GavinRay97 edited a comment on issue #12570:
URL: https://github.com/apache/arrow/issues/12570#issuecomment-1059852761
Here is a Node.js script to download from the Nightlies and extract the
assets into Maven repository structure:
```json
{
"name": "arrow-download-nightly-as-maven-repo",
"scripts": {
"start": "node index.mjs"
},
"dependencies": {
"cross-fetch": "^3.1.5",
"jsdom": "^19.0.0"
}
}
```
```js
// index.mjs
// Run with: $ node index.mjs
import fetch from "cross-fetch"
import asyncFS from "fs/promises"
import { JSDOM } from "jsdom"
import path from "path"
import { fileURLToPath } from "url"
// Polyfill "__dirname" for Node.js ECMAScript Module filetype
const __dirname = path.dirname(fileURLToPath(import.meta.url))
const ARROW_NIGHTLY_TAG_URL =
"https://github.com/ursacomputing/crossbow/releases/tag/nightly-2022-03-03-0-github-java-jars";
async function main() {
extractArrowNightlyJarsToLocalM2Repo(ARROW_NIGHTLY_TAG_URL)
}
main().catch((err) => {
console.error(err)
process.exit(1)
})
async function extractArrowNightlyJarsToLocalM2Repo(arrowNightlyTagUrl) {
// Parse HTML to DOM
const dom = await JSDOM.fromURL(arrowNightlyTagUrl)
const document = dom.window.document
// Get all <li> tags containing the asset name and download URL
const assetLinkEls = document.querySelectorAll("li.Box-row")
const assets = []
for (const el of assetLinkEls) {
const anchorTag = el.querySelector("a")
const assetFilename = anchorTag.textContent.trim()
const link = anchorTag.href
if (assetFilename.includes("Source code")) continue
const { library, version } =
getLibraryAndVersionFromAssetFilename(assetFilename)
if (assets[library]) {
assets[library].push({ version, link, assetFilename })
} else {
assets[library] = [{ version, link, assetFilename }]
}
}
for (const [library, versions] of Object.entries(assets)) {
for (const { version, link, assetFilename } of versions) {
const basePath = "org/apache/arrow"
const libPath = `${library}/${version}`
const fullPath = path.join(__dirname, "../", basePath, libPath)
asyncFS.mkdir(fullPath, { recursive: true })
console.log("Downloading " + assetFilename + " to " + fullPath)
await downloadUrlAssetToPath(link, path.join(fullPath,
assetFilename))
}
}
}
async function downloadUrlAssetToPath(url, filepath) {
const request = await fetch(url)
const content = await request.text()
return asyncFS.writeFile(filepath, content)
}
// M2 repo folder format:
// org/apache/arrow/<lib-name>/<version>/<lib-name>-<version>.(ext)
function getLibraryAndVersionFromAssetFilename(filename) {
const libraryAndVersionRegex =
/(?<library>.+)-(?<version>\d\.\d\.\d.dev\d+)/
return filename.match(libraryAndVersionRegex)?.groups
}
```
```sh
user@MSI:~/projects/arrow-download-nightly-as-maven-repo$ tree org/
org/
└── apache
└── arrow
├── arrow-algorithm
│ └── 8.0.0.dev165
│ ├── arrow-algorithm-8.0.0.dev165-javadoc.jar
│ ├── arrow-algorithm-8.0.0.dev165-sources.jar
│ ├── arrow-algorithm-8.0.0.dev165-tests.jar
│ ├── arrow-algorithm-8.0.0.dev165.jar
│ └── arrow-algorithm-8.0.0.dev165.pom
├── arrow-avro
│ └── 8.0.0.dev165
│ ├── arrow-avro-8.0.0.dev165-javadoc.jar
│ ├── arrow-avro-8.0.0.dev165-sources.jar
│ ├── arrow-avro-8.0.0.dev165-tests.jar
│ ├── arrow-avro-8.0.0.dev165.jar
│ └── arrow-avro-8.0.0.dev165.pom
```
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