An easy-to-use platform for EEG experimentation in the classroom
updates and rebase
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internals/scripts/InstallPyodide.js
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internals/scripts/InstallPyodide.js
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//mkdir app/utils/pyodide/src
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// mkdir app/utils/pyodide/src
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// && cd app/utils/pyodide/src
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// curl -LJO https://github.com/iodide-project/pyodide/releases/download/0.12.0/pyodide-build-0.12.0.tar.bz2
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// tar xjf pyodide-build-0.12.0.tar.bz2
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// rm pyodide-build-0.12.0.tar.bz2",
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import chalk from "chalk";
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import os from "os";
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import fs from "fs";
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import https from "https";
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import mkdirp from "mkdirp";
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import tar from "tar-fs";
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import url from "url";
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import gunzip from "gunzip-maybe";
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import chalk from 'chalk';
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import fs from 'fs';
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import https from 'https';
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import mkdirp from 'mkdirp';
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import tar from 'tar-fs';
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import url from 'url';
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import bz2 from 'unbzip2-stream';
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const PYODIDE_VERSION = "0.12.0";
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const PYODIDE_VERSION = '0.12.0';
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const TAR_NAME = `pyodide-build-${PYODIDE_VERSION}.tar.bz2`;
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const PYODIDE_DIR = "app/utils/pyodide/src/";
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const TAR_URL = `https://github.com/iodide-project/pyodide/releases/download/${PYODIDE_VERSION}/pyodide-build-${PYODIDE_VERSION}.tar.bz2`;
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const PYODIDE_DIR = 'app/utils/pyodide/src/';
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const writeAndUnzipFile = response => {
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const filePath = `${PYODIDE_DIR}${TAR_NAME}`;
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const writeStream = fs.createWriteStream(filePath);
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response.pipe(writeStream);
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writeStream.on("finish", () => {
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writeStream.on('finish', () => {
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console.log(`${chalk.green.bold(`Unzipping pyodide`)}`);
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const readStream = fs.createReadStream(filePath);
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readStream.pipe(gunzip()).pipe(tar.extract(PYODIDE_DIR));
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try {
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readStream.pipe(bz2()).pipe(tar.extract(PYODIDE_DIR));
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} catch (e) {
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throw new Error('Error in unzip:', e);
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}
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readStream.on("end", () => {
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readStream.on('end', () => {
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console.log(`${chalk.green.bold(`Unzip successful`)}`);
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});
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});
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};
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const downloadFile = response => {
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if (
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response.statusCode > 300 &&
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response.statusCode < 400 &&
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response.headers.location
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) {
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if (url.parse(response.headers.location).hostname) {
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https.get(response.headers.location, writeAndUnzipFile);
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} else {
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https.get(
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url.resolve(url.parse(TAR_URL).hostname, response.headers.location),
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writeAndUnzipFile
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);
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}
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} else {
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writeAndUnzipFile(response);
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}
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};
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(() => {
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if (fs.existsSync(`${PYODIDE_DIR}${TAR_NAME}`)) {
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console.log(
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`${chalk.green.bold(`Pyodide is already present: ${PYODIDE_VERSION}...`)}`
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);
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return;
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}
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console.log(
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`${chalk.green.bold(`Downloading pyodide ${PYODIDE_VERSION}...`)}`
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);
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mkdirp.sync(`app/utils/pyodide/src`);
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https.get(
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`https://github.com/iodide-project/pyodide/releases/download/${PYODIDE_VERSION}/pyodide-build-${PYODIDE_VERSION}.tar.bz2`,
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response => {
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if (
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response.statusCode > 300 &&
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response.statusCode < 400 &&
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response.headers.location
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) {
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if (url.parse(response.headers.location).hostname) {
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https.get(response.headers.location, writeAndUnzipFile);
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} else {
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https.get(
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url.resolve(url.parse(TAR_URL).hostname, response.headers.location),
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writeToFile
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);
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}
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} else {
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writeAndUnzipFile(response);
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}
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}
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);
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https.get(TAR_URL, downloadFile);
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})();
+9
-2
package.json
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package.json
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"test-watch": "yarn test --watch"
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},
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"lint-staged": {
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"*.{js,jsx,ts,tsx}": ["cross-env NODE_ENV=development eslint --cache"],
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"*.{js,jsx,ts,tsx}": [
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"cross-env NODE_ENV=development eslint --cache"
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],
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"{*.json,.{babelrc,eslintrc,prettierrc,stylelintrc}}": [
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"prettier --ignore-path .eslintignore --parser json --write"
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],
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"stylelint --ignore-path .eslintignore --syntax scss --fix",
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"prettier --ignore-path .eslintignore --single-quote --write"
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],
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"*.{html,md,yml}": ["prettier --ignore-path .eslintignore --single-quote --write"]
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"*.{html,md,yml}": [
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"prettier --ignore-path .eslintignore --single-quote --write"
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]
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},
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"build": {
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"productName": "BrainWaves",
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"files": [
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"dist/",
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"node_modules/",
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"assets/",
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"utils/pyodide/utils.py",
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"utils/pyodide/pyimport.py",
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"app.html",
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"main.prod.js",
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"main.prod.js.map",