#29083: DateField() returning string instead of date object
-----------------------------------------+-------------------------------
Reporter: Gary Aleixo | Owner: nobody
Type: Bug | Status: new
Component: Uncategorized | Version: 1.11
Severity: Normal | Keywords: date datetime
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-----------------------------------------+-------------------------------
I'm experiencing an issue that I can't seem to find any resolution too.
My dev environment:
{{{
$ pip freeze | grep Django
Django==1.11.6
$ python --version
Python 3.6.3
$ mysql --version
mysql Ver 14.14 Distrib 5.7.21, for Linux (x86_64) using EditLine
wrapper
$ uname -r
4.13.0-32-generic
OS: Ubuntu 17.10 x86_64
}}}
I'm working with a model that has a DateField() defined
{{{
class MyModel(models.Model):
start_date = models.DateField()
end_date = models.DateField()
def to_json(self, option=None, section=None):
val = {
'start_date': self.start_date.strftime(settings.ISO_DATE) if
self.start_date else None,
'end_date': self.end_date.strftime(settings.ISO_DATE) if
self.end_date elses None
}
return val
}}}
When I retrieve and access that object through a shell instance I am able
to call **mymodelobj.start_date** and it will return **a date object**
{{{
In [5]: mymodelobj = MyModel.objects.get(id=379)
In [6]: mymodelobj.start_date
Out[6]: datetime.date(2018, 1, 29)
In [7]: type(mymodelobj.start_date)
Out[7]: datetime.date
In [8]:
}}}
But when the run through the application normally and when accessing the
same object through self (self.start_date)** the object is returning a
string instead of a date object**:
{{{
ipdb>
> /home/gary/dev/backend/v4/models.py(3499)to_json()
3498 'cluster': None if self.cluster is None or
self.cluster == 0 else self.cluster.to_json(),
-> 3499 'start_date':
self.start_date.strftime(settings.ISO_DATE) if self.start_date else None,
3500 'end_date': self.end_date.strftime(settings.ISO_DATE)
if self.end_date else None,
ipdb> self.start_date
'2018-01-29'
ipdb> type(self.start_date)
<class 'str'>
}}}
Which then results in the following error being thrown.
{{{
File "/home/gary/dev/backend/v4/models.py", line 3498, in to_json
'start_date': self.start_date.strftime(settings.ISO_DATE) if
self.start_date else None,
AttributeError: 'str' object has no attribute 'strftime'
}}}
Anyone have any idea as to what's going on?
--
Ticket URL: <https://code.djangoproject.com/ticket/29083>
Django <https://code.djangoproject.com/>
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