codec.py

coding = codec_detector(file)
  with io.open(file, encoding=coding) as word_list:
    print(word_list.readlines())


def codec_detector(file):
        codec = ''
        with open(file) as word_list:
                BOM = word_list.read(2)
                if BOM == b'\xff\xfe' or BOM == b'\xff\xef':
                        codec="utf-16"
                else:
                        codec="utf-8"
        return codec