Hi all, I've been stumped by this error for the past few days and
haven't made any progress. Could someone please help out?
I've created a formset of seven entries, one for each day of the
previous week. The first submission works fine; all seven entries are
successfully submitted. Subsequent submissions, however, generate the
following error for each of the seven entries:
(Hidden field id) Status report with this None already exists.
I found an django issue from a few months ago which might be related
[1]. However, this bug was resolved back in Oct. and I'm running
1.0.2, so I assume the CL is included. Is there any way to be
certain?
Here are my models, simplified for space:
class Vehicle(models.Model):
number = models.IntegerField(unique=True)
class StatusReport(models.Model):
date = models.DateField()
vehicle = models.ForeignKey(Vehicle, to_field='number')
status = models.CharField
('status',max_length=8,choices=STATUS_REPORT_CHOICES)
class Meta:
unique_together = ("date", "vehicle")
And here's my view:
def GenerateReportDate(request, vehicle_id, date):
# removed verification code for clarity
# week_start = monday before date.
# week_end = week_start + datetime.timedelta(7)
for i in range(7):
check_date = week_start + datetime.timedelta(i)
obj, created = StatusReport.objects.get_or_create(vehicle = int
(vehicle_id),
date = check_date,
defaults={'date':
check_date,
'vehicle':vehicle[0]})
# Pull 7 reports for this week
reports = StatusReport.objects.filter(
vehicle__exact=vehicle_id
).filter(
date__gte = week_start
).filter(
date__lte = week_end
).order_by("date")
ReportFormSet = modelformset_factory(StatusReport, extra=0)
if request.method == 'POST':
formset = ReportFormSet(request.POST, request.FILES)
if formset.is_valid():
formset.save()
return HttpResponseRedirect('../done/') # Redirect after POST
else:
formset = ReportFormSet(queryset=reports)
return render_to_response('ops/report.html', {'formset': formset,
'number': vehicle_id,
'weekof': week_start})
Thanks for any help,
-Josh
[1] http://code.djangoproject.com/ticket/9039
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