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- Fixed ``wheel pack`` duplicating the ``WHEEL`` contents when the build number has changed (415)
- Fixed parsing of file names containing commas in ``RECORD`` (PR by Hood Chatham)


- Added official Python 3.10 support
- Updated vendored ``packaging`` library to v20.9


- Updated vendored ``packaging`` library to v20.8
- Fixed wheel sdist missing ``LICENSE.txt``
- Don't use default ``macos/arm64`` deployment target in calculating the
platform tag for fat binaries (PR by Ronald Oussoren)


- Fixed ``AssertionError`` when ``MACOSX_DEPLOYMENT_TARGET`` was set to ``11``
(PR by Grzegorz Bokota and François-Xavier Coudert)
- Fixed regression introduced in 0.36.0 on Python 2.7 when a custom generator
name was passed as unicode (Scikit-build)
(``TypeError: 'unicode' does not have the buffer interface``)


- Added official Python 3.9 support
- Updated vendored ``packaging`` library to v20.7
- Switched to always using LF as line separator when generating ``WHEEL`` files
(on Windows, CRLF was being used instead)
- The ABI tag is taken from the sysconfig SOABI value. On PyPy the SOABI value
is ``pypy37-pp73`` which is not compliant with PEP 3149, as it should have
both the API tag and the platform tag. This change future-proofs any change
in PyPy's SOABI tag to make sure only the ABI tag is used by wheel.
- Fixed regression and test for ``bdist_wheel --plat-name``. It was ignored for
C extensions in v0.35, but the regression was not detected by tests.


- Replaced install dependency on ``packaging`` with a vendored copy of its
``tags`` module
- Fixed ``bdist_wheel`` not working on FreeBSD due to mismatching platform tag
name (it was not being converted to lowercase)


- Switched to the packaging_ library for computing wheel tags
- Fixed a resource leak in ```` (PR by Jon Dufresne)

.. _packaging:


- Fixed installation of ``wheel`` from sdist on environments without Unicode
file name support


- Fixed installation of ``wheel`` from sdist which was broken due to a chicken
and egg problem with PEP 517 and setuptools_scm


- Dropped Python 3.4 support
- Added automatic platform tag detection for macOS binary wheels
(PR by Grzegorz Bokota)
- Added the ``--compression=`` option to the ``bdist_wheel`` command
- Fixed PyPy tag generation to work with the updated semantics (328)
- Updated project packaging and testing configuration for :pep:`517`
- Moved the contents of to setup.cfg
- Fixed duplicate RECORD file when using ``wheel pack`` on Windows
- Fixed bdist_wheel failing at cleanup on Windows with a read-only source tree
- Fixed ``wheel pack`` not respecting the existing build tag in ``WHEEL``
- Switched the project to use the "src" layout
- Switched to setuptools_scm_ for versioning

.. _setuptools_scm:


- Fixed regression from 0.33.5 that broke building binary wheels against the
limited ABI
- Fixed egg2wheel compatibility with the future release of Python 3.10
(PR by Anthony Sottile)


- Don't add the ``m`` ABI flag to wheel names on Python 3.8 (PR by rdb)
- Updated ```` to include many previously omitted files in the sdist


- Reverted PR 289 (adding directory entries to the wheel file) due to
incompatibility with ``distlib.wheel``


- Fixed wheel build failures on some systems due to all attributes being
preserved (PR by Matt Wozniski)


- Fixed empty directories missing from the wheel (PR by Jason R. Coombs)


- Fixed the ``--build-number`` option for ``wheel pack`` not being applied


- Added the ``--build-number`` option to the ``wheel pack`` command
- Fixed bad shebangs sneaking into wheels
- Fixed documentation issue with ``wheel pack`` erroneously being called
``wheel repack``
- Fixed filenames with "bad" characters (like commas) not being quoted in
``RECORD`` (PR by Paul Moore)
- Sort requirements extras to ensure deterministic builds
(PR by PoncinMatthieu)
- Forced ``inplace = False`` when building a C extension for the wheel


- Fixed compatibility with Python 2.7.0 – 2.7.3
- Fixed handling of direct URL requirements with markers (PR by Benoit Pierre)


- Fixed build number appearing in the ``.dist-info`` directory name
- Made wheel file name parsing more permissive
- Fixed wrong Python tag in wheels converted from eggs
(PR by John T. Wodder II)


- Fixed ``AttributeError: 'Requirement' object has no attribute 'url'`` on
setuptools/pkg_resources versions older than 18.8 (PR by Benoit Pierre)
- Fixed ``AttributeError: 'module' object has no attribute
'algorithms_available'`` on Python < 2.7.9 (PR by Benoit Pierre)
- Fixed permissions on the generated ``.dist-info/RECORD`` file


- Removed wheel signing and verifying features
- Removed the "wheel install" and "wheel installscripts" commands
- Added the ``wheel pack`` command
- Allowed multiple license files to be specified using the ``license_files``
- Deprecated the ``license_file`` option
- Eliminated duplicate lines from generated requirements in
``.dist-info/METADATA`` (thanks to Wim Glenn for the contribution)
- Fixed handling of direct URL specifiers in requirements
(PR by Benoit Pierre)
- Fixed canonicalization of extras (PR by Benoit Pierre)
- Warn when the deprecated ``[wheel]`` section is used in ``setup.cfg``
(PR by Jon Dufresne)


- Fixed arch as ``None`` when converting eggs to wheels


- Fixed displaying of errors on Python 3
- Fixed single digit versions in wheel files not being properly recognized
- Fixed wrong character encodings being used (instead of UTF-8) to read and
write ``RECORD`` (this sometimes crashed bdist_wheel too)
- Enabled Zip64 support in wheels by default
- Metadata-Version is now 2.1
- Dropped DESCRIPTION.rst and metadata.json from the list of generated files
- Dropped support for the non-standard, undocumented ``provides-extra`` and
``requires-dist`` keywords in setup.cfg metadata
- Deprecated all wheel signing and signature verification commands
- Removed the (already defunct) ``tool`` extras from


- Added py-limited-api {cp32|cp33|cp34|...} flag to produce cpNN.abi3.{arch}
tags on CPython 3.
- Documented the ``license_file`` metadata key
- Improved Python, abi tagging for ``wheel convert``. Thanks Ales Erjavec.
- Fixed ``>`` being prepended to lines starting with "From" in the long
- Added support for specifying a build number (as per PEP 427).
Thanks Ian Cordasco.
- Made the order of files in generated ZIP files deterministic.
Thanks Matthias Bach.
- Made the order of requirements in metadata deterministic. Thanks Chris Lamb.
- Fixed ``wheel install`` clobbering existing files
- Improved the error message when trying to verify an unsigned wheel file
- Removed support for Python 2.6, 3.2 and 3.3.


- Fix compression type of files in archive (Issue 155, Pull Request 62,
thanks Xavier Fernandez)


- Fix file modes in archive (Issue 154)


- Support forcing a platform tag using ``--plat-name`` on pure-Python wheels,
as well as nonstandard platform tags on non-pure wheels (Pull Request 60,
Issue 144, thanks Andrés Díaz)
- Add SOABI tags to platform-specific wheels built for Python 2.X (Pull Request
55, Issue 63, Issue 101)
- Support reproducible wheel files, wheels that can be rebuilt and will hash to
the same values as previous builds (Pull Request 52, Issue 143, thanks
Barry Warsaw)
- Support for changes in keyring >= 8.0 (Pull Request 61, thanks Jason R.
- Use the file context manager when checking if dependency_links.txt is empty,
fixes problems building wheels under PyPy on Windows (Issue 150, thanks
Cosimo Lupo)
- Don't attempt to (recursively) create a build directory ending with ``..``
(invalid on all platforms, but code was only executed on Windows) (Issue 91)
- Added the PyPA Code of Conduct (Pull Request 56)


- Fix multiple entrypoint comparison failure on Python 3 (Issue 148)


- Add Python 3.5 to tox configuration
- Deterministic (sorted) metadata
- Fix tagging for Python 3.5 compatibility
- Support py2-none-'arch' and py3-none-'arch' tags
- Treat data-only wheels as pure
- Write to temporary file and rename when using wheel install --force


- The python tag used for pure-python packages is now .pyN (major version
only). This change actually occurred in 0.23.0 when the --python-tag
option was added, but was not explicitly mentioned in the changelog then.
- wininst2wheel and egg2wheel removed. Use "wheel convert [archive]"
- Wheel now supports setuptools style conditional requirements via the
extras_require={} syntax. Separate 'extra' names from conditions using
the : character. Wheel's own does this. (The empty-string
extra is the same as install_requires.) These conditional requirements
should work the same whether the package is installed by wheel or


- Compatibility tag flags added to the bdist_wheel command
- sdist should include files necessary for tests
- 'wheel convert' can now also convert unpacked eggs to wheel
- Rename pydist.json to metadata.json to avoid stepping on the PEP
- The --skip-scripts option has been removed, and not generating scripts is now
the default. The option was a temporary approach until installers could
generate scripts themselves. That is now the case with pip 1.5 and later.
Note that using pip 1.4 to install a wheel without scripts will leave the
installation without entry-point wrappers. The "wheel install-scripts"
command can be used to generate the scripts in such cases.
- Thank you contributors


- Include entry_points.txt, scripts a.k.a. commands, in experimental
- Improved test_requires parsing
- Python 2.6 fixes, "wheel version" command courtesy pombredanne


- Pregenerated scripts are the default again.
- " bdist_wheel --skip-scripts" turns them off.
- setuptools is no longer a listed requirement for the 'wheel'
package. It is of course still required in order for bdist_wheel
to work.
- "python -m wheel" avoids importing pkg_resources until it's necessary.


- No longer include console_scripts in wheels. Ordinary scripts (shell files,
standalone Python files) are included as usual.
- Include new command "python -m wheel install-scripts [distribution
[distribution ...]]" to install the console_scripts (setuptools-style
scripts using pkg_resources) for a distribution.


- pymeta.json becomes pydist.json


- Python 3 Unicode improvements


- Support latest PEP-426 "pymeta.json" (json-format metadata)


- Python 2.6 compatibility bugfix (thanks John McFarlane)
- Bugfix for C-extension tags for CPython 3.3 (using SOABI)
- Bugfix for bdist_wininst converter "wheel convert"
- Bugfix for dists where "is pure" is None instead of True or False
- Python 3 fix for moving Unicode Description to metadata body
- Include rudimentary API documentation in Sphinx (thanks Kevin Horn)


- Various improvements


- Changed the signature format to better comply with the current JWS spec.
Breaks all existing signatures.
- Include ``wheel unsign`` command to remove RECORD.jws from an archive.
- Put the description in the newly allowed payload section of PKG-INFO
(METADATA) files.


- Use distutils instead of sysconfig to get installation paths; can install
- Improve WheelFile() sort.
- Allow bootstrap installs without any pkg_resources.


- Unit test for wheel.tool.install


- API cleanup


- Scripts fixer fix


- Fix keygen


- Preserve attributes on install.


- Include a copy of pkg_resources. Wheel can now install into a virtualenv
that does not have distribute (though most packages still require
pkg_resources to actually work; wheel install distribute)
- Define a new setup.cfg section [wheel]. universal=1 will
apply the py2.py3-none-any tag for pure python wheels.


- Only import dirspec when needed. dirspec is only needed to find the
configuration for keygen/signing operations.


- requires-dist from setup.cfg overwrites any requirements from
Care must be taken that the requirements are the same in both cases,
or just always install from wheel.
- drop dirspec requirement on win32
- improved command line utility, adds 'wheel convert [egg or wininst]' to
convert legacy binary formats to wheel


- Wheel's own wheel file can be executed by Python, and can install itself:
``python wheel-0.9.5-py27-none-any/wheel install ...``
- Use argparse; basic ``wheel install`` command should run with only stdlib
- Allow requires_dist in setup.cfg's [metadata] section. In addition to
dependencies in, but will only be interpreted when installing
from wheel, not from sdist. Can be qualified with environment markers.


- Fix wheel.signatures in sdist


- Integrated digital signatures support without C extensions.
- Integrated "wheel install" command (single package, no dependency
resolution) including compatibility check.
- Support Python 3.3
- Use Metadata 1.3 (PEP 426)


- Automatic signing if WHEEL_TOOL points to the wheel binary
- Even more Python 3 fixes


- 'wheel sign' uses the keys generated by 'wheel keygen' (instead of generating
a new key at random each time)
- Python 2/3 encoding/decoding fixes
- Run tests on Python 2.6 (without signature verification)


- Updated digital signatures scheme
- Python 3 support for digital signatures
- Always verify RECORD hashes on extract
- "wheel" command line tool to sign, verify, unpack wheel files


- none/any draft pep tags update
- improved wininst2wheel script
- doc changes and other improvements


- sort .dist-info at end of wheel archive
- Windows & Python 3 fixes from Paul Moore
- pep8
- scripts to convert wininst & egg to wheel


- require distribute >= 0.6.28
- stop using verlib


- working pretty well


- hyphenated name fix


- improve test coverage
- improve Windows compatibility
- include tox.ini courtesy of Marc Abramowitz
- draft hmac sha-256 signing function


- prototype egg2wheel conversion script


- Python 3 compatibility


- Initial version