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install-pypy.ts
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install-pypy.ts
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import * as path from 'path';
import * as core from '@actions/core';
import * as tc from '@actions/tool-cache';
import * as semver from 'semver';
import * as httpm from '@actions/http-client';
import * as exec from '@actions/exec';
import * as fs from 'fs';
import {IS_WINDOWS, IPyPyManifestRelease, createSymlinkInFolder} from './utils';
const PYPY_VERSION_FILE = 'PYPY_VERSION';
export async function installPyPy(
pypyVersion: string,
pythonVersion: string,
architecture: string
) {
let downloadDir;
const releases = await getAvailablePyPyVersions();
const releaseData = findRelease(
releases,
pythonVersion,
pypyVersion,
architecture
);
if (!releaseData || !releaseData.foundAsset) {
throw new Error(
`PyPy version ${pythonVersion} (${pypyVersion}) with arch ${architecture} not found`
);
}
const {foundAsset, resolvedPythonVersion, resolvedPyPyVersion} = releaseData;
let downloadUrl = `${foundAsset.download_url}`;
core.info(`Downloading PyPy from "${downloadUrl}" ...`);
const pypyPath = await tc.downloadTool(downloadUrl);
core.info('Extracting downloaded archive...');
if (IS_WINDOWS) {
downloadDir = await tc.extractZip(pypyPath);
} else {
downloadDir = await tc.extractTar(pypyPath, undefined, 'x');
}
// root folder in archive can have unpredictable name so just take the first folder
// downloadDir is unique folder under TEMP and can't contain any other folders
const archiveName = fs.readdirSync(downloadDir)[0];
const toolDir = path.join(downloadDir, archiveName);
let installDir = toolDir;
if (!isNightlyKeyword(resolvedPyPyVersion)) {
installDir = await tc.cacheDir(
toolDir,
'PyPy',
resolvedPythonVersion,
architecture
);
}
writeExactPyPyVersionFile(installDir, resolvedPyPyVersion);
const binaryPath = getPyPyBinaryPath(installDir);
await createPyPySymlink(binaryPath, resolvedPythonVersion);
await installPip(binaryPath);
return {installDir, resolvedPythonVersion, resolvedPyPyVersion};
}
async function getAvailablePyPyVersions() {
const url = 'https://downloads.python.org/pypy/versions.json';
const http: httpm.HttpClient = new httpm.HttpClient('tool-cache');
const response = await http.getJson<IPyPyManifestRelease[]>(url);
if (!response.result) {
throw new Error(
`Unable to retrieve the list of available PyPy versions from '${url}'`
);
}
return response.result;
}
async function createPyPySymlink(
pypyBinaryPath: string,
pythonVersion: string
) {
const version = semver.coerce(pythonVersion)!;
const pythonBinaryPostfix = semver.major(version);
const pypyBinaryPostfix = pythonBinaryPostfix === 2 ? '' : '3';
let binaryExtension = IS_WINDOWS ? '.exe' : '';
core.info('Creating symlinks...');
createSymlinkInFolder(
pypyBinaryPath,
`pypy${pypyBinaryPostfix}${binaryExtension}`,
`python${pythonBinaryPostfix}${binaryExtension}`,
true
);
createSymlinkInFolder(
pypyBinaryPath,
`pypy${pypyBinaryPostfix}${binaryExtension}`,
`python${binaryExtension}`,
true
);
}
async function installPip(pythonLocation: string) {
core.info('Installing and updating pip');
const pythonBinary = path.join(pythonLocation, 'python');
await exec.exec(`${pythonBinary} -m ensurepip`);
// TO-DO should we skip updating of pip ?
await exec.exec(
`${pythonLocation}/python -m pip install --ignore-installed pip`
);
}
function findRelease(
releases: IPyPyManifestRelease[],
pythonVersion: string,
pypyVersion: string,
architecture: string
) {
const filterReleases = releases.filter(item => {
const isPythonVersionSatisfies = semver.satisfies(
semver.coerce(item.python_version)!,
pythonVersion
);
const isPyPyNightly =
isNightlyKeyword(pypyVersion) && isNightlyKeyword(item.pypy_version);
const isPyPyVersionSatisfies =
isPyPyNightly ||
semver.satisfies(pypyVersionToSemantic(item.pypy_version), pypyVersion);
const isArchExists = item.files.some(
file => file.arch === architecture && file.platform === process.platform
);
return isPythonVersionSatisfies && isPyPyVersionSatisfies && isArchExists;
});
if (filterReleases.length === 0) {
return null;
}
const sortedReleases = filterReleases.sort((previous, current) => {
return (
semver.compare(
semver.coerce(pypyVersionToSemantic(current.pypy_version))!,
semver.coerce(pypyVersionToSemantic(previous.pypy_version))!
) ||
semver.compare(
semver.coerce(current.python_version)!,
semver.coerce(previous.python_version)!
)
);
});
const foundRelease = sortedReleases[0];
const foundAsset = foundRelease.files.find(
item => item.arch === architecture && item.platform === process.platform
);
return {
foundAsset,
resolvedPythonVersion: foundRelease.python_version,
resolvedPyPyVersion: foundRelease.pypy_version
};
}
// helper functions
/**
* In tool-cache, we put PyPy to '<toolcache_root>/PyPy/<python_version>/x64'
* There is no easy way to determine what PyPy version is located in specific folder
* 'pypy --version' is not reliable enough since it is not set properly for preview versions
* "7.3.3rc1" is marked as '7.3.3' in 'pypy --version'
* so we put PYPY_VERSION file to PyPy directory when install it to VM and read it when we need to know version
* PYPY_VERSION contains exact version from 'versions.json'
*/
export function readExactPyPyVersion(installDir: string) {
let pypyVersion = '';
let fileVersion = path.join(installDir, PYPY_VERSION_FILE);
if (fs.existsSync(fileVersion)) {
pypyVersion = fs.readFileSync(fileVersion).toString();
core.debug(`Version from ${PYPY_VERSION_FILE} file is ${pypyVersion}`);
}
return pypyVersion;
}
function writeExactPyPyVersionFile(
installDir: string,
resolvedPyPyVersion: string
) {
const pypyFilePath = path.join(installDir, PYPY_VERSION_FILE);
fs.writeFileSync(pypyFilePath, resolvedPyPyVersion);
}
/** Get PyPy binary location from the tool of installation directory
* - On Linux and macOS, the Python interpreter is in 'bin'.
* - On Windows, it is in the installation root.
*/
export function getPyPyBinaryPath(installDir: string) {
const _binDir = path.join(installDir, 'bin');
return IS_WINDOWS ? installDir : _binDir;
}
function isNightlyKeyword(pypyVersion: string) {
return pypyVersion === 'nightly';
}
export function pypyVersionToSemantic(versionSpec: string) {
const prereleaseVersion = /(\d+\.\d+\.\d+)((?:a|b|rc))(\d*)/g;
return versionSpec.replace(prereleaseVersion, '$1-$2.$3');
}