def get(self, *args, **kwargs):
        if not self.invitation.odk_url:
            raise Http404()
        url = str(self.invitation.odk_url).strip()
        response = 'ccapp: %s signature: %s' % (url, sign(url))
        response = base64.b64encode(response)
        return HttpResponse(response)
dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/sms/views.py/InvitationAppInfoView.get/original