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Signed-off-by: Abhishek Kumar <[email protected]>
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{ | ||
"timeout": 60, | ||
"memory": 256, | ||
"languages": ["nodejs"] | ||
} | ||
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import os | ||
import glob | ||
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def buckets_count(): | ||
return (1, 1) # One input bucket, one output bucket | ||
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def generate_input(data_dir, size, benchmarks_bucket, input_paths, output_paths, upload_func): | ||
# The HTML file and the images directory | ||
input_file_path = os.path.join(data_dir, 'template', 'demo.html') | ||
images_dir = os.path.join(data_dir, 'template', 'images') # Directory path | ||
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# Initialize input_config with 'object' and 'bucket' fields | ||
input_config = {'object': {}, 'bucket': {}} | ||
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# Upload the HTML file to the input bucket | ||
upload_func(0, "demo.html", input_file_path) | ||
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# Prepare the bucket configuration | ||
input_config['bucket']['bucket'] = benchmarks_bucket | ||
input_config['bucket']['input'] = input_paths[0] | ||
input_config['bucket']['output'] = output_paths[0] | ||
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# Upload each image in the images directory to the input bucket | ||
for file in glob.glob(os.path.join(images_dir, '*.png')): | ||
img = os.path.relpath(file, data_dir) | ||
upload_func(0, img, file) | ||
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# Store the list of image file configurations in 'object' | ||
input_config['object']['key'] = "images/" | ||
input_config['object']['input_file'] = 'demo.html' | ||
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return input_config |
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benchmarks/300.utilities/321.pdf-generator/nodejs/function.js
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const puppeteer = require('puppeteer-core'); | ||
const path = require('path'); | ||
const fs = require('fs'); | ||
const { PassThrough } = require('stream'); | ||
const storage = require('./storage'); | ||
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let storage_handler = new storage.storage(); | ||
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const browserPath = path.join(__dirname, 'chromium/chrome-linux64/chrome'); | ||
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exports.handler = async function(event) { | ||
const bucket = event.bucket.bucket; | ||
const input_prefix = event.bucket.input; | ||
const output_prefix = event.bucket.output; | ||
const input_file = event.object.input_file; | ||
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// Create a read stream for the input HTML file | ||
let readStreamPromise = storage_handler.downloadStream(bucket, path.join(input_prefix, input_file)); | ||
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// Create a PassThrough stream to pipe the HTML content into Puppeteer | ||
const htmlStream = new PassThrough(); | ||
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// Create a write stream for the output PDF file | ||
let [writeStream, promise, uploadName] = storage_handler.uploadStream(bucket, path.join(output_prefix, 'output.pdf')); | ||
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try { | ||
// Download the HTML file from storage | ||
const inputStream = await readStreamPromise; | ||
inputStream.pipe(htmlStream); | ||
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// Launch Puppeteer and generate the PDF | ||
const browser = await puppeteer.launch({ executablePath: browserPath }); | ||
const page = await browser.newPage(); | ||
await page.setContent(await streamToString(htmlStream), { waitUntil: 'networkidle0' }); | ||
const pdfBuffer = await page.pdf({ format: 'A4' }); | ||
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// Close Puppeteer | ||
await browser.close(); | ||
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// Pipe the PDF buffer into the write stream | ||
writeStream.write(pdfBuffer); | ||
writeStream.end(); | ||
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// Wait for upload to complete | ||
await promise; | ||
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return { bucket: output_prefix, key: uploadName }; | ||
} catch (error) { | ||
console.error('Error generating PDF:', error); | ||
throw error; | ||
} | ||
}; | ||
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// Utility function to convert a stream to a string | ||
function streamToString(stream) { | ||
return new Promise((resolve, reject) => { | ||
const chunks = []; | ||
stream.on('data', chunk => chunks.push(chunk)); | ||
stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8'))); | ||
stream.on('error', reject); | ||
}); | ||
} |
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#!/bin/bash | ||
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DIR=$1 | ||
VERBOSE=$2 | ||
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CHROMIUM_URL="https://storage.googleapis.com/chrome-for-testing-public/127.0.6533.88/linux64/chrome-linux64.zip" | ||
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# Define the script directory and the download path | ||
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )" | ||
DOWNLOAD_DIR="${DIR}/chromium" | ||
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# Create the target directory if it doesn't exist | ||
mkdir -p "$DOWNLOAD_DIR" | ||
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# Download Chromium | ||
curl -o "${DOWNLOAD_DIR}/chrome-linux.zip" "$CHROMIUM_URL" | ||
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# Extract the downloaded zip file | ||
unzip -q "${DOWNLOAD_DIR}/chrome-linux.zip" -d "$DOWNLOAD_DIR" | ||
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# Clean up the downloaded zip file | ||
rm "${DOWNLOAD_DIR}/chrome-linux.zip" | ||
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# Move the extracted files to the final directory | ||
mv "${DOWNLOAD_DIR}/chrome-linux"/* "${DOWNLOAD_DIR}/" | ||
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# Remove the empty directory | ||
rmdir "${DOWNLOAD_DIR}/chrome-linux" | ||
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benchmarks/300.utilities/321.pdf-generator/nodejs/package.json
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{ | ||
"name": "pdf-generator", | ||
"version": "1.0.0", | ||
"description": "PDF Generator Benchmark using Puppeteer", | ||
"dependencies": { | ||
"puppeteer-core": "^22.15.0" | ||
} | ||
} |