@classmethod
    def get_supported(cls):
        """Retrieves a list with names of all supproted character sets
        
        Returns a tuple.
        """
        res = []
        for info in cls.desc:
            if info and info[0] not in res:
                res.append(info[0])
        return tuple(res)
dataset/ETHPy150Open appnexus/schema-tool/schematool/mysql/connector/constants.py/CharacterSet.get_supported/original