PyPI · #4004 most downloaded on PyPI

extension-helpers

1.5.01.0M downloads/moastropy/extension-helpers ↗New releases in your daily digest, changelog included.

Utilities for building and installing packages with compiled extensions

Last release 19 days ago
15 Sep 2026
Release timing varies
gaps range from 2 weeks to 2.2 years
Nearly every release is documented
notes for 8 of 8 stable releases
Nothing withdrawn
no release was ever pulled
7 years old
9 releases · first in 2019

Release timeline

9 releases since 2019

20192020202120222023202420252026

Releases

1.5.015 Sept 2026Deprecated
MNT: drop deprecated License classifier, update related metadata (PEP 639) by @neutrinoceros in #135
What's Changed

New Features

Fix support for src/ layout even without setup.py by @astrofrog in #161

Bug Fixes

Fix incorrect path to _compiler.c for 'src' layout packages by @lpsinger in #155

Look for setup.cfg in current directory, not srcdir by @lpsinger in #157

Other Changes

TST: fixup skip condition on limited-api test by @neutrinoceros in #117

TST: Replace macos-13 with macos-14 by @pllim in #121

MNT: drop deprecated License classifier, update related metadata (PEP 639) by @neutrinoceros in #135

Fix test with recent versions of pip/build by @astrofrog in #142

Switch to two-phase module initialization by @lpsinger in #147

Define COVERAGE_FILE to try and fix coverage reporting by @astrofrog in #159

Full Changelog: v1.4.0...v1.5.0

Additional notes

What's Changed

New Features

Fix support for src/ layout even without setup.py by @astrofrog in https://github.com/astropy/extension-helpers/pull/161

Bug Fixes

Fix incorrect path to _compiler.c for 'src' layout packages by @lpsinger in https://github.com/astropy/extension-helpers/pull/155
Look for setup.cfg in current directory, not srcdir by @lpsinger in https://github.com/astropy/extension-helpers/pull/157

Other Changes

TST: fixup skip condition on limited-api test by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/117
TST: Replace macos-13 with macos-14 by @pllim in https://github.com/astropy/extension-helpers/pull/121
MNT: drop deprecated License classifier, update related metadata (PEP 639) by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/135
Fix test with recent versions of pip/build by @astrofrog in https://github.com/astropy/extension-helpers/pull/142
Switch to two-phase module initialization by @lpsinger in https://github.com/astropy/extension-helpers/pull/147
Define COVERAGE_FILE to try and fix coverage reporting by @astrofrog in https://github.com/astropy/extension-helpers/pull/159

Full Changelog: https://github.com/astropy/extension-helpers/compare/v1.4.0...v1.5.0

Open source →

1.3.027 May 2025

Automatically set compiler flags to target PEP 384 Python limited API by @lpsinger in #26

What's Changed

New Features

Automatically set compiler flags to target PEP 384 Python limited API by @lpsinger in #26

Other Changes

Bump the actions group across 1 directory with 2 updates by @dependabot in #92
MNT: Replace ubuntu-20.04 with ubuntu-22.04 by @pllim in #100
Bump the actions group across 1 directory with 2 updates by @dependabot in #99
Bump stefanzweifel/git-auto-commit-action from 5.1.0 to 5.2.0 in /.github/workflows in the actions group by @dependabot in #104
Bump minimum version of Python to 3.10 and update versions by @astrofrog in #106

Full Changelog: v1.2.0...v1.3.0

Open source →

Additional notes2 sources agree

What's Changed

New Features

Automatically set compiler flags to target PEP 384 Python limited API by @lpsinger in https://github.com/astropy/extension-helpers/pull/26

Other Changes

Bump the actions group across 1 directory with 2 updates by @dependabot in https://github.com/astropy/extension-helpers/pull/92
MNT: Replace ubuntu-20.04 with ubuntu-22.04 by @pllim in https://github.com/astropy/extension-helpers/pull/100
Bump the actions group across 1 directory with 2 updates by @dependabot in https://github.com/astropy/extension-helpers/pull/99
Bump stefanzweifel/git-auto-commit-action from 5.1.0 to 5.2.0 in /.github/workflows in the actions group by @dependabot in https://github.com/astropy/extension-helpers/pull/104
Bump minimum version of Python to 3.10 and update versions by @astrofrog in https://github.com/astropy/extension-helpers/pull/106

Full Changelog: https://github.com/astropy/extension-helpers/compare/v1.2.0...v1.3.0

Open source →

1.2.016 Oct 2024

Support pathlib.Path in write_if_different and import_file by @astrofrog in #84

What's Changed

New Features

Support pathlib.Path in write_if_different and import_file by @astrofrog in #84

Bug Fixes

TST: fix pyproject-only test (ensure build-time dependencies are installed) by @neutrinoceros in #80

Other Changes

TST: drop legacy pytest fixture tmpdir, use tmp_path instead by @neutrinoceros in #81
Test downstream with Python 3.12 by @astrofrog in #86
MNT: Use hash for Action workflow versions and update if needed by @pllim in #88
Bump actions/checkout from 4.2.0 to 4.2.1 in /.github/workflows in the actions group by @dependabot in #89

Full Changelog: v1.1.1...v1.2.0

Open source →

Additional notes2 sources agree

What's Changed

New Features

Support pathlib.Path in write_if_different and import_file by @astrofrog in https://github.com/astropy/extension-helpers/pull/84

Bug Fixes

TST: fix pyproject-only test (ensure build-time dependencies are installed) by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/80

Other Changes

TST: drop legacy pytest fixture tmpdir, use tmp_path instead by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/81
Test downstream with Python 3.12 by @astrofrog in https://github.com/astropy/extension-helpers/pull/86
MNT: Use hash for Action workflow versions and update if needed by @pllim in https://github.com/astropy/extension-helpers/pull/88
Bump actions/checkout from 4.2.0 to 4.2.1 in /.github/workflows in the actions group by @dependabot in https://github.com/astropy/extension-helpers/pull/89

Full Changelog: https://github.com/astropy/extension-helpers/compare/v1.1.1...v1.2.0

Open source →

1.1.17 Dec 2023Deprecated

MNT: handle deprecation warnings seen in tests by @neutrinoceros in #67

What's Changed

Bug Fixes

get_extensions: use shutil.copyfile to avoid PermissionError by @doronbehar in #59
Fix bug that caused extension-helpers to not work correctly if pyproject was the only configuration file present by @astrofrog in #66

Other Changes

Replace all instances of distutils in docs with setuptools by @lpsinger in #65
Fix typos by @lpsinger in #64
MNT: handle deprecation warnings seen in tests by @neutrinoceros in #67
Add note about pinning extension-helpers by @astrofrog in #72
DEP: drop dependency on tomli on Python 3.11 and newer by @neutrinoceros in #73
TST: treat warnings as errors by @neutrinoceros in #74
MNT: find and replace log.warn -> log.warning (the warn method is deprecated) by @neutrinoceros in #75
Infrastructure updates by @astrofrog in #68
Bump actions/checkout from 2 to 4 by @dependabot in #77
Bump stefanzweifel/git-auto-commit-action from 4 to 5 by @dependabot in #76
Add back support for absolute source paths but deprecate it by @astrofrog in #70

New Contributors

@doronbehar made their first contribution in #59
@neutrinoceros made their first contribution in #67
@dependabot made their first contribution in #77

Full Changelog: v1.1.0...v1.1.1

Open source →

Additional notes2 sources agree

What's Changed

Bug Fixes

get_extensions: use shutil.copyfile to avoid PermissionError by @doronbehar in https://github.com/astropy/extension-helpers/pull/59
Fix bug that caused extension-helpers to not work correctly if pyproject was the only configuration file present by @astrofrog in https://github.com/astropy/extension-helpers/pull/66

Other Changes

Replace all instances of distutils in docs with setuptools by @lpsinger in https://github.com/astropy/extension-helpers/pull/65
Fix typos by @lpsinger in https://github.com/astropy/extension-helpers/pull/64
MNT: handle deprecation warnings seen in tests by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/67
Add note about pinning extension-helpers by @astrofrog in https://github.com/astropy/extension-helpers/pull/72
DEP: drop dependency on tomli on Python 3.11 and newer by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/73
TST: treat warnings as errors by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/74
MNT: find and replace log.warn -> log.warning (the warn method is deprecated) by @neutrinoceros in https://github.com/astropy/extension-helpers/pull/75
Infrastructure updates by @astrofrog in https://github.com/astropy/extension-helpers/pull/68
Bump actions/checkout from 2 to 4 by @dependabot in https://github.com/astropy/extension-helpers/pull/77
Bump stefanzweifel/git-auto-commit-action from 4 to 5 by @dependabot in https://github.com/astropy/extension-helpers/pull/76
Add back support for absolute source paths but deprecate it by @astrofrog in https://github.com/astropy/extension-helpers/pull/70

New Contributors

@doronbehar made their first contribution in https://github.com/astropy/extension-helpers/pull/59
@neutrinoceros made their first contribution in https://github.com/astropy/extension-helpers/pull/67
@dependabot made their first contribution in https://github.com/astropy/extension-helpers/pull/77

Full Changelog: https://github.com/astropy/extension-helpers/compare/v1.1.0...v1.1.1

Open source →

1.1.024 Jul 2023

Support enabling via pyproject.toml by @WilliamJamieson in #48

What's Changed

New Features

Support enabling via pyproject.toml by @WilliamJamieson in #48

Bug Fixes

OpenMP functions should detect the Intel oneAPI compiler by @lpsinger in #44

Infrastructure

Skip hypothesis tests in downstream testing by @astrofrog in #39
Set language for docs by @lpsinger in #45
Update python requirements by @WilliamJamieson in #50
Add pre-commit configuration by @astrofrog in #53
Set testpaths to avoid picking up other tests by @astrofrog in #54
Added configuration required to update changelog when doing release through GitHub UI by @astrofrog in #56

New Contributors

@WilliamJamieson made their first contribution in #50
@pre-commit-ci made their first contribution in #55

Full Changelog: v1.0.0...v1.1.0

Open source →

Additional notes2 sources agree

What's Changed

New Features

Support enabling via pyproject.toml by @WilliamJamieson in https://github.com/astropy/extension-helpers/pull/48

Bug Fixes

OpenMP functions should detect the Intel oneAPI compiler by @lpsinger in https://github.com/astropy/extension-helpers/pull/44

Infrastructure

Skip hypothesis tests in downstream testing by @astrofrog in https://github.com/astropy/extension-helpers/pull/39
Set language for docs by @lpsinger in https://github.com/astropy/extension-helpers/pull/45
Update python requirements by @WilliamJamieson in https://github.com/astropy/extension-helpers/pull/50
Add pre-commit configuration by @astrofrog in https://github.com/astropy/extension-helpers/pull/53
Set testpaths to avoid picking up other tests by @astrofrog in https://github.com/astropy/extension-helpers/pull/54
Added configuration required to update changelog when doing release through GitHub UI by @astrofrog in https://github.com/astropy/extension-helpers/pull/56

New Contributors

@WilliamJamieson made their first contribution in https://github.com/astropy/extension-helpers/pull/50
@pre-commit-ci made their first contribution in https://github.com/astropy/extension-helpers/pull/55

Full Changelog: https://github.com/astropy/extension-helpers/compare/v1.0.0...v1.1.0

Open source →