python实现递归查找某个路径下所有文件中的中文字符

# -*- coding: utf-8 -*-# @ description:# @ author: # @ created: 2018/7/21 import reimport sysimport os reload(sys)sys.setdefaultencoding("utf8")  def translate(str):  out = set()  line = str.strip().decode('utf-8', 'ignore') # 处理前进行相关的处理，包括转换成Unicode等  p2 = re.compile(ur'[^/u4e00-/u9fa5]') # 中文的编码范围是：/u4e00到/u9fa5  zh = " ".join(p2.split(line)).strip()  # zh = "/n".join(zh.split()) #dsds经过相关处理后得到中文的文本  for s in zh.split():    out.add(s) # 经过相关处理后得到中文的文本  return out def extract_file(path):  result = set()  try:    f = open(path) # 打开文件    lines = f.readlines()    for line in lines:      string = translate(line)      if string:        result.update(string)  except Exception as e:    pass  return result  def extract(path):  result = set()  files = os.listdir(path)  for file in files:    if not file.startswith("."):      if not os.path.isdir(path + "/" + file): # 判断是否是文件夹，不是文件夹才打开ssgsg判断是否是文件夹，不是文件夹才打开        sub_file = extract_file(path + "/" + file)        if sub_file:          result.update(sub_file)      else:        print file        child = extract(path + "/" + file)        if child:          result.update(child)  return result  if __name__ == '__main__':  path = "/Users/common"  result = extract(path)  res_file = open("result.txt", "w")  for s in result:    res_file.write(s + "/n")