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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package modclip
import (
"context"
"net/http"
"os"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/modulecapabilities"
"github.com/weaviate/weaviate/entities/moduletools"
"github.com/weaviate/weaviate/modules/multi2vec-clip/clients"
"github.com/weaviate/weaviate/modules/multi2vec-clip/vectorizer"
)
func New() *ClipModule {
return &ClipModule{}
}
type ClipModule struct {
imageVectorizer imageVectorizer
nearImageGraphqlProvider modulecapabilities.GraphQLArguments
nearImageSearcher modulecapabilities.Searcher
textVectorizer textVectorizer
nearTextGraphqlProvider modulecapabilities.GraphQLArguments
nearTextSearcher modulecapabilities.Searcher
nearTextTransformer modulecapabilities.TextTransform
metaClient metaClient
}
type metaClient interface {
MetaInfo() (map[string]interface{}, error)
}
type imageVectorizer interface {
Object(ctx context.Context, object *models.Object, objDiff *moduletools.ObjectDiff,
settings vectorizer.ClassSettings) error
VectorizeImage(ctx context.Context, image string) ([]float32, error)
}
type textVectorizer interface {
Texts(ctx context.Context, input []string,
settings vectorizer.ClassSettings) ([]float32, error)
MoveTo(source, target []float32, weight float32) ([]float32, error)
MoveAwayFrom(source, target []float32, weight float32) ([]float32, error)
CombineVectors(vectors [][]float32) []float32
}
func (m *ClipModule) Name() string {
return "multi2vec-clip"
}
func (m *ClipModule) Type() modulecapabilities.ModuleType {
return modulecapabilities.Multi2Vec
}
func (m *ClipModule) Init(ctx context.Context,
params moduletools.ModuleInitParams,
) error {
if err := m.initVectorizer(ctx, params.GetConfig().ModuleHttpClientTimeout, params.GetLogger()); err != nil {
return errors.Wrap(err, "init vectorizer")
}
if err := m.initNearImage(); err != nil {
return errors.Wrap(err, "init near text")
}
return nil
}
func (m *ClipModule) InitExtension(modules []modulecapabilities.Module) error {
for _, module := range modules {
if module.Name() == m.Name() {
continue
}
if arg, ok := module.(modulecapabilities.TextTransformers); ok {
if arg != nil && arg.TextTransformers() != nil {
m.nearTextTransformer = arg.TextTransformers()["nearText"]
}
}
}
if err := m.initNearText(); err != nil {
return errors.Wrap(err, "init near text")
}
return nil
}
func (m *ClipModule) initVectorizer(ctx context.Context, timeout time.Duration,
logger logrus.FieldLogger,
) error {
// TODO: proper config management
uri := os.Getenv("CLIP_INFERENCE_API")
if uri == "" {
return errors.Errorf("required variable CLIP_INFERENCE_API is not set")
}
client := clients.New(uri, timeout, logger)
if err := client.WaitForStartup(ctx, 1*time.Second); err != nil {
return errors.Wrap(err, "init remote vectorizer")
}
m.imageVectorizer = vectorizer.New(client)
m.textVectorizer = vectorizer.New(client)
m.metaClient = client
return nil
}
func (m *ClipModule) RootHandler() http.Handler {
// TODO: remove once this is a capability interface
return nil
}
func (m *ClipModule) VectorizeObject(ctx context.Context,
obj *models.Object, objDiff *moduletools.ObjectDiff, cfg moduletools.ClassConfig,
) error {
icheck := vectorizer.NewClassSettings(cfg)
return m.imageVectorizer.Object(ctx, obj, objDiff, icheck)
}
func (m *ClipModule) MetaInfo() (map[string]interface{}, error) {
return m.metaClient.MetaInfo()
}
func (m *ClipModule) VectorizeInput(ctx context.Context,
input string, cfg moduletools.ClassConfig,
) ([]float32, error) {
return m.textVectorizer.Texts(ctx, []string{input}, vectorizer.NewClassSettings(cfg))
}
// verify we implement the modules.Module interface
var (
_ = modulecapabilities.Module(New())
_ = modulecapabilities.Vectorizer(New())
_ = modulecapabilities.InputVectorizer(New())
)
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