How to use FileWriter method of gcs Package

Best Syzkaller code snippet using gcs.FileWriter

gcs.go

Source:gcs.go Github

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...18 externalClient bool19 Bucket *storage.BucketHandle20 FilePath string21 FileReader *storage.Reader22 FileWriter *storage.Writer23 offset int6424 whence int25 fileSize int6426}27func NewGcsFileWriter(ctx context.Context, projectId string, bucketName string, name string) (source.ParquetFile, error) {28 res := &GcsFile{29 ProjectId: projectId,30 BucketName: bucketName,31 Ctx: ctx,32 FilePath: name,33 }34 return res.Create(name)35}36func NewGcsFileWriterWithClient(ctx context.Context, client *storage.Client, projectId string, bucketName string, name string) (source.ParquetFile, error) {37 res := &GcsFile{38 ProjectId: projectId,39 BucketName: bucketName,40 Ctx: ctx,41 Client: client,42 externalClient: true,43 FilePath: name,44 }45 return res.Create(name)46}47func NewGcsFileReader(ctx context.Context, projectId string, bucketName string, name string) (source.ParquetFile, error) {48 res := &GcsFile{49 ProjectId: projectId,50 BucketName: bucketName,51 Ctx: ctx,52 FilePath: name,53 }54 return res.Open(name)55}56func NewGcsFileReaderWithClient(ctx context.Context, client *storage.Client, projectId string, bucketName string, name string) (source.ParquetFile, error) {57 res := &GcsFile{58 ProjectId: projectId,59 BucketName: bucketName,60 Ctx: ctx,61 Client: client,62 externalClient: true,63 FilePath: name,64 }65 return res.Open(name)66}67func (self *GcsFile) Create(name string) (source.ParquetFile, error) {68 var err error69 gcs := new(GcsFile)70 if self.Client == nil {71 gcs.Client, err = storage.NewClient(self.Ctx)72 gcs.externalClient = false73 } else {74 gcs.Client = self.Client75 gcs.externalClient = self.externalClient76 }77 gcs.FilePath = name78 if err != nil {79 return gcs, err80 }81 // must use existing bucket82 gcs.Bucket = gcs.Client.Bucket(self.BucketName)83 obj := gcs.Bucket.Object(name)84 gcs.FileWriter = obj.NewWriter(self.Ctx)85 return gcs, err86}87func (self *GcsFile) Open(name string) (source.ParquetFile, error) {88 var err error89 gcs := new(GcsFile)90 if self.Client == nil {91 gcs.Client, err = storage.NewClient(self.Ctx)92 gcs.externalClient = false93 } else {94 gcs.Client = self.Client95 gcs.externalClient = self.externalClient96 }97 if err != nil {98 return gcs, err99 }100 if name == "" {101 gcs.FilePath = self.FilePath102 } else {103 gcs.FilePath = name104 }105 // must use existing bucket106 gcs.Bucket = gcs.Client.Bucket(self.BucketName)107 obj := gcs.Bucket.Object(gcs.FilePath)108 attrs, err := obj.Attrs(self.Ctx)109 if err != nil {110 return gcs, err111 }112 gcs.fileSize = attrs.Size113 gcs.Ctx = self.Ctx114 gcs.ProjectId = self.ProjectId115 gcs.BucketName = self.BucketName116 return gcs, err117}118func (self *GcsFile) Seek(offset int64, whence int) (int64, error) {119 if whence < io.SeekStart || whence > io.SeekEnd {120 return 0, errWhence121 }122 if self.fileSize > 0 {123 switch whence {124 case io.SeekStart:125 if offset < 0 || offset > self.fileSize {126 return 0, errInvalidOffset127 }128 case io.SeekCurrent:129 offset += self.offset130 if offset < 0 || offset > self.fileSize {131 return 0, errInvalidOffset132 }133 case io.SeekEnd:134 if offset > -1 || -offset > self.fileSize {135 return 0, errInvalidOffset136 }137 }138 }139 self.offset = offset140 self.whence = whence141 return self.offset, nil142}143func (self *GcsFile) Read(b []byte) (cnt int, err error) {144 if self.fileSize > 0 && self.offset >= self.fileSize {145 return 0, io.EOF146 }147 ln := len(b)148 obj := self.Bucket.Object(self.FilePath)149 if self.offset == 0 {150 self.FileReader, err = obj.NewReader(self.Ctx)151 } else {152 var length int64153 if self.offset < 0 || (self.whence == io.SeekEnd && int64(ln) >= self.fileSize-self.offset) {154 length = -1155 } else {156 length = int64(ln)157 }158 self.FileReader, err = obj.NewRangeReader(self.Ctx, self.offset, length)159 if err != nil {160 return161 }162 }163 defer self.FileReader.Close()164 var n int165 for cnt < ln {166 n, err = self.FileReader.Read(b[cnt:])167 cnt += n168 if err != nil {169 break170 }171 }172 self.offset += int64(cnt)173 return cnt, err174}175func (self *GcsFile) Write(b []byte) (n int, err error) {176 return self.FileWriter.Write(b)177}178func (self *GcsFile) Close() error {179 if self.FileReader != nil {180 if err := self.FileReader.Close(); err != nil {181 return err182 }183 }184 if self.FileWriter != nil {185 if err := self.FileWriter.Close(); err != nil {186 return err187 }188 }189 if self.Client != nil && !self.externalClient {190 err := self.Client.Close()191 self.Client = nil192 if err != nil {193 return err194 }195 }196 return nil197}...

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GCSFile.go

Source:GCSFile.go Github

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...10 Client *storage.Client11 Bucket *storage.BucketHandle12 FilePath string13 FileReader *storage.Reader14 FileWriter *storage.Writer15}16func NewGcsFileWriter(ctx context.Context, projectId string, bucketName string, name string) (ParquetFile, error) {17 res := &GcsFile{18 ProjectId: projectId,19 BucketName: bucketName,20 Ctx: ctx,21 FilePath: name,22 }23 return res.Create(name)24}25func NewGcsFileReader(ctx context.Context, projectId string, bucketName string, name string) (ParquetFile, error) {26 res := &GcsFile{27 ProjectId: projectId,28 BucketName: bucketName,29 Ctx: ctx,30 FilePath: name,31 }32 return res.Open(name)33}34func (self *GcsFile) Create(name string) (ParquetFile, error) {35 var err error36 gcs := new(GcsFile)37 gcs.Client, err = storage.NewClient(self.Ctx)38 gcs.FilePath = name39 if err != nil {40 return gcs, err41 }42 // must use existing bucket43 gcs.Bucket = gcs.Client.Bucket(self.BucketName)44 obj := gcs.Bucket.Object(name)45 gcs.FileWriter = obj.NewWriter(self.Ctx)46 return gcs, err47}48func (self *GcsFile) Open(name string) (ParquetFile, error) {49 var err error50 gcs := new(GcsFile)51 gcs.Client, err = storage.NewClient(self.Ctx)52 gcs.FilePath = name53 if err != nil {54 return gcs, err55 }56 // must use existing bucket57 gcs.Bucket = gcs.Client.Bucket(self.BucketName)58 obj := gcs.Bucket.Object(name)59 gcs.FileReader, err = obj.NewReader(self.Ctx)60 return gcs, err61}62func (self *GcsFile) Seek(offset int64, pos int) (int64, error) {63 //Not implemented64 return 0, nil65}66func (self *GcsFile) Read(b []byte) (cnt int, err error) {67 var n int68 ln := len(b)69 for cnt < ln {70 n, err = self.FileReader.Read(b[cnt:])71 cnt += n72 if err != nil {73 break74 }75 }76 return cnt, err77}78func (self *GcsFile) Write(b []byte) (n int, err error) {79 return self.FileWriter.Write(b)80}81func (self *GcsFile) Close() error {82 if self.FileReader != nil {83 if err := self.FileReader.Close(); err != nil {84 return err85 }86 }87 if self.FileWriter != nil {88 if err := self.FileWriter.Close(); err != nil {89 return err90 }91 }92 if self.Client != nil {93 if err := self.Client.Close(); err != nil {94 return err95 }96 }97 return nil98}...

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writer.go

Source:writer.go Github

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1package gcs2import (3 "context"4 "cloud.google.com/go/storage"5 "github.com/hexbee-net/errors"6)7type Writer struct {8 file9 fileWriter *storage.Writer10}11// NewWriter creates an GCS Writer.12func NewWriter(ctx context.Context, projectID, bucketName, name string) (*Writer, error) {13 client, err := storage.NewClient(ctx)14 if err != nil {15 return nil, errors.WithStack(errInstantiate)16 }17 writer := &Writer{18 file: file{19 ProjectID: projectID,20 BucketName: bucketName,21 FilePath: name,22 ctx: ctx,23 externalClient: false,24 Client: client,25 },26 }27 writer.create()28 return writer, nil29}30// NewWriterWithClient is the same as NewWriter but allows passing your own GCS client.31func NewWriterWithClient(ctx context.Context, client *storage.Client, projectID, bucketName, name string) (*Writer, error) {32 writer := &Writer{33 file: file{34 ProjectID: projectID,35 BucketName: bucketName,36 ctx: ctx,37 FilePath: name,38 externalClient: true,39 Client: client,40 },41 }42 writer.create()43 return writer, nil44}45func (w *Writer) Write(p []byte) (n int, err error) {46 return w.fileWriter.Write(p)47}48func (w *Writer) Close() error {49 if w.fileWriter != nil {50 if err := w.fileWriter.Close(); err != nil {51 return errors.Wrap(err, "failed to close GCS writer")52 }53 }54 return w.file.Close()55}56func (w *Writer) create() {57 w.Bucket = w.Client.Bucket(w.BucketName)58 w.Object = w.Bucket.Object(w.FilePath)59 w.fileWriter = w.Object.NewWriter(w.ctx)60}...

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FileWriter

Using AI Code Generation

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1import (2func init() {3 http.HandleFunc("/upload", upload)4}5func upload(w http.ResponseWriter, r *http.Request) {6 ctx := appengine.NewContext(r)7 bucket, err := file.DefaultBucketName(ctx)8 if err != nil {9 log.Fatal(err)10 }11 if err != nil {12 log.Fatal(err)13 }14 fmt.Fprint(writer, "Hello, world!")15 writer.Close()16}17import (18func init() {19 http.HandleFunc("/upload", upload)20}21func upload(w http.ResponseWriter, r *http.Request) {22 ctx := appengine.NewContext(r)23 bucket, err := file.DefaultBucketName(ctx)24 if err != nil {25 log.Fatal(err)26 }27 if err != nil {28 log.Fatal(err)29 }30 fmt.Fprint(writer, "Hello, world!")31 writer.Close()32}33import (34func init() {35 http.HandleFunc("/upload", upload)36}37func upload(w http.ResponseWriter, r *http.Request) {38 ctx := appengine.NewContext(r)39 bucket, err := file.DefaultBucketName(ctx)40 if err != nil {41 log.Fatal(err)42 }

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FileWriter

Using AI Code Generation

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1import (2func main() {3 ctx := context.Background()4 client, err := google.DefaultClient(ctx, storage.DevstorageFull_controlScope)5 if err != nil {6 log.Fatalf("Unable to get default client: %v", err)7 }8 service, err := storage.New(client)9 if err != nil {10 log.Fatalf("Unable to create storage service: %v", err)11 }

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FileWriter

Using AI Code Generation

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1import (2func main() {3 ctx := context.Background()4 client, err := storage.NewClient(ctx, option.WithoutAuthentication())5 if err != nil {6 log.Fatalf("Failed to create client: %v", err)7 }8 bucket := client.Bucket("bucket_name")9 bucketHandle := client.Bucket("bucket_name")10 object := bucket.Object("object_name")11 w := bucketHandle.Object("object_name").NewWriter(ctx)12 r := bucketHandle.Object("object_name").NewReader(ctx)13 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)14 if err != nil {15 log.Fatalf("Failed to open object: %v", err)16 }17 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)18 if err != nil {19 log.Fatalf("Failed to open object: %v", err)20 }21 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)22 if err != nil {23 log.Fatalf("Failed to open object: %v", err)24 }25 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)26 if err != nil {27 log.Fatalf("Failed to open object: %v", err)28 }29 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)30 if err != nil {31 log.Fatalf("Failed to open object: %v", err)32 }33 r, err := bucketHandle.Object("object_name").NewRangeReader(ctx, 0, 100)34 if err != nil {35 log.Fatalf("Failed to open object: %v", err

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FileWriter

Using AI Code Generation

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1import (2func main() {3 ctx := context.Background()4 client, err := storage.NewClient(ctx)5 if err != nil {6 log.Fatalf("Failed to create client: %v", err)7 }8 bucket := &storage.Bucket{Name: bucketName}9 if _, err = client.Buckets.Insert("my-project-id", bucket).Do(); err != nil {10 log.Fatalf("Failed to create bucket: %v", err)11 }12 bucket := &storage.Bucket{Name: bucketName}13 if _, err = client.Buckets.Insert("my-project-id", bucket).Do(); err != nil {14 log.Fatalf("Failed to create bucket: %v", err)15 }16 it := client.Buckets.List("my-project-id")17 for {18 b, err := it.Next()19 if err == iterator.Done {20 }21 if err != nil {22 log.Fatalf("Failed to list buckets: %v", err)23 }24 fmt.Printf("Bucket: %v25 }26 f, err := os.Open("/home/user/Downloads/some-file.txt")27 if err != nil {28 log.Fatalf("Failed to open file: %v", err)29 }30 wc := client.Bucket(bucketName).Object(objectName).NewWriter(ctx)31 if _, err = io.Copy(wc, f); err != nil {32 log.Fatalf("Failed to copy file: %v",

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FileWriter

Using AI Code Generation

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1import (2func main() {3 gcsObj := gcs.NewGCS()4}5import (6type GCS struct {7}8func NewGCS() *GCS {9 return &GCS{}10}11func (gcs *GCS) FileWriter(filePath string, content string) {12 bucket, path := gcs.getBucketAndPath(filePath)13 ctx := context.Background()14 client, err := storage.NewClient(ctx, option.WithCredentialsFile("credentials.json"))15 if err != nil {16 log.Fatalf("Failed to create client: %v", err)17 }18 writer := client.Bucket(bucket).Object(path).NewWriter(ctx)19 _, err = io.Copy(writer, bufio.NewReader(strings.NewReader(content)))20 if err != nil {21 log.Fatalf("Failed to write file: %v", err)22 }23 err = writer.Close()24 if err != nil {25 log.Fatalf("Failed to close writer: %v", err)26 }27 client.Close()28}29func (gcs *GCS) getBucketAndPath(filePath string) (string, string) {30 splitPath := strings.Split(filePath, "/")31 path := strings.Join(splitPath[3:], "/")32}

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FileWriter

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1gcs fw = new gcs();2fw.FileWriter("test.txt");3gcs fr = new gcs();4fr.FileReader("test.txt");5gcs fd = new gcs();6fd.FileDelete("test.txt");7gcs fc = new gcs();8fc.FileCopy("test.txt", "test2.txt");9gcs frn = new gcs();10frn.FileRename("test.txt", "test3.txt");11gcs fm = new gcs();12fm.FileMove("test2.txt", "test4.txt");13gcs fcfu = new gcs();14gcs fctu = new gcs();15gcs fclf = new gcs();16fclf.FileCopyFromLocal("test5.png", "test6.png");

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