batch.py 文件源码

def deepcopy(self):
        """ Return a deep copy of the batch.

        Constructs a new ``Batch`` instance and then recursively copies all
        the objects found in the original batch, except the ``pipeline``,
        which remains unchanged.

        Returns
        -------
        Batch
        """
        pipeline = self.pipeline
        self.pipeline = None
        dump_batch = dill.dumps(self)
        self.pipeline = pipeline

        restored_batch = dill.loads(dump_batch)
        restored_batch.pipeline = pipeline
        return restored_batch