def body_text(self, obj):
        def _body(po):
            payload = po.get_payload()
            if isinstance(payload, list):
                # po.is_multipart() == True
                return "<hr/>".join([_body(p) for p in payload])
            if isinstance(payload, basestring):
                cs = po.get_content_charset() or po.get_charset()
                if cs:
                    return unicode(
                        po.get_payload(decode=True), cs, "replace")
                return payload
            return ''
        return _body(obj.mailobject())