v26.2

Compare Source

What's Changed

Fixes:

• Fix incorrect sysconfig var name for pyemscripten by @​ryanking13 in #​1160
• Make Version, Specifier, SpecifierSet, Tag, Marker, and Requirement pickle-safe
  and backward-compatible with pickles created in 25.0-26.1 (including references to the removed
  packaging._structures module) by @​eachimei and @​henryiii in #​1163, #​1168, #​1170, and #​1171
• fix: re-export ExceptionGroup for now by @​henryiii in #​1164

Documentation:

• docs: add errors section and fix missing details by @​henryiii in #​1159
• docs(dev): document property-based test suite by @​r266-tech in #​1167
• Fix typo in DirectUrl documentation by @​sbidoul in #​1169
• docs(specifiers): add is_unsatisfiable() usage example by @​r266-tech in #​1166

Internal:

• Enable the auditor persona on zizmor by @​henryiii in #​1158
• Test new pickle guarantees by @​henryiii in #​1174
• Use native uv integration in rtd by @​henryiii in #​1175

New Contributors

• @​ryanking13 made their first contribution in #​1160
• @​eachimei made their first contribution in #​1163

Full Changelog: pypa/packaging@26.1...26.2

v26.1

Compare Source

Features:

• PEP 783: add handling for Emscripten wheel tags by @​hoodmane in #​804 (old name used in implementation, will be fixed in next release)
• PEP 803: add handling for the abi3.abi3t free-threading tag by @​ngoldbaum in #​1099
• PEP 723: add packaging.dependency_groups module, based on the dependency-groups package by @​sirosen in #​1065
• Add the packaging.direct_url module by @​sbidoul in #​944
• Add the packaging.errors module by @​henryiii in #​1071
• Add SpecifierSet.is_unsatisfiable using ranges (new internals that will be expanded in future versions) by @​notatallshaw in #​1119
• Add create_compatible_tags_selector to select compatible tags by @​sbidoul in #​1110
• Add a key argument to SpecifierSet.filter() by @​frostming in #​1068
• Support & and | for Marker's by @​henryiii in #​1146
• Normalize Version.__replace__ and add Version.from_parts by @​henryiii in #​1078
• Add an option to validate compressed tag set sort order in parse_wheel_filename by @​r266-tech in #​1150

Behavior adaptations:

• Narrow exclusion of pre-releases for <V.postN to match spec by @​notatallshaw in #​1140
• Narrow exclusion of post-releases for >V to match spec by @​notatallshaw in #​1141
• Rename format_full_version to _format_full_version to make it visibly private by @​r266-tech in #​1125
• Restrict local version to ASCII by @​henryiii in #​1102

Pylock (PEP 751) updates:

• Add pylock select function by @​sbidoul in #​1092
• Document pylock select() method and PylockSelectError by @​r266-tech in #​1153
• Add filename property to PackageSdist and PackageWheel, more validation by @​sbidoul in #​1095
• Give preference to path over url by @​sbidoul in #​1128
• Validate name/version consistency in file names by @​sbidoul in #​1114

Fixes:

• Fix > comparison for versions with dev+local segments by @​veeceey in #​1097
• Fix incorrect self-comparison for InfinityType and NegativeInfinityType by @​bysiber in #​1093
• Canonicalize when deduplicating specifiers in SpecifierSet by @​notatallshaw in #​1109
• Fix charset error message formatting by @​notatallshaw in #​1121
• Handle the key parameter in SpecifierSet.filter when specifiers are empty and prerelease is False by @​notatallshaw in #​1096
• Standardize inner components of repr output by @​henryiii in #​1090
• Specifier's === uses original string, not normalized, when available by @​notatallshaw in #​1124
• Propagate int-max-str-digits ValueError by @​notatallshaw in #​1155

Performance:

• Add fast path for parsing simple versions (digits and dots only) by @​notatallshaw in #​1082
• Add fast path for Version to Version comparison by skipping _key property by @​notatallshaw in #​1083
• Cache Version hash value in dedicated slot by @​notatallshaw in #​1118
• Overhaul _cmpkey to remove use of custom objects by @​notatallshaw in #​1116
• Skip __replace__ in Specifier comparison if not needed by @​notatallshaw in #​1081
• SpecifierSet use tuple instead of frozenset for _specs by @​notatallshaw in #​1108
• Speed up complex SpecifierSet filtering by implementing cost-based ordering by @​notatallshaw in #​1105
• Speed up wildcard comparison by @​notatallshaw in #​1111
• Stream PEP440 filtering in SpecifierSet.filter by @​notatallshaw in #​1076
• Add __slots__ to Marker by @​henryiii in #​1147
• Simply Specifier regex by @​sirosen in #​1106
• Skip using the hash property internally by @​notatallshaw in #​1115

Internal:

• Add downstream testing by @​henryiii in #​1049
• Benchmarking suite by @​henryiii in #​1059
• Benchmark variance reduction by @​notatallshaw in #​1107
• Add property-based tests for PEP 440 by @​notatallshaw in #​1144
• Clean up a few collections.namedtuple in tests by @​henryiii in #​1070
• Do not reload the tags module in tests by @​henryiii in #​1152
• Limit dir() / tab-completion in REPL by @​henryiii in #​1011
• Add more __all__/__dir__ by @​henryiii in #​1069
• Cleanup pre-commit a bit by @​henryiii in #​1080
• Pin pre-commit file, use dependabot by @​henryiii in #​1133
• Remove sphinx-toolbox by @​henryiii in #​1135
• Use docs group, faster readthedocs by @​henryiii in #​1061
• Add free-threaded Python to CI by @​henryiii in #​1098
• Simplify combining SpecifierSet.prereleases by @​notatallshaw in #​1073
• Use direct operator methods in _compare_compatible by @​notatallshaw in #​1100
• Remove unnecessary if statement in Specifier.prereleases by @​notatallshaw in #​1074
• Remove unneeded nesting in Specifier.prereleases by @​notatallshaw in #​1072

Documentation:

• Fix documentation: grammar, typos, formatting, and outdated references by @​DimitriPapadopoulos in #​1084
• Fix versionadded for Version.from_parts() by @​Jackenmen in #​1134
• Document & and | operators for combining Marker objects by @​r266-tech in #​1151
• Expand and clean up Version documentation by @​henryiii in #​1089
• Move license docs inline by @​henryiii in #​1131
• Move markers inline by @​henryiii in #​1104
• Move tags docs to inline by @​henryiii in #​1130
• Move utilities inline, like other modules by @​henryiii in #​1103

Benchmarks

Performance improvements since 26.0, from the new integrated benchmark suite:

uv run asv run 26.0..HEAD

New Contributors

• @​veeceey made their first contribution in #​1097
• @​bysiber made their first contribution in #​1093
• @​sirosen made their first contribution in #​1106
• @​Jackenmen made their first contribution in #​1134
• @​ngoldbaum made their first contribution in #​1099
• @​r266-tech made their first contribution in #​1151
• @​hoodmane made their first contribution in #​804

Full Changelog: pypa/packaging@26.0...26.1