Django - ModelForm Dynamic field update

Question

I\'m trying to update certain fields a ModelForm, these fields are not fixed. (I have only tutor that is autopopulated by the view)

Model:

Answer 1

I've had to do something similar before, and while it isn't exactly pretty, it is quite effective. It involves dynamically creating a type at runtime, and using that type. For some documentation, you can see DynamicModels for django.

Here we go.. your requirements.

• You want to be able to update a model using a form
• You want to selectively specify which fields are to be updated at run-time

So, some code:

def create_form(model, field_names):
    # the inner class is the only useful bit of your ModelForm
    class Meta:
        pass
    setattr(Meta, 'model', model)
    setattr(Meta, 'include', field_names)
    attrs = {'Meta': Meta}

    name = 'DynamicForm'
    baseclasses = (forms.ModelForm,)
    form = type('DynamicForm', baseclasses, attrs)
    return form

def my_awesome_view(request):
    fields = ['start_time', 'end_time']
    form = create_form(Session, fields)
    # work with your form!