python - 在 Python 中获取自午夜以来的秒数

Question

我想获得自上个午夜以来过期的秒数。Python中最优雅的方式是什么？

Answer 1

最好对返回当前日期/时间的函数进行一次调用：

from datetime import datetime

now = datetime.now()
seconds_since_midnight = (now - now.replace(hour=0, minute=0, second=0, microsecond=0)).total_seconds()

或者确实

datetime.now() - datetime.now()

为这里的任何人返回零时间增量？

Answer 2

import datetime
now = datetime.datetime.now()
midnight = now.replace(hour=0, minute=0, second=0, microsecond=0)
seconds = (now - midnight).seconds

或者

import datetime
now = datetime.datetime.now()
midnight = datetime.datetime.combine(now.date(), datetime.time())
seconds = (now - midnight).seconds

选择哪个是口味问题。

Answer 3

我会这样做：

import datetime
import time

today = datetime.date.today()
seconds_since_midnight = time.time() - time.mktime(today.timetuple())