Multiple forms in forms.py

Question

This is a Django project.

forms.py

class BigForm(forms.Form):
    template = forms.CharField(label='Template', widget=forms.Select(choices=CHOICES))

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.helper = FormHelper
        self.helper.form_method = 'post'
        self.helper.layout = Layout(
            Field('template'),
            Submit('submit', 'Submit', css_class='btn-success')
    )


class DateForm(forms.Form):
    start_date = forms.CharField(label='Start date')
    end_date = forms.CharField(label='End date')

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.helper = FormHelper
        self.helper.form_method = 'post'
        self.helper.layout = Layout(
            Field('start_date', css_class='form-control'),
            Field('end_date', css_class='form-control')
        )

views.py

def myForm(request):
    main_form = BigForm()
    date_form = DateForm()
    return render(request, 'polls/main.html', {'main_form': main_form, 'date_form': date_form})

Is there something wrong with this? I keep getting KeyError: "Key 'end_date' not found in 'BigForm'. Choices are: template."

I just want two separate form classes (for two separate forms)

No it doesn't, I still see the error message. But never mind, I will try and ask a different question. Maybe my code/form design is wrong. — edb500
– edb500, Commented Nov 28, 2018 at 15:44
You should show the entire traceback, because it's not clear on which line this error is produced. I don't believe this error can occur on any of the lines of code you show here. — dirkgroten
– dirkgroten, Commented Nov 28, 2018 at 16:49

Daniel Holmes · Accepted Answer · 2018-11-28 14:28:31Z

1

You have not declared end_date as a field within BigForm. It exists in DateForm.

answered Nov 28, 2018 at 14:28

Daniel Holmes

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2 Comments

edb500 Over a year ago

Why would I have to declare end_date in BigForm? I just want to use it in DateForm

Daniel Holmes Over a year ago

You have indeed declared end_date in DateForm, but according to the error that you posted in your question, you are getting a KeyError looking for end_date in BigForm. Post the entire traceback of your error message so we can see exactly where the problem is.

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