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Support free threaded Python versions like '3.13t' (#973)

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* Support free threaded Python versions like '3.13t'

Python wheels, pyenv, and a number of other tools use 't' in the Python
version number to identify free threaded builds. For example, '3.13t',
'3.14.0a1', '3.14t-dev'.

This PR supports that syntax in `actions/setup-python`, strips the "t",
and adds "-freethreading" to the architecture to select the correct
Python version.

See #771

* Add free threading to advanced usage documentation

* Fix desugaring of `3.13.1t` and add test case.

* Add freethreaded input and fix handling of prerelease versions

* Fix lint

* Add 't' suffix to python-version output

* Use distinct cache key for free threaded Python

* Remove support for syntax like '3.14.0a1'

* Clarify use of 't' suffix

* Improve error message when trying to use free threaded Python versions before 3.13
This commit is contained in:
Sam Gross 2025-03-04 17:49:43 -05:00 • committed by mahabaleshwars
parent 7c16f92757
commit 1080e2bd3d
8 changed files with 226 additions and 35 deletions
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43
__tests__/find-python.test.ts Normal file
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import {desugarVersion, pythonVersionToSemantic} from '../src/find-python';
describe('desugarVersion', () => {
it.each([
['3.13', {version: '3.13', freethreaded: false}],
['3.13t', {version: '3.13', freethreaded: true}],
['3.13.1', {version: '3.13.1', freethreaded: false}],
['3.13.1t', {version: '3.13.1', freethreaded: true}],
['3.14-dev', {version: '~3.14.0-0', freethreaded: false}],
['3.14t-dev', {version: '~3.14.0-0', freethreaded: true}]
])('%s -> %s', (input, expected) => {
expect(desugarVersion(input)).toEqual(expected);
});
});
// Test the combined desugarVersion and pythonVersionToSemantic functions
describe('pythonVersions', () => {
it.each([
['3.13', {version: '3.13', freethreaded: false}],
['3.13t', {version: '3.13', freethreaded: true}],
['3.13.1', {version: '3.13.1', freethreaded: false}],
['3.13.1t', {version: '3.13.1', freethreaded: true}],
['3.14-dev', {version: '~3.14.0-0', freethreaded: false}],
['3.14t-dev', {version: '~3.14.0-0', freethreaded: true}]
])('%s -> %s', (input, expected) => {
const {version, freethreaded} = desugarVersion(input);
const semanticVersionSpec = pythonVersionToSemantic(version, false);
expect({version: semanticVersionSpec, freethreaded}).toEqual(expected);
});
it.each([
['3.13', {version: '~3.13.0-0', freethreaded: false}],
['3.13t', {version: '~3.13.0-0', freethreaded: true}],
['3.13.1', {version: '3.13.1', freethreaded: false}],
['3.13.1t', {version: '3.13.1', freethreaded: true}],
['3.14-dev', {version: '~3.14.0-0', freethreaded: false}],
['3.14t-dev', {version: '~3.14.0-0', freethreaded: true}]
])('%s (allowPreReleases=true) -> %s', (input, expected) => {
const {version, freethreaded} = desugarVersion(input);
const semanticVersionSpec = pythonVersionToSemantic(version, true);
expect({version: semanticVersionSpec, freethreaded}).toEqual(expected);
});
});