How to use WaitTaskTimeoutException class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.WaitTaskTimeoutException

WeiboFavScrape.cs

Source:WeiboFavScrape.cs

...51                        Visible = true, Timeout = 1500052                    });53                    Log.Logger.Information("User Login Success");54                }55                catch (WaitTaskTimeoutException)56                {57                    Log.Logger.Information("Try Login...");58                    await Login(page);59                }60                while (true)61                {62                    try63                    {64                        url = "https://weibo.com/fav?leftnav=1";65                        await page.GoToAsync(url);66                        Log.Logger.Information("Checking fav Weibo...");67                        await page.WaitForSelectorAsync(".WB_feed_like", new WaitForSelectorOptions {Visible = true});68                        var weibos = await page.QuerySelectorAllAsync(".WB_feed_like");69                        var weiboInfoList = new List<WeiboInfo>();70                        foreach (var element in weibos)71                        {72                            var mid = await element.GetAttributeAsync("mid", page);73                            var ninePicTrigger = await element.QuerySelectorAllAsync(".WB_pic.li_9");74                            if (ninePicTrigger.Any())75                            {76                                await ninePicTrigger[0].ClickAsync();77                                await page.WaitForSelectorAsync($"[mid='{mid}'] .WB_expand_media_box",78                                    new WaitForSelectorOptions {Visible = true});79                            }80                            var html = await page.EvaluateFunctionAsync<string>("(el) => el.innerHTML", element);81                            var urlElement =82                                await element.QuerySelectorAsync(".WB_func li:nth-child(2) a");83                            var imgBoxesElement =84                                await element.QuerySelectorAsync(".WB_media_a[action-data]");85                            weiboInfoList.Add(new WeiboInfo86                            {87                                Id = mid,88                                RawHtml = html,89                                Url = urlElement != null90                                    ? "https://weibo.com" + await urlElement.GetAttributeAsync("href", page)91                                    : "",92                                ImgUrls = (await Task.WhenAll(93                                    PulloutImgList(imgBoxesElement != null94                                            ? await imgBoxesElement.GetAttributeAsync("action-data", page)95                                            : "")96                                        .Select(async d => new Img97                                        {98                                            ImgUrl = $"https://wx1.sinaimg.cn/large/{d}",99                                            ImgPath = await DownloadImg($"https://wx1.sinaimg.cn/large/{d}")100                                        }))).ToList()101                            });102                        }103                        using (var db = new Database())104                        {105                            // ReSharper disable once AccessToDisposedClosure106                            weiboInfoList = weiboInfoList.Where(t => db.WeiboInfo.All(d => t.Id != d.Id)).ToList();107                            await db.WeiboInfo.AddRangeAsync(weiboInfoList);108                            await db.SaveChangesAsync();109                        }110                        File.Delete("screenshot.png");111                        await page.ScreenshotAsync("screenshot.png");112                        Log.Logger.Information($"Find {weiboInfoList.Count} new weibos");113                        if (weiboInfoList.Count > 0)114                            Log.Logger.Information("Passing weibos to telegram bot...");115                        foreach (var weiboInfo in weiboInfoList)116                            WeiboReceived?.Invoke(this, new WeiboEventArgs {WeiboInfo = weiboInfo});117                    }118                    catch (Exception e)119                    {120                        if (e is PuppeteerException)121                            //Log.Fatal(e, "Browser dead");122                            throw;123                        Log.Fatal(e, "Access Weibo failed");124                    }125                    await Task.Delay(TimeSpan.FromMinutes(1));126                }127            }128        }129        private IEnumerable<string> PulloutImgList(string html)130        {131            var listOnlyNinePic = ImgUrlRegex.Matches(html).Select(d => d.Value);132            var allPic = ImgUrlRegexNew.Match(html).Value.Split(',', StringSplitOptions.RemoveEmptyEntries)133                .Select(t => $"{t}.jpg");134            return listOnlyNinePic.Concat(allPic).Distinct();135        }136        private async Task Login(Page page)137        {138            await page.WaitForSelectorAsync("[name=username]", new WaitForSelectorOptions {Visible = true});139            var username = await page.QuerySelectorAsync("[name='username']");140            var password = await page.QuerySelectorAsync("[name='password']");141            var submitBtn = await page.QuerySelectorAsync("div[node-type='normal_form'] a[node-type='submitBtn']");142            await username.ClickAsync();143            await username.FocusAsync();144            // click three times to select all145            await username.ClickAsync(new ClickOptions {ClickCount = 3});146            await username.PressAsync("Backspace");147            await username.TypeAsync(Program.Config["Weibo:Username"]);148            await password.ClickAsync();149            await password.FocusAsync();150            // click three times to select all151            await password.ClickAsync(new ClickOptions {ClickCount = 3});152            await password.PressAsync("Backspace");153            await password.TypeAsync(Program.Config["Weibo:Password"]);154            await submitBtn.ClickAsync();155            while (true)156                try157                {158                    await page.WaitForSelectorAsync(".WB_left_nav", new WaitForSelectorOptions {Visible = true});159                    break;160                }161                catch (WaitTaskTimeoutException)162                {163                    if (await page.QuerySelectorAsync("#dmCheck") == null)164                    {165                        Code = "";166                        File.Delete("verify.png");167                        await page.ScreenshotAsync("verify.png");168                        Console.WriteLine("Please check verify.png for verify code");169                        using (var verifyImgStream = await page.ScreenshotStreamAsync())170                        {171                            VerifyRequested?.Invoke(this, new VerifyEventArgs {VerifyImg = verifyImgStream});172                        }173                        while (string.IsNullOrWhiteSpace(Code))174                        {175                            Log.Logger.Information("Waiting for verify code...");...

PageActor.cs

Source:PageActor.cs

...108                        new WaitForSelectorOptions { Visible = true, Timeout = 30000 }109                    );110                    await acceptCookiesButtonVisible.ClickAsync(new ClickOptions() { Delay = 1000 });111                }112                catch (WaitTaskTimeoutException ex) // Only catches WaitTaskTimeoutException exceptions.113                {114                }115            }116            bool isLoadMoreButtonVisible = await ScrollPageUntilHtmlElementIsVisible(Configuration.XpathForLoadMoreButton);117            if (isLoadMoreButtonVisible)118            {119                bool hasMoreContent = true;120                while (hasMoreContent)121                {122                    try123                    {124                        var loadMoreButton = await Page.WaitForXPathAsync(125                            Configuration.XpathForLoadMoreButton,126                            new WaitForSelectorOptions { Visible = true, Timeout = 30000 }127                        );128                        await loadMoreButton.ClickAsync(new ClickOptions() { Delay = 1000 });129                    }130                    catch (WaitTaskTimeoutException ex) // Only catches WaitTaskTimeoutException exceptions.131                    {132                        hasMoreContent = false;133                    }134                }135            }136            foreach (var xpath in Configuration.AbsoluteXpathsForElementsToEnsureExist)137            {138                bool isElementVisible = await ScrollPageUntilHtmlElementIsVisible(xpath);139                if (isElementVisible == false) // xpathsForDesiredHtmlElements has a treestructure, so we want to break out of the loop as soon as possible when not found.140                {141                    break;142                }143            }144        }145        private async Task<bool> ScrollPageUntilHtmlElementIsVisible(string xpath) // TODO REFACTOR146        {147            if (xpath != null)148            {149                int attempt = 1;150                int attemptLimit = 3; // TODO Should be configurable151                int currentHeight = (int)await Page.EvaluateExpressionAsync("document.body.scrollHeight");152                while (attempt <= attemptLimit)153                {154                    try155                    {156                        await Page.WaitForXPathAsync(157                            xpath,158                            new WaitForSelectorOptions { Visible = true, Timeout = 2500 }159                        );160                        return true;161                    }162                    catch (WaitTaskTimeoutException ex) // Only catches WaitTaskTimeoutException exceptions.163                    {164                        int newHeight = (int)await Page.EvaluateExpressionAsync("document.body.scrollHeight");165                        await Page.EvaluateExpressionAsync("window.scrollBy({top:" + newHeight + ",behavior:'smooth'})"); // To trigger autoload of new content.166                        if (currentHeight == newHeight)167                        {168                            break;169                        }170                        currentHeight = newHeight;171                    }172                    attempt++;173                }174            }175            return false;176        }...

LogsController.cs

Source:LogsController.cs

...164                await page.ClickAsync("button[type='button'][mode='primary']");165            }166            catch (Exception e)167            {168                if (e.GetType().ToString() == "PuppeteerSharp.NavigationException" || e.GetType().ToString() == "PuppeteerSharp.WaitTaskTimeoutException")169                {170                    await page.CloseAsync();171                    await page.DisposeAsync();172                    return null;173                }174                Console.WriteLine(e);175            }176            var element = await page.QuerySelectorAsync("#view-tabs-and-table-container");177            image = await element.ScreenshotDataAsync();178179            await page.CloseAsync();180            await page.DisposeAsync();181182            return image;
...

Get-ScraperMobileVikings.cs

Source:Get-ScraperMobileVikings.cs

...73                        credits = decimal.Parse(creditText, CultureInfo.InvariantCulture.NumberFormat);74                    } else {75                        throw new Exception($"Credits not found ({creditText})");76                    }77                } catch (PuppeteerSharp.WaitTaskTimeoutException) {78                    var creditField = await page.WaitForSelectorAsync(79                        "body > div:nth-child(1) > div:nth-child(3) > div > div > main > div > section > div > section > section");80                    var creditText = await creditField.EvaluateFunctionAsync<string>("e => e.innerText");81                    if (creditText.Contains("Geen\nbelwaarde"))82                        credits = 0m;83                    else84                        throw new Exception($"Credits not found (No credits left?)");85                }8687                // Get points88                System.Threading.Thread.Sleep(3000);89                decimal? points = null;90                if (!DontIncludePoints)91                {
...

BadmintonClient.cs

Source:BadmintonClient.cs

...62            {63                Timeout = 500064            });65        }66        catch (WaitTaskTimeoutException)67        {68            var results =69                await page.EvaluateFunctionAsync<List<BadmintonAvailability>>(InjectionScripts70                    .GetAllBadmintonAvailabilityForPage);71            var selectedAvailability = results.First(x => x.Code == availabilityCode);72            if (selectedAvailability.Status != BadmintonAvailabilityStatus.Current)73                throw new Exception("Court is no longer available");74            // Click on the Register button in the list of available courts75            await page.ClickAsync("#u5200_btnButtonRegister0");76            await page.WaitForSelectorAsync("#u3600_btnSelect0");77        }78        79        await page.ClickAsync("#u3600_btnSelect0");80        81        // Hard timeouts because Loisir website has a very slim window where the button cannot be clicked82        // Which causes Pupperteer to think it has successfully clicked on the button when it didn't83        84        // Click on Cart section finished button85        await page.WaitForSelectorAsync("#u3600_btnCheckout0");86        await page.WaitForTimeoutAsync(1000);87        await page.ClickAsync("#u3600_btnCheckout0");88        89        // Click on the Confirm button90        await page.WaitForSelectorAsync("#u3600_btnCartShoppingCompleteStep");91        await page.WaitForTimeoutAsync(1000);92        await page.ClickAsync("#u3600_btnCartShoppingCompleteStep");93        94        // Accept Terms & services95        await page.WaitForSelectorAsync("#u3600_chkElectronicPaymentCondition");96        await page.WaitForTimeoutAsync(1000);97        await page.ClickAsync("#u3600_chkElectronicPaymentCondition");98        99        // Click on the Confirm button100        await page.WaitForSelectorAsync("#u3600_btnCartPaymentCompleteStep");101        await page.WaitForTimeoutAsync(1000);102        await page.ClickAsync("#u3600_btnCartPaymentCompleteStep");103    }104    105    private async Task Login(Page page, BadmintonCredentials credentials)106    {107        try108        {109            await page.WaitForSelectorAsync("#formpr", new WaitForSelectorOptions110            {111                Timeout = 2000112            });113        } 114        catch (WaitTaskTimeoutException)115        {116            // Sometimes Loisir page does not redirect you to the login page117            // if it doesn't, click on login button manually118            await page.ClickAsync("#u2000_btnSignIn");119            await page.WaitForSelectorAsync("#formpr");120        }121        await page.TypeAsync("input[name=Email]#Email", credentials.Email);122        await page.TypeAsync("input[name=Password]#Password", credentials.Password);123        await page.ClickAsync("input[type=submit].bt-connexion");124        await page.WaitForNavigationAsync(new NavigationOptions125        {126            WaitUntil = new[] { WaitUntilNavigation.DOMContentLoaded },127        });128        ...

GenerateStatic.cs

Source:GenerateStatic.cs

...54                    {55                        Timeout = MyConfig.timeout56                    });57                }58                catch (WaitTaskTimeoutException)59                {60                    PluginHelper.printConsole($"Wait already {MyConfig.timeout} ms. Get html now.");61                }62                string htmlContent = await page.GetContentAsync();63                Directory.CreateDirectory(prerender);64                await WriteTextAsync(prerenderIndex, htmlContent);65            }66            else UseCacheCount++;67            Directory.CreateDirectory(dist);68            if (prerenderIndex != distIndex) File.Copy(prerenderIndex, distIndex, true);69        }70        catch (System.Exception ex)71        {72            if (!string.IsNullOrWhiteSpace(prerenderIndex) && File.Exists(prerenderIndex)) File.Delete(prerenderIndex);...

WaitTaskTimeoutException.cs

Source:WaitTaskTimeoutException.cs

...5    /// <summary>6    /// Timeout exception that might be thrown by <c>WaitFor</c> methods in <see cref="Frame"/>.7    /// </summary>8    [Serializable]9    public class WaitTaskTimeoutException : PuppeteerException10    {11        /// <summary>12        /// Timeout that caused the exception13        /// </summary>14        /// <value>The timeout.</value>15        public int Timeout { get; }16        /// <summary>17        /// Element type the WaitTask was waiting for18        /// </summary>19        /// <value>The element.</value>20        public string ElementType { get; }21        /// <summary>22        /// Initializes a new instance of the <see cref="PuppeteerSharp.WaitTaskTimeoutException"/> class.23        /// </summary>24        public WaitTaskTimeoutException()25        {26        }27        /// <summary>28        /// Initializes a new instance of the <see cref="PuppeteerSharp.WaitTaskTimeoutException"/> class.29        /// </summary>30        /// <param name="message">Message.</param>31        public WaitTaskTimeoutException(string message) : base(message)32        {33        }34        /// <summary>35        /// Initializes a new instance of the <see cref="PuppeteerSharp.WaitTaskTimeoutException"/> class.36        /// </summary>37        /// <param name="timeout">Timeout.</param>38        /// <param name="elementType">Element type.</param>39        public WaitTaskTimeoutException(int timeout, string elementType) :40            base($"waiting for {elementType} failed: timeout {timeout}ms exceeded")41        {42            Timeout = timeout;43            ElementType = elementType;44        }45        /// <summary>46        /// Initializes a new instance of the <see cref="PuppeteerSharp.WaitTaskTimeoutException"/> class.47        /// </summary>48        /// <param name="message">Message.</param>49        /// <param name="innerException">Inner exception.</param>50        public WaitTaskTimeoutException(string message, Exception innerException) : base(message, innerException)51        {52        }53        /// <summary>54        /// Initializes a new instance of the <see cref="PuppeteerSharp.WaitTaskTimeoutException"/> class.55        /// </summary>56        /// <param name="info">Info.</param>57        /// <param name="context">Context.</param>58        protected WaitTaskTimeoutException(SerializationInfo info, StreamingContext context) : base(info, context)59        {60        }61    }62}...

PuppeteerSharpExtension.cs

Source:PuppeteerSharpExtension.cs

...14                    return frame;15                }16                await Task.Delay(1000);17            }18            throw new WaitTaskTimeoutException();19        }20        private static Frame FindFrame(Frame[] list, string[] nameList)21        {22            foreach (var frame in list)23            {24                foreach (var name in nameList)25                {26                    if (frame.Name == name)27                    {28                        return frame;29                    }30                }31            }32            return null;...

WaitTaskTimeoutException

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            var browser = await Puppeteer.LaunchAsync(options);10            var page = await browser.NewPageAsync();11            var waitTask = page.WaitForNavigationAsync();12            {13                await waitTask;14            }15            catch (WaitTaskTimeoutException e)16            {17                Console.WriteLine("Timeout: " + e.Message);18            }19            await browser.CloseAsync();20        }21    }22}

WaitTaskTimeoutException

Using AI Code Generation

1using PuppeteerSharp;2{3    {4        public WaitTaskTimeoutException(string message) : base(message)5        {6        }7    }8}9using PuppeteerSharp;10{11    {12        public WaitTaskTimeoutException(string message) : base(message)13        {14        }15    }16}17using PuppeteerSharp;18{19    {20        public WaitTaskTimeoutException(string message) : base(message)21        {22        }23    }24}25using PuppeteerSharp;26{27    {28        public WaitTaskTimeoutException(string message) : base(message)29        {30        }31    }32}33using PuppeteerSharp;34{35    {36        public WaitTaskTimeoutException(string message) : base(message)37        {38        }39    }40}41using PuppeteerSharp;42{43    {44        public WaitTaskTimeoutException(string message) : base(message)45        {46        }47    }48}49using PuppeteerSharp;50{51    {52        public WaitTaskTimeoutException(string message) : base(message)53        {54        }55    }56}57using PuppeteerSharp;58{59    {

WaitTaskTimeoutException

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",12                Args = new string[] { "--window-size=1920,1080" }13            });14            var page = await browser.NewPageAsync();15            await page.WaitForSelectorAsync("#lst-ib", new WaitForSelectorOptions { Timeout = 3000 });16            await page.TypeAsync("#lst-ib", "puppeteer-sharp");17            await page.WaitForSelectorAsync("input[value='Google Search']", new WaitForSelectorOptions { Timeout = 3000 });18            await page.ClickAsync("input[value='Google Search']");19            await page.WaitForSelectorAsync("div.g h3", new WaitForSelectorOptions { Timeout = 3000 });20            var searchResults = await page.QuerySelectorAllAsync("div.g h3");21            foreach (var searchResult in searchResults)22            {23                Console.WriteLine(await searchResult.EvaluateFunctionAsync<string>("node => node.inne

WaitTaskTimeoutException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12                await page.WaitForSelectorAsync("input[title='Search']");13            }14        }15    }16}17using PuppeteerSharp;18using System;19using System.Threading.Tasks;20{21    {22        static async Task Main(string[] args)23        {24            var options = new LaunchOptions { Headless = false };25            using (var browser = await Puppeteer.LaunchAsync(options))26            using (var page = await browser.NewPageAsync())27            {28                {29                    await page.WaitForSelectorAsync("input[title='Search']");30                }31                catch (WaitTaskTimeoutException ex)32                {33                    Console.WriteLine("Timeout Value: " + ex.Timeout);34                }35            }36        }37    }38}39using PuppeteerSharp;40using System;41using System.Threading.Tasks;42{43    {44        static async Task Main(string[] args)45        {46            var options = new LaunchOptions { Headless = false };47            using (var browser = await Puppeteer.LaunchAsync(options))48            using (var page = await browser.NewPageAsync())49            {50                {51                    await page.WaitForSelectorAsync("input[title='Search']");52                }53                catch (WaitTaskTimeoutException ex)54                {55                    Console.WriteLine("Timeout Value: " + ex.Timeout);56                }57            }58        }59    }60}

WaitTaskTimeoutException

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            {15                await page.WaitForSelectorAsync("input[title='Search']", new WaitForSelectorOptions16                {17                });18            }19            catch (WaitTaskTimeoutException e)20            {21                Console.WriteLine(e.Message);22            }23            await browser.CloseAsync();24        }25    }26}

WaitTaskTimeoutException

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9                await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10                using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))11                using (var page = await browser.NewPageAsync())12                {13                    await page.WaitForSelectorAsync(".gLFyf", new WaitForSelectorOptions { Timeout = 1000 });14                    await page.TypeAsync(".gLFyf", "PuppeteerSharp");15                    await page.WaitForSelectorAsync(".FPdoLc > center > input[name='btnK']", new WaitForSelectorOptions { Timeout = 1000 });16                    await page.ClickAsync(".FPdoLc > center > input[name='btnK']");17                    await page.WaitForSelectorAsync(".g", new WaitForSelectorOptions { Timeout = 1000 });18                }19            }20            catch (WaitTaskTimeoutException)21            {

WaitTaskTimeoutException

Using AI Code Generation

1var browserFetcher = new BrowserFetcher();2await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);3var options = new LaunchOptions { Headless = true };4var browser = await Puppeteer.LaunchAsync(options);5var page = await browser.NewPageAsync();6await page.ScreenshotAsync("google.png");7await browser.CloseAsync();8var browserFetcher = new BrowserFetcher();9await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10var options = new LaunchOptions { Headless = true };11var browser = await Puppeteer.LaunchAsync(options);12var page = await browser.NewPageAsync();13await page.ScreenshotAsync("google.png");14await browser.CloseAsync();

WaitTaskTimeoutException

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });9            var page = await browser.NewPageAsync();10            var searchBox = await page.QuerySelectorAsync("input[name=q]");11            await searchBox.TypeAsync("puppeteer");12            await page.Keyboard.PressAsync("Enter");13            {14                await page.WaitForSelectorAsync("div#result-stats", new WaitForSelectorOptions { Timeout = 1000 });15            }16            catch (WaitTaskTimeoutException)17            {18                Console.WriteLine("Search result not found");19            }20            await browser.CloseAsync();21        }22    }23}

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