h5sparse.py 文件源码

def __getitem__(self, key):
        h5py_item = self.h5py_group[key]
        if isinstance(h5py_item, h5py.Group):
            if 'h5sparse_format' in h5py_item.attrs:
                # detect the sparse matrix
                return Dataset(h5py_item)
            else:
                return Group(h5py_item)
        elif isinstance(h5py_item, h5py.Dataset):
            return h5py_item
        else:
            raise ValueError("Unexpected item type.")