Python 把txt文档的编码批量转化为utf-8

files = os.listdir(".")#获取当前目录下的文件
from chardet.universaldetector import UniversalDetector

def get_encode_info(file):
 with open(file, 'rb') as f:
     detector = UniversalDetector()
     for line in f.readlines():
         detector.feed(line)
         if detector.done:
             break
     detector.close()
     return detector.result['encoding']

def read_file(file):
    with open(file, 'rb') as f:
        return f.read()

def write_file(content, file):
    with open(file, 'wb') as f:
        f.write(content)

def convert_encode2utf8(file, original_encode, des_encode):
    file_content = read_file(file)
    file_decode = file_content.decode(original_encode,'ignore')
    file_encode = file_decode.encode(des_encode)
    write_file(file_encode, file)

if __name__ == "__main__":
    for filename in files:
        file_content = read_file(filename)
        encode_info = get_encode_info(filename)
        if encode_info != 'utf-8':
            convert_encode2utf8(filename, encode_info, 'utf-8')
        encode_info = get_encode_info(filename)
        print(encode_info)