How to use CreateBrowserFetcher method of PuppeteerSharp.Puppeteer class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Puppeteer.CreateBrowserFetcher

FrmMain.cs

Source:FrmMain.cs

...141            }));142            Task.Run(async () =>143            {144                #region æ å¤´æµè§å¨ä¸è½½æ´æ°145                BrowserFetcher browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());146                RevisionInfo revisionInfo = browserFetcher.RevisionInfo(BrowserFetcher.DefaultChromiumRevision);147                if (revisionInfo.Downloaded && revisionInfo.Local)148                {149                    this.Invoke(new Action(() =>150                    {151                        this.rTxt_log.AppendText("æ å¤´æµè§å¨æ£æ¥å®æï¼æ éæ´æ°ï¼ \n");152                    }));153                }154                else155                {156                    this.Invoke(new Action(() =>157                    {158                        this.rTxt_log.AppendText("æ å¤´æµè§å¨æ£æ¥å®æï¼éè¦æ´æ°ï¼ \n");159                        this.rTxt_log.AppendText("æ£å¨æ£æ¥æ´æ°... \n");...

BrowserFetcherTests.cs

Source:BrowserFetcherTests.cs

...23        [PuppeteerTest("launcher.spec.ts", "BrowserFetcher", "should download and extract chrome linux binary")]24        [PuppeteerFact]25        public async Task ShouldDownloadAndExtractLinuxBinary()26        {27            using var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions28            {29                Platform = Platform.Linux,30                Path = _downloadsFolder,31                Host = TestConstants.ServerUrl32            });33            var revisionInfo = browserFetcher.RevisionInfo("123456");34            Server.SetRedirect(revisionInfo.Url.Substring(TestConstants.ServerUrl.Length), "/chromium-linux.zip");35            Assert.False(revisionInfo.Local);36            Assert.Equal(Platform.Linux, revisionInfo.Platform);37            Assert.False(await browserFetcher.CanDownloadAsync("100000"));38            Assert.True(await browserFetcher.CanDownloadAsync("123456"));39            try40            {41                revisionInfo = await browserFetcher.DownloadAsync("123456");42                Assert.True(revisionInfo.Local);43                Assert.Equal("LINUX BINARY\n", File.ReadAllText(revisionInfo.ExecutablePath));44                if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))45                {46#if NETCOREAPP //This will not be run on net4x anyway.47                    Mono.Unix.FileAccessPermissions permissions = ConvertPermissions(LinuxSysCall.ExecutableFilePermissions);48                    Assert.Equal(permissions, UnixFileSystemInfo.GetFileSystemEntry(revisionInfo.ExecutablePath).FileAccessPermissions & permissions);49#endif50                }51                Assert.Equal(new[] { "123456" }, browserFetcher.LocalRevisions());52                browserFetcher.Remove("123456");53                Assert.Empty(browserFetcher.LocalRevisions());54                //Download should return data from a downloaded version55                //This section is not in the Puppeteer test.56                await browserFetcher.DownloadAsync("123456");57                Server.Reset();58                revisionInfo = await browserFetcher.DownloadAsync("123456");59                Assert.True(revisionInfo.Local);60                Assert.Equal("LINUX BINARY\n", File.ReadAllText(revisionInfo.ExecutablePath));61            }62            finally63            {64                EnsureDownloadsFolderIsDeleted();65            }66        }67        [PuppeteerTest("launcher.spec.ts", "BrowserFetcher", "should download and extract firefox linux binary")]68        [PuppeteerFact]69        public async Task ShouldDownloadAndExtractFirefoxLinuxBinary()70        {71            using var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions72            {73                Platform = Platform.Linux,74                Path = _downloadsFolder,75                Host = TestConstants.ServerUrl,76                Product = Product.Firefox77            });78            var expectedVersion = "75.0a1";79            var revisionInfo = browserFetcher.RevisionInfo(expectedVersion);80            Server.SetRedirect(81                revisionInfo.Url.Substring(TestConstants.ServerUrl.Length),82                "/firefox.zip");83            Assert.False(revisionInfo.Local);84            Assert.Equal(Platform.Linux, revisionInfo.Platform);85            Assert.False(await browserFetcher.CanDownloadAsync("100000"));...

Puppeteer.cs

Source:Puppeteer.cs

...68        /// Creates the browser fetcher.69        /// </summary>70        /// <returns>The browser fetcher.</returns>71        /// <param name="options">Options.</param>72        public static BrowserFetcher CreateBrowserFetcher(BrowserFetcherOptions options)73            => new BrowserFetcher(options);74        /// <summary>75        /// Returns a list of devices to be used with <seealso cref="Page.EmulateAsync(DeviceDescriptor)"/>. 76        /// </summary>77        /// <example>78        /// <code>79        ///<![CDATA[80        /// var iPhone = Puppeteer.Devices[DeviceDescriptorName.IPhone6];81        /// using(var page = await browser.NewPageAsync())82        /// {83        ///     await page.EmulateAsync(iPhone);84        ///     await page.goto('https://www.google.com');85        /// }86        /// ]]>...

LoteriaCaixaService.cs

Source:LoteriaCaixaService.cs

...19        {20            IEnumerable<Sorteio> result = null;21            try22            {23                var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());24                var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);25                var optionsLaunch = new LaunchOptions26                {27                    Headless = true,28                    ExecutablePath = revisionInfo.ExecutablePath29                };30                using (var browser = await Puppeteer.LaunchAsync(optionsLaunch))31                using (var page = await browser.NewPageAsync())32                {33                    var pageUrl = _configuration.GetSection(_pageLoteriaCaixaUrl).Value;34                    await page.GoToAsync(pageUrl);35                    var jsSelectAllAnchors = @"() => {36                                                    const table = document.querySelector('table');37                                                    let items = [];...

ChromiumCheck.cs

Source:ChromiumCheck.cs

...17        {18            int progressNumber = 0;19            var rdmNumber = new Random();20            // creates a variable that create a BrowserFetcher, that can be used to fx. install chromium.21            var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());22            // Creates a variable that contains info about the newest chromium version.23            var revisionInfo = await browserFetcher.GetRevisionInfoAsync();24            // Checks if chromium is already installed.25            if (!revisionInfo.Local)26            {27                Console.ForegroundColor = System.ConsoleColor.Yellow;28                Console.WriteLine("Checking for Chromium");29                Thread.Sleep(1000);30                Console.WriteLine("Installing chromium please wait...");31                // Downloads Chromium in the background. Doing this so the progress bar/number can be shown in the console at the same time.32                var bfDownload = browserFetcher.DownloadAsync(BrowserFetcher.DefaultChromiumRevision).ConfigureAwait(true).GetAwaiter();33                // Outputs progress in percentages in console.34                while (progressNumber <= 100)35                {...

InstagramService.cs

Source:InstagramService.cs

...14        {15            IEnumerable<Image> result = null;16            try17            {18                var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());19                var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);20                var optionsLaunch = new LaunchOptions21                {22                    Headless = true,23                    ExecutablePath = revisionInfo.ExecutablePath24                };25                using (var browser = await Puppeteer.LaunchAsync(optionsLaunch))26                using (var page = await browser.NewPageAsync())27                {28                    var profileUrl = $"https://www.instagram.com/{profile}/";29                    await page.GoToAsync(profileUrl);30                    var jsSelectAllAnchors = @"Array.from(document.querySelectorAll('article a')).map(el => {31                                                const url = el.href;32                                                const child = el.firstChild.firstChild.firstChild...

Configuration.cs

Source:Configuration.cs

...22                    Platform = Platform.Linux23                };24                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) options.Platform = Platform.Win64;25                logger.LogInformation("Setting up Puppeteer to use {0} on platform {1} and caching in {2}", options.Product, options.Platform, options.Path);26                var fetcher = Puppeteer.CreateBrowserFetcher(options);27                var currentRevisions = fetcher.LocalRevisions();28                if (currentRevisions.Any())29                {30                    var info = fetcher.GetRevisionInfoAsync().GetAwaiter().GetResult();31                    logger.LogInformation("Found cached Puppeteer {0} in {0}", info.Revision, info.ExecutablePath);32                    if (info.Downloaded) return info;33                }34                logger.LogInformation("Downloading Puppeteer");35                return fetcher.DownloadAsync().GetAwaiter().GetResult();36            });37            services.TryAddScoped<IPdfGenerator, PdfGenerator>();38            return services;39        }40    }...

PdfTestFunction.cs

Source:PdfTestFunction.cs

...15			ILogger log )16		{17			log.LogInformation( $"{nameof( PdfTestFunction )} function processed a request." );18			// TODO: Move browserFetcher to startUp class19			Puppeteer.CreateBrowserFetcher( new BrowserFetcherOptions( ) );20			await new BrowserFetcher( ).DownloadAsync( BrowserFetcher.DefaultRevision );21			log.LogInformation( $"{nameof( PdfTestFunction )} downloaded browser version:{BrowserFetcher.DefaultRevision}." );22			var browser = await Puppeteer.LaunchAsync( new LaunchOptions( ) );23			24			log.LogInformation( $"{nameof( PdfTestFunction )} launched browser." );25			var page = await browser.NewPageAsync( );26			await page.GoToAsync( "https://www.google.com" );27			28			log.LogInformation( $"{nameof( PdfTestFunction )} browser go to page." );29			var testpdf = await page.PdfDataAsync( );30			31			log.LogInformation( $"PDF size {testpdf.Length}" );32			await browser.CloseAsync( );33			return new FileContentResult( testpdf, "application/pdf" );...

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            Run().Wait();9        }10        static async Task Run()11        {12            var fetcher = Puppeteer.CreateBrowserFetcher();13            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);14            Console.WriteLine(revisionInfo.LocalRevision);15        }16    }17}

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.LocalRevision);11        }12    }13}

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.LocalPath);11        }12    }13}14using PuppeteerSharp;15using System;16using System.Threading.Tasks;17{18    {19        static async Task Main(string[] args)20        {21            {22            };23            using (var browser = await Puppeteer.LaunchAsync(options))24            {25                Console.WriteLine("Browser launched");26                var page = await browser.NewPageAsync();27                Console.WriteLine("Page loaded");28                var title = await page.EvaluateExpressionAsync<string>("document.title");29                Console.WriteLine("Page title: " + title);30            }31        }32    }33}34using PuppeteerSharp;35using System;36using System.Threading.Tasks;37{38    {39        static void Main(string[] args)40        {41            {

CreateBrowserFetcher

Using AI Code Generation

1using (var browserFetcher = Puppeteer.CreateBrowserFetcher())2{3    await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);4}5using (var browser = await browserFetcher.LaunchAsync(new LaunchOptions6{7    ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)8}))9{10    var page = await browser.NewPageAsync();11    await page.ScreenshotAsync("screenshot.png");12}13using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions14{15}))16{17    var page = await browser.NewPageAsync();18    await page.ScreenshotAsync("screenshot.png");19}20using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions21{22    ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)23}))24{25    var page = await browser.NewPageAsync();26    await page.ScreenshotAsync("screenshot.png");27}28using (var browser = await Puppet

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2{3    {4        static void Main(string[] args)5        {6            var task = MainAsync(args);7            task.Wait();8        }9        static async Task MainAsync(string[] args)10        {11            var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions12            {13            });14            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);15            Console.WriteLine(revisionInfo.LocalPath);16        }17    }18}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revision = fetcher.RevisionInfo(Downloader.DefaultRevision).Revision;10            fetcher.DownloadAsync(revision).Wait();11            Console.WriteLine("Done");12            Console.ReadKey();13        }14    }15}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync("533271");10            Console.WriteLine(revisionInfo.ExecutablePath);11            Console.ReadLine();12        }13    }14}15using System;16using System.Threading.Tasks;17using PuppeteerSharp;18{19    {20        static async Task Main(string[] args)21        {22            var browser = await Puppeteer.LaunchAsync(new LaunchOptions23            {24            });25            var page = await browser.NewPageAsync();26            await page.ScreenshotAsync("google.png");27            await browser.CloseAsync();28            Console.ReadLine();29        }30    }31}32using System;33using System.Threading.Tasks;34using PuppeteerSharp;35{36    {37        static async Task Main(string[] args)38        {39            var browser = await Puppeteer.LaunchAsync(new LaunchOptions40            {41            });42            var page = await browser.NewPageAsync();43            await page.ScreenshotAsync("google.png");44            await browser.CloseAsync();45            Console.ReadLine();46        }47    }48}49using System;50using System.Threading.Tasks;

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = Puppeteer.CreateBrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10        }11    }12}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = Puppeteer.CreateBrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10        }11    }12}

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