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From: Antonio Valentino <antonio.valentino@tiscali.it>
Date: Sat, 22 Nov 2025 17:28:20 +0000
Subject: No google-crc32c
Forwarded: not-needed
---
src/zarr/codecs/crc32c_.py | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/zarr/codecs/crc32c_.py b/src/zarr/codecs/crc32c_.py
index 9536d0d..6cdc169 100644
--- a/src/zarr/codecs/crc32c_.py
+++ b/src/zarr/codecs/crc32c_.py
@@ -3,7 +3,8 @@ from __future__ import annotations
from dataclasses import dataclass
from typing import TYPE_CHECKING, cast
-import google_crc32c
+# import google_crc32c
+from crc32c import crc32c
import numpy as np
import typing_extensions
@@ -42,7 +43,8 @@ class Crc32cCodec(BytesBytesCodec):
# Need to do a manual cast until https://github.com/numpy/numpy/issues/26783 is resolved
computed_checksum = np.uint32(
- google_crc32c.value(cast("typing_extensions.Buffer", inner_bytes))
+ # google_crc32c.value(cast("typing_extensions.Buffer", inner_bytes))
+ crc32c(cast("typing_extensions.Buffer", inner_bytes))
).tobytes()
stored_checksum = bytes(crc32_bytes)
if computed_checksum != stored_checksum:
@@ -59,7 +61,8 @@ class Crc32cCodec(BytesBytesCodec):
data = chunk_bytes.as_numpy_array()
# Calculate the checksum and "cast" it to a numpy array
checksum = np.array(
- [google_crc32c.value(cast("typing_extensions.Buffer", data))], dtype=np.uint32
+ # [google_crc32c.value(cast("typing_extensions.Buffer", data))], dtype=np.uint32
+ [crc32c(cast("typing_extensions.Buffer", data))], dtype=np.uint32
)
# Append the checksum (as bytes) to the data
return chunk_spec.prototype.buffer.from_array_like(np.append(data, checksum.view("B")))
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