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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 GitHub
parent 6ca8e8598f
commit 9e62be81b2
8 changed files with 226 additions and 35 deletions
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61
dist/setup/index.js vendored
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@ -99514,7 +99514,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
});
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.pythonVersionToSemantic = exports.useCpythonVersion = void 0;
exports.pythonVersionToSemantic = exports.desugarVersion = exports.useCpythonVersion = void 0;
const os = __importStar(__nccwpck_require__(857));
const path = __importStar(__nccwpck_require__(6928));
const utils_1 = __nccwpck_require__(1798);
@ -99542,13 +99542,22 @@ function binDir(installDir) {
return path.join(installDir, 'bin');
}
}
function useCpythonVersion(version, architecture, updateEnvironment, checkLatest, allowPreReleases) {
function useCpythonVersion(version, architecture, updateEnvironment, checkLatest, allowPreReleases, freethreaded) {
return __awaiter(this, void 0, void 0, function* () {
var _a;
let manifest = null;
const desugaredVersionSpec = desugarDevVersion(version);
const { version: desugaredVersionSpec, freethreaded: versionFreethreaded } = desugarVersion(version);
let semanticVersionSpec = pythonVersionToSemantic(desugaredVersionSpec, allowPreReleases);
if (versionFreethreaded) {
// Use the freethreaded version if it was specified in the input, e.g., 3.13t
freethreaded = true;
}
core.debug(`Semantic version spec of ${version} is ${semanticVersionSpec}`);
if (freethreaded) {
// Free threaded versions use an architecture suffix like `x64-freethreaded`
core.debug(`Using freethreaded version of ${semanticVersionSpec}`);
architecture += '-freethreaded';
}
if (checkLatest) {
manifest = yield installer.getManifest();
const resolvedVersion = (_a = (yield installer.findReleaseFromManifest(semanticVersionSpec, architecture, manifest))) === null || _a === void 0 ? void 0 : _a.version;
@ -99572,12 +99581,16 @@ function useCpythonVersion(version, architecture, updateEnvironment, checkLatest
}
if (!installDir) {
const osInfo = yield (0, utils_1.getOSInfo)();
throw new Error([
const msg = [
`The version '${version}' with architecture '${architecture}' was not found for ${osInfo
? `${osInfo.osName} ${osInfo.osVersion}`
: 'this operating system'}.`,
`The list of all available versions can be found here: ${installer.MANIFEST_URL}`
].join(os.EOL));
: 'this operating system'}.`
];
if (freethreaded) {
msg.push(`Free threaded versions are only available for Python 3.13.0 and later.`);
}
msg.push(`The list of all available versions can be found here: ${installer.MANIFEST_URL}`);
throw new Error(msg.join(os.EOL));
}
const _binDir = binDir(installDir);
const binaryExtension = utils_1.IS_WINDOWS ? '.exe' : '';
@ -99617,12 +99630,39 @@ function useCpythonVersion(version, architecture, updateEnvironment, checkLatest
// On Linux and macOS, pip will create the --user directory and add it to PATH as needed.
}
const installed = versionFromPath(installDir);
core.setOutput('python-version', installed);
let pythonVersion = installed;
if (freethreaded) {
// Add the freethreaded suffix to the version (e.g., 3.13.1t)
pythonVersion += 't';
}
core.setOutput('python-version', pythonVersion);
core.setOutput('python-path', pythonPath);
return { impl: 'CPython', version: installed };
return { impl: 'CPython', version: pythonVersion };
});
}
exports.useCpythonVersion = useCpythonVersion;
/* Desugar free threaded and dev versions */
function desugarVersion(versionSpec) {
const { version, freethreaded } = desugarFreeThreadedVersion(versionSpec);
return { version: desugarDevVersion(version), freethreaded };
}
exports.desugarVersion = desugarVersion;
/* Identify freethreaded versions like, 3.13t, 3.13.1t, 3.13t-dev.
* Returns the version without the `t` and the architectures suffix, if freethreaded */
function desugarFreeThreadedVersion(versionSpec) {
const majorMinor = /^(\d+\.\d+(\.\d+)?)(t)$/;
if (majorMinor.test(versionSpec)) {
return { version: versionSpec.replace(majorMinor, '$1'), freethreaded: true };
}
const devVersion = /^(\d+\.\d+)(t)(-dev)$/;
if (devVersion.test(versionSpec)) {
return {
version: versionSpec.replace(devVersion, '$1$3'),
freethreaded: true
};
}
return { version: versionSpec, freethreaded: false };
}
/** Convert versions like `3.8-dev` to a version like `~3.8.0-0`. */
function desugarDevVersion(versionSpec) {
const devVersion = /^(\d+)\.(\d+)-dev$/;
@ -100365,6 +100405,7 @@ function run() {
const versions = resolveVersionInput();
const checkLatest = core.getBooleanInput('check-latest');
const allowPreReleases = core.getBooleanInput('allow-prereleases');
const freethreaded = core.getBooleanInput('freethreaded');
if (versions.length) {
let pythonVersion = '';
const arch = core.getInput('architecture') || os.arch();
@ -100385,7 +100426,7 @@ function run() {
if (version.startsWith('2')) {
core.warning('The support for python 2.7 was removed on June 19, 2023. Related issue: https://github.com/actions/setup-python/issues/672');
}
const installed = yield finder.useCpythonVersion(version, arch, updateEnvironment, checkLatest, allowPreReleases);
const installed = yield finder.useCpythonVersion(version, arch, updateEnvironment, checkLatest, allowPreReleases, freethreaded);
pythonVersion = installed.version;
core.info(`Successfully set up ${installed.impl} (${pythonVersion})`);
}