相关疑难解决方法(0)

如何从numpy.timedelta64变量获得几秒钟的时差？

time1 = '2012-10-05 04:45:18'
time2 = '2012-10-05 04:44:13'
dt = np.datetime64(time1) - np.datetime64(time2)
print dt

0:01:05

我想转换dt为数字(int或float),表示以秒为单位的时差.