v7.4.2

What's Changed

• Add test for seek to end + defer_seek by @ddelange in #901

Full Changelog: v7.4.1...v7.4.2

v7.4.1

What's Changed

• Prefill target branch and new tag on the new GitHub release page by @ddelange in #897
• [s3] Add lower version to boto3 requirement for tcp_keepalive by @ddelange in #899

Full Changelog: v7.4.0...v7.4.1

v7.4.0

Note

[s3] As of this release, smart_open.s3.iter_bucket will use a single shared concurrent.futures.ThreadPoolExecutor with a single shared thread-safe S3.Client. For more details, see #896 (comment).

Warning

This version was yanked from PyPI because 7.4.0 introduced S3 tcp_keepalive, which is available as of boto3 1.9.17. A lower pin was added in 7.4.1.

What's Changed

• Disambiguate URI examples in README.rst by @ddelange in #879
• Remove travis leftover by @ddelange in #881
• build: fix invalid fallback_version when builing with uv by @DeflateAwning in #884
• Bump the github-actions group with 2 updates by @dependabot[bot] in #886
• Protect against hanging tests by @ddelange in #888
• [s3] Improve handling of InvalidRange and seek on empty file by @ddelange in #889
• Simplify CI, use uv by @ddelange in #890
• Add macos to CI by @ddelange in #891
• [s3] Optimize forward seeks within buffered data to avoid redundant GET by @ddelange in #892
• Run tests in parallel by @ddelange in #893
• [s3] Add range_chunk_size param to read using multiple GET requests by @ddelange in #887
• Drop python 3.8, add python 3.14 by @ddelange in #896
• Use compression.zstd (PEP-784) by @Rogdham in #895

New Contributors

• @DeflateAwning made their first contribution in #884
• @Rogdham made their first contribution in #895

Full Changelog: v7.3.1...v7.4.0

v7.3.1

What's Changed

• Fix release.sh for the final merge back into develop by @ddelange in #872
• Bump actions/checkout from 4 to 5 in the github-actions group by @dependabot[bot] in #877
• Bump pypa/gh-action-pypi-publish from 1.12.4 to 1.13.0 in /.github/workflows by @dependabot[bot] in #878
• Add .xz and increase performance of compression module by @ddelange in #875

Full Changelog: v7.3.0.post1...v7.3.1

v7.3.0.post1

What's Changed

• Fix release.sh merge message and final merge by @ddelange in #868
• Bump softprops/action-gh-release from 2.2.1 to 2.3.2 in the github-actions group by @dependabot in #867
• Fix CI badge by @ddelange in #869
• Drop 3.7 support in pyproject.toml by @ddelange in #871

New Contributors

• @dependabot made their first contribution in #867

Full Changelog: v7.3.0...v7.3.0.post1

v7.3.0

Warning

This version was yanked from PyPI because pyproject.toml falsely claimed that python 3.7 was still supported.

What's Changed

• Remove head_bucket call from s3.SinglepartWriter by @ddelange in #857
• Add help.txt linting step by @ddelange in #853
• Add buffer_size transport param to ssh.py by @ddelange in #861
• Fix integration test CI rot by @ddelange in #864
• Fix try-except in ssh.py for missing port in ssh config by @ddelange in #863
• Make s3.SinglepartWriter seekable by @ddelange in #854
• Modernize python packaging by @ddelange in #851

Full Changelog: v7.2.0...v7.3.0

v7.2.0

7.2.0, 2025-03-06

• Add support for prefetching to sftp transport (PR #849, @davidszotten)

v7.1.0

7.1.0, 2024-12-17

• Add support for python 3.13 (PR #847, @ddelange)
• Propagate uri to compression_wrapper (PR #842, @ddelange)

v7.0.5

7.0.5, 2024-10-04

• Fix zstd compression in ab mode (PR #833, @ddelange)
• Fix close function not neing able to upload a compressed S3 (PR #838, @jbarragan-bridge)
• Fix test_http.request_callback (PR #828, @ddelange)
• Update readline logic for azure to match s3 (PR #826, @quantumfusion)
• Make http handler take an optional requests.Session (PR #825, @arondaniel)
• Ensure no side effects on SinglepartWriter exception (PR #820, @donsokolone)
• Add support for get_blob_kwargs to GCS blob read operations (PR #817, @thejcannon)

v7.0.4

7.0.4, 2024-03-26

• Fix wb mode with zstd compression (PR #815, @djudd)
• Remove GCS bucket.exists call to avoid storage.buckets.get permission (PR #813, @ddelange)

7.0.3, 2024-03-21

• add support for zst writing (PR #812, @mpenkov)
• roll back PR #812, restore compatibility with built-in open function (@mpenkov)

7.0.2, 2024-03-21

• Add __next__ method to FileLikeProxy (PR #811, @ddelange)
• Fix python_requires minimum python version in setup.py (PR #807, @pressler-vsc)
• Add activity check to cached sftp connections (PR #808, @greg-offerfit)

7.0.1, 2024-02-26

• Do not touch botocore unless it is installed (PR #803, @ddelange)

7.0.0, 2024-02-26

• Upgrade dev status classifier to stable (PR #798, @seebi)
• Add zstandard compression support (PR #801, @rlrs)
• Support moto 4 & 5 (PR #802, @jayvdb)
• Add logic for handling large files in MultipartWriter uploads to S3 (PR #796, @jakkdl)
• Add support for SSH connection via aliases from ~/.ssh/config (PR #790, @wbeardall)
• Secure the connection using SSL when connecting to the FTPS server (PR #793, @wammaster)
• Make GCS I/O 1000x faster by avoiding unnecessary API call (PR #788, @JohnHBrock)
• Retry finalizing multipart S3 upload (PR #785, @ddelange)
• Handle exceptions during writes to Azure (PR #783, @ddelange)
• Fix formatting of python code in MIGRATING_FROM_OLDER_VERSIONS.rst (PR #795, @kenahoo)
• Fix str method in SinglepartWriter (PR #791, @ThosRTanner)
• Fix KeyError: 'ContentRange' when received full content from S3 (PR #789, @messense)
• Propagate exit call to the underlying filestream (PR #786, @ddelange)

6.4.0, 2023-09-07

• Ignore S3 seeks to the current position (PR #782, @beck3905)
• Set binary mode prior to FTP write (PR #781, @beck3905)
• Improve S3 URI Parsing for URIs with "@", "/", and ":" (PR #776, @rileypeterson)
• Add python 3.11 to setup.py (PR #775, @tooptoop4)
• Fix retrieving empty but existing object from S3 (PR #771, @Darkheir)
• Avoid overfilling buffer when reading from Azure (PR #767, @ronreiter)
• Add required import for example to work (PR #756, @jensenbox)

6.3.0, 2022-12-12

• Refactor Google Cloud Storage to use blob.open (ddelange, #744)
• Add FTP/FTPS support (#33) (RachitSharma2001, #739)
• Bring back compression_wrapper(filename) + use case-insensitive extension matching (piskvorky, #737)
• Fix avoidable S3 race condition (#693) (RachitSharma2001, #735)
• setup.py: Remove pathlib2 (jayvdb, #733)
• Add flake8 config globally (cadnce, #732)
• Added buffer_size parameter to http module (mullenkamp, #730)
• Added documentation to support GCS anonymously (cadnce, #728)
• Reconnect inactive sftp clients automatically (Kache, #719)

6.2.0, 14 September 2022

• Fix quadratic time ByteBuffer operations (PR #711, @Joshua-Landau-Anthropic)

6.1.0, 21 August 2022

• Add cert parameter to http transport params (PR #703, @stev-0)
• Allow passing additional kwargs for Azure writes (PR #702, @ddelange)

6.0.0, 24 April 2022

This release deprecates the old ignore_ext parameter.
Use the compression parameter instead.

fin = smart_open.open("/path/file.gz", ignore_ext=True)  # No
fin = smart_open.open("/path/file.gz", compression="disable")  # Yes

fin = smart_open.open("/path/file.gz", ignore_ext=False)  # No
fin = smart_open.open("/path/file.gz")  # Yes
fin = smart_open.open("/path/file.gz", compression="infer_from_extension")  # Yes, if you want to be explicit

fin = smart_open.open("/path/file", compression=".gz")  # Yes

• Make Python 3.7 the required minimum (PR #688, @mpenkov)
• Drop deprecated ignore_ext parameter (PR #661, @mpenkov)
• Drop support for passing buffers to smart_open.open (PR #660, @mpenkov)
• Support working directly with file descriptors (PR #659, @mpenkov)
• Added support for viewfs:// URLs (PR #665, @ChandanChainani)
• Fix AttributeError when reading passthrough zstandard (PR #658, @mpenkov)
• Make UploadFailedError picklable (PR #689, @birgerbr)
• Support container client and blob client for azure blob storage (PR #652, @cbare)
• Pin google-cloud-storage to >=1.31.1 in extras (PR #687, @PLPeeters)
• Expose certain transport-specific methods e.g. to_boto3 in top layer (PR #664, @mpenkov)
• Use pytest instead of parameterizedtestcase (PR #657, @mpenkov)

5.2.1, 28 August 2021

• make HTTP/S seeking less strict (PR #646, @mpenkov)

5.2.0, 18 August 2021

• Work around changes to urllib.parse.urlsplit (PR #633, @judahrand)
• New blob_properties transport parameter for GCS (PR #632, @FHTheron)
• Don't leak compressed stream (PR #636, @ampanasiuk)
• Change python_requires version to fix PEP 440 issue (PR #639, @lucasvieirasilva)
• New max_concurrency transport parameter for azure (PR #642, @omBratteng)

5.1.0, 25 May 2021

This release introd...