Stack Overflow Asked by aAnnAa on December 11, 2021
I want a formset initialized with a varying number of forms.
class MapView(TemplateView):
def get(self, request, *args, **kwargs):
template_name = 'terms/termmappingnames.html'
formlength = request.session["formlength"]
FieldMappingFormset = formset_factory(FieldMappingForm, extra=formlength)
formset = FieldMappingFormset()
choices = [(x, x) for x in ["a", "b", "c"]
for i, form in enumerate(formset):
form.fields["map_to_option"].choices = choices
form.fields["map_to_option"].label = metadata_names[i]
context = {
"formset": formset
}
return TemplateResponse(request, template_name, context)
def post(self, request, *args, **kwargs):
template_name = 'terms/termmappingvalues.html'
# error here
formset = FieldMappingFormSet(request.POST)
context = {
}
return TemplateResponse(request, template_name, context)
This is my TemplateView and I dont know how to access the FieldMappingFormset created in the get method. Diplaying the form with "formlength" number of forms works, however I can’t access it in POST because, obviously, FieldMappingFormSet is not defined. It doesn’t work using class variables or global variables.
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