From bd8c8d13ecb37715ed1f1c659a5156cd93358728 Mon Sep 17 00:00:00 2001
From: Lurvelly <mit.lurvelly@gmail.com>
Date: Sat, 15 Nov 2025 12:40:09 +0800
Subject: [PATCH] Change compressor  to Zarr-3's new codec system.

---
 roboverse_learn/il/data2zarr_dp.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/roboverse_learn/il/data2zarr_dp.py b/roboverse_learn/il/data2zarr_dp.py
index c43961b79..0bb6d1826 100644
--- a/roboverse_learn/il/data2zarr_dp.py
+++ b/roboverse_learn/il/data2zarr_dp.py
@@ -8,6 +8,7 @@
 import numpy as np
 import torch
 import zarr
+from zarr.codecs import BloscCodec, BloscShuffle
 from tqdm import tqdm
 
 try:
@@ -86,7 +87,7 @@ def main():
     zarr_meta = zarr_root.create_group("meta")
 
     # ZARR datasets will be created dynamically during the first batch write
-    compressor = zarr.Blosc(cname="zstd", clevel=3, shuffle=1)
+    compressor = BloscCodec(cname="zstd", clevel=3, shuffle="shuffle")
 
     # Batch processing settings
     batch_size = 100