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Changelog
---------
21.3 - 2021-11-17
~~~~~~~~~~~~~~~~~
* Add a ``pp3-none-any`` tag (:issue:`311`)
* Replace the blank pyparsing 3 exclusion with a 3.0.5 exclusion (:issue:`481`, :issue:`486`)
* Fix a spelling mistake (:issue:`479`)
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`)
20.9 - 2021-01-29
~~~~~~~~~~~~~~~~~
* Add support for the ``macosx_10_*_universal2`` platform tags (:issue:`379`)
* Introduce ``packaging.utils.parse_wheel_filename()`` and ``parse_sdist_filename()``
(:issue:`387` and :issue:`389`)
20.8 - 2020-12-11
~~~~~~~~~~~~~~~~~
* Revert back to setuptools for compatibility purposes for some Linux distros (:issue:`363`)
* Do not insert an underscore in wheel tags when the interpreter version number
is more than 2 digits (:issue:`372`)
20.7 - 2020-11-28
~~~~~~~~~~~~~~~~~
No unreleased changes.
20.6 - 2020-11-28
~~~~~~~~~~~~~~~~~
.. note:: This release was subsequently yanked, and these changes were included in 20.7.
* Fix flit configuration, to include LICENSE files (:issue:`357`)
* Make `intel` a recognized CPU architecture for the `universal` macOS platform tag (:issue:`361`)
* Add some missing type hints to `packaging.requirements` (issue:`350`)
20.5 - 2020-11-27
~~~~~~~~~~~~~~~~~
* Officially support Python 3.9 (:issue:`343`)
* Deprecate the ``LegacyVersion`` and ``LegacySpecifier`` classes (:issue:`321`)
* Handle ``OSError`` on non-dynamic executables when attempting to resolve
the glibc version string.
20.4 - 2020-05-19
~~~~~~~~~~~~~~~~~
* Canonicalize version before comparing specifiers. (:issue:`282`)
* Change type hint for ``canonicalize_name`` to return
``packaging.utils.NormalizedName``.
This enables the use of static typing tools (like mypy) to detect mixing of
normalized and un-normalized names.
20.3 - 2020-03-05
~~~~~~~~~~~~~~~~~
* Fix changelog for 20.2.
20.2 - 2020-03-05
~~~~~~~~~~~~~~~~~
* Fix a bug that caused a 32-bit OS that runs on a 64-bit ARM CPU (e.g. ARM-v8,
aarch64), to report the wrong bitness.
20.1 - 2020-01-24
~~~~~~~~~~~~~~~~~~~
* Fix a bug caused by reuse of an exhausted iterator. (:issue:`257`)
20.0 - 2020-01-06
~~~~~~~~~~~~~~~~~
* Add type hints (:issue:`191`)
* Add proper trove classifiers for PyPy support (:issue:`198`)
* Scale back depending on ``ctypes`` for manylinux support detection (:issue:`171`)
* Use ``sys.implementation.name`` where appropriate for ``packaging.tags`` (:issue:`193`)
* Expand upon the API provided by ``packaging.tags``: ``interpreter_name()``, ``mac_platforms()``, ``compatible_tags()``, ``cpython_tags()``, ``generic_tags()`` (:issue:`187`)
* Officially support Python 3.8 (:issue:`232`)
* Add ``major``, ``minor``, and ``micro`` aliases to ``packaging.version.Version`` (:issue:`226`)
* Properly mark ``packaging`` has being fully typed by adding a `py.typed` file (:issue:`226`)
19.2 - 2019-09-18
~~~~~~~~~~~~~~~~~
* Remove dependency on ``attrs`` (:issue:`178`, :issue:`179`)
* Use appropriate fallbacks for CPython ABI tag (:issue:`181`, :issue:`185`)
* Add manylinux2014 support (:issue:`186`)
* Improve ABI detection (:issue:`181`)
* Properly handle debug wheels for Python 3.8 (:issue:`172`)
* Improve detection of debug builds on Windows (:issue:`194`)
19.1 - 2019-07-30
~~~~~~~~~~~~~~~~~
* Add the ``packaging.tags`` module. (:issue:`156`)
* Correctly handle two-digit versions in ``python_version`` (:issue:`119`)
19.0 - 2019-01-20
~~~~~~~~~~~~~~~~~
* Fix string representation of PEP 508 direct URL requirements with markers.
* Better handling of file URLs
prevented due to the missing ``netloc``.
This allows for all file URLs that ``urlunparse`` turns back into the
original URL to be valid.
18.0 - 2018-09-26
~~~~~~~~~~~~~~~~~
* Improve error messages when invalid requirements are given. (:issue:`129`)
17.1 - 2017-02-28
~~~~~~~~~~~~~~~~~
* Fix ``utils.canonicalize_version`` when supplying non PEP 440 versions.
17.0 - 2017-02-28
~~~~~~~~~~~~~~~~~
* Drop support for python 2.6, 3.2, and 3.3.
* Define minimal pyparsing version to 2.0.2 (:issue:`91`).
* Add ``epoch``, ``release``, ``pre``, ``dev``, and ``post`` attributes to
``Version`` and ``LegacyVersion`` (:issue:`34`).
* Add ``Version().is_devrelease`` and ``LegacyVersion().is_devrelease`` to
make it easy to determine if a release is a development release.
* Add ``utils.canonicalize_version`` to canonicalize version strings or
``Version`` instances (:issue:`121`).
16.8 - 2016-10-29
~~~~~~~~~~~~~~~~~
* Fix markers that utilize ``in`` so that they render correctly.
* Fix an erroneous test on Python RC releases.
16.7 - 2016-04-23
~~~~~~~~~~~~~~~~~
* Add support for the deprecated ``python_implementation`` marker which was
an undocumented setuptools marker in addition to the newer markers.
16.6 - 2016-03-29
~~~~~~~~~~~~~~~~~
* Add support for the deprecated, PEP 345 environment markers in addition to
the newer markers.
16.5 - 2016-02-26
~~~~~~~~~~~~~~~~~
* Fix a regression in parsing requirements with whitespaces between the comma
separators.
16.4 - 2016-02-22
~~~~~~~~~~~~~~~~~
* Fix a regression in parsing requirements like ``foo (==4)``.
16.3 - 2016-02-21
~~~~~~~~~~~~~~~~~
* Fix a bug where ``packaging.requirements:Requirement`` was overly strict when
matching legacy requirements.
16.2 - 2016-02-09
~~~~~~~~~~~~~~~~~
* Add a function that implements the name canonicalization from PEP 503.
16.1 - 2016-02-07
~~~~~~~~~~~~~~~~~
* Implement requirement specifiers from PEP 508.
16.0 - 2016-01-19
~~~~~~~~~~~~~~~~~
* Relicense so that packaging is available under *either* the Apache License,
Version 2.0 or a 2 Clause BSD license.
* Support installation of packaging when only distutils is available.
* Fix ``==`` comparison when there is a prefix and a local version in play.
(:issue:`41`).
* Implement environment markers from PEP 508.
15.3 - 2015-08-01
~~~~~~~~~~~~~~~~~
* Normalize post-release spellings for rev/r prefixes. :issue:`35`
15.2 - 2015-05-13
~~~~~~~~~~~~~~~~~
* Fix an error where the arbitrary specifier (``===``) was not correctly
allowing pre-releases when it was being used.
* Expose the specifier and version parts through properties on the
``Specifier`` classes.
* Allow iterating over the ``SpecifierSet`` to get access to all of the
``Specifier`` instances.
* Allow testing if a version is contained within a specifier via the ``in``
operator.
15.1 - 2015-04-13
~~~~~~~~~~~~~~~~~
* Fix a logic error that was causing inconsistent answers about whether or not
a pre-release was contained within a ``SpecifierSet`` or not.
15.0 - 2015-01-02
~~~~~~~~~~~~~~~~~
* Add ``Version().is_postrelease`` and ``LegacyVersion().is_postrelease`` to
make it easy to determine if a release is a post release.
* Add ``Version().base_version`` and ``LegacyVersion().base_version`` to make
it easy to get the public version without any pre or post release markers.
* Support the update to PEP 440 which removed the implied ``!=V.*`` when using
either ``>V`` or ``<V`` and which instead special cased the handling of
pre-releases, post-releases, and local versions when using ``>V`` or ``<V``.
14.5 - 2014-12-17
~~~~~~~~~~~~~~~~~
* Normalize release candidates as ``rc`` instead of ``c``.
* Expose the ``VERSION_PATTERN`` constant, a regular expression matching
a valid version.
14.4 - 2014-12-15
~~~~~~~~~~~~~~~~~
* Ensure that versions are normalized before comparison when used in a
specifier with a less than (``<``) or greater than (``>``) operator.
14.3 - 2014-11-19
~~~~~~~~~~~~~~~~~
* **BACKWARDS INCOMPATIBLE** Refactor specifier support so that it can sanely
handle legacy specifiers as well as PEP 440 specifiers.
* **BACKWARDS INCOMPATIBLE** Move the specifier support out of
``packaging.version`` into ``packaging.specifiers``.
14.2 - 2014-09-10
~~~~~~~~~~~~~~~~~
* Add prerelease support to ``Specifier``.
* Remove the ability to do ``item in Specifier()`` and replace it with
``Specifier().contains(item)`` in order to allow flags that signal if a
prerelease should be accepted or not.
* Add a method ``Specifier().filter()`` which will take an iterable and returns
an iterable with items that do not match the specifier filtered out.
14.1 - 2014-09-08
~~~~~~~~~~~~~~~~~
* Allow ``LegacyVersion`` and ``Version`` to be sorted together.
* Add ``packaging.version.parse()`` to enable easily parsing a version string
as either a ``Version`` or a ``LegacyVersion`` depending on it's PEP 440
validity.
14.0 - 2014-09-05
~~~~~~~~~~~~~~~~~
* Initial release.