[ANN] Bottleneck 1.3.0 rc1 released

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Christopher Whelan

Nov 2, 2019, 10:13:15 PM11/2/19
to bottle-neck
Bottleneck 1.3.0rc1 is now on PyPI with a final release available next week, assuming no significant issues. If you do encounter any issues, please report them here: https://github.com/pydata/bottleneck

The release notes can be found below or at https://bottleneck.readthedocs.io/en/latest/release.html


Project Updates

  • Bottleneck has a new maintainer, Christopher Whelan (@qwhelan on GitHub).

  • Documentation now hosted at https://bottleneck.readthedocs.io

  • 1.3.x will be the last release to support Python 2.7

  • Bottleneck now supports and is tested against Python 3.7. (#211)

  • It is believed to work on Python 3.8 but our testing infrastructure does not yet support 3.8.

  • The LICENSE file has been restructured to only include the license for the Bottleneck project to aid license audit tools. There has been no change to the licensing of Bottleneck.

    • Licenses for other projects incorporated by Bottleneck are now reproduced in full in separate files in the LICENSES/ directory (eg, LICENSES/NUMPY_LICENSE)

    • All licenses have been updated. Notably, setuptools is now MIT licensed and no longer under the ambiguous dual PSF/Zope license.

  • Bottleneck now uses PEP 518 for specifying build dependencies, with per Python version specifications (#247)


  • Remove numpydoc package from Bottleneck source distribution

  • bottleneck.slow.reduce.nansum() and bottleneck.slow.reduce.ss() now longer coerce output to have the same dtype as input

  • Test (tox, travis, appveyor) against latest numpy (in conda)

  • Performance benchmarking also available via asv

  • versioneer now used for versioning (#213)

  • Test suite now uses pytest as nose is deprecated (#222)

  • python setup.py build_ext --inplace is now incremental (#224)

  • python setup.py clean now cleans all artifacts (#226)

  • Compiler feature support now identified by testing rather than hardcoding (#227)

  • The BN_OPT_3 macro allows selective use of -O3 at the function level (#223)

  • Contributors are now automatically cited in the release notes (#244)


Bug Fixes


  • The ez_setup.py module is no longer packaged (#211)

  • Building documentation is now self-contained in make doc (#214)

  • Codebase now flake8 compliant and run on every commit

  • Codebase now uses black for autoformatting (#253)


A total of 8 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

  • Ales Erjavec +
  • Christopher Whelan +
  • Daniel Hakimi +
  • Ghislain Antony Vaillant +
  • Keith Goodman
  • Stephan Hoyer
  • Thomas Robitaille +
  • kwgoodman

Christopher Whelan

Nov 9, 2019, 5:32:26 PM11/9/19
to bottle-neck
1.3.0rc2 has just been uploaded to PyPI and resolves a cross-platform packaging bug and adds explicit support for Python 3.8. If you do encounter any issues, please report them here: https://github.com/pydata/bottleneck

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