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How to use PuppeteerException method of PuppeteerSharp.PuppeteerException class

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

CDPSession.cs

Source:CDPSession.cs

...107        /// If <c>true</c> the method will return a task to be completed when the message is confirmed by Chromium.108        /// If <c>false</c> the task will be considered complete after sending the message to Chromium.109        /// </param>110        /// <returns>The task.</returns>111        /// <exception cref="PuppeteerSharp.PuppeteerException"></exception>112        public async Task<JObject> SendAsync(string method, object args = null, bool waitForCallback = true)113        {114            if (Connection == null)115            {116                throw new PuppeteerException(117                    $"Protocol error ({method}): Session closed. " +118                    $"Most likely the {TargetType} has been closed." +119                    $"Close reason: {CloseReason}");120            }121            var id = Connection.GetMessageID();122            MessageTask callback = null;123            if (waitForCallback)124            {125                callback = new MessageTask126                {127                    TaskWrapper = new TaskCompletionSource<JObject>(),128                    Method = method129                };130                _callbacks[id] = callback;131            }132            try133            {134                await Connection.RawSendASync(id, method, args, SessionId).ConfigureAwait(false);135            }136            catch (Exception ex)137            {138                if (waitForCallback && _callbacks.TryRemove(id, out _))139                {140                    callback.TaskWrapper.TrySetException(new MessageException(ex.Message, ex));141                }142            }143            return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;144        }145        /// <summary>146        /// Detaches session from target. Once detached, session won't emit any events and can't be used to send messages.147        /// </summary>148        /// <returns></returns>149        /// <exception cref="T:PuppeteerSharp.PuppeteerException"></exception>150        public Task DetachAsync()151        {152            if (Connection == null)153            {154                throw new PuppeteerException($"Session already detached.Most likely the {TargetType} has been closed.");155            }156            return Connection.SendAsync("Target.detachFromTarget", new TargetDetachFromTargetRequest157            {158                SessionId = SessionId159            });160        }161        internal bool HasPendingCallbacks() => _callbacks.Count != 0;162        #endregion163        #region Private Methods164        internal void OnMessage(ConnectionResponse obj)165        {166            var id = obj.Id;167            if (id.HasValue && _callbacks.TryRemove(id.Value, out var callback))168            {...

PuppeteerEngine.cs

Source:PuppeteerEngine.cs

...129                _logger.Debug("Creating IWebBrowser");130                _browserWrapper = new WebBrowser(_browser);131                return _browserWrapper;132            }133            catch (PuppeteerSharp.PuppeteerException ex)134            {135                _logger.Fatal($"Browser communication error. Exception: {ex}");136                return null;137            }138        }139        /// <summary>140        /// Initialize connection to remote browser141        /// </summary>142        /// <returns></returns>143        private async Task<IWebBrowser> ConnectToRemoteBrowser()144        {145            try146            {147                _logger.Debug("Connecting to remote browser");148                _browser = await PuppeteerSharp.Puppeteer.ConnectAsync(new ConnectOptions()149                {150                    BrowserURL = _remoteBrowserAddress.ToString()151                });152                _logger.Debug("Opening new page");153                Page descriptionPage = await _browser.NewPageAsync();154                await descriptionPage.SetContentAsync("<h1>This is a browser of patreon downloader</h1>");155                _logger.Debug("Creating IWebBrowser");156                _browserWrapper = new WebBrowser(_browser);157                return _browserWrapper;158            }159            catch (PuppeteerSharp.PuppeteerException ex)160            {161                _logger.Fatal($"Browser communication error. Exception: {ex}");162                return null;163            }164        }165        public async Task CloseBrowser()166        {167            if (_remoteBrowserAddress != null)168                return;169            if (_browser != null && !_browser.IsClosed)170            {171                await _browser.CloseAsync();172                _browser.Dispose();173                _browser = null;...

RacePageUtils.cs

Source:RacePageUtils.cs

...103                {104                    var value = await Page.EvaluateFunctionAsync<string>("e => e.value", button);105                    if (value != "ÐÐ°, Ð¾Ð¿ÑÐ±Ð»Ð¸ÐºÐ¾Ð²Ð°ÑÑ") continue;106                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);107                    try { await button.ClickAsync(); } catch (PuppeteerException) { }108                }109                    110                buttons = await Page.QuerySelectorAllAsync("button.btn.btn-primary");111                foreach (var button in buttons)112                {113                    var value = await Page.EvaluateFunctionAsync<string>("e => e.innerText", button);114                    if (value != "ÐÐ¿ÑÐ±Ð»Ð¸ÐºÐ¾Ð²Ð°ÑÑ") continue;115                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);116                    try { await button.ClickAsync(); } catch (PuppeteerException) { }117                }118                    119                buttons = await Page.QuerySelectorAllAsync("button.close");120                foreach (var button in buttons)121                {122                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);123                    try { await button.ClickAsync(); } catch (PuppeteerException) { }124                }125            }126        }127    }128}...

Scraper.cs

Source:Scraper.cs

...46                {47                    var page = await y.Target.PageAsync();48                    await page.CloseAsync();49                }50                catch (PuppeteerException) { }51            }52            browser.TargetCreated += Handler;53            return new Disposable(() => browser.TargetCreated -= Handler);54        }55        static async Task<T> RetryAFewTimes<T>(Func<Task<T>> f)56        {57            const int attemptCount = 10;58            for (var i = 0; i < attemptCount; i++)59            {60                try61                {62                    return await f();63                }64                catch (PuppeteerException)65                {66                    if (i == attemptCount - 1) throw;67                    await Task.Delay(6000);68                }69            }70            throw new Exception("WTF");71        }72        public static async Task<List<ProfileInfo>> Scrape(string login, string password)73        {74            using (var browser = await BrowserProvider.PrepareBrowser())75            {76                var pages = await browser.PagesAsync();77                var page = pages.Single();78                page = await SignIn(page, login, password);...

SearchPage.cs

Source:SearchPage.cs

...34                try35                {36                    if (await GetSearchResultCount(page) != null) break;37                }38                catch (PuppeteerException) { }39                await Task.Delay(1000);40            }41        }42        public static async Task WaitForFirstPageLoad(Page page)43        {44            var script = @"document.querySelector(""[src^='/assets/looading-gif']"") == null";45            await page.WaitForExpressionAsync(script);46            await WaitForSearchResultCount(page);47            var count = await GetSearchResultCount(page);48            if (count == 0) return;49            await page.WaitForExpressionAsync("document.querySelector('.lazy-load-image') == null");50        }51        public static async Task<bool> CanGoToNextPage(Page page)52        {53            await WaitForFirstPageLoad(page);54            const string script = @"(() => document.querySelector('.btn.btn-default.btn-lg') !== null )()";55            var result = await page.EvaluateExpressionAsync<bool>(script);56            return result;57        }58        public static async Task GoToNextPage(Page page)59        {60            await page.WaitForSelectorAsync(".btn.btn-default.btn-lg");61            try62            {63                await page.EvaluateExpressionAsync("document.querySelector('.btn.btn-default.btn-lg').click()");64            }65            catch (PuppeteerException) { }66        }67        public static async Task<string[]> GetLinks(Page page)68        {69            var links = await page.EvaluateExpressionAsync<string[]>(70                "(()=>[...document.querySelectorAll('.advanced-search-card.clearfix')].map((x) => x.href))()");71            return links;72        }73    }74}...

PuppeteerException.cs

Source:PuppeteerException.cs

...5    /// <summary>6    /// Base exception used to identify any exception thrown by PuppeteerSharp7    /// </summary>8    [Serializable]9    public class PuppeteerException : Exception10    {11        /// <summary>12        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.13        /// </summary>14        public PuppeteerException()15        {16        }17        /// <summary>18        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.19        /// </summary>20        /// <param name="message">Message.</param>21        public PuppeteerException(string message) : base(message)22        {23        }24        /// <summary>25        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.26        /// </summary>27        /// <param name="message">Message.</param>28        /// <param name="innerException">Inner exception.</param>29        public PuppeteerException(string message, Exception innerException) : base(message, innerException)30        {31        }32        /// <summary>33        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.34        /// </summary>35        /// <param name="info">Info.</param>36        /// <param name="context">Context.</param>37        protected PuppeteerException(SerializationInfo info, StreamingContext context) : base(info, context)38        {39        }40        internal static string RewriteErrorMeesage(string message)41            => message.Contains("Cannot find context with specified id")42                ? "Execution context was destroyed, most likely because of a navigation."43                : message;44    }45}...

UserAgentPatcher.cs

Source:UserAgentPatcher.cs

...18                    if (page == null) return;19                    await InterceptPage(page);20                }21                // Protocol error (Page.createIsolatedWorld): Could not create isolated world22                catch (PuppeteerException) { }23            };24        }25    }26}...

ProfileInfoService.cs

Source:ProfileInfoService.cs

...11            try12            {13                await page.WaitForSelectorAsync("#myChart.chartjs-render-monitor");14            }15            catch (PuppeteerException) { } // there is a rare case when there is no chart16        }17        public static async Task<ProfileInfo> GetInfo(Page page)18        {19            var mainProfileInfo = await ProfilePage.GetMainProfileInfo(page);20            var demographicsInfo = await ProfileDemographicsPage.GetDemographicsInfo(page);21            return new ProfileInfo { MainProfileInfo = mainProfileInfo, DemographicsInfo = demographicsInfo };22        }23    }24}...

PuppeteerException

Using AI Code Generation

1{2    {3        public PuppeteerException(string message) : base(message)4        {5        }6    }7}8using System;9using System.Collections.Generic;10using System.Linq;11using System.Text;12using System.Threading.Tasks;13{14    {15        public PuppeteerException(string message) : base(message)16        {17        }18    }19}20using System;21using System.Collections.Generic;22using System.Linq;23using System.Text;24using System.Threading.Tasks;25{26    {27        public PuppeteerException(string message) : base(message)28        {29        }30    }31}32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37{38    {39        public PuppeteerException(string message) : base(message)40        {41        }42    }43}44using System;45using System.Collections.Generic;46using System.Linq;47using System.Text;48using System.Threading.Tasks;49{50    {51        public PuppeteerException(string message) : base(message)52        {53        }54    }55}56using System;57using System.Collections.Generic;58using System.Linq;59using System.Text;60using System.Threading.Tasks;61{62    {63        public PuppeteerException(string message) : base(message)64        {65        }66    }67}68using System;69using System.Collections.Generic;70using System.Linq;71using System.Text;72using System.Threading.Tasks;73{

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            MainAsync(args).GetAwaiter().GetResult();9        }10        static async Task MainAsync(string[] args)11        {12            {13                await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);14                using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))15                using (var page = await browser.NewPageAsync())16                {17                    await page.ScreenshotAsync("example.png");18                }19            }20            catch (PuppeteerException ex)21            {22                Console.WriteLine("PuppeteerException: " + ex.Message);23            }24            catch (Exception ex)25            {26                Console.WriteLine("Exception: " + ex.Message);27            }28        }29    }30}31PuppeteerSharp.PuppeteerException()32PuppeteerSharp.PuppeteerException(string message)33PuppeteerSharp.PuppeteerException(string message, Exception innerException)34PuppeteerSharp.PuppeteerException(string message, string targetUrl)35PuppeteerSharp.PuppeteerException(string message, string targetUrl, Exception innerException)36PuppeteerSharp.PuppeteerException(string message, string targetUrl, int targetId)37PuppeteerSharp.PuppeteerException(string message, string targetUrl, int targetId, Exception innerException)38PuppeteerSharp.PuppeteerException(string message, string targetUrl, int targetId, string targetSessionId)39PuppeteerSharp.PuppeteerException(string message, string targetUrl, int targetId, string targetSessionId, Exception innerException)40ToString()41GetBaseException()42GetHashCode()43GetType()

PuppeteerException

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5using PuppeteerSharp.Media;6{7    {8        static async Task Main(string[] args)9        {10            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);11            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });12            var page = await browser.NewPageAsync();13            await page.PdfAsync("google.pdf");14            await browser.CloseAsync();15            Console.WriteLine("PDF Created");16        }17    }18}19   at PuppeteerSharp.Connection.SendAsync[T](String method, Object args, Boolean waitForCallback, Boolean ignoreHTTPSErrors, Nullable`1 timeout)20   at PuppeteerSharp.Page.PdfAsync(String path, PdfOptions options)21   at PuppeteerSharpTest.Program.Main(String[] args) in C:\Users\user\source\repos\PuppeteerSharpTest\PuppeteerSharpTest\Program.cs:line 1722projects: '$(System.DefaultWorkingDirectory)/2.csproj'23arguments: '--configuration $(buildConfiguration)'

PuppeteerException

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions() { Headless = false });2var page = await browser.NewPageAsync();3{4}5catch (PuppeteerSharp.PuppeteerException ex)6{7    Console.WriteLine(ex.Message);8}9await browser.CloseAsync();

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