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| package clients |
|
|
| import ( |
| "context" |
| "fmt" |
| "strings" |
| "time" |
|
|
| "github.com/weaviate/weaviate/entities/moduletools" |
| "github.com/weaviate/weaviate/usecases/modulecomponents" |
| "github.com/weaviate/weaviate/usecases/modulecomponents/clients/nvidia" |
|
|
| "github.com/sirupsen/logrus" |
| "github.com/weaviate/weaviate/modules/multi2vec-nvidia/ent" |
| ) |
|
|
| type vectorizer struct { |
| client *nvidia.Client |
| logger logrus.FieldLogger |
| } |
|
|
| func New(apiKey string, timeout time.Duration, logger logrus.FieldLogger) *vectorizer { |
| return &vectorizer{ |
| client: nvidia.New(apiKey, timeout, logger), |
| logger: logger, |
| } |
| } |
|
|
| func (v *vectorizer) Vectorize(ctx context.Context, |
| texts, images []string, cfg moduletools.ClassConfig, |
| ) (*modulecomponents.VectorizationCLIPResult[[]float32], error) { |
| return v.vectorize(ctx, texts, images, cfg) |
| } |
|
|
| func (v *vectorizer) VectorizeQuery(ctx context.Context, |
| input []string, cfg moduletools.ClassConfig, |
| ) (*modulecomponents.VectorizationCLIPResult[[]float32], error) { |
| return v.vectorize(ctx, input, nil, cfg) |
| } |
|
|
| func (v *vectorizer) vectorize(ctx context.Context, |
| texts, images []string, cfg moduletools.ClassConfig, |
| ) (*modulecomponents.VectorizationCLIPResult[[]float32], error) { |
| var textVectors [][]float32 |
| var imageVectors [][]float32 |
| settings := ent.NewClassSettings(cfg) |
| if len(texts) > 0 { |
| textEmbeddings, err := v.client.Vectorize(ctx, texts, nvidia.Settings{ |
| BaseURL: settings.BaseURL(), |
| Model: settings.Model(), |
| }) |
| if err != nil { |
| return nil, err |
| } |
| textVectors = textEmbeddings.Vector |
| } |
| if len(images) > 0 { |
| inputs := make([]string, len(images)) |
| for i := range images { |
| if !strings.HasPrefix(images[i], "data:") { |
| inputs[i] = fmt.Sprintf("data:image/png;base64,%s", images[i]) |
| } else { |
| inputs[i] = images[i] |
| } |
| } |
| imageEmbeddings, err := v.client.Vectorize(ctx, inputs, nvidia.Settings{ |
| Model: settings.Model(), |
| BaseURL: settings.BaseURL(), |
| }) |
| if err != nil { |
| return nil, err |
| } |
| imageVectors = imageEmbeddings.Vector |
| } |
| return &modulecomponents.VectorizationCLIPResult[[]float32]{ |
| TextVectors: textVectors, |
| ImageVectors: imageVectors, |
| }, nil |
| } |
|
|
