valute.py 文件源码

def __init__(self, value='0', rounding=ROUND_CEILING):
        # ????????? ??????????????
        self._formatter = get_formatter()

        # ?????????????? ?????
        context = getcontext().copy()
        context.prec = 18
        context.rounding = rounding
        value = Decimal(value)
        self._value = value.quantize(Decimal('.1') ** self._formatter['decimal_places'], context=context)

        # ????? ? ??????? ?????
        self._int, self._frac = str(self._value).rsplit('.', 1)