This grabs each datasource and its multiple datapoints for a particular device.

def get_data_source_bulk_request(self, rids, limit=5):
        """
            This grabs each datasource and its multiple datapoints for a particular device.
        """
        headers = {
                'User-Agent': self.user_agent(),
                'Content-Type': self.content_type()
        }
        headers.update(self.headers())

        r = requests.get(   self.portals_url()
                            +'/data-sources/['
                            +",".join(rids)
                            +']/data?limit='+str(limit),
                            headers=headers, auth=self.auth())
        if HTTP_STATUS.OK == r.status_code:
            return r.json()
        else:
            print("Something went wrong: <{0}>: {1}".format(
                        r.status_code, r.reason))
            return {}