A4ordLoginView

class A4ordLoginView(TemplateView, BaseFormView):
    template_name = 'accounts/a4ord_login.html'
    success_url = '/'
    forms = {'A4ordLoginForm': A4ordLoginForm, 'A4ordPasswordForm': A4ordPasswordForm}
    form_class = A4ordLoginForm
    prev_form_class = form_class
    form = None

    def post(self, request, **kwargs):
        self.form_class = self.forms[self.request.POST['form']]
        self.form = self.form_class(self.request.POST)
        self.prev_form_class = self.form_class

        if self.form.is_valid():
            self.form_class = self.form.cleaned_data['next_stage']
            if self.form_class:
                return self.get(request)
            else:
                return HttpResponseRedirect(self.get_success_url())

        # if not self.form.is_valid():
        #     return self.form_invalid(self.form)
        # username = self.form.cleaned_data.get('username')
        return self.get(request)

    def get_context_data(self, **kwargs):
        context = super(A4ordLoginView, self).get_context_data(**kwargs)
        errors = None
        form_kwargs = {}
        if self.request.method == 'POST' and self.prev_form_class == self.form_class:
            form_kwargs = {
                'data': self.request.POST,
            }
        if self.form:
            errors = self.form.errors
        if errors:
            self.form._errors = errors
        self.form = self.form_class(**form_kwargs)
        context['form'] = self.form
        return context