How to use JSONUnmarshal method of venom Package

Best Venom code snippet using venom.JSONUnmarshal

kafka.go

Source:kafka.go Github

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...160 if err != nil {161 return err162 }163 messages := []Message{}164 err = venom.JSONUnmarshal(content, &messages)165 if err != nil {166 return err167 }168 e.Messages = messages169 } else {170 return err171 }172 }173 for i := range e.Messages {174 message := e.Messages[i]175 value, err := e.getMessageValue(&message, workdir)176 if err != nil {177 return err178 }179 messages = append(messages, &sarama.ProducerMessage{180 Topic: message.Topic,181 Key: sarama.ByteEncoder([]byte(message.Key)),182 Value: sarama.ByteEncoder(value),183 })184 }185 return sp.SendMessages(messages)186}187func (e Executor) getMessageValue(m *Message, workdir string) ([]byte, error) {188 value, err := e.getRAWMessageValue(m, workdir)189 if err != nil {190 return nil, fmt.Errorf("can't get value: %w", err)191 }192 if !e.WithAVRO {193 // This is test without AVRO - value is all we need to have194 return value, nil195 }196 // This is test with Avro197 var (198 schemaID int199 schema string200 )201 // 1. Get schema with its ID202 // 1.1 Try with the file, if provided203 subject := fmt.Sprintf("%s-value", m.Topic) // Using topic name strategy204 schemaFile := strings.Trim(m.AvroSchemaFile, " ")205 if len(schemaFile) != 0 {206 schemaPath := path.Join(workdir, schemaFile)207 schemaBlob, err := os.ReadFile(schemaPath)208 if err != nil {209 return nil, fmt.Errorf("can't read from %s: %w", schemaPath, err)210 }211 schema = string(schemaBlob)212 // 1.2 Push schema to Schema Registry213 schemaID, err = e.schemaReg.RegisterNewSchema(subject, schema)214 if err != nil {215 return nil, fmt.Errorf("can't register new schame in SchemaRegistry: %s", err)216 }217 } else {218 // 1.3 Get schema from Schema Registry219 schemaID, schema, err = e.schemaReg.GetLatestSchema(subject)220 if err != nil {221 return nil, fmt.Errorf("can't get latest schema for subject %s-value: %w", m.Topic, err)222 }223 }224 // 2. Encode Value with schema225 avroMsg, err := Convert2Avro(value, string(schema))226 if err != nil {227 return nil, fmt.Errorf("can't convert value 2 avro with schema: %w", err)228 }229 // 3. Create Kafka message with magic byte and schema ID230 encodedAvroMsg, err := CreateMessage(avroMsg, schemaID)231 if err != nil {232 return nil, fmt.Errorf("can't encode avro message with schemaID: %s", err)233 }234 return encodedAvroMsg, nil235}236func (e Executor) getRAWMessageValue(m *Message, workdir string) ([]byte, error) {237 // We have 2 fields Value and ValueFile from where we can get value, we prefer Value238 if len(m.Value) != 0 {239 // Most easiest scenario - Value is present240 return []byte(m.Value), nil241 }242 // Read from file243 s := path.Join(workdir, m.ValueFile)244 value, err := os.ReadFile(s)245 if err != nil {246 return nil, fmt.Errorf("can't read from %s: %w", s, err)247 }248 return value, nil249}250func (e Executor) consumeMessages(ctx context.Context) ([]Message, []interface{}, error) {251 if len(e.Topics) == 0 {252 return nil, nil, fmt.Errorf("You must provide topics")253 }254 config, err := e.getKafkaConfig()255 if err != nil {256 return nil, nil, err257 }258 if strings.TrimSpace(e.InitialOffset) == "oldest" {259 config.Consumer.Offsets.Initial = sarama.OffsetOldest260 }261 consumerGroup, err := sarama.NewConsumerGroup(e.Addrs, e.GroupID, config)262 if err != nil {263 return nil, nil, fmt.Errorf("error instanciate consumer err: %w", err)264 }265 defer func() { _ = consumerGroup.Close() }()266 timeout := time.Duration(e.Timeout) * time.Second267 if e.WaitFor > 0 {268 timeout = time.Duration(e.WaitFor) * time.Second269 }270 ctx, cancel := context.WithTimeout(ctx, timeout)271 defer cancel()272 // Track errors273 go func() {274 for err := range consumerGroup.Errors() {275 if e.WaitFor > 0 && errors.Is(err, context.DeadlineExceeded) {276 continue277 }278 venom.Error(ctx, "error on consume:%s", err)279 }280 }()281 h := &handler{282 withAVRO: e.WithAVRO,283 messages: []Message{},284 messagesJSON: []interface{}{},285 markOffset: e.MarkOffset,286 messageLimit: e.MessageLimit,287 schemaReg: e.schemaReg,288 keyFilter: e.KeyFilter,289 done: make(chan struct{}),290 }291 cherr := make(chan error)292 go func() {293 cherr <- consumerGroup.Consume(ctx, e.Topics, h)294 }()295 select {296 case err := <-cherr:297 if err != nil {298 if e.WaitFor > 0 && errors.Is(err, context.DeadlineExceeded) {299 venom.Info(ctx, "wait ended")300 } else {301 return nil, nil, fmt.Errorf("error on consume: %w", err)302 }303 }304 case <-ctx.Done():305 if ctx.Err() != nil {306 if e.WaitFor > 0 && errors.Is(ctx.Err(), context.DeadlineExceeded) {307 venom.Info(ctx, "wait ended")308 } else {309 return nil, nil, fmt.Errorf("kafka consumed failed: %w", ctx.Err())310 }311 }312 }313 return h.messages, h.messagesJSON, nil314}315func (e Executor) getKafkaConfig() (*sarama.Config, error) {316 config := sarama.NewConfig()317 config.Net.TLS.Enable = e.WithTLS318 config.Net.SASL.Enable = e.WithSASL319 config.Net.SASL.User = e.User320 config.Net.SASL.Password = e.Password321 config.Consumer.Return.Errors = true322 config.Net.DialTimeout = defaultDialTimeout323 config.Version = sarama.V2_6_0_0324 if e.KafkaVersion != "" {325 kafkaVersion, err := sarama.ParseKafkaVersion(e.KafkaVersion)326 if err != nil {327 return config, fmt.Errorf("error parsing Kafka version %v err: %w", kafkaVersion, err)328 }329 config.Version = kafkaVersion330 }331 return config, nil332}333// handler represents a Sarama consumer group consumer334type handler struct {335 withAVRO bool336 messages []Message337 messagesJSON []interface{}338 markOffset bool339 messageLimit int340 schemaReg SchemaRegistry341 keyFilter string342 mutex sync.Mutex343 done chan struct{}344 once sync.Once345}346// Setup is run at the beginning of a new session, before ConsumeClaim347func (h *handler) Setup(s sarama.ConsumerGroupSession) error {348 return nil349}350// Cleanup is run at the end of a session, once all ConsumeClaim goroutines have exited351func (h *handler) Cleanup(sarama.ConsumerGroupSession) error {352 return nil353}354// ConsumeClaim must start a consumer loop of ConsumerGroupClaim's Messages().355func (h *handler) ConsumeClaim(session sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {356 ctx := session.Context()357 for message := range claim.Messages() {358 // Stop consuming if one of the other handler goroutines already hit the message limit359 select {360 case <-h.done:361 return nil362 default:363 }364 consumeFunction := h.consumeJSON365 if h.withAVRO {366 consumeFunction = h.consumeAVRO367 }368 msg, msgJSON, err := consumeFunction(message)369 if err != nil {370 return err371 }372 // Pass filter373 if h.keyFilter != "" && msg.Key != h.keyFilter {374 venom.Info(ctx, "ignore message with key: %s", msg.Key)375 continue376 }377 h.mutex.Lock()378 // Check if message limit is hit *before* adding new message379 messagesLen := len(h.messages)380 if h.messageLimit > 0 && messagesLen >= h.messageLimit {381 h.mutex.Unlock()382 h.messageLimitReached(ctx)383 return nil384 }385 h.messages = append(h.messages, msg)386 h.messagesJSON = append(h.messagesJSON, msgJSON)387 h.mutex.Unlock()388 messagesLen++389 if h.markOffset {390 session.MarkMessage(message, "")391 }392 session.MarkMessage(message, "delivered")393 // Check if the message limit is hit394 if h.messageLimit > 0 && messagesLen >= h.messageLimit {395 h.messageLimitReached(ctx)396 return nil397 }398 }399 return nil400}401func (h *handler) messageLimitReached(ctx context.Context) {402 venom.Info(ctx, "message limit reached")403 // Signal to other handler goroutines that they should stop consuming messages.404 // Only checking the message length isn't enough in case of filtering by key and never reaching the check.405 // Using sync.Once to prevent panics from multiple channel closings.406 h.once.Do(func() { close(h.done) })407}408func (h *handler) consumeJSON(message *sarama.ConsumerMessage) (Message, interface{}, error) {409 msg := Message{410 Topic: message.Topic,411 Key: string(message.Key),412 Value: string(message.Value),413 }414 msgJSON := MessageJSON{415 Topic: message.Topic,416 }417 convertFromMessage2JSON(&msg, &msgJSON)418 return msg, msgJSON, nil419}420func (h *handler) consumeAVRO(message *sarama.ConsumerMessage) (Message, interface{}, error) {421 msg := Message{422 Topic: message.Topic,423 Key: string(message.Key),424 }425 msgJSON := MessageJSON{426 Topic: message.Topic,427 }428 // 1. Get Schema ID429 avroMsg, schemaID := GetMessageAvroID(message.Value)430 schema, err := h.schemaReg.GetSchemaByID(schemaID)431 if err != nil {432 return msg, nil, fmt.Errorf("can't get Schema with ID %d: %w", schemaID, err)433 }434 // 2. Decode Avro Msg435 value, err := ConvertFromAvro(avroMsg, schema)436 if err != nil {437 return msg, nil, fmt.Errorf("can't get value from Avro message: %w", err)438 }439 msg.Value = value440 convertFromMessage2JSON(&msg, &msgJSON)441 return msg, msgJSON, nil442}443func convertFromMessage2JSON(message *Message, msgJSON *MessageJSON) {444 // unmarshall the message.Value445 listMessageJSON := []MessageJSON{}446 // try to unmarshall into an array447 if err := venom.JSONUnmarshal([]byte(message.Value), &listMessageJSON); err != nil {448 // try to unmarshall into a map449 mapMessageJSON := map[string]interface{}{}450 if err2 := venom.JSONUnmarshal([]byte(message.Value), &mapMessageJSON); err2 != nil {451 // try to unmarshall into a string452 msgJSON.Value = message.Value453 } else {454 msgJSON.Value = mapMessageJSON455 }456 } else {457 msgJSON.Value = listMessageJSON458 }459 // unmarshall the message.Key460 listMessageJSON = []MessageJSON{}461 // try to unmarshall into an array462 if err := venom.JSONUnmarshal([]byte(message.Key), &listMessageJSON); err != nil {463 // try to unmarshall into a map464 mapMessageJSON := map[string]interface{}{}465 if err2 := venom.JSONUnmarshal([]byte(message.Key), &mapMessageJSON); err2 != nil {466 // try to unmarshall into a string467 msgJSON.Key = message.Key468 } else {469 msgJSON.Key = mapMessageJSON470 }471 } else {472 msgJSON.Key = listMessageJSON473 }474}...

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grpc.go

Source:grpc.go Github

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...240 result.Err = handle.err.Error()241 }242 // parse stdout as JSON243 var outJSONArray []interface{}244 if err := venom.JSONUnmarshal([]byte(result.Systemout), &outJSONArray); err != nil {245 outJSONMap := map[string]interface{}{}246 if err2 := venom.JSONUnmarshal([]byte(result.Systemout), &outJSONMap); err2 == nil {247 result.SystemoutJSON = outJSONMap248 }249 } else {250 result.SystemoutJSON = outJSONArray251 }252 // parse stderr output as JSON253 var errJSONArray []interface{}254 if err := venom.JSONUnmarshal([]byte(result.Systemout), &errJSONArray); err != nil {255 errJSONMap := map[string]interface{}{}256 if err2 := venom.JSONUnmarshal([]byte(result.Systemout), &errJSONMap); err2 == nil {257 result.SystemoutJSON = errJSONMap258 }259 } else {260 result.SystemoutJSON = errJSONArray261 }262 return result, nil263}...

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exec.go

Source:exec.go Github

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...171 result.TimeSeconds = elapsed.Seconds()172 result.Systemout = venom.RemoveNotPrintableChar(strings.TrimRight(result.Systemout, "\n"))173 result.Systemerr = venom.RemoveNotPrintableChar(strings.TrimRight(result.Systemerr, "\n"))174 var outJSON interface{}175 if err := venom.JSONUnmarshal([]byte(result.Systemout), &outJSON); err == nil {176 result.SystemoutJSON = outJSON177 }178 var errJSON interface{}179 if err := venom.JSONUnmarshal([]byte(result.Systemerr), &errJSON); err == nil {180 result.SystemerrJSON = errJSON181 }182 return result, nil183}...

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JSONUnmarshal

Using AI Code Generation

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1import (2func main() {3 var result map[string]interface{}4 json.Unmarshal([]byte(`{"Name":"Venom","Age":2}`), &result)5 fmt.Println(result["Name"])6}7import (8func main() {9 var result map[string]interface{}10 json.Unmarshal([]byte(`{"Name":"Venom","Age":2}`), &result)11 fmt.Println(result["Age"])12}13import (14func main() {15 var result map[string]interface{}16 json.Unmarshal([]byte(`{"Name":"Venom","Age":2}`), &result)17 fmt.Println(result)18}19import (20func main() {21 var result map[string]interface{}22 json.Unmarshal([]byte(`{"Name":"Venom","Age":2}`), &result)23 fmt.Println(result["Name"])24 fmt.Println(result["Age"])25 fmt.Println(result)26}27import (28func main() {29 var result map[string]interface{}30 json.Unmarshal([]byte(`{"Name":"Venom","Age":2}`), &result)31 fmt.Println(result["Name"])32 fmt.Println(result["Age"])33 fmt.Println(result)34 fmt.Println(result["Weight"])35}36import (37func main() {38 var result map[string]interface{}39 json.Unmarshal([]byte(`{"Name":"Venom","Age":2

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JSONUnmarshal

Using AI Code Generation

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1import (2type Venom struct {3}4func main() {5 v := Venom{6 }7 fmt.Println(v)8 bs, _ := json.Marshal(v)9 fmt.Println(string(bs))10}11import (12type Venom struct {13}14func main() {15 bs := []byte(`{"Name":"Venom","Origin":"Earth"}`)16 json.Unmarshal(bs, &v)17 fmt.Println(v)18}19import (20type Venom struct {21}22func main() {23 v := Venom{24 }25 fmt.Println(v)26 bs, err := toJSON(v)27 if err != nil {28 log.Println(err)29 }30 fmt.Println(string(bs))31}32func toJSON(a interface{}) ([]byte, error) {33 bs, err := json.Marshal(a)34 if err != nil {35 return []byte{}, fmt.Errorf("There was an error in toJSON %v", err)36 }37}38import (39type Venom struct {40}41func main() {42 v := Venom{43 }44 fmt.Println(v)45 bs, err := toJSON(v)46 if err != nil {47 log.Println(err)48 }49 fmt.Println(string(bs))50}51func toJSON(a interface{}) ([]byte, error) {52 bs, err := json.Marshal(a)53 if err != nil {54 return []byte{}, fmt.Errorf("There was an error in toJSON %v", err)55 }56}57import (58type Venom struct {59}60func main() {61 v := Venom{62 }63 fmt.Println(v)

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JSONUnmarshal

Using AI Code Generation

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1import (2type venom struct {3}4func main() {5 var s = `{"First":"Eddie","Last":"Brock","Age":32}`6 err := json.Unmarshal([]byte(s), &p)7 if err != nil {8 fmt.Println(err)9 }10 fmt.Println(p.First)11 fmt.Println(p.Last)12 fmt.Println(p.Age)13}14func (v venom) JSONMarshal() ([]byte, error)15import (16type venom struct {17}18func main() {19 var p1 = venom{20 }21 bs, err := json.Marshal(p1)22 if err != nil {23 fmt.Println(err)24 }25 fmt.Println(string(bs))26}27{"First":"Eddie","Last":"Brock","Age":32}28func (v venom) JSONMarshalIndent() ([]byte, error)29import (30type venom struct {31}

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JSONUnmarshal

Using AI Code Generation

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1import (2type venom struct {3}4func main() {5 jsonFile, err := os.Open("venom.json")6 if err != nil {7 fmt.Println(err)8 }9 defer jsonFile.Close()10 byteValue, _ := ioutil.ReadAll(jsonFile)11 json.Unmarshal(byteValue, &v)12 fmt.Println(v.Name)13 fmt.Println(v.Age)14}15import (16type venom struct {17}18func main() {19 v := venom{20 }21 vBytes, err := json.Marshal(v)22 if err != nil {23 fmt.Println(err)24 }25 vString := string(vBytes)26 fmt.Println(vString)27}28{"name":"Venom","age":35}29import (30type venom struct {31}32func main() {33 v := venom{34 }35 vBytes, err := json.MarshalIndent(v, "", " ")36 if err != nil {37 fmt.Println(err)38 }39 vString := string(vBytes)40 fmt.Println(vString)41}42{

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JSONUnmarshal

Using AI Code Generation

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1import (2type venom struct {3}4func main() {5 s := `{"Name":"Venom","Age":30,"Height":6.2}`6 err := json.Unmarshal([]byte(s), &v)7 if err != nil {8 fmt.Println(err)9 }10 fmt.Println(v)11}12{Venom 30 6.2}

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