creator.py 文件源码

def _write_by_chunk(dset, arrs):
    # Note: arrs should be a generator for performance reasons.
    assert isinstance(dset, Dataset)
    # Start the data.
    offset = 0
    for arr in arrs:
        n = arr.shape[0]
        arr = arr[...]
        # Match the shape of the chunk array with the dset shape.
        assert arr.shape == (n,) + dset.shape[1:]
        dset[offset:offset + n, ...] = arr
        offset += arr.shape[0]
    # Check that the copy is complete.
    assert offset == dset.shape[0]