Bump packaging from 26.0 to 26.1 (#25912) Bumps [packaging](https://github.com/pypa/packaging) from 26.0 to 26.1.

Release notes

26.1

Features:

~~PEP 783: add handling for Emscripten wheel tags by @hoodmane in pypa/packaging#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 pypa/packaging#1099

PEP 723: add packaging.dependency_groups module, based on the dependency-groups package by @sirosen in pypa/packaging#1065

Add the packaging.direct_url module by @sbidoul in pypa/packaging#944

Add the packaging.errors module by @henryiii in pypa/packaging#1071

Add SpecifierSet.is_unsatisfiable using ranges (new internals that will be expanded in future versions) by @notatallshaw in pypa/packaging#1119

Add create_compatible_tags_selector to select compatible tags by @sbidoul in pypa/packaging#1110

Add a key argument to SpecifierSet.filter() by @frostming in pypa/packaging#1068

Support & and | for Marker's by @henryiii in pypa/packaging#1146

Normalize Version.__replace__ and add Version.from_parts by @henryiii in pypa/packaging#1078

Add an option to validate compressed tag set sort order in parse_wheel_filename by @r266-tech in pypa/packaging#1150

Behavior adaptations:

Narrow exclusion of pre-releases for <V.postN to match spec by @notatallshaw in pypa/packaging#1140

Narrow exclusion of post-releases for >V to match spec by @notatallshaw in pypa/packaging#1141

Rename format_full_version to _format_full_version to make it visibly private by @r266-tech in pypa/packaging#1125

Restrict local version to ASCII by @henryiii in pypa/packaging#1102

Pylock (PEP 751) updates:

Add pylock select function by @sbidoul in pypa/packaging#1092

Document pylock select() method and PylockSelectError by @r266-tech in pypa/packaging#1153

Add filename property to PackageSdist and PackageWheel, more validation by @sbidoul in pypa/packaging#1095

Give preference to path over url by @sbidoul in pypa/packaging#1128

Validate name/version consistency in file names by @sbidoul in pypa/packaging#1114

Fixes:

Fix > comparison for versions with dev+local segments by @veeceey in pypa/packaging#1097

Fix incorrect self-comparison for InfinityType and NegativeInfinityType by @bysiber in pypa/packaging#1093

Canonicalize when deduplicating specifiers in SpecifierSet by @notatallshaw in pypa/packaging#1109

Fix charset error message formatting by @notatallshaw in pypa/packaging#1121

Handle the key parameter in SpecifierSet.filter when specifiers are empty and prerelease is False by @notatallshaw in pypa/packaging#1096

Standardize inner components of repr output by @henryiii in pypa/packaging#1090

Specifier's === uses original string, not normalized, when available by @notatallshaw in pypa/packaging#1124

Propagate int-max-str-digits ValueError by @notatallshaw in pypa/packaging#1155

Performance:

Add fast path for parsing simple versions (digits and dots only) by @notatallshaw in pypa/packaging#1082

Add fast path for Version to Version comparison by skipping _key property by @notatallshaw in pypa/packaging#1083

Cache Version hash value in dedicated slot by @notatallshaw in pypa/packaging#1118

Overhaul _cmpkey to remove use of custom objects by @notatallshaw in pypa/packaging#1116

Skip __replace__ in Specifier comparison if not needed by @notatallshaw in pypa/packaging#1081

SpecifierSet use tuple instead of frozenset for _specs by @notatallshaw in pypa/packaging#1108

Speed up complex SpecifierSet filtering by implementing cost-based ordering by @notatallshaw in pypa/packaging#1105

... (truncated)

Changelog

Sourced from packaging's changelog.

26.1 - 2026-04-14


Features:

PEP 783: add handling for Emscripten wheel tags in
(:pull:804)
PEP 803: add handling for the abi3.abi3t free-threading
tag in (:pull:1099)
PEP 723: add packaging.dependency_groups module, based
on the dependency-groups package in
(:pull:1065)
Add the packaging.direct_url module in
(:pull:944)
Add the packaging.errors module in
(:pull:1071)
Add SpecifierSet.is_unsatisfiable using ranges (new
internals that will be expanded in future versions) in
(:pull:1119)
Add create_compatible_tags_selector to select
compatible tags in (:pull:1110)
Add a key argument to
SpecifierSet.filter() in (:pull:1068)
Support &amp; and | for
Marker's in (:pull:1146)
Normalize Version.__replace__ and add
Version.from_parts in (:pull:1078)
Add an option to validate compressed tag set sort order in
parse_wheel_filename in (:pull:1150)

Behavior adaptations:

Narrow exclusion of pre-releases for &lt;V.postN to
match spec in (:pull:1140)
Narrow exclusion of post-releases for &gt;V to
match spec in (:pull:1141)
Rename format_full_version to
_format_full_version to make it visibly private in
(:pull:1125)
Restrict local version to ASCII in (:pull:1102)

Pylock (PEP 751) updates:

Add pylock select function in
(:pull:1092)
Document pylock select() method and
PylockSelectError in (:pull:1153)
Add filename property to PackageSdist and
PackageWheel, more validation in
(:pull:1095)
Give preference to path over url in (:pull:1128)
Validate name/version consistency in file names in
(:pull:1114)

Fixes:

Fix &gt; comparison for versions with dev+local
segments in (:pull:1097)
Fix incorrect self-comparison for InfinityType and
NegativeInfinityType in (:pull:1093)
Canonicalize when deduplicating specifiers in
SpecifierSet in (:pull:1109)
Fix charset error message formatting in
(:pull:1121)
Handle the key parameter in
SpecifierSet.filter when specifiers are empty and
prerelease is False in (:pull:1096)
Standardize inner components of repr output in
(:pull:1090)
Specifier's === uses original string, not
normalized, when available in (:pull:1124)
Propagate int-max-str-digits ValueError in
(:pull:1155)

Performance:

Add fast path for parsing simple versions (digits and dots only) in
(:pull:1082)
Add fast path for Version to Version
comparison by skipping _key property in
(:pull:1083)
Cache Version hash value in dedicated slot in
(:pull:1118)
Overhaul _cmpkey to remove use of custom objects in
(:pull:1116)
Skip __replace__ in Specifier comparison if not needed
in (:pull:1081)

</tr></table>

... (truncated)

Commits

c1a88a3 Bump for release
702c25e docs: update changelog for 26.1 (#1156)
3f4f5d4 Implement is_unsatisfiable on SpecifierSet using ranges (#1119)
06c6555 Propagate int-max-str-digits ValueError (#1155)
905c90c feat: option to validate compressed tag set sort order in `parse_wheel_filena...
af0026c docs(pylock): document select() method and PylockSelectError (#1153)
668da86 Rename format_full_version to _format_full_version to make it visibly private...
f294d52 tests: do not reload the tags module (#1152)
2c6c7df feat: add handling for Emscripten wheels tags per PEP 783 (#804)
6762eea docs(markers): document & and | operators for combining Marker objects (#1151)
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