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--- dev-tools:s3_object_storage [2025/10/15 16:35] – fabricio
+++ dev-tools:s3_object_storage [2025/10/15 16:37] (current) – [RKNS (Zarr V2) from Minio ZIP] fabricio
@@ Line 315: / Line 315: @@
-====== RKNS (Zarr V2) from Minio ZIP ======
-<code>
-# /// script
-# requires-python = ">=3.8"
-# dependencies = [
-#     "boto3>=1.40.49",
-#     "python-dotenv>=0.9.9",
-#     "packaging>=25.0",
-#     "rkns==0.6.2",
-#     "s3fs[boto3]>=2023.12.0",
-#     "typing-extensions>=4.15.0",
-# ]
-# ///
-import os
-from pathlib import Path
-from dotenv import load_dotenv
-from fsspec.implementations.zip import ZipFileSystem
-from fsspec.mapping import FSMap
-import s3fs
-import zarr
-import rkns
-# load credentials from .env file
-load_dotenv()
-access_key_id = os.getenv("STORAGE_ACCESS_KEY")
-secret_access_key = os.getenv("STORAGE_SECRET_KEY")
-endpoint_url = os.getenv("ENDPOINT")
-endpoint_url_full = os.getenv("ENDPOINT_FULL")
-# Specify the path to your custom CA certificate
-ca_cert_path = "ca.crt.cer"
-assert Path(ca_cert_path).is_file()
-# Create s3fs filesystem with custom cert
-fs = s3fs.S3FileSystem(
-    client_kwargs={"endpoint_url": endpoint_url_full, "verify": str(ca_cert_path)},
-    key=access_key_id,
-    secret=secret_access_key,
-    use_ssl=True,
-)
-s3_path = "rekonas-dataset-shhs-rkns/sub-shhs200001_ses-01_task-sleep_eeg.rkns"
-zip_fs = ZipFileSystem(fo=fs.open(s3_path, "rb"))
-store = zarr.storage.FSStore(url='', fs=zip_fs)
-rkns_obj = rkns.from_RKNS(store)
-print(rkns_obj.tree)
-</code>