TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use extract method of imap Package

Best Venom code snippet using imap.extract

map.go

Source:map.go

...70// overwrite if a value with the same primary key existed.71// NOTE: insert an modified existed value with the same address may confuse the index, use Update() to do this.72func (imap *IndexMap[K, V]) Insert(values ...*V) {73	for i := range values {74		old := imap.Get(imap.primaryIndex.extractField(values[i]))75		imap.primaryIndex.insert(values[i])76		for _, index := range imap.indexes {77			if old != nil {78				index.remove(old)79			}80			index.insert(values[i])81		}82	}83}84// An UpdateFn modifies the given value,85// and returns the modified value, they could be the same object,86// true if the object is modified,87// false otherwise88type UpdateFn[V any] func(value *V) (*V, bool)89// Update the value for the given key,90// it removes the old one if exists, and inserts updateFn(old) if modified and not nil.91func (imap *IndexMap[K, V]) Update(key K, updateFn UpdateFn[V]) {92	old := imap.Get(key)93	if old != nil {94		imap.Remove(key)95	}96	new, modified := updateFn(old)97	if modified && new != nil {98		imap.Insert(new)99	}100}101// Update the values for the given index and key,102// it removes the old ones if exist, and inserts updateFn(old) for every old ones if not nil.103// NOTE: the modified values have to be with unique primary key104func (imap *IndexMap[K, V]) UpdateBy(indexName string, key any, updateFn UpdateFn[V]) {105	oldValueSet := imap.getAllBy(indexName, key)106	if len(oldValueSet) == 0 {107		return108	}109	oldValues := oldValueSet.Collect()110	imap.removeValues(oldValues...)111	for _, old := range oldValues {112		new, modified := updateFn(old)113		if modified && new != nil {114			imap.Insert(new)115		}116	}117}118// Remove values into the map,119// also updates the indexes added.120func (imap *IndexMap[K, V]) Remove(keys ...K) {121	for i := range keys {122		elem := imap.primaryIndex.get(keys[i])123		if elem == nil {124			continue125		}126		imap.primaryIndex.remove(keys[i])127		for _, index := range imap.indexes {128			index.remove(elem)129		}130	}131}132// Remove values into the map,133// also updates the indexes added.134func (imap *IndexMap[K, V]) RemoveBy(indexName string, keys ...any) {135	for i := range keys {136		values := imap.getAllBy(indexName, keys[i])137		if values == nil {138			continue139		}140		imap.removeValueSet(values)141	}142}143// Remove all values.144func (imap *IndexMap[K, V]) Clear() {145	for k := range imap.primaryIndex.inner {146		delete(imap.primaryIndex.inner, k)147	}148	for i := range imap.indexes {149		for k := range imap.indexes[i].inner {150			delete(imap.indexes[i].inner, k)151		}152	}153}154// Iterate all the elements,155// stop iteration if fn returns false,156// no any guarantee to the order.157func (imap *IndexMap[K, V]) Range(fn func(key K, value *V) bool) {158	for k, v := range imap.primaryIndex.inner {159		if !fn(k, v) {160			return161		}162	}163}164// Return all the keys and values.165func (imap *IndexMap[K, V]) Collect() ([]K, []*V) {166	var (167		keys   = make([]K, 0, imap.Len())168		values = make([]*V, 0, imap.Len())169	)170	for k, v := range imap.primaryIndex.inner {171		keys = append(keys, k)172		values = append(values, v)173	}174	return keys, values175}176// The number of elements.177func (imap *IndexMap[K, V]) Len() int {178	return len(imap.primaryIndex.inner)179}180func (imap *IndexMap[K, V]) getAllBy(indexName string, key any) container.Set[*V] {181	index, ok := imap.indexes[indexName]182	if !ok {183		return nil184	}185	return index.get(key)186}187// All values must exists188func (imap *IndexMap[K, V]) removeValues(values ...*V) {189	for i := range values {190		imap.Remove(imap.primaryIndex.extractField(values[i]))191	}192}193// All values must exists194func (imap *IndexMap[K, V]) removeValueSet(values container.Set[*V]) {195	for value := range values {196		imap.Remove(imap.primaryIndex.extractField(value))197	}198}...

EmailRetriever.go

Source:EmailRetriever.go

...82		done <- er.imapHandler.FetchEntireMessage(seqset, messages)83	}()84	return done85}86// extractEmailInfo extracts info from Message87func extractEmailInfo(msgObj *imap.Message) EmailInfo {88	section := &imap.BodySectionName{}89	bodyLiteral := msgObj.GetBody(section)90	if bodyLiteral == nil {91		log.Fatal("Server didn't returned message body")92	}93	reader, err := mail.CreateReader(bodyLiteral)94	if err != nil {95		log.Fatal(err)96	}97	var bodyHtml string98	var bodyTextPlain string99	for {100		p, err := reader.NextPart()101		if err == io.EOF {102			break103		} else if err != nil {104			log.Fatal(err)105		}106		switch h := p.Header.(type) {107		case *mail.InlineHeader:108			ct, _, _ := h.ContentType()109			bodyBytes, _ := ioutil.ReadAll(p.Body)110			if ct == "text/html" {111				bodyHtml = string(bodyBytes)112			} else if ct == "text/plain" {113				bodyTextPlain = string(bodyBytes)114			}115		}116	}117	date, _ := reader.Header.Date()118	from, _ := reader.Header.AddressList("From")119	subject, _ := reader.Header.Subject()120	return EmailInfo{121		Date:      date.String(),122		From:      from[0].Address,123		Subject:   subject,124		BodyHtml:  bodyHtml,125		BodyPlain: bodyTextPlain,126	}127}128// Execute return the list of emails, in the given mailbox, that corresponds to the search129func (retriever EmailRetriever) Execute() <-chan *EmailInfo {130	retriever.login()131	// Logout in the end132	defer retriever.logout()133	retriever.selectMailbox()134	if retriever.imapHandler.Mailbox.Messages == 0 {135		log.Println("No messages in the mailbox")136		return nil137	}138	searchIds := retriever.searchItemsId()139	if len(searchIds) == 0 {140		log.Println("No message corresponds to the search")141		return nil142	}143	messageObjectList := make(chan *imap.Message, 10)144	done := retriever.fetchByIds(searchIds, &messageObjectList)145	infoChannel := make(chan *EmailInfo, 10)146	for msgObj := range messageObjectList {147		info := extractEmailInfo(msgObj)148		infoChannel <- &info149	}150	if err := <-done; err != nil {151		log.Fatal(err)152	}153	return infoChannel154}...

fetcher_test.go

Source:fetcher_test.go

...11	}12	t.Parallel()13	t.Run("ExtractField", testExtractField)14}15// testExtractField is a unit test that covers the extractField helper16func testExtractField(t *testing.T) {17	env := &imap.Envelope{}18	address := &imap.Address{19		HostName:    "example.com",20		MailboxName: "john.doe",21	}22	// empty case23	for _, field := range []string{"unknown", "From", "To", "ReplyTo"} {24		if extractField(field, env) != "" {25			t.Fatal("unexpected field value")26		}27	}28	// from case29	env.From = []*imap.Address{address}30	if extractField("From", env) != address.Address() {31		t.Fatal("unexpected field value")32	}33	// to case34	env.To = []*imap.Address{address}35	if extractField("To", env) != address.Address() {36		t.Fatal("unexpected field value")37	}38	// reply-to case39	env.ReplyTo = []*imap.Address{address}40	if extractField("ReplyTo", env) != address.Address() {41		t.Fatal("unexpected field value")42	}43}...

extract

Using AI Code Generation

1import (2func main() {3	c, err := client.DialTLS("imap.gmail.com:993", nil)4	if err != nil {5		log.Fatal(err)6	}7	defer c.Logout()8	if err := c.Login("

extract

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("1.txt")4	if err != nil {5		log.Fatal(err)6	}7	defer f.Close()8	scanner := bufio.NewScanner(f)9	for scanner.Scan() {10		str = scanner.Text()11		data = append(data, str)12	}13	if err := scanner.Err(); err != nil {14		if err != io.EOF {15			log.Fatal(err)16		}17	}18	imap(data)19}20func imap(data []string) {21	for i := 0; i < len(data); i++ {22		if strings.Contains(data[i], "imap") {23			str = strings.Split(data[i], " ")[0]24			imapdata = append(imapdata, str)25		}26	}27	fmt.Println(imapdata)28}

extract

Using AI Code Generation

1import (2func usage() {3	fmt.Fprintf(os.Stderr, "usage: %s [options] [mailbox]\n", os.Args[0])4	flag.PrintDefaults()5	os.Exit(2)6}7func main() {8	var (9		certFile = flag.String("cert", "", "Certificate file")10		keyFile  = flag.String("key", "", "Key file")11	flag.Parse()12	if flag.NArg() < 1 {13		usage()14	}15	mailbox := flag.Arg(0)16	c, err := client.DialTLS("imap.gmail.com:993", nil)17	if err != nil {18		log.Fatal(err)19	}20	log.Println("Connected")21	defer c.Logout()22	if err := c.Login("

extract

Using AI Code Generation

1import (2func main() {3	mail := imap.NewMail("user", "password")4	mail.Connect("imap.gmail.com:993")5	mail.Extract()6	mail.Close()7	fmt.Println("Mail extracted")8}9import (10type Mail struct {11}12func NewMail(user, password string) *Mail {13	return &Mail{User: user, Password: password}14}15func (m *Mail) Connect(server string) {16	c, err := client.DialTLS(server, nil)17	if err != nil {18		panic(err)19	}20	fmt.Println("Connected")21	defer c.Logout()22	if err := c.Login(m.User, m.Password); err != nil {23		panic(err)24	}25	fmt.Println("Logged in")26	mbox, err := c.Select("INBOX", false)27	if err != nil {28		panic(err)29	}30	fmt.Println("Flags for INBOX:", mbox.Flags)31	from := uint32(1)32	if mbox.Messages > 4 {33	}34	seqset := new(imap.SeqSet)35	seqset.AddRange(from, to)36	section := &imap.BodySectionName{}37	items := []imap.FetchItem{section.FetchItem()}38	messages := make(chan *imap.Message, 10)39	done := make(chan error, 1)40	go func() {41		done <- c.Fetch(seqset, items, messages)42	}()43	fmt.Println("Last 4 messages:")44	for msg := range messages {45		fmt.Println("Message UID:", msg.Uid)46		r := msg.GetBody(section)47		if r == nil {48			fmt.Println("Server didn't returned message body")49		}50		mr, err := mail.CreateReader(r)51		if err != nil {52			fmt.Println(err)53		}

extract

Using AI Code Generation

1import (2func main() {3    c, err := client.DialTLS("imap.gmail.com:993", nil)4    if err != nil {5        log.Fatal(err)6    }7    defer c.Logout()8    if err := c.Login("

extract

Using AI Code Generation

1import (2func main() {3	c, err := client.DialTLS("imap.gmail.com:993", nil)4	if err != nil {5		log.Fatal(err)6	}7	if err := c.Login("username", "password"); err != nil {8		log.Fatal(err)9	}10	mbox, err := c.Select("INBOX", false)11	if err != nil {12		log.Fatal(err)13	}14	seqset := new(imap.SeqSet)15	seqset.AddNum(mbox.Messages)16	section := &imap.BodySectionName{}17	items := []imap.FetchItem{section.FetchItem()}18	messages := make(chan *imap.Message, 1)19	go func() {20		if err := c.Fetch(seqset, items, messages); err != nil {21			log.Fatal(err)22		}23	}()24	r := msg.GetBody(section)25	if r == nil {26		log.Fatal("Server didn't returned message body")27	}28	mr, err := ioutil.ReadAll(r)29	if err != nil {30		log.Fatal(err)31	}32	file, err := os.Create("message.txt")33	if err != nil {34		log.Fatal(err)35	}36	defer file.Close()37	w := bufio.NewWriter(file)38	fmt.Fprint(w, string(mr))39	w.Flush()40	c.Logout()41}

extract

Using AI Code Generation

1import (2func main() {3	c, err := client.DialTLS("imap.gmail.com:993", nil)4	if err != nil {5		panic(err)6	}7	defer c.Logout()8	if err := c.Login("

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.