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继rrule examples,我发现我能以这种方式导入rrule
对象:如何导入dateutil.rrule模块在Python
from dateutil.rrule import *
my_rrule = rrule(DAILY, count=5)
print(list(my_rrule))
打印出预期的输出
[datetime.datetime(2016, 11, 23, 16, 55, 30), datetime.datetime(2016, 11, 24, 16, 55, 30), datetime.datetime(2016, 11, 25, 16, 55, 30), datetime.datetime(2016, 11, 26, 16, 55, 30), datetime.datetime(2016, 11, 27, 16, 55, 30)]
但是,我喜欢保持对模块的引用,所以我试图导入并像这样使用它:
import dateutil.rrule
my_rrule = dateutil.rrule.rrule(DAILY, count=5)
然而,这导致NameError
:
Traceback (most recent call last):
File "/home/kurt/dev/scratch/Furion_scheduler/recurring_interval.py", line 18, in <module>
my_rrule = dateutil.rrule.rrule(DAILY, count=5)
NameError: name 'DAILY' is not defined
这是怎么回事错在这里?
它看起来像OP希望'从dateutil.rrule导入rrule,DAILY'。 –
@BenHoyt你完全正确。谢谢:) – DeepSpace
我明白了。实际上对应于数字“3”的DAILY在“dateutil.rrule”模块中定义(请参见[源代码](http://dateutil.readthedocs.io/en/stable/_modules/dateutil/ru/)的.html#RRULE))。 –