pypa/packaging

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Core utilities for Python packages

Stars: 751
Forks: 324
Open beginner issues: 0
Indexed issues: 66
Avg merge: 12h 58m
Merged PRs (30d): 3

Dominant language: Python
License: No license data
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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66 open issues indexed

Intermittent test failures due to hypothesis in TestCompatibleReleaseDefinition.test_compatible_release_matches_expected_compatible Open

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

pypa/packaging#1406 · 3 comments · Opened Sep 10, 2026
Consuming new core metadata versions in `packaging.metadata` as a spec compliant automated tool is hard Open

enhancement packaging.metadata

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

pypa/packaging#1404 · 3 comments · Opened Sep 6, 2026
`Value.serialize()` does not escape backslashes, so `str(Marker(x))` can re-parse to a marker that evaluates differently Open

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

pypa/packaging#1399 · 3 comments · 1 reaction · Opened Aug 31, 2026
Enable GHSAs instead of pointing to `security@python.org`? Open

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

pypa/packaging#1397 · 7 comments · Opened Aug 26, 2026
`parse_wheel_filename` can return a project name that fails `is_normalized_name` Open

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

pypa/packaging#1350 · 2 comments · Opened Jul 25, 2026
Clarify set-valued marker handling for extras and selected-extra evaluation Open

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

pypa/packaging#1312 · 3 comments · Opened Jul 4, 2026
`parse_wheel_filename()` vs. wheel variants (PEP 825) Open

enhancement packaging.utils

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

pypa/packaging#1148 · 9 comments · Opened Apr 6, 2026
Add `packaging.index` Open

enhancement

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

pypa/packaging#1088 · 2 comments · Opened Feb 10, 2026
Potential feature gaps when compared to the specs Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#1086 · 6 comments · 1 reaction · Opened Feb 9, 2026
Arbitrary equality parsed different using `Specifer` and `SpecifierSet` Open

enhancement packaging.specifiers

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

pypa/packaging#1000 · 6 comments · Opened Nov 27, 2025
Add subset / superset method(s) to `Specifier` / `SpecifierSet` Open

enhancement packaging.specifiers

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

pypa/packaging#947 · 1 comment · Opened Oct 15, 2025
Marker version comparison fails when the marker variable is on the RHS of a term. Open

bug packaging.markers

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

pypa/packaging#934 · 3 comments · 1 reaction · Opened Sep 16, 2025
Provide a way to distinguish between dev-only releases and dev release of a pre-release Open

enhancement packaging.version

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

pypa/packaging#906 · Opened May 9, 2025
Bug: `parse_wheel_filename` permits non-normalized versions. Open

bug packaging.utils

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

pypa/packaging#873 · 22 comments · Opened Feb 13, 2025
Handling of the `Description` metadata field Open

enhancement packaging.metadata

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

pypa/packaging#867 · 3 comments · Opened Jan 23, 2025
Thoughts on validating License-File presence in metadata version 2.1? Open

enhancement packaging.metadata

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

pypa/packaging#862 · 1 comment · Opened Dec 17, 2024
utils.canonicalize_version produces an abnormal version Open

packaging.utils packaging.version

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pypa/packaging#792 · 7 comments · Opened Apr 12, 2024
Cannot allow pre-/developmental releases in a Requirement Open

enhancement packaging.requirements

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

pypa/packaging#790 · 2 comments · Opened Apr 5, 2024
Support a Custom Validation Policy for Metadata Open

enhancement packaging.metadata

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

pypa/packaging#732 · 1 comment · Opened Oct 8, 2023
Move `packaging` to PyPA org on PyPI? Open

infrastructure

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#714 · 7 comments · Opened Aug 29, 2023
Add functionality for working with RECORD files Open

enhancement

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

pypa/packaging#708 · 4 comments · 1 reaction · Opened Aug 18, 2023
Add data structure, parsing and serialisation for `direct_url.json` Open

enhancement

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

pypa/packaging#701 · 9 comments · 4 reactions · Opened Jul 9, 2023
Adding a wheel management API Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#697 · 27 comments · 3 reactions · Opened Jun 10, 2023
ABI of debug CPython builds Open

enhancement packaging.tags

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

pypa/packaging#691 · 1 comment · Opened Apr 29, 2023
Make it possible to check/validate requirements and versions online Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#670 · 2 comments · Opened Jan 23, 2023
Spaces missing in Requirement string representation Open

enhancement packaging.requirements

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

pypa/packaging#654 · Opened Jan 7, 2023
Add PEP 621 project table parsing and validation module Open

enhancement

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

pypa/packaging#647 · 19 comments · 1 reaction · Opened Dec 22, 2022
Normalisation and Requirement's `str()` Open

enhancement packaging.requirements

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

pypa/packaging#644 · 18 comments · 1 reaction · Opened Dec 13, 2022
Marker comparisons silently switches from version comparison to lexicographically Open

packaging.markers

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

pypa/packaging#633 · 1 reaction · Opened Dec 8, 2022
Transition the various objects to frozen dataclasses Open

enhancement

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

pypa/packaging#625 · 2 comments · Opened Dec 5, 2022
Add `packaging.tags.interpreter_tag` Open

enhancement packaging.tags

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

pypa/packaging#612 · 1 comment · Opened Nov 9, 2022
Design a higher-level API for `packaging.tags` Open

enhancement packaging.tags

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#602 · 6 comments · Opened Oct 18, 2022
Revisit what files go into the SDist Open

infrastructure

Difficulty 5/5 Over a week Newbie friendliness 20/100

pypa/packaging#600 · Opened Oct 15, 2022
Provide a way to instantiate a version quickly when the parsed content is known Open

enhancement packaging.version

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

pypa/packaging#590 · 4 comments · Opened Sep 10, 2022
Missing valid mac tags Open

packaging.tags question

Difficulty 4/5 3-5 days Newbie friendliness 38/100

pypa/packaging#578 · 43 comments · Opened Jul 20, 2022
Plans for `packaging.metadata` Open

enhancement packaging.metadata

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

pypa/packaging#570 · 102 comments · Opened Jul 8, 2022
Move documentation to use `sphinx.ext.autodoc` or `sphinx-apidoc` Open

documentation

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

pypa/packaging#567 · 5 comments · Opened Jul 8, 2022
Add an `escape_name()` function Open

enhancement packaging.utils

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

pypa/packaging#542 · 7 comments · 3 reactions · Opened May 5, 2022
Support combining markers? Open

enhancement packaging.markers

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

pypa/packaging#540 · 1 comment · 1 reaction · Opened Apr 27, 2022
Ambiguous version parsing in `parse_sdist_filename` Open

enhancement packaging.utils

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

pypa/packaging#527 · 36 comments · Opened Mar 28, 2022
Expose Marker tree structure in the API Open

enhancement packaging.markers

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

pypa/packaging#496 · 4 comments · 2 reactions · Opened Jan 1, 2022
Adopt towncrier to manage CHANGELOG updates Open

infrastructure

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

pypa/packaging#477 · 3 comments · Opened Oct 29, 2021
64-bit Python running in 32-bit mode isn't able to install any of aarch64 and armv7l wheels Open

packaging.tags

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

pypa/packaging#476 · 6 comments · Opened Oct 27, 2021
Unclear how to evaluate a marker for a set of extras Open

packaging.markers question

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

pypa/packaging#452 · 8 comments · 1 reaction · Opened Aug 17, 2021
No way to do operations on marker Open

enhancement packaging.markers

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

pypa/packaging#448 · 23 comments · 1 reaction · Opened Jul 16, 2021
provide a mechanism for intentionally de-normalized versions (use-case nicely aligned date based calver) Open

enhancement packaging.version

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

pypa/packaging#443 · 4 comments · Opened Jun 25, 2021
Allow requirement.Marker.evaluate() with arbitrary environment Open

enhancement packaging.markers

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

pypa/packaging#431 · 1 comment · 1 reaction · Opened May 25, 2021
Upstream mousebender.simple for a simple repository API submodule? Open

enhancement question

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

pypa/packaging#424 · 4 comments · 2 reactions · Opened Apr 27, 2021
Adopt pre-commit.ci? Open

infrastructure question

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

pypa/packaging#419 · 4 comments · Opened Apr 6, 2021
Auth not redacted in string representation of the requirement Open

enhancement packaging.requirements

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

pypa/packaging#416 · 6 comments · Opened Mar 23, 2021

pypa/packaging

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