def _load_resource(self, source_r, abs_path=False):
        """The CSV package has no reseources, so we just need to resolve the URLs to them. Usually, the
            CSV package is built from a file system ackage on a publically acessible server. """

        r = self.doc.resource(source_r.name)

        r.url = self.resource_root.join(r.url).inner