loaders.py 文件源码

def load_data(self, name):
        """Load data given a data path.

        This is a low level method that will search through the various
        search paths until it's able to load a value.  This is typically
        only needed to load *non* model files (such as _endpoints and
        _retry).  If you need to load model files, you should prefer
        ``load_service_model``.

        :type name: str
        :param name: The data path, i.e ``ec2/2015-03-01/service-2``.

        :return: The loaded data.  If no data could be found then
            a DataNotFoundError is raised.

        """
        for possible_path in self._potential_locations(name):
            found = self.file_loader.load_file(possible_path)
            if found is not None:
                return found
        # We didn't find anything that matched on any path.
        raise DataNotFoundError(data_path=name)