[英]Why is Python datetime time delta not found?
I am trying to make an array of dates in mmddyyyy format. 我想用mmddyyyy格式制作一系列日期。 The dates will start on the current day and then go two weeks into the future.
日期将从当天开始,然后在未来两周内开始。 So it all depends on the starting date.
所以这一切都取决于开始日期。 When I run my code I get an error that states:
当我运行我的代码时,我得到一个错误,指出:
Traceback (most recent call last):
File "timeTest.py", line 8, in <module>
day = datetime.timedelta(days=i)
AttributeError: type object 'datetime.datetime' has no attribute 'timedelta'
I am not sure why this is happening because after searching online, I noticed that people are using the 'timedelta' in this way. 我不确定为什么会这样,因为在网上搜索后,我注意到人们正在以这种方式使用'timedelta'。
Here is my code: 这是我的代码:
import time
from datetime import datetime, date, time, timedelta
dayDates = []
today = datetime.now()
dayDates.append(today.strftime("%m%d%Y"))
for i in range(0,14):
day = today + datetime.timedelta(days=i)
print day
import time
from datetime import datetime, date, time, timedelta
dayDates = []
today = datetime.now()
dayDates.append(today.strftime("%m%d%Y"))
for i in range(0,14):
day = today + datetime.timedelta(days=i)
print day
The error that you are getting says, that datetime
has no attribute timedelta
. 你得到的错误是,
datetime
没有属性timedelta
。 It happens, because you have imported from datetime
specific things. 它发生了,因为你从
datetime
特定的东西导入。 In order to access timedelta
now you type timedelta
instead of datetime.timedelta
. 现在,您可以键入
timedelta
而不是datetime.timedelta
来访问timedelta
。
import time
from datetime import datetime, date, time, timedelta
dayDates = []
today = datetime.now()
dayDates.append(today.strftime("%m%d%Y"))
for i in range(0,14):
day = today + timedelta(days=i)
print day
Like that, your code should work properly. 像那样,你的代码应该正常工作。 Also, pay closer attention to the error messages and try to read them carefully.
另外,请密切注意错误消息并尝试仔细阅读。 If you focus enough, you often can sort out the problem basing on them on your own.
如果你足够专注,你通常可以自己解决问题。
You already imported timedelta
. 你已经导入了
timedelta
。 You don't need to access it through datetime. 您无需通过日期时间访问它。
import time
from datetime import datetime, date, time, timedelta
dayDates = []
today = datetime.now()
dayDates.append(today.strftime("%m%d%Y"))
for i in range(0,14):
day = today + timedelta(days=i)
print day
The method you want to call is datetime.timedelta
, as seen here . 你要调用的方法是
datetime.timedelta
,因为看到这里 。 datetime
is the module containing timedelta
. datetime
是包含timedelta
的模块。
If you look at your import
line: 如果你看看你的
import
线:
from datetime import datetime, date, time, timedelta
...you'll see you're importing the datetime
class from the datetime
module. ...你会看到你从
datetime
模块导入datetime
类 。 So, when you call datetime.timedelta
, you're actually calling datetime.datetime.timedelta
, which doesn't exist. 所以,当你调用
datetime.timedelta
,你实际上是在调用datetime.datetime.timedelta
,它不存在。
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