def render(self, context, instance, placeholder):
        """
        Return the context to render a DialogFormPlugin
        """
        form_type = instance.glossary.get('form_type')
        if form_type:
            # prevent a malicious database entry to import an ineligible file
            form_type = AUTH_FORM_TYPES[[ft[0] for ft in AUTH_FORM_TYPES].index(form_type)]
            try:
                FormClass = import_string(form_type[2])
            except (ImportError, __HOLE__):
                # TODO: other unresolvable may need another form name
                context['form_name'] = 'auth_form'
            else:
                context['form_name'] = FormClass.form_name
                context[FormClass.form_name] = FormClass()
        context['action'] = instance.link
        return super(ShopAuthenticationPlugin, self).render(context, instance, placeholder)
dataset/ETHPy150Open awesto/django-shop/shop/cascade/auth.py/ShopAuthenticationPlugin.render