fat_datetimes.py

def parse_fat_time(nhex):
    if not isinstance(nhex, basestring):
        nhex = '{}'.format(nhex)
    if nhex.startswith('0x'):
        nhex = nhex[2:]
    h = ''.join([nhex[2:], nhex[:2]])
    b = bin(int(h, 16))[2:]
    s = b[-5:]
    m = b[-11:-5]
    h = b[-16:-11]
    return '{}:{}:{}'.format(int(h,2), int(m,2), int(s,2)*2)


def parse_fat_date(nhex):
    if not isinstance(nhex, basestring):
        nhex = '{}'.format(nhex)
    if nhex.startswith('0x'):
        nhex = nhex[2:]
    h = ''.join([nhex[2:], nhex[:2]])
    b = bin(int(h, 16))[2:]
    d = b[-5:]
    m = b[-9:-5]
    y = b[-16:-9]
    return (int(d,2), int(m,2), int(y,2)+1980)