How to use Timeout method of rod Package

Best Rod code snippet using rod.Timeout

rod-helper.go

Source:rod-helper.go Github

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...62 page, err := NewPage(browser)63 if err != nil {64 return nil, err65 }66 page = page.Timeout(timeOut)67 nowRetryTimes := 068 for nowRetryTimes <= maxRetryTimes {69 err = rod.Try(func() {70 wait := page.MustWaitNavigation()71 page.MustNavigate(desURL)72 wait()73 })74 if errors.Is(err, context.DeadlineExceeded) {75 // 超时76 return nil, err77 } else if err == nil {78 // 没有问题79 return page, nil80 }81 }82 return nil, err83}84func PageNavigate(page *rod.Page, desURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {85 var err error86 page = page.Timeout(timeOut)87 nowRetryTimes := 088 for nowRetryTimes <= maxRetryTimes {89 err = rod.Try(func() {90 wait := page.MustWaitNavigation()91 page.MustNavigate(desURL)92 wait()93 })94 if errors.Is(err, context.DeadlineExceeded) {95 // 超时96 return nil, err97 } else if err == nil {98 // 没有问题99 return page, nil100 }101 }102 return nil, err103}104/**105 * @Description: 访问目标 Url，返回 page，只是这个 page 有效，如果再次出发其他的事件无效106 * @param desURL 目标 Url107 * @param httpProxyURL http://127.0.0.1:10809108 * @param timeOut 超时时间109 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次110 * @return *rod.Page111 * @return error112 */113func NewBrowserLoadPage(desURL string, httpProxyURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {114 browser, err := NewBrowser(httpProxyURL)115 if err != nil {116 return nil, err117 }118 page, err := browser.Page(proto.TargetCreateTarget{URL: ""})119 if err != nil {120 return nil, err121 }122 page = page.Timeout(timeOut)123 nowRetryTimes := 0124 for nowRetryTimes <= maxRetryTimes {125 err = rod.Try(func() {126 wait := page.MustWaitNavigation()127 page.MustNavigate(desURL)128 wait()129 })130 if errors.Is(err, context.DeadlineExceeded) {131 // 超时132 return nil, err133 } else if err == nil {134 // 没有问题135 return page, nil136 }137 }138 return nil, err139}140/**141 * @Description: 访问目标 Url，返回 page，只是这个 page 有效，如果再次出发其他的事件无效142 * @param desURL 目标 Url143 * @param httpProxyURL http://127.0.0.1:10809144 * @param timeOut 超时时间145 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次146 * @return *rod.Page147 * @return error148 */149func NewBrowserLoadPageFromRemoteDocker(desURL string, httpProxyURL, remoteDockerURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {150 browser, err := NewBrowserFromDocker(httpProxyURL, remoteDockerURL)151 if err != nil {152 return nil, err153 }154 page, err := browser.Page(proto.TargetCreateTarget{URL: ""})155 if err != nil {156 return nil, err157 }158 page = page.Timeout(timeOut)159 nowRetryTimes := 0160 for nowRetryTimes <= maxRetryTimes {161 err = rod.Try(func() {162 wait := page.MustWaitNavigation()163 page.MustNavigate(desURL)164 wait()165 })166 if errors.Is(err, context.DeadlineExceeded) {167 // 超时168 return nil, err169 } else if err == nil {170 // 没有问题171 break172 }173 }174 return page, nil175}176/**177 * @Description: 访问目标 Url，返回 page，只是这个 page 有效，如果再次出发其他的事件无效178 * @param desURL 目标 Url179 * @param httpProxyURL http://127.0.0.1:10809180 * @param timeOut 超时时间181 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次182 * @return *rod.Page183 * @return error184 */185func NewBrowserLoadPageByHijackRequests(desURL string, httpProxyURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {186 var page *rod.Page187 var err error188 // 创建一个 page189 browser := rod.New()190 err = browser.Connect()191 if err != nil {192 return nil, err193 }194 page, err = browser.Page(proto.TargetCreateTarget{URL: ""})195 if err != nil {196 return nil, err197 }198 page = page.Timeout(timeOut)199 // 设置代理200 router := page.HijackRequests()201 defer router.Stop()202 err = rod.Try(func() {203 router.MustAdd("*", func(ctx *rod.Hijack) {204 px, _ := url.Parse(httpProxyURL)205 ctx.LoadResponse(&http.Client{206 Transport: &http.Transport{207 Proxy: http.ProxyURL(px),208 TLSClientConfig: &tls.Config{InsecureSkipVerify: true},209 },210 Timeout: timeOut,211 }, true)212 })213 })214 if err != nil {215 return nil ,err216 }217 go router.Run()218 nowRetryTimes := 0219 for nowRetryTimes <= maxRetryTimes {220 err = rod.Try(func() {221 page.MustNavigate(desURL).MustWaitLoad()222 })223 if errors.Is(err, context.DeadlineExceeded) {224 // 超时...

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rod.go

Source:rod.go Github

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...41 // this ensures that the browser instance is properly killed and cleaned up42 //43 // these timeouts should collectively be less than the timeout we set for the lambda44 const (45 navigateTimeout = 5 * time.Second46 navigationTimeout = 5 * time.Second47 requestIdleTimeout = 10 * time.Second48 htmlTimeout = 5 * time.Second49 )50 err = rod.Try(func() {51 // instantiate the chromium launcher52 launcher := launchInLambda()53 // lambda warm starts reuse environments:54 //55 // we must delete data generated by the browser,56 // otherwise repeated calls to this fn will eat up storage57 // and the lambda will fail58 defer launcher.Cleanup()59 //60 // likewise, browser.close() will leave a zombie process61 // so we must kill the chromium processes completely62 // otherwise memory consumption will be much higher63 defer launcher.Kill()64 u := launcher.MustLaunch()65 // create a browser instance66 browser := rod.New().ControlURL(u).MustConnect()67 // open a page68 page := browser.MustPage()69 // Block loading any resources we don't need in headless70 // https://go-rod.github.io/#/network?id=blocking-certain-resources-from-loading71 router := page.HijackRequests()72 resources := []proto.NetworkResourceType{73 proto.NetworkResourceTypeFont,74 proto.NetworkResourceTypeImage,75 proto.NetworkResourceTypeMedia,76 proto.NetworkResourceTypeStylesheet,77 proto.NetworkResourceTypeWebSocket, // we don't need websockets to fetch html78 }79 router.MustAdd("*", func(ctx *rod.Hijack) {80 if slice.Contains(resources, ctx.Request.Type()) {81 ctx.Response.Fail(proto.NetworkErrorReasonBlockedByClient)82 return83 }84 ctx.ContinueRequest(&proto.FetchContinueRequest{})85 })86 go router.Run()87 // go to the url88 page.Timeout(navigateTimeout).MustNavigate(url)89 // follow any redirects90 // https://github.com/go-rod/rod/issues/640#issuecomment-117194137491 waitNavigation := page.Timeout(navigationTimeout).MustWaitNavigation()92 waitNavigation()93 // wait until requests stop firing so we can get94 // any html rendered by js scripts or iframes95 waitRequestIdle := page.Timeout(requestIdleTimeout).MustWaitRequestIdle()96 waitRequestIdle()97 // return the html98 html = page.Timeout(htmlTimeout).MustElement("html").MustHTML()99 })100 if err != nil {101 return "", err102 }103 return html, nil104}...

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rod_helper.go

Source:rod_helper.go Github

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...50 return nil, 0, "", err51 }52 var e proto.NetworkResponseReceived53 wait := page.WaitEvent(&e)54 page = page.Timeout(timeOut)55 err = rod.Try(func() {56 page.MustNavigate(desURL)57 wait()58 })59 if err != nil {60 if page != nil {61 page.Close()62 }63 return nil, 0, "", err64 }65 // 出去前把 TimeOUt 取消了66 page = page.CancelTimeout()67 Status := e.Response.Status68 ResponseURL := e.Response.URL69 return page, Status, ResponseURL, nil70}71func newPage(browser *rod.Browser) (*rod.Page, error) {72 page, err := browser.Page(proto.TargetCreateTarget{URL: ""})73 if err != nil {74 return nil, err75 }76 return page, err77}...

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Timeout

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Timeout(time.Minute).MustConnect()4 fmt.Println(page.MustInfo().URL)5}6import (7func main() {8 browser := rod.New().Timeout(time.Minute).MustConnect()9 page.MustElement("input").MustInput("rod").MustPress(input.Enter)10 fmt.Println(page.MustElement("h3").MustText())11}12import (13func main() {14 browser := rod.New().Timeout(time.Minute).MustConnect()15 page.MustElement("input").MustInput("rod").MustPress(input.Enter)16 fmt.Println(page.MustElement("h3").MustText())17}18import (19func main() {20 browser := rod.New().Timeout(time.Minute).MustConnect()21 page.MustElement("input").MustInput("rod").MustPress(input.Enter)22 fmt.Println(page.MustElement("h3").MustText())23}24import (25func main() {26 browser := rod.New().Timeout(time.Minute).MustConnect()27 page.MustElement("input").MustInput("rod").MustPress(input.Enter)28 fmt.Println(page.MustElement("h3").MustText())29}30import (31func main() {32 browser := rod.New().Timeout(time.Minute).MustConnect()

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Timeout

Using AI Code Generation

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1import (2func main() {3 c := make(chan int)4 go func() {5 for i := 0; i < 10; i++ {6 }7 }()8 timeout := time.After(2 * time.Second)9 for {10 select {11 fmt.Println(v)12 fmt.Println("timeout")13 }14 }15}16import (17func main() {18 c := make(chan int)19 go func() {20 for i := 0; i < 10; i++ {21 }22 }()23 time.AfterFunc(2*time.Second, func() {24 fmt.Println("timeout")25 })26 for {27 select {28 fmt.Println(v)29 }30 }31}32import (33func main() {34 tick := time.Tick(1 * time.Second)35 for {36 select {37 fmt.Println("tick")38 }39 }40}

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Timeout

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Timeout(time.Second * 10).MustConnect()4 page := browser.MustPage("")5 searchBox := page.MustElement(`input[name="q"]`)6 searchBox.MustInput("golang")7 searchBox.MustPress("Enter")8 page.MustWaitLoad()9 results := page.MustElements(`#search .g`)10 for _, result := range results {11 fmt.Println(result.MustText())12 }13 browser.MustClose()14}

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Timeout

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Timeout(time.Minute).MustConnect()4 text := page.MustElement("h1").MustText()5 fmt.Println(text)6}

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Timeout

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Timeout Example")4 c := make(chan string)5 go func() {6 time.Sleep(2 * time.Second)7 }()8 select {9 fmt.Println(res)10 case <-time.After(1 * time.Second):11 fmt.Println("timeout 1")12 }13 c2 := make(chan string)14 go func() {15 time.Sleep(2 * time.Second)16 }()17 select {18 fmt.Println(res)19 case <-time.After(3 * time.Second):20 fmt.Println("timeout 2")21 }22}23import (24func main() {25 fmt.Println("Tick Example")26 ticker := time.NewTicker(500 * time.Millisecond)27 go func() {28 for t := range ticker.C {29 fmt.Println("Tick at", t)30 }31 }()32 time.Sleep(1600 * time.Millisecond)33 ticker.Stop()34 fmt.Println("Ticker stopped")35}

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