aws-cli Bump flit-core from 3.9.0 to 3.12.0

Bumps flit-core from 3.9.0 to 3.12.0.

Changelog

Release history

Version 3.12

Support for license expressions using the AND and OR operators (:ghpull:731).

Recognise __version__: str = "0.1" annotated assignments when finding the version number (:ghpull:728).

Clear error message when referring to a license file in a parent directory, which is not supported (:ghpull:725).

Version 3.11
Support for SPDX license expressions and multiple license files, as detailed in :pep:639::
  license = "BSD-3-Clause"
  license-files = ["LICENSE"]
For now, only a single license identifier is allowed. More complex expressions describing multiple licenses & expressions may be supported in a future version.
The metadata format <https://packaging.python.org/en/latest/specifications/core-metadata/>_ in produced packages is now version 2.4, to support the expanded license information.
Version 3.10.1

The sdist of flit_core now includes the corresponding tests (:ghpull:704). These were missing in 3.10.

Version 3.10

flit publish can now use PyPI tokens stored in keyring (:ghpull:649), either project tokens with a 'username' like :samp:pypi_token:project:{project_name} (use the normalised form of the name <https://packaging.python.org/en/latest/specifications/name-normalization/>_) or user tokens (:samp:pypi_token:user:{username}).

The --python option can now take the path of a virtualenv folder, as an alternative to a Python executable (:ghpull:667).

Flit will work with current development versions of Pythona again (:ghpull:684).

The flit command line package now requires Python 3.8 or above (:ghpulL:660). flit_core still works with Python 3.6 or above.

The metadata in packages now has the names of optional dependency groups ("extras") normalised, complying with version 2.3 of the metadata standard (:ghpull:676, :ghpull:697).

... (truncated)

Commits

1c81417 Merge pull request #737 from pypa/changelog-3.12
d9ce4c6 Bump version: 3.11.0 → 3.12.0
27ea098 Prepare release notes for 3.12
7a6e9b2 Merge pull request #731 from AA-Turner/compound-spdx
0b07d23 Reword error messages
38429c9 Add empty expression test case
4ab2335 Add brackets-only test case
78db7b5 Shorten error messages
20e1729 Handle mixed-case licence operators
9bd1477 Raise error on expressions with no operator
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Jul 30 '25 17:07 dependabot[bot]

Will need flit-core 3.10.0 or newer for support of the upcoming python 3.14. What else is needed here, maybe a changelog and regenerating a few more lock files in requirements/download-deps (comparing to #8527)?

Sep 06 '25 16:09 tkelman

pinging again, I believe this is necessary for #9783

Oct 16 '25 17:10 tkelman