时间

time.strftime("%Y%m%d%H%M%S", time.localtime(time.time()))

today = datetime.now().strftime('%Y-%m-%d %H:%M:%S')

def yield_day(start_day, stop_time=None):
    if isinstance(stop_time, str):
        stop_time = datetime.datetime.strptime(stop_time, '%Y-%m-%d').date() + datetime.timedelta(days=1)
    else:
        stop_time = datetime.date.today()
    start_time = datetime.datetime.strptime(start_day, '%Y-%m-%d').date()
    while True:
        yield start_time
        start_time = start_time + datetime.timedelta(days=1)
        if time.mktime(start_time.timetuple()) >= time.mktime(stop_time.timetuple()):
            break

time.strptime(time1, '%Y-%m-%d')