s3transfer

Tagging 0.19.0 release.

Tagging 0.18.0 release.

Tagging 0.17.1 release.

Tagging 0.17.0 release.

Tagging 0.16.1 release.

Tagging 0.16.0 release.

Tagging 0.15.0 release.

Tagging 0.14.0 release.

• enhancement:Python: Added provisional support for the upcoming Python 3.14 release

• feature:GetObjectTask: Validate ETag of stored object during multipart downloads

• feature:Python: End of support for Python 3.8

• enhancement:s3: Implement memory performance fixes for downloads to non-seekable streams

• enhancement:Dependencies: Update the floor version of botocore to 1.37.4 to match imports.

• enhancement:Tasks: Pass Botocore context from parent to child threads.

• bugfix:awscrt: Fix urlencoding issues for request signing with the awscrt.

• bugfix:upload: Only set a default checksum if the request_checksum_calculation config is set to when_supported. Fixes boto/s3transfer#327.

• bugfix:Dependencies: Update the floor version of botocore to 1.36.0 to match imports.

• feature:manager: Use CRC32 by default and support user provided full-object checksums.

• enhancement:s3: Added Multi-Region Access Points support to CRT transfers.

• enhancement:Python: Added provisional Python 3.13 support to s3transfer

• bugfix:awscrt: Pass operation name to awscrt.s3 to improve error handling.

• bugfix:urllib3: Fixed retry handling for IncompleteRead exception raised by urllib3 2.x during data transfer

• feature:s3: Added CRT support for S3 Express One Zone

• feature:Python: End of support for Python 3.7

• bugfix:Subscribers: Added caching for Subscribers to improve throughput by up to 24% in high volume transfer

• enhancement:s3: Added support for defaulting checksums to CRC32 for s3express.

• enhancement:crt: Automatically configure CRC32 checksums for uploads and checksum validation for downloads through the CRT transfer manager.

• feature:crt: S3transfer now supports a wider range of CRT functionality for uploads to improve throughput in the CLI/Boto3.

• enhancement:Botocore: S3Transfer now requires Botocore >=1.32.7

• enhancement:crt: Update target_throughput defaults. If not configured, s3transfer will use the AWS CRT to attempt to determine a recommended target throughput to use based on the system. If there is no recommended throughput, s3transfer now falls back to ten gigabits per second.

• enhancement:crt: Add support for uploading and downloading file-like objects using CRT transfer manager. It supports both seekable and non-seekable file-like objects.

• feature:SSE-C: Pass SSECustomer* arguments to CompleteMultipartUpload for upload operations

• enhancement:Python: Added provisional Python 3.12 support to s3transfer

• bugfix:copy: Added support for ChecksumAlgorithm when uploading copy data in parts.

• feature:Python: Dropped support for Python 3.6

• enhancement:s3: Added support for flexible checksums when uploading or downloading objects.

• enhancement:Python: Officially add Python 3.10 support

• feature:Python: Dropped support for Python 2.7

• enhancement:s3: Add support for ExpectedBucketOwner. Fixes #181.

• enhancement:crt: Add set_exception to CRTTransferFuture to allow setting exceptions in subscribers.

• feature:crt: Add optional AWS Common Runtime (CRT) support. The AWS CRT provides a C-based S3 transfer client that can improve transfer throughput.

• bugfix:ReadFileChunk: Fix seek behavior in ReadFileChunk class

• bugfix:packaging: Fix setup.py metadata for futures on Python 2.7

• enhancement:s3: Block TransferManager methods for S3 Object Lambda resources

• enhancement:s3: Add server side encryption context into allowed list

• bugfix:dependency: Updated botocore version range to allow for developmental installs.

• bugfix:s3: Fixes boto/botocore`#1916 <https://github.com/boto/botocore/issues/1916>`__

• enhancement:TransferManager: Expose client and config properties

• enhancement:Tags: Add support for Tagging and TaggingDirective

• feature:Python: Dropped support for Python 2.6 and 3.3.

• enhancment:ProcessPool: Adds user agent suffix.

• feature:ProcessPoolDownloader: Add ProcessPoolDownloader class to speed up download throughput by using processes instead of threads.

• bugfix:RequestPayer: Plumb ``RequestPayer` argument to the ``CompleteMultipartUpload` operation (#103).

• enhancement:max_bandwidth: Add ability to set maximum bandwidth consumption for streaming of S3 uploads and downloads

• bugfix:TransferManager: Properly handle unicode exceptions in the context manager. Fixes #85

• feature:TransferManager: Expose ability to use own executor class for TransferManager

• feature:TransferFuture: Add support for setting exceptions on transfer future

• feature:download: Support downloading to FIFOs.

• bugfix:TransferManager: Fix memory leak when using same client to create multiple TransferManagers

• bugfix:download: Fix issue where S3 Object was not downloaded to disk when empty

• bugfix:Cntrl-C: Fix issue of hangs when Cntrl-C happens for many queued transfers

• feature:cancel: Expose messages for cancels

• feature:chunksize: Automatically adjust the chunksize if it doesn't meet S3s requirements.

• bugfix:Download: Add support for downloading to special UNIX file by name

• feature:delete: Add a .delete() method to the transfer manager.

• bugfix:seekable upload: Fix issue where seeked position of seekable file for a nonmultipart upload was not being taken into account.

• bugfix:download: Patch memory leak related to unnecessarily holding onto futures for downloads.