比较python中的时间增量 [英] Comparing a time delta in python
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问题描述
我有一个变量,它是< type'datetime.timedelta'>
,我想将其与某些值进行比较。
I have a variable which is <type 'datetime.timedelta'>
and I would like to compare it against certain values.
让我们说d生成这个 datetime.timedelta
值 0:00:01.782000
Lets say d produces this datetime.timedelta
value 0:00:01.782000
我想像这样比较:
#if d is greater than 1 minute
if d>1:00:
print "elapsed time is greater than 1 minute"
我已经尝试转换 datetime.timedelta.strptime()
但这似乎工作。有更简单的方法来比较这个值吗?
I have tried converting datetime.timedelta.strptime()
but that does seem to work. Is there an easier way to compare this value?
推荐答案
你必须要在指定的时间内创建一个新的 timedelta
: / p>
You'll have to create a new timedelta
with the specified amount of time:
d > timedelta(minutes=1)
或者这个稍微更完整的脚本将有助于阐述:
Or this slightly more complete script will help elaborate:
import datetime
from time import sleep
start = datetime.datetime.now()
sleep(3)
stop = datetime.datetime.now()
elapsed = stop - start
if elapsed > datetime.timedelta(minutes=1):
print "Slept for > 1 minute"
if elapsed > datetime.timedelta(seconds=1):
print "Slept for > 1 second"
输出:
Slept for> 1秒
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