Log message:
py-packaging: updated to 24.0

24.0 - 2024-03-10

* Do specifier matching correctly when the specifier contains an epoch number
  and has more components than the version
* Support the experimental ``--disable-gil`` builds in packaging.tags
* BREAKING: Make optional ``metadata.Metadata`` attributes default to ``None``
* Fix errors when trying to access the ``description_content_type``, ``keywords``,
  and ``requires_python`` attributes on ``metadata.Metadata`` when those values
  have not been provided
* Fix a bug preventing the use of the built in ``ExceptionGroup`` on versions of
  Python that support it

Log message:
py-packaging: switch to bootstrap.mk

Bump PKGREVISION.

Log message:
py-packaging: updated to 23.2

23.2 - 2023-10-01

* Document calendar-based versioning scheme (:issue:`716`)
* Enforce that the entire marker string is parsed (:issue:`687`)
* Requirement parsing no longer automatically validates the URL (:issue:`120`)
* Canonicalize names for requirements comparison (:issue:`644`)
* Introduce ``metadata.Metadata`` (along with ``metadata.ExceptionGroup`` and \ 
``metadata.InvalidMetadata``; :issue:`570`)
* Introduce the ``validate`` keyword parameter to ``utils.validate_name()`` \ 
(:issue:`570`)
* Introduce ``utils.is_normalized_name()`` (:issue:`570`)
* Make ``utils.parse_sdist_filename()`` and ``utils.parse_wheel_filename()``
  raise ``InvalidSdistFilename`` and ``InvalidWheelFilename``, respectively,
  when the version component of the name is invalid

Log message:
py-packaging: updated to 23.1

23.1

What's Changed

chore: add typed classifier
Improve parser error messaging around mistakes in/around version specifiers
Upgrade to latest mypy
Delete print() from test_tags
Update our linters
Improve error for local version label with unsupported operators
Parse raw metadata
Handle prefix match with zeros at end of prefix correctly
Relax typing of _key on _BaseVersion
Replace spaces in platform names with underscores
Import underlying parser function as an underscored variable

Log message:
py-packaging: updated to 23.0

23.0

Allow "extra" to be None in the marker environment
Refactor tags._generic_api to use EXT_SUFFIX
Correctly handle trailing whitespace on URL requirements
Fix typing for specifiers.BaseSpecifier.filter()
Use stable Python 3.11 in tests
Correctly handle non-normalised specifiers in requirements
Move to src/ layout
Remove __about__ file, in favour of keeping constants in __init__

Log message:
*: bump PKGREVISION for egg.mk users

They now have a tool dependency on py-setuptools instead of a DEPENDS

Log message:
py-packaging: updated to 21.3

21.3
* Add a ``pp3-none-any`` tag
* Replace the blank pyparsing 3 exclusion with a 3.0.5 exclusion
* Fix a spelling mistake

Log message:
py-packaging: update to 21.2.

21.2 - 2021-10-29
~~~~~~~~~~~~~~~~~

* Update documentation entry for 21.1.

21.1 - 2021-10-29
~~~~~~~~~~~~~~~~~

* Update pin to pyparsing to exclude 3.0.0.

21.0 - 2021-07-03
~~~~~~~~~~~~~~~~~

* PEP 656: musllinux support (:issue:`411`)
* Drop support for Python 2.7, Python 3.4 and Python 3.5.
* Replace distutils usage with sysconfig (:issue:`396`)
* Add support for zip files in ``parse_sdist_filename`` (:issue:`429`)
* Use cached ``_hash`` attribute to short-circuit tag equality comparisons \ 
(:issue:`417`)
* Specify the default value for the ``specifier`` argument to ``SpecifierSet`` \ 
(:issue:`437`)
* Proper keyword-only "warn" argument in packaging.tags (:issue:`403`)
* Correctly remove prerelease suffixes from ~= check (:issue:`366`)
* Fix type hints for ``Version.post`` and ``Version.dev`` (:issue:`393`)
* Use typing alias ``UnparsedVersion`` (:issue:`398`)
* Improve type inference for ``packaging.specifiers.filter()`` (:issue:`430`)
* Tighten the return type of ``canonicalize_version()`` (:issue:`402`)