tzinfo.py 文件源码

def __init__(self, offset):
        if isinstance(offset, timedelta):
            self.__offset = offset
            offset = self.__offset.seconds // 60
        else:
            self.__offset = timedelta(minutes=offset)

        sign = offset < 0 and '-' or '+'
        self.__name = u"%s%02d%02d" % (sign, abs(offset) / 60., abs(offset) % 60)