Python】批量修改文件名

作者:leeQbeens / 发布于2014/8/4/ 709


	#coding:utf-8
	#批量修改文件名
	import os
	import re
	import datetime
	
	re_st = r'(\d+)\+\s?\((\d+)\)'
	
	#用于匹配旧的文件名,需含分组
	re_match_old_file_name = re.compile(re_st)
	
	#要修改的目录
	WORKING_PATH = r'F:\Gallery'
	
	
	#----------------------------------------------------------------------
	def rename_fomat(name):
	 """
	 文件重命名格式组织模块(一般修改这里就可以了)
	 NOTE:返回类型必须是unicode
	 """
	 if name:
	 re_rn = re_match_old_file_name.findall(name)
	 if re_rn and re_rn != []:
	 re_rn = re_rn[0]
	 num = int(re_rn)
	 new_nm = u'NO.%04d' % ( num)
	 return new_nm
	
	#----------------------------------------------------------------------
	def logs(error):
	 """
	 错误记录
	 """
	 log = ''
	 LOG_FILE = open(r'./log.txt', 'a')
	 live_info ="""
	==========
	Time : %s
	title : %s
	Path :
	%s
	==========
	""" % (
	 datetime.datetime.now(),
	 str(error['title']),
	 str(error['index']),
	 )
	 log += live_info
	 errors = error['error_paths']
	 for item in errors:
	 item = '%s\n' % item
	 log += item
	 log = log.encode('utf-8')
	 try:
	 LOG_FILE.write(log)
	 except IOError:
	 print u'写入日志失败'
	 finally:
	 LOG_FILE.close()
	
	#----------------------------------------------------------------------
	def rename(old, new):
	 """
	 文件重命名模块
	 return:
	 0:rename success
	 1:the new path is exists
	 -1:rename failed
	 """
	 if not os.path.exists(new):
	 try:
	 os.renames(old, new)
	 return 0
	 except IOError:
	 print 'path error:', new
	 return -1
	 else:
	 return 1
	
	#----------------------------------------------------------------------
	def get_dirs(path):
	 """
	 获取目录列表
	 """
	 if os.path.exists(path):
	 return os.listdir(path)
	 else:
	 return -1
	
	
	#----------------------------------------------------------------------
	def get_input_result(word, choice):
	 """
	 获取正确的输入结果
	 """
	 correct_result = set(choice)
	 word = '===%s?\n[in]:' % (word)
	 while True:
	 in_choice = raw_input(word)
	 if in_choice in correct_result: return in_choice
	
	
	
	#----------------------------------------------------------------------
	def batch_rename(index, dirs = []):
	 """
	 批量修改文件
	 """
	 index = unicode(index)
	 errors = []
	 if dirs == []:
	 dirs = get_dirs(path = index)
	 if dirs and dirs != []:
	 for item in dirs:
	 item = unicode(item)
	 new_name = rename_fomat(item)
	 if new_name :
	 old_pt = u'%s\\%s'% (index, item)
	 new_pt = u'%s\\%s'% (index, new_name)
	 res_rn = rename(old_pt, new_pt)
	 if res_rn != 0:
	 errors.append(item)
	 else:
	 errors.append(item)
	 if errors and errors != []:
	 print 'Rename Failed:'
	 logs({
	 'index': index,
	 'title': 'Rename Failed' ,
	 'error_paths': errors,
	 })
	 for i, item in enumerate(errors):
	 print item, '|',
	 if i % 5 == 4:
	 print ''
	 print ''
	 else:
	 return -1
	
	#----------------------------------------------------------------------
	def batch_rename_test(index):
	 """
	 测试
	 返回过滤结果
	 """
	 index = unicode(index)
	 errors = []
	 correct = []
	 dirs = get_dirs(path = index)
	 if dirs and dirs != []:
	 for x, item in enumerate(dirs):
	 item = unicode(item)
	 new_name = rename_fomat(item)
	 if new_name :
	 correct.append(item)
	 old_pt = u'%s\\%s'% (index, item)
	 new_pt = u'%s\\%s'% (index, new_name)
	 print '[%d]O: %s' % ( x + 1, old_pt)
	 print '[%d]N: %s' % ( x + 1, new_pt)
	 else:
	 errors.append(item)
	 if errors and errors != []:
	 print 'Not Match:'
	 logs({
	 'index': index,
	 'title': 'Not Match',
	 'error_paths': errors,
	 })
	 for i, item in enumerate(errors):
	 print item, '|',
	 if i % 5 == 4:
	 print ''
	 print ''
	 return correct
	
	#----------------------------------------------------------------------
	def manage(index):
	 """
	 程序组织块
	 """
	 file_filter = batch_rename_test(index)
	 do_choice = get_input_result(
	 word = 'Do with this(y / n)',
	 choice = ['y', 'n']
	 )
	 if do_choice == 'y':
	 batch_rename(index, dirs= file_filter)
	 print 'Finished !'
	
	
	if __name__ == '__main__':
	 path = WORKING_PATH
	 manage(index = path)

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