def stats(self):
        """Return a string representing the statistics of the bucketing sampler.

        Returns
        -------
        ret : str
            String representing the statistics of the buckets.
        """
        ret = '{name}:\n' \
            '  sample_num={sample_num}, batch_num={batch_num}\n' \
            '  key={bucket_keys}\n' \
            '  cnt={bucket_counts}\n' \
            '  batch_size={bucket_batch_sizes}'\
            .format(name=self.__class__.__name__,
                    sample_num=len(self._lengths),
                    batch_num=len(self._batch_infos),
                    bucket_keys=self._bucket_keys,
                    bucket_counts=[len(sample_ids) for sample_ids in self._bucket_sample_ids],
                    bucket_batch_sizes=self._bucket_batch_sizes)
        return ret
def stats ( self ) : ret = '{name}:\n' '  sample_num={sample_num}, batch_num={batch_num}\n' '  key={bucket_keys}\n' '  cnt={bucket_counts}\n' '  batch_size={bucket_batch_sizes}' . format ( name = self . __class__ . __name__ , sample_num = len ( self . _lengths ) , batch_num = len ( self . _batch_infos ) , bucket_keys = self . _bucket_keys , bucket_counts = [ len ( sample_ids ) for sample_ids in self . _bucket_sample_ids ] , bucket_batch_sizes = self . _bucket_batch_sizes ) return ret
Return a string representing the statistics of the bucketing sampler.

        Returns
        -------
        ret : str
            String representing the statistics of the buckets.