pypa/setuptools

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Official project repository for the Setuptools build system

Stars: 2.9k
Forks: 1.4k
Open beginner issues: 1
Indexed issues: 607
Avg merge: 1d 1h
Merged PRs (30d): 1

Dominant language: Python
License: MIT
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

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607 open issues indexed

archive_util bypasses tarfile's PEP 706 extraction filters by calling private APIs Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

pypa/setuptools#5328 · Opened Sep 8, 2026
Setuptool Open

distutils deprecation Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 10/100

pypa/setuptools#5322 · 1 reaction · Opened Sep 1, 2026
[FR] Support for metadata 2.6 via PEP 808 Open

enhancement Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pypa/setuptools#5304 · Opened Aug 18, 2026
[BUG] 84.0.0: Extension is unhashable (dataclass conversion sets __hash__ = None) — breaks setup scripts using sets of extensions Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pypa/setuptools#5303 · Opened Aug 15, 2026
[BUG] setuptools 84.0.0 no longer preserves executable bit on package_data files in wheels Open

bug Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 72/100

pypa/setuptools#5296 · Opened Aug 10, 2026
84.0.0: compilers obtained via `setuptools._distutils.ccompiler` raise a `CompileError` that `setuptools.errors.CompileError` no longer matches Open

breaking-change-feedback dependencies distutils deprecation upstream

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pypa/setuptools#5294 · 1 comment · Opened Aug 9, 2026
test_apply_pyproject_equivalent_to_setuptcfg is flaky Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

pypa/setuptools#5284 · 2 comments · Opened Jul 31, 2026
[BUG] setuptools.msvc.EnvironmentInfo MSBuild property result incorrect on VS2017+ Open

bug Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 64/100

pypa/setuptools#5275 · Opened Jul 19, 2026
Stand up standalone `compilers.C` distribution Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

pypa/setuptools#5274 · 2 comments · Opened Jul 18, 2026
Retire the distutils hack (remove top-level `distutils` injection) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

pypa/setuptools#5273 · Opened Jul 18, 2026
Fill migration-guide gaps for ccompiler / new_compiler / get_platform Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

pypa/setuptools#5272 · Opened Jul 18, 2026
Public API for `compilers.C` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

pypa/setuptools#5271 · Opened Jul 18, 2026
[debt] Remove distutils hack Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pypa/setuptools#5264 · 1 comment · Opened Jul 17, 2026
[BUG] Running pip 26.1.2 failed after installing legacy versions of setuptools Open

Waiting User Feedback

Difficulty 3/5 1-2 days Newbie friendliness 68/100

pypa/setuptools#5263 · 1 comment · Opened Jul 16, 2026
[FR] warn on packaging a `py.typed` marker but missing the `Typing :: *` classifier Open

enhancement Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pypa/setuptools#5243 · Opened Jun 26, 2026
Bump jaraco.context to 6.1.0 version to mitigate CVE-2026-23949 Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

pypa/setuptools#5235 · 1 comment · 1 reaction · Opened May 28, 2026
Bump wheel to 0.46.2 version to mitigate CVE-2026-24049 Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pypa/setuptools#5234 · 1 comment · Opened May 28, 2026
Use Trusted Publishing to upload to PyPI Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pypa/setuptools#5231 · 1 comment · 5 reactions · Opened May 21, 2026
Keep Py3.9 support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

pypa/setuptools#5227 · Opened May 12, 2026
[FR] Publish the pyproject.toml specification as a JSON schema Open

enhancement Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 32/100

pypa/setuptools#5218 · 1 comment · Opened Apr 11, 2026
[Docs] Missing external copyright notices for code copies Open

documentation Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pypa/setuptools#5215 · Opened Apr 8, 2026
[FR] Support building extensions and wheels with the abi3t ABI (PEP 803) Open

enhancement Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 45/100

pypa/setuptools#5205 · 1 comment · 3 reactions · Opened Apr 1, 2026
[BUG] Inconsistent behaviour of providing extension without sources between platforms Open

Needs Discussion

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pypa/setuptools#5204 · 3 comments · Opened Apr 1, 2026
[BUG] Race condition due to reuse of build folder when building extensions in parallel Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pypa/setuptools#5196 · 6 comments · Opened Mar 12, 2026
What is the instance of the setuptools regarding to AI-assisted contributions? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pypa/setuptools#5192 · 1 reaction · Opened Mar 2, 2026
[Docs[ Non-historical documentations that assume a still active `pkg_resources` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pypa/setuptools#5179 · 1 reaction · Opened Feb 10, 2026
[BUG] Restore `pkg_resources` Open

bug Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

pypa/setuptools#5174 · 15 comments · 107 reactions · Opened Feb 9, 2026
[CI] Upgrade GitHub Actions to v4 Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

pypa/setuptools#5148 · 2 comments · Opened Jan 20, 2026
[FR] `package-dir`-aware `find:` directive Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

pypa/setuptools#5145 · 16 comments · Opened Jan 19, 2026
[FR] Add support for building exes using C source files. Open

enhancement Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

pypa/setuptools#5135 · Opened Jan 7, 2026
[BUG] `build --wheel` leaves unnecessary files Open

bug Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

pypa/setuptools#5134 · 3 comments · Opened Jan 1, 2026
[BUG] build command copies extension sources (.c, .cpp files) to build/lib directory Open

bug Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 50/100

pypa/setuptools#5133 · 1 comment · Opened Dec 24, 2025
[BUG] cygwin C compiler fails to respect source file extension casing Open

bug Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

pypa/setuptools#5130 · 2 comments · Opened Dec 8, 2025
[FR] Support `.tar.zst` (zstandard-compressed tarball) source distribution formats Open

enhancement Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 50/100

pypa/setuptools#5127 · 1 comment · Opened Dec 1, 2025
[BUG] C++ shared library linking fails on Ubuntu: `-shared` flag stripped in transformation block Open

bug Needs Triage

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

pypa/setuptools#5123 · 2 comments · Opened Nov 25, 2025
[BUG] setting install_requires=[] disables dynamic requires-dist Open

bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pypa/setuptools#5120 · 3 comments · Opened Nov 20, 2025
[FR] [Docs] Return processing of environment variables to `build_ext` Open

enhancement Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

pypa/setuptools#5117 · 1 comment · Opened Nov 18, 2025
[FR] Add support for PEP 794 Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pypa/setuptools#5112 · 8 comments · 1 reaction · Opened Nov 14, 2025
[BUG] No module named 'distutils' in python3.13t Open

bug Needs Simplified Reproducer Needs Triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pypa/setuptools#5110 · 1 comment · Opened Nov 3, 2025
80.9.0 [testing] `test_universal_deprecated` fails Open

TODO: Removal

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pypa/setuptools#5097 · 1 comment · Opened Oct 17, 2025
`[tool.setuptools.ext-modules]` in `pyproject.toml` is still *experimental* ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pypa/setuptools#5096 · 1 comment · Opened Oct 17, 2025
80.9.0 [testing] FileNotFoundError: [Errno 2] No such file or directory: 'foo.egg-info/SOURCES.txt' Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

pypa/setuptools#5094 · 1 comment · Opened Oct 16, 2025
[BUG] Weird warning for pure-Cython submodule on Windows Open

bug Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 42/100

pypa/setuptools#5093 · 3 comments · Opened Oct 9, 2025
[FR] Allow glob values (or similar) for `ext-modules` in `pyproject.toml` Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pypa/setuptools#5092 · 6 comments · Opened Oct 9, 2025
Editable install (with -C editable_mode=strict) ignores MANIFEST.in Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pypa/setuptools#5089 · 3 comments · Opened Sep 24, 2025
[BUG] Setuptools copies source files to build lib even if the targets are up to date with sources Open

bug Needs Triage

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

pypa/setuptools#5079 · 2 comments · 1 reaction · Opened Sep 5, 2025
RFC: Automatic generation of type stubs - subclassing install? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pypa/setuptools#5078 · 6 comments · Opened Sep 1, 2025
[FR] Give user-friendly error messages when things go wrong rather than a stack trace Open

enhancement Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pypa/setuptools#5073 · 1 comment · Opened Aug 26, 2025
[BUG] A simple C++ SWIG example fails when built through setuptools Open

bug Needs Triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pypa/setuptools#5059 · Opened Aug 3, 2025
[FR] Check installed dependency versions Open

enhancement Needs Triage

Difficulty 5/5 Over a week Newbie friendliness 35/100

pypa/setuptools#5054 · 2 reactions · Opened Jul 27, 2025

pypa/setuptools

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