Core utilities for Python packages
Core utilities for Python packages
If you run into bugs, you can file them in our issue tracker.
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Code of Conduct
Everyone interacting in the packaging project’s codebases, issue trackers, chat rooms, and mailing lists is expected to follow the PyPA Code of Conduct.
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. (#41).
- Implement environment markers from PEP 508.
15.3 - 2015-08-01
- Normalize post-release spellings for rev/r prefixes. #35
15.2 - 2015-05-13
- Fix an error where the arbitary 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.
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