341 lines
10 KiB
ReStructuredText
341 lines
10 KiB
ReStructuredText
Wheel
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=====
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A built-package format for Python.
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A wheel is a ZIP-format archive with a specially formatted filename
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and the .whl extension. It is designed to contain all the files for a
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PEP 376 compatible install in a way that is very close to the on-disk
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format. Many packages will be properly installed with only the "Unpack"
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step (simply extracting the file onto sys.path), and the unpacked archive
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preserves enough information to "Spread" (copy data and scripts to their
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final locations) at any later time.
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The wheel project provides a `bdist_wheel` command for setuptools
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(requires setuptools >= 0.8.0). Wheel files can be installed with a
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newer `pip` from https://github.com/pypa/pip or with wheel's own command
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line utility.
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The wheel documentation is at http://wheel.rtfd.org/. The file format
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is documented in PEP 427 (http://www.python.org/dev/peps/pep-0427/).
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The reference implementation is at https://github.com/pypa/wheel
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Why not egg?
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------------
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Python's egg format predates the packaging related standards we have
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today, the most important being PEP 376 "Database of Installed Python
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Distributions" which specifies the .dist-info directory (instead of
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.egg-info) and PEP 426 "Metadata for Python Software Packages 2.0"
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which specifies how to express dependencies (instead of requires.txt
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in .egg-info).
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Wheel implements these things. It also provides a richer file naming
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convention that communicates the Python implementation and ABI as well
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as simply the language version used in a particular package.
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Unlike .egg, wheel will be a fully-documented standard at the binary
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level that is truly easy to install even if you do not want to use the
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reference implementation.
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Code of Conduct
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---------------
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Everyone interacting in the wheel project's codebases, issue trackers, chat
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rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_.
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.. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/
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0.30.0
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======
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- Added py-limited-api {cp32|cp33|cp34|...} flag to produce cpNN.abi3.{arch}
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tags on CPython 3.
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- Documented the ``license_file`` metadata key
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- Improved Python, abi tagging for `wheel convert`. Thanks Ales Erjavec.
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- Fixed `>` being prepended to lines starting with "From" in the long description
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- Added support for specifying a build number (as per PEP 427).
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Thanks Ian Cordasco.
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- Made the order of files in generated ZIP files deterministic.
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Thanks Matthias Bach.
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- Made the order of requirements in metadata deterministic. Thanks Chris Lamb.
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- Fixed `wheel install` clobbering existing files
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- Improved the error message when trying to verify an unsigned wheel file
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- Removed support for Python 2.6, 3.2 and 3.3.
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0.29.0
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======
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- Fix compression type of files in archive (Issue #155, Pull Request #62,
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thanks Xavier Fernandez)
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0.28.0
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======
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- Fix file modes in archive (Issue #154)
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0.27.0
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======
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- Support forcing a platform tag using `--plat-name` on pure-Python wheels, as
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well as nonstandard platform tags on non-pure wheels (Pull Request #60, Issue
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#144, thanks Andrés Díaz)
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- Add SOABI tags to platform-specific wheels built for Python 2.X (Pull Request
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#55, Issue #63, Issue #101)
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- Support reproducible wheel files, wheels that can be rebuilt and will hash to
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the same values as previous builds (Pull Request #52, Issue #143, thanks
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Barry Warsaw)
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- Support for changes in keyring >= 8.0 (Pull Request #61, thanks Jason R.
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Coombs)
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- Use the file context manager when checking if dependency_links.txt is empty,
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fixes problems building wheels under PyPy on Windows (Issue #150, thanks
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Cosimo Lupo)
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- Don't attempt to (recursively) create a build directory ending with `..`
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(invalid on all platforms, but code was only executed on Windows) (Issue #91)
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- Added the PyPA Code of Conduct (Pull Request #56)
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0.26.0
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======
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- Fix multiple entrypoint comparison failure on Python 3 (Issue #148)
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0.25.0
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======
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- Add Python 3.5 to tox configuration
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- Deterministic (sorted) metadata
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- Fix tagging for Python 3.5 compatibility
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- Support py2-none-'arch' and py3-none-'arch' tags
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- Treat data-only wheels as pure
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- Write to temporary file and rename when using wheel install --force
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0.24.0
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======
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- The python tag used for pure-python packages is now .pyN (major version
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only). This change actually occurred in 0.23.0 when the --python-tag
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option was added, but was not explicitly mentioned in the changelog then.
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- wininst2wheel and egg2wheel removed. Use "wheel convert [archive]"
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instead.
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- Wheel now supports setuptools style conditional requirements via the
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extras_require={} syntax. Separate 'extra' names from conditions using
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the : character. Wheel's own setup.py does this. (The empty-string
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extra is the same as install_requires.) These conditional requirements
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should work the same whether the package is installed by wheel or
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by setup.py.
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0.23.0
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======
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- Compatibility tag flags added to the bdist_wheel command
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- sdist should include files necessary for tests
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- 'wheel convert' can now also convert unpacked eggs to wheel
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- Rename pydist.json to metadata.json to avoid stepping on the PEP
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- The --skip-scripts option has been removed, and not generating scripts is now
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the default. The option was a temporary approach until installers could
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generate scripts themselves. That is now the case with pip 1.5 and later.
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Note that using pip 1.4 to install a wheel without scripts will leave the
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installation without entry-point wrappers. The "wheel install-scripts"
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command can be used to generate the scripts in such cases.
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- Thank you contributors
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0.22.0
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======
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- Include entry_points.txt, scripts a.k.a. commands, in experimental
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pydist.json
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- Improved test_requires parsing
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- Python 2.6 fixes, "wheel version" command courtesy pombredanne
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0.21.0
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======
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- Pregenerated scripts are the default again.
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- "setup.py bdist_wheel --skip-scripts" turns them off.
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- setuptools is no longer a listed requirement for the 'wheel'
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package. It is of course still required in order for bdist_wheel
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to work.
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- "python -m wheel" avoids importing pkg_resources until it's necessary.
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0.20.0
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======
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- No longer include console_scripts in wheels. Ordinary scripts (shell files,
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standalone Python files) are included as usual.
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- Include new command "python -m wheel install-scripts [distribution
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[distribution ...]]" to install the console_scripts (setuptools-style
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scripts using pkg_resources) for a distribution.
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0.19.0
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======
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- pymeta.json becomes pydist.json
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0.18.0
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======
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- Python 3 Unicode improvements
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0.17.0
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======
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- Support latest PEP-426 "pymeta.json" (json-format metadata)
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0.16.0
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======
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- Python 2.6 compatibility bugfix (thanks John McFarlane)
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- Non-prerelease version number
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1.0.0a2
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=======
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- Bugfix for C-extension tags for CPython 3.3 (using SOABI)
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1.0.0a1
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=======
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- Bugfix for bdist_wininst converter "wheel convert"
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- Bugfix for dists where "is pure" is None instead of True or False
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1.0.0a0
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=======
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- Update for version 1.0 of Wheel (PEP accepted).
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- Python 3 fix for moving Unicode Description to metadata body
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- Include rudimentary API documentation in Sphinx (thanks Kevin Horn)
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0.15.0
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======
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- Various improvements
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0.14.0
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======
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- Changed the signature format to better comply with the current JWS spec.
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Breaks all existing signatures.
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- Include ``wheel unsign`` command to remove RECORD.jws from an archive.
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- Put the description in the newly allowed payload section of PKG-INFO
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(METADATA) files.
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0.13.0
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======
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- Use distutils instead of sysconfig to get installation paths; can install
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headers.
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- Improve WheelFile() sort.
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- Allow bootstrap installs without any pkg_resources.
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0.12.0
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======
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- Unit test for wheel.tool.install
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0.11.0
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======
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- API cleanup
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0.10.3
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======
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- Scripts fixer fix
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0.10.2
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======
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- Fix keygen
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0.10.1
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======
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- Preserve attributes on install.
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0.10.0
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======
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- Include a copy of pkg_resources. Wheel can now install into a virtualenv
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that does not have distribute (though most packages still require
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pkg_resources to actually work; wheel install distribute)
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- Define a new setup.cfg section [wheel]. universal=1 will
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apply the py2.py3-none-any tag for pure python wheels.
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0.9.7
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=====
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- Only import dirspec when needed. dirspec is only needed to find the
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configuration for keygen/signing operations.
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0.9.6
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=====
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- requires-dist from setup.cfg overwrites any requirements from setup.py
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Care must be taken that the requirements are the same in both cases,
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or just always install from wheel.
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- drop dirspec requirement on win32
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- improved command line utility, adds 'wheel convert [egg or wininst]' to
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convert legacy binary formats to wheel
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0.9.5
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=====
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- Wheel's own wheel file can be executed by Python, and can install itself:
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``python wheel-0.9.5-py27-none-any/wheel install ...``
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- Use argparse; basic ``wheel install`` command should run with only stdlib
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dependencies.
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- Allow requires_dist in setup.cfg's [metadata] section. In addition to
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dependencies in setup.py, but will only be interpreted when installing
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from wheel, not from sdist. Can be qualified with environment markers.
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0.9.4
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=====
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- Fix wheel.signatures in sdist
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0.9.3
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=====
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- Integrated digital signatures support without C extensions.
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- Integrated "wheel install" command (single package, no dependency
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resolution) including compatibility check.
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- Support Python 3.3
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- Use Metadata 1.3 (PEP 426)
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0.9.2
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=====
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- Automatic signing if WHEEL_TOOL points to the wheel binary
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- Even more Python 3 fixes
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0.9.1
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=====
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- 'wheel sign' uses the keys generated by 'wheel keygen' (instead of generating
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a new key at random each time)
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- Python 2/3 encoding/decoding fixes
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- Run tests on Python 2.6 (without signature verification)
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0.9
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===
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- Updated digital signatures scheme
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- Python 3 support for digital signatures
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- Always verify RECORD hashes on extract
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- "wheel" command line tool to sign, verify, unpack wheel files
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0.8
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===
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- none/any draft pep tags update
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- improved wininst2wheel script
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- doc changes and other improvements
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0.7
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===
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- sort .dist-info at end of wheel archive
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- Windows & Python 3 fixes from Paul Moore
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- pep8
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- scripts to convert wininst & egg to wheel
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0.6
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===
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- require distribute >= 0.6.28
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- stop using verlib
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0.5
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===
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- working pretty well
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0.4.2
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=====
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- hyphenated name fix
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0.4
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===
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- improve test coverage
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- improve Windows compatibility
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- include tox.ini courtesy of Marc Abramowitz
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- draft hmac sha-256 signing function
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0.3
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===
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- prototype egg2wheel conversion script
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0.2
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===
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- Python 3 compatibility
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0.1
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===
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- Initial version
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