2013-02-09 44 views
5

我想環路兩個時間之間,從8:00到17:00,每15分鐘我想環路兩個時間之間,從8:00到17:00,每15分鐘

的預計產量會像

[8:00, 8:15, 8:30, 8:45, 9:00] 

的時間列表這是迄今爲止我

now = datetime(2013, 2, 9, 8, 00) 
end = now + timedelta(hours=9) 

但我無法弄清楚如何運行循環回到了我想要的清單。

感謝您的期待。

+0

好的。但不完全正確。因爲我不需要日期時間對象,所以我只需要提到的時間段。 slot = now while slot <= end: ... print slot.strftime(「%H%M」) ... slot = slot + timedelta(minutes = 15) – mmrs151 2013-02-09 01:26:42

回答

3

您的意思是?

>>> now = datetime(2013,2,9,8,0) 
>>> end = now + timedelta(hours=9) 
>>> while now <= end: 
     print 'doing something at', now 
     now += timedelta(minutes=15) 

doing something at 2013-02-09 08:00:00 
doing something at 2013-02-09 08:15:00 
doing something at 2013-02-09 08:30:00 
doing something at 2013-02-09 08:45:00 
../.. 
2
l=[] 

while now<end: 
    l.append(now) 
    now+=timedelta(minutes=15) 
3

這工作:

import datetime 

now = datetime.datetime(2013, 2, 9, 8, 00) 
end=now+datetime.timedelta(hours=9) 

l=[] 
while now<=end: 
    l.append(now) 
    now+=datetime.timedelta(minutes=15) 

print [t.strftime("%H:%M") for t in l] 

打印:

['08:00', '08:15', '08:30', '08:45', '09:00', '09:15', '09:30', '09:45', '10:00', '10:15', '10:30', '10:45', '11:00', '11:15', '11:30', '11:45', '12:00', '12:15', '12:30', '12:45', '13:00', '13:15', '13:30', '13:45', '14:00', '14:15', '14:30', '14:45', '15:00', '15:15', '15:30', '15:45', '16:00', '16:15', '16:30', '16:45', '17:00'] 
2

如果你可以計算的時間提前列表中的元素的數量,您可以使用此:

輸入:

import datetime 
now = datetime.datetime(2013, 2, 9, 8, 00) 
print [(now + datetime.timedelta(minutes=15*n)).strftime('%H:%M') for n in range(37)] 

輸出:

['08:00', '08:15', '08:30', '08:45', '09:00', '09:15', '09:30', '09:45', '10:00', '10:15', '10:30', '10:45', '11:00', '11:15', '11:30', '11:45', '12:00', '12:15', '12:30', '12:45', '13:00', '13:15', '13:30', '13:45', '14:00', '14:15', '14:30', '14:45', '15:00', '15:15', '15:30', '15:45', '16:00', '16:15', '16:30', '16:45', '17:00'] 
1
import datetime as dt 

def timerange (start, end, step): 
    while start < end: 
     yield start 
     start += step 

for x in timerange (dt.datetime (2013, 2, 9, 8), dt.datetime (2013, 2, 9, 17), dt.timedelta (minutes = 15)): 
     print (x) 

情況下你需要加緊時間範圍更加頻繁。

1

我會認真的給Delorean認真看看做這樣的事情會很容易,因爲for循環。

>>> import delorean 
>>> from delorean import stops 
>>> for stop in stops(freq=delorean.MINUTELY, count=4, start=d1, interval=15): 
...  print stop.datetime 
... 
2012-05-06 00:00:00+00:00 
2012-05-06 00:15:00+00:00 
2012-05-06 00:30:00+00:00 
2012-05-06 00:45:00+00:00 

您還可以提供一個停止時間,這將是您的問題的一個很好的例子。