openai/openai-go
Publicmirrored from https://github.com/openai/openai-goAvailable
examples/image-streaming/main.go
75lines · modecode
| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/base64" |
| 6 | "fmt" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | |
| 10 | "github.com/openai/openai-go/v3" |
| 11 | ) |
| 12 | |
| 13 | func main() { |
| 14 | client := openai.NewClient() |
| 15 | ctx := context.Background() |
| 16 | |
| 17 | fmt.Println("Starting image streaming example...") |
| 18 | |
| 19 | stream := client.Images.GenerateStreaming(ctx, openai.ImageGenerateParams{ |
| 20 | Model: openai.ImageModelGPTImage1, |
| 21 | Prompt: "A cute baby sea otter", |
| 22 | N: openai.Int(1), |
| 23 | Size: openai.ImageGenerateParamsSize1024x1024, |
| 24 | PartialImages: openai.Int(3), |
| 25 | }) |
| 26 | |
| 27 | for stream.Next() { |
| 28 | event := stream.Current() |
| 29 | |
| 30 | switch variant := event.AsAny().(type) { |
| 31 | case openai.ImageGenPartialImageEvent: |
| 32 | fmt.Printf(" Partial image %d/3 received\n", variant.PartialImageIndex+1) |
| 33 | fmt.Printf(" Size: %d characters (base64)\n", len(variant.B64JSON)) |
| 34 | |
| 35 | // Save partial image to file |
| 36 | filename := fmt.Sprintf("partial_%d.png", variant.PartialImageIndex+1) |
| 37 | if err := saveBase64Image(variant.B64JSON, filename); err != nil { |
| 38 | panic(fmt.Errorf("failed to save partial image: %w", err)) |
| 39 | } |
| 40 | absPath, _ := filepath.Abs(filename) |
| 41 | fmt.Printf(" 💾 Saved to: %s\n", absPath) |
| 42 | case openai.ImageGenCompletedEvent: |
| 43 | fmt.Printf("\n✅ Final image completed!\n") |
| 44 | fmt.Printf(" Size: %d characters (base64)\n", len(variant.B64JSON)) |
| 45 | |
| 46 | // Save final image to file |
| 47 | filename := "final_image.png" |
| 48 | if err := saveBase64Image(variant.B64JSON, filename); err != nil { |
| 49 | panic(fmt.Errorf("failed to save final image: %w", err)) |
| 50 | } |
| 51 | absPath, _ := filepath.Abs(filename) |
| 52 | fmt.Printf(" 💾 Saved to: %s\n", absPath) |
| 53 | |
| 54 | default: |
| 55 | fmt.Printf("Received unknown event type: %+v\n", event) |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | if err := stream.Err(); err != nil { |
| 60 | panic(fmt.Errorf("error during streaming: %w", err)) |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | func saveBase64Image(b64Data, filename string) error { |
| 65 | imageData, err := base64.StdEncoding.DecodeString(b64Data) |
| 66 | if err != nil { |
| 67 | return fmt.Errorf("failed to decode base64: %w", err) |
| 68 | } |
| 69 | |
| 70 | if err := os.WriteFile(filename, imageData, 0644); err != nil { |
| 71 | return fmt.Errorf("failed to write file: %w", err) |
| 72 | } |
| 73 | |
| 74 | return nil |
| 75 | } |
| 76 | |