times.py 文件源码

def Time_or_None(s):
    try:
        h, m, s = s.split(':')
        h, m, s = int(h), int(m), float(s)
        return time(hour=h, minute=m, second=int(s),
                    microsecond=int(math.modf(s)[0] * 1000000))
    except ValueError:
        return None