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s3pe 0.3.0

• Multipart upload: write_s3() and upload_s3() send bodies larger than multipart_threshold (64 MiB by default; s3_config(), S3PE_MULTIPART_THRESHOLD) in parts of part_size (16 MiB), one by one, aborted on any failure, with every part’s ETag and the final ETag checked.
• write_s3() and upload_s3() take metadata (user metadata, returned by head_s3() in its new metadata column) and headers (any extra header: Cache-Control, Content-Disposition, x-amz-storage-class, server-side encryption, …).
• copy_s3() copies an object on the server.
• delete_s3() accepts several keys and deletes them in batches of 1000; it now returns the number of keys deleted.
• list_s3() gains delimiter: delimiter = "/" lists one level, “folders” included.
• presign_s3() returns a pre-signed URL (GET or PUT) valid for up to seven days.
• sync_up_s3() and sync_down_s3() mirror a directory and a prefix by size and ETag, optionally deleting extras and uploading a manifest last.
• Not implemented, by design: ACLs (manage access with keys and policies) and versioning (no versionId on read, head or delete).

s3pe 0.2.0

• The endpoint has no default any more: set S3PE_ENDPOINT, options(s3pe.endpoint) or call use_endpoint(). A missing endpoint is an s3pe_error_config at request time, like missing credentials.
• use_bucket() and use_endpoint() set the bucket and the endpoint for the session.
• Documentation and examples are generic: the package serves any S3-compatible store.

s3pe 0.1.0

• Initial release.
• read_s3() and write_s3() move R objects to and from the store, with the format chosen by the key’s extension (CSV, TSV, JSON, GeoJSON, Parquet, RDS, XLSX, text, raw).
• download_s3() and upload_s3() move files, streaming.
• list_s3(), head_s3(), exists_s3(), delete_s3() and buckets_s3() for the rest of the bucket.
• s3_config() resolves endpoint, region, credentials and bucket from arguments, options and the environment, in that order.
• Requests signed with AWS Signature Version 4 (header style, payload hashed); transient failures retried with exponential backoff; ETag and content length checked after every transfer.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.