timestamp.py 文件源码

def in_words_from_now(stamp, sep='_', precision='{:0.1f}'):
    if stamp is None:
        return 'never'
    nw = now()
    if nw > stamp:
        words = ('ago',)
        rdate = delta(nw, stamp)
    else:
        words = ('from', 'now')
        rdate = delta(stamp, nw)
    if rdate.days > 0 or rdate.weeks > 0 or rdate.months > 0 or rdate.years > 0:
        return stamp.astimezone(dateutil.tz.tzlocal()).isoformat()
    if rdate.hours > 0:
        value = rdate.hours + (rdate.minutes / 60.0)
        label = 'hours'
    elif rdate.minutes > 0:
        value = rdate.minutes + (rdate.seconds / 60.0)
        label = 'min'
    else:
        value = rdate.seconds + (rdate.microseconds / 1000000.0)
        label = 'sec'
    return sep.join((precision.format(value), label) + words)