Beer puppeteer

— Use the WkHtmlToImage library for visualization renderingFalse — Use Puppeteer library for visualization renderingcacheConfig v2018.1+Set to True to cache the configuration data in the session. This can increase performance when using extremely large config files. Default value is False.Any in-session operations which modify the configuration will cause erroneous behavior. Such operations include: OnConfigLoadEnd server event, advanced joins, vertical table transformations.Scheduler ServiceseWebReportsScheduler.exe.configmaxPuppeteerPages v2020.1.0+If useWkHtmlToImage v2019.1.5+ is False, Exago will use the Puppeteer rendering library. Puppeteer allots a certain number of “browser pages” for rendering charts in exports. This setting tells Exago the maximum number of pre-allocated browser pages to make available on the server for rendering. A larger number will consume more system resources.Possible values:Default value:4Any valid integer value greater than 0, although no more than 100 is recommended.Example:maxRasterizationsBeforeReset v2021.1.7+If useWkHtmlToImage v2019.1.5+ is False, Exago will use the Puppeteer rendering library. Puppeteer uses “browser pages” for rendering charts in exports. This value sets the number of charts that each page may render before it is released and a new page is generated. Disposing of Puppeteer browser pages frees up memory on the server.Possible values:Default value:1000Any valid integer value greater than 0.Setting this value too high could cause out-of-memory errors. Setting it too low could impact performance as the process must be started and stopped frequently.Examples:maxWaitForPuppeteerResource v2020.1.0+If useWkHtmlToImage v2019.1.5+ is False, Exago will use the Puppeteer rendering library. Puppeteer allots a certain number of “browser pages” for rendering charts in exports. If a page is not available to render a chart,

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V2016.3.7+ the white list located at {schedulerInstallDir}tagwhitelist.jsonuseWkHtmlToImage v2019.1.5+Revert to using the older WkHtmlToImage library for exporting visualizations. Only set to true if you are experiencing an incompatibility with Puppeteer.In v2020.1 this flag has been changed to default to False, as Puppeteer is the default visualization rendering library in that version.Possible values:True — Use the WkHtmlToImage library for visualization renderingFalse — Use Puppeteer library for visualization renderingREST Web Service APIappSettings.configmaxPuppeteerPages v2020.1.0+If useWkHtmlToImage is False, Exago will use the Puppeteer rendering library. Puppeteer allots a certain number of “browser pages” for rendering charts. This setting tells Exago the maximum number of pre-allocated browser pages to make available on the server for rendering.Possible values:Default value:4Any valid integer value greater than 0, although no more than 100 is recommended.maxWaitForPuppeteerResource v2020.1.0+If useWkHtmlToImage is False, Exago will use the Puppeteer rendering library. Puppeteer allots a certain number of “browser pages” for rendering charts. If a page is not available to render a chart, Exago will wait this number of seconds for one to become available.If no Puppeteer browser page becomes available, an “Unable to acquire a browser page. Ran out of time waiting for a resource to become available.” error message will be displayedPossible values:Default value:60Any valid integer value greater than 0, and the value should generally be quite a bit less than the Admin Console > General > Other Settings > Max Report Execution Time (minutes) value. Note though, that maxWaitForPuppeteerResource is in seconds and Max Report Execution Time is in minutes.Example:ExagoRestAdd this key to

Greater than 0, although no more than 100 is recommended.Example:maxRasterizationsBeforeReset v2021.1.7+If useWkHtmlToImage v2019.1.5+ is False, Exago will use the Puppeteer rendering library. Puppeteer uses “browser pages” for rendering charts in exports. This value sets the number of charts that each page may render before it is released and a new page is generated. Disposing of Puppeteer browser pages frees up memory on the server.Possible values:Default value:1000Any valid integer value greater than 0.Setting this value too high could cause out-of-memory errors. Setting it too low could impact performance as the process must be started and stopped frequently.Example:maxWaitForPuppeteerResource v2020.1.0+If useWkHtmlToImage v2019.1.5+ is False, Exago will use the Puppeteer rendering library. Puppeteer allots a certain number of “browser pages” for rendering charts in exports. If a page is not available to render a chart, Exago will wait this number of seconds for one to become available.If no Puppeteer browser page becomes available, an “Unable to acquire a browser page. Ran out of time waiting for a resource to become available.” error message will be displayedPossible values:Default value:60Any valid integer value greater than 0, and the value should generally be quite a bit less than the Admin Console > General > Other Settings > Max Report Execution Time (minutes) value. Note though, that maxWaitForPuppeteerResource is in seconds and Max Report Execution Time is in minutes.Example:SameSiteCookiesMode v2019.1.14+When Exago is accessed from a different origin than the host application and cookies are used to maintain session state, Exago must be accessed via HTTPS. If you cannot

Books_results = []; books_results = await page.evaluate(() => { return Array.from(document.querySelectorAll(".Yr5TG")).map((el) => { return { title: el.querySelector(".DKV0Md")?.textContent, writers: el.querySelector(".N96wpd")?.textContent, description: el.querySelector(".cmlJmd")?.textContent, thumbnail: el.querySelector("img").getAttribute("src"), } }) }); console.log(books_results) await browser.close();};getBooksData();So, we have now understood a basic understanding of Puppeteer JS. Now, let’s discuss its some advantages:Advantages:We can scroll the page in puppeteer js.We can click on elements like buttons and links.We can take screenshots of the web page.We can navigate between the web pages.We can parse Javascript also with the help of Puppeteer JS.Playwright JSPlaywright JS is a test automation framework used by developers around the world to automate web browsers. The same team that worked on Puppeteer JS previously has developed the Playwright JS. You will find the syntax of Playwright JS to be similar to Puppeteer JS, the API method in both cases are also identical, but both languages have some differences. Let’s discuss them:Playwright v/s Puppeteer JS:Playwright supports multiple languages like C#, .NET, Javascript, etc. While the latter only supports Javascript.The Playwright JS is still a new library with limited community support, unlike Puppeteer JS, which has good community support.Playwright supports browsers like Chromium, Firefox, and Webkit, while Puppeteer's main focus is Chrome and Chromium, with limited support for Firefox.Let us take an example of how we can use Playwright JS to scrape Top Stories from Google Search Results. First, install playwright by running the below command in your terminal:npm i playwrightNow, let's create our scraper by launching the chromium browser at our target URL.const browser = await playwright['chromium'].launch({ headless: false, args: ['--no-sandbox']});const context = await browser.newContext();const page = await context.newPage();await page.goto(" explanation:The first step will launch the chromium browser in non-headless mode.The second step creates a new browser context. It won't share cookies/cache with other browser contexts.The third step opens a new tab in the browser.In the

Puppeteer это библиотека Node.js, которая позволяет автоматизировать процессы в Chromium браузере при помощи API высшего уровня посредством Chrome DevTools Protocol. Например, вы можете создать веб-краулеры, которые будут искать и собирать данные, используя Mimic браузер с подмененными отпечатками.Определение порта MultiloginВ Multilogin нужно предопределить порт для использования автоматизации с Puppeteer.Перейдите в папку C:\Users\%username%\.multiloginapp.com и откройте файл app.properties в любом текстовом редакторе.Добавьте в файл следующую строку: multiloginapp.port=[PORT_NUMBER].Номер порта должен находиться в диапазоне от 10000 до 49151.Сохраните файл app.properties.В дальнейшем вы сможете обращаться к Multilogin используя заданный порт.Инструкции для начала работы на различных ОС вы можете найти в нашем руководстве.Как начатьШаг 1Удостоверьтесь в том, что у вас установлен Node.js и пакетный менеджер npm. Вы можете скачать Node.js и npm с официального сайта Node.js (последние версии Node.js уже содержат npm по умолчанию). Вы также можете использовать yarn для управления пакетами Node.js.Выполните следующую команду в терминале, чтобы проверить версию Node.js и npm:nodejs -v || node -v && npm -vШаг 2Создайте новый проект npm в текущей директории:npm init -yЭта команда создаст конфигурационный файл package.json, а параметр -y позволит пропустить вопросы связанные с настройкой проекта и использовать дефолтные значения.Шаг 3Установите Puppeteer-core в директории проекта:npm install [email protected] --saveДля каждой версии Chromium имеется своя версия Puppeteer-core. Вы можете следить за обновлениями браузерного движка Mimic в нашем Журнале изменений. Совместимость версий Puppeteer-core и Chromium можно проверить в Puppeteer документации.Шаг 4Создайте .js файл с вашим скриптом автоматизации. Пожалуйста, используйте следующий код в качестве примера:const puppeteer = require('puppeteer-core');const http = require('http');async function startProfile(){ //Replace profileId value with existing browser profile ID. let profileId = 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'; let mlaPort = 35000; /*Send GET request to start the browser profile by profileId. Returns web socket as response which should be passed to puppeteer.connect*/ http.get(` (resp) => { let data = ''; let ws = ''; //Receive response data by chunks resp.on('data', (chunk) => { data += chunk; }); /*The whole response data has been received. Handling JSON Parse errors, verifying if ws is an object and contains the 'value' parameter.*/ resp.on('end', () => { let ws; try { ws = JSON.parse(data); } catch(err) { console.log(err); } if (typeof ws === 'object' && ws.hasOwnProperty('value')) { console.log(`Browser