All,
I have an issue with using InlineFormSets. Save of a new model goes
without any issue.
However, I have a problem with saving an existing model.
When I save I get a KeyError without much info.
Other than it happened in "/usr/lib/python2.5/site-packages/django/
forms/models.py in save_existing_objects".
I noticed an older ticket that talked about the form.id missing on the
template.
If I am correct managementform takes care of that.
I'd appreciate some pointers on this issue.
Maeck
### View code
class ClassPaymentProductForm(ModelForm):
class Meta:
model = ClassPaymentProduct
class ClassPaymentForm(ModelForm):
class Meta:
model = ClassPayment
def edit_classpayment(request, classpayment_id=None):
# View parameters
Form = ClassPaymentForm
InlineForm = ClassPaymentProductForm
Model = ClassPayment
InlineModel = ClassPaymentProduct
template = 'test.html'
data_id = classpayment_id
if data_id == None:
data = Model()
else:
data = Model.objects.get(id = data_id)
InlineFormSet = inlineformset_factory(Model, InlineModel,
can_delete=True)
if request.method == "POST":
mainform = Form(request.POST, instance=data)
formset = InlineFormSet(request.POST, request.FILES,
instance=data)
if mainform.is_valid() and formset.is_valid():
mainform.save(request)
formset.save()
if '_save' in request.POST:
return HttpResponseRedirect('/test/')
if '_addanother' in request.POST:
return HttpResponseRedirect('../add/')
else:
mainform = Form(instance=data)
formset = InlineFormSet(instance=data)
return render_to_response(template, {
'mainform' : mainform,
'formset' : formset,
})
### Template
{% for f in formset.management_form %}
{{ f }}
{% endfor %}
<table>
<tr>
{% for field in formset.forms.0 %}
{% if not field.is_hidden %}
<th>{{ field.label }}</th>
{% endif %}
{% endfor %}
</tr>
{% for f in formset.forms %}
<tr>
{% for field in f %}
{% if not field.is_hidden %}
<td valign="bottom">{{ field }}</
{% else %}
{{ field.errors }}
{{ field }}
{% endif %}
{% endfor %}
</tr>
{% endfor %}
</table>
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