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How to use Logger method of rod Package

Best Rod code snippet using rod.Logger

process.go

Source:process.go

1package models2import (3	"github.com/go-rod/rod"4	"github.com/go-rod/rod/lib/devices"5	"github.com/go-rod/rod/lib/input"6	"github.com/go-rod/rod/lib/launcher"7	"time"8)9var (10	ERRORS = 011)12type Scraper struct {13	Browser *rod.Browser14	Page    *rod.Page15}16func (S *Scraper) NewBrowser() *rod.Browser {17	logger.Debug("Initializing scraper")18	url := launcher.New().Headless(false).Delete("use-mock-keychain").MustLaunch()19	S.Browser = rod.New().ControlURL(url).MustConnect()20	return S.Browser21}22func (S *Scraper) NewPage(URL string) *rod.Page {23	logger.Debug("Browsing To website: " + URL)24	S.Page = S.Browser.MustPage(URL)25	S.Page.MustEmulate(devices.Clear)26	return S.Page27}28func (S *Scraper) GetHijacker() *rod.HijackRouter {29	logger.Info("Initializing hijacker")30	router := S.Browser.HijackRequests()31	defer router.MustStop()32	return router33}34func (S *Scraper) ProcessElementsChain(chained ElementsChained) ([]interface{}, error) {35	var result []interface{}36	logger.Info("Processing elements chain")37	for _, element := range chained {38		res, err := S.ProcessElement(element)39		if err != nil {40			logger.Errorf("Error: %v", err)41			return nil, err42		}43		logger.Debugf("Result: %v", res)44		result = append(result, res)45	}46	return result, nil47}48func (S *Scraper) ProcessElement(element WebPageElement) (interface{}, error) {49	var result interface{}50	logger.Infof("Processing element: %v", element.ElementName)51	switch element.Action {52	case "Click":53		elem := S.Page.Timeout(15 * time.Second).MustElementX(element.Xpath)54		elem.ScrollIntoView()55		elem.MustClick()56		logger.Debugf("Clicked: %v", element.ElementName)57	case "SetValue":58		elem, err := S.Page.ElementX(element.Xpath)59		if err != nil {60			logger.Errorf("Error: %v", err)61			return nil, err62		}63		elem.MustInput(element.ActionArg)64		logger.Debugf("Set value: %v", element.ActionArg)65	case "GetText":66		elem, err := S.Page.ElementX(element.Xpath)67		if err != nil {68			logger.Errorf("Error: %v", err)69			return nil, err70		}71		text, err := elem.Text()72		logger.Debugf("Text value: %v", text)73		return text, err74	case "ImageSrc":75		el, err := S.Page.Timeout(3 * time.Second).ElementX(element.Xpath)76		if err != nil {77			logger.Errorf("Error: %v", err)78			// recover from panic79			defer func() {80				if r := recover(); r != nil {81					logger.Errorf("Recover from Error: %v", r)82					S.Page.KeyActions().Press(input.Escape).Release(input.Escape).MustDo()83				}84			}()85			panic(err)86		}87		el.ScrollIntoView()88		value, err := el.Attribute("src")89		logger.Debugf("image: %s \n", *value)90		S.Page.KeyActions().Press(input.Escape).Release(input.Escape).MustDo()91		logger.Debugf("Closed Image: %v", element.ElementName)92		return value, nil93	case "MultiImageSrc":94		el, err := S.Page.Timeout(3 * time.Second).ElementX(element.Xpath)95		if err != nil {96			logger.Errorf("Error: %v", err)97			// recover from panic98			defer func() {99				if r := recover(); r != nil {100					logger.Errorf("Recover from Error: %v", r)101					S.Page.KeyActions().Press(input.Escape).Release(input.Escape).MustDo()102				}103			}()104			panic(err)105		}106		el.ScrollIntoView()107		value, err := el.Attribute("src")108		logger.Debugf("image: %s \n", *value)109		S.Page.KeyActions().Press(input.Escape).Release(input.Escape).MustDo()110		logger.Debugf("Closed Image: %v", element.ElementName)111		return value, nil112	}113	return result, nil114}115func (S *Scraper) ProcessError(xpath string, name string) error {116	logger.Infof("Processing error: %v", name)117	el, err := S.Page.ElementX(xpath)118	if err != nil {119		logger.Errorf("Error: %v", err)120		return err121	}122	text, err := el.Text()123	if err != nil {124		logger.Errorf("Error: %v", err)125		return err126	}127	logger.Debugf("Text: %v", text)128	return nil129}...

storeschecker.go

Source:storeschecker.go

...10	"go.uber.org/zap"11)12type StoresChecker struct {13	config config.RodConfig14	logger *zap.Logger15}16func NewStoresChecker(c config.Config, l *zap.Logger) StoresChecker {17	return StoresChecker{18		config: c.GetRodConfig(),19		logger: l,20	}21}22func (s StoresChecker) CheckStores(storesSlice []stores.Store) []stores.StockCheckResult {23	url, err := s.createControlURL()24	if err != nil {25		s.logger.Error("Failed to create control URL.", zap.Error(err))26		return []stores.StockCheckResult{}27	}28	browser, err := s.createBrowser(url)29	if err != nil {30		s.logger.Error("Failed to create browser.", zap.Error(err))31		return []stores.StockCheckResult{}32	}33	defer func() {34		err := browser.Close()35		if err != nil {36			s.logger.Error("Failed to close browser.", zap.Error(err))37		}38	}()39	pool := rod.NewPagePool(s.config.PagePoolSize)40	defer pool.Cleanup(func(p *rod.Page) {41		err := p.Close()42		if err != nil {43			s.logger.Error("Failed to close page.", zap.Error(err))44		}45	})46	c := make(chan stores.StockCheckResult)47	get := s.createGetPageFunc(browser, pool)48	release := s.createReleasePageFunc(pool)49	for _, s := range storesSlice {50		go func(store stores.Store) {51			c <- store.Check(get, release)52		}(s)53	}54	numOfStores := len(storesSlice)55	results := make([]stores.StockCheckResult, 0, numOfStores)56	for i := 0; i < numOfStores; i++ {57		results = append(results, <-c)58	}59	return results60}61func (s StoresChecker) createControlURL() (string, error) {62	launcher := launcher.New().Set("--no-sandbox")63	launcher.Devtools(s.config.DevTools)64	launcher.Headless(s.config.Headless)65	return launcher.Launch()66}67func (s StoresChecker) createBrowser(url string) (*rod.Browser, error) {68	browser := rod.New().ControlURL(url)69	browser.Logger(newCustomRodLogger(s.logger))70	browser.Trace(s.config.Trace)71	if s.config.SlowMotion {72		browser.SlowMotion(time.Second)73	}74	err := browser.Connect()75	if err != nil {76		return nil, err77	}78	return browser, nil79}80func (s StoresChecker) createGetPageFunc(browser *rod.Browser, pool rod.PagePool) func() *rod.Page {81	create := s.createCreatePageFunc(browser)82	// Gets a page from the pool and configures a timeout for store to perform all operations with it83	return func() *rod.Page {84		// TODO Implement timeout85		return pool.Get(create)86	}87}88func (s StoresChecker) createReleasePageFunc(pool rod.PagePool) func(*rod.Page) {89	return func(page *rod.Page) {90		// TODO Implement cancel timeout91		pool.Put(page)92	}93}94func (s StoresChecker) createCreatePageFunc(browser *rod.Browser) func() *rod.Page {95	// This func will create a new configured page will be contained within a different incognito browser window.96	// It returns nil when an error occurs rather than exposing error due to https://pkg.go.dev/github.com/go-rod/rod#PagePool.Get97	return func() *rod.Page {98		browser, err := browser.Incognito()99		if err != nil {100			s.logger.Error("Failed to create incognito browser.", zap.Error(err))101			return nil102		}103		page, err := bypass.Page(browser)104		if err != nil {105			s.logger.Error("Failed to create page.", zap.Error(err))106			return nil107		}108		return page109	}110}111type customRodLogger struct {112	logger *zap.Logger113}114func newCustomRodLogger(l *zap.Logger) customRodLogger {115	return customRodLogger{116		logger: l,117	}118}119func (c customRodLogger) Println(msg ...interface{}) {120	s := fmt.Sprintln(msg...)121	c.logger.Debug(s)122}...

dev_helpers_test.go

Source:dev_helpers_test.go

...40func TestTrace(t *testing.T) {41	g := setup(t)42	g.Eq(rod.TraceTypeInput.String(), "[input]")43	var msg []interface{}44	g.browser.Logger(utils.Log(func(list ...interface{}) { msg = list }))45	g.browser.Trace(true).SlowMotion(time.Microsecond)46	defer func() {47		g.browser.Logger(rod.DefaultLogger)48		g.browser.Trace(defaults.Trace).SlowMotion(defaults.Slow)49	}()50	p := g.page.MustNavigate(g.srcFile("fixtures/click.html")).MustWaitLoad()51	g.Eq(rod.TraceTypeWait, msg[0])52	g.Eq("load", msg[1])53	g.Eq(p, msg[2])54	el := p.MustElement("button")55	el.MustClick()56	g.Eq(rod.TraceTypeInput, msg[0])57	g.Eq("left click", msg[1])58	g.Eq(el, msg[2])59	g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})60	_ = p.Mouse.Move(10, 10, 1)61}62func TestTraceLogs(t *testing.T) {63	g := setup(t)64	g.browser.Logger(utils.LoggerQuiet)65	g.browser.Trace(true)66	defer func() {67		g.browser.Logger(rod.DefaultLogger)68		g.browser.Trace(defaults.Trace)69	}()70	p := g.page.MustNavigate(g.srcFile("fixtures/click.html"))71	el := p.MustElement("button")72	el.MustClick()73	g.mc.stubErr(1, proto.RuntimeCallFunctionOn{})74	p.Overlay(0, 0, 100, 30, "")75}76func TestExposeHelpers(t *testing.T) {77	g := setup(t)78	p := g.newPage(g.srcFile("fixtures/click.html"))79	p.ExposeHelpers(js.ElementR)80	g.Eq(p.MustElementByJS(`() => rod.elementR('button', 'click me')`).MustText(), "click me")81}...

Logger

Using AI Code Generation

1import (2func main() {3	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4	defer browser.MustClose()5	page.MustElement("input.gLFyf.gsfi").MustInput("rod").MustPress("Enter")6	page.MustElement("a[href='

Logger

Using AI Code Generation

1import (2func main() {3	browser := rod.New().Connect()4	defer browser.Close()5	defer page.Close()6	page.Element("#hplogo").WaitVisible()7	page.Screenshot("screenshot.png")8	page.EnableConsoleLog()9	page.Console().MessageAdded(func(m *proto.ConsoleMessageAdded) {10		println(m.Message.Text)11	})12	page.Eval(`console.log("Hello, World!")`)13}

Logger

Using AI Code Generation

1import (2func main() {3	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4	logger := page.MustLogger()5		fmt.Println("Response:", resp.URL())6	})7		fmt.Println("Request:", req.URL())8	})9	logger.MustConsole(func(msg *rod.Message) {10		fmt.Println("Console:", msg.Text())11	})12	logger.MustError(func(msg *rod.Message) {13		fmt.Println("Error:", msg.Text())14	})15}

Logger

Using AI Code Generation

1import (2func main() {3    browser := rod.New().Connect()4    defer browser.Close()5    title, err := page.Title()6    if err != nil {7        log.Fatal(err)8    }9    log.Println(title)10}

Logger

Using AI Code Generation

1import "github.com/go-rod/rod"2func main() {3}4import "github.com/go-rod/rod"5func main() {6}7import "github.com/go-rod/rod"8func main() {9}10import "github.com/go-rod/rod"11func main() {12}13import "github.com/go-rod/rod"14func main() {15}16import "github.com/go-rod/rod"17func main() {18}19import "github.com/go-rod/rod"20func main() {21}22import "github.com/go-rod/rod"23func main() {24}25import "github.com/go-rod/rod"26func main() {27}28import "github.com/go-rod/rod"29func main() {30}

Logger

Using AI Code Generation

1import (2func main() {3	r := rod.Rod{}4	r.Logger()5}6import (7func main() {8	r := rod.Rod{}9	r.Logger()10}11import (12func main() {13	r := rod.Rod{}14	r.Logger()15}16import (17func main() {18	r := rod.Rod{}19	r.Logger()20}21import (22func main() {23	r := rod.Rod{}24	r.Logger()25}26import (27func main() {28	r := rod.Rod{}29	r.Logger()30}31import (32func main() {33	r := rod.Rod{}34	r.Logger()35}36import (37func main() {

Logger

Using AI Code Generation

1import (2func main() {3rod := log.New(os.Stdout, "Rod: ", log.Lshortfile)4rod.Println("This is a log message")5}6import (7func main() {8rod := log.New(os.Stdout, "Rod: ", log.Lshortfile)9rod.Println("This is a log message")10}11import (12func main() {13rod := log.New(os.Stdout, "Rod: ", log.Lshortfile)14rod.Println("This is a log message")15}16import (17func main() {18rod := log.New(os.Stdout, "Rod: ", log.Lshortfile)19rod.Println("This is a log message")20}21import (22func main() {23rod := log.New(os.Stdout, "Rod: ", log.Lshortfile)

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