def delete(self, doc):
        if doc.id is None:
            raise DatabaseException('Document does not have id')
        if doc.sid is None:
            try:
                rs = self.db.docs.remove({'id': doc.id}, safe=True)
                assert rs['n'] == 1
            except Exception as e:
                raise DatabaseException(e)
            return None
        doc.data = None
        return self.update(doc)
def email(self):
        """
        Shortcut property for finding the e-mail address or bot URL.
        """
        if "profile" in self._raw:
            email = self._raw["profile"].get("email")
        elif "bot_url" in self._raw:
            email = self._raw["bot_url"]
        else:
            email = None
        if not email:
            logging.debug("No email found for %s", self._raw.get("name"))
        return email