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主页 / 问题 / 1250471
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hedgehogues
hedgehogues
Asked:2022-03-02 10:54:57 +0000 UTC2022-03-02 10:54:57 +0000 UTC 2022-03-02 10:54:57 +0000 UTC

编码问题。编码转换

  • 772

确定文件编码的实用程序有哪些?任务很简单。我收到文件,我需要将它们从 X 编码转换为“utf-8”。如何决定?

кодировка
  • 2 2 个回答
  • 10 Views

2 个回答

  • Voted
  1. CrazyElf
    2022-03-02T15:10:59Z2022-03-02T15:10:59Z

    python中有一个很好的 chardet库。我为您的任务草拟了一份代码草案。我检查了输入中的文件cp1251,utf-8它似乎有效。

    import chardet
    
    filename = 'testfile.txt'
    with open(filename, 'rb') as f_det:
        rawdata = f_det.read()
        enc = chardet.detect(rawdata)
        print(enc)
    if enc['encoding'] != 'utf-8':
        text = rawdata.decode(enc['encoding'])
        with open(filename + '_utf-8', 'w', encoding='utf-8') as f_out:
            f_out.writelines(text)
    
    • 2
  2. Best Answer
    hedgehogues
    2022-03-09T06:05:14Z2022-03-09T06:05:14Z

    我以一种简单的方式做到了。我从这里获取了 python 的所有标准编码并这样做了:

    def decode(contents):
        """
        decode gets any bytes and try transform it to all standart encode. All variants this function returns as list of strings
        
        list standart encoding https://docs.python.org/3/library/codecs.html#standard-encodings
        """
        encodings = [
            "ascii","big5","big5hkscs","cp037","cp273","cp424","cp437","cp500","cp720","cp737","cp775","cp850","cp852",
            "cp855","cp856","cp857","cp858","cp860","cp861","cp862","cp863","cp864","cp865","cp866","cp869","cp874","cp875",
            "cp932","cp949","cp950","cp1006","cp1026","cp1125","cp1140","cp1250","cp1251","cp1252","cp1253","cp1254",
            "cp1255","cp1256","cp1257","cp1258","euc_jp","euc_jis_2004","euc_jisx0213","euc_kr","gb2312","gbk","gb18030",
            "hz","iso2022_jp","iso2022_jp_1","iso2022_jp_2","iso2022_jp_2004","iso2022_jp_3","iso2022_jp_ext","iso2022_kr",
            "latin_1","iso8859_2","iso8859_3","iso8859_4","iso8859_5","iso8859_6","iso8859_7","iso8859_8","iso8859_9",
            "iso8859_10","iso8859_11","iso8859_13","iso8859_14","iso8859_15","iso8859_16","johab","koi8_r","koi8_t",
            "koi8_u","kz1048","mac_cyrillic","mac_greek","mac_iceland","mac_latin2","mac_roman","mac_turkish","ptcp154",
            "shift_jis","shift_jis_2004","shift_jisx0213","utf_32","utf_32_be","utf_32_le","utf_16","utf_16_be",
            "utf_16_le","utf_7","utf_8","utf_8_sig",
        ]
        succeed = []
        for e in encodings:
            try:
                contents.decode(e)
                succeed.append(e)
            except:
                pass
        return succeed
    

    设计成小萝卜的形式。

    • 0

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