form.py

def get_form_from_model_name(full_model_name):
    app_label, model_name = full_model_name.split(".")
    form_model = apps.get_model(app_label, model_name)
    fields = form_model._meta.fields
    name_fields = []

    for field in fields:
        if field.related_model and (issubclass(
            field.related_model,
            bi_models.NamedBulkable) or issubclass(
                field.related_model,
                bi_models.NamedBulkableImmutable)):
            name_fields.append(field)
    exclude_fields = ["imported_from", "created_at", "updated_at"]

    class CustomModelForm(forms.ModelForm):
        def __init__(self, *args, **kwargs):
            super(CustomModelForm, self).__init__(*args, **kwargs)
            for name_field in name_fields:
                self.fields['%s_name' % name_field.name] = forms.CharField(
                    required=not name_field.blank)
                self.fields[name_field.name].required = False

                def make_clean(self):
                    name_column = '%s_name' % name_field.name
                    data = self.cleaned_data[name_column]
                    objs = name_field.related_model.objects.filter(
                        name=data)
                    if len(objs) == 0:
                        raise forms.ValidationError(
                            "named fk does not exist!")
                    obj = objs[0]
                    data[name_field.name] = obj
                    return data
                setattr(self, "clean_%s" % name_field.name, MethodType(make_clean, self))

        class Meta:
            model = form_model
            exclude = exclude_fields

    return CustomModelForm