unicode python 3 equivalent



我目前正在尝试将一段代码从python 2转换为python 3,但我找不到相当于unicode的python 3

class NavigableString(unicode_literals, PageElement):
    def toEncoding(self, s, encoding=None):
    """Encodes an object to a string in some encoding, or to Unicode.
    ."""
    if isinstance(s, unichr()):
        if encoding:
            s = s.encode(encoding)
    elif isinstance(s, str):
        if encoding:
            s = s.encode(encoding)
        else:
            s = unicode_literals(s)
    else:
        if encoding:
            s  = self.toEncoding(str(s), encoding)
        else:
            s = unicode_literals(s)
    return s

Python 3 中的常规字符串是 unicode。你必须在Python 3中不遗余力地获得bytestring(非Unicode)。

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