github.com/instill-ai/component@v0.16.0-beta/pkg/connector/instill/v0/keypoint_detection.go (about)

     1  package instill
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  
     7  	"google.golang.org/grpc/metadata"
     8  	"google.golang.org/protobuf/encoding/protojson"
     9  	"google.golang.org/protobuf/types/known/structpb"
    10  
    11  	"github.com/instill-ai/component/pkg/base"
    12  	modelPB "github.com/instill-ai/protogen-go/model/model/v1alpha"
    13  )
    14  
    15  func (e *execution) executeKeyPointDetection(grpcClient modelPB.ModelPublicServiceClient, modelName string, inputs []*structpb.Struct) ([]*structpb.Struct, error) {
    16  	if len(inputs) <= 0 {
    17  		return nil, fmt.Errorf("invalid input: %v for model: %s", inputs, modelName)
    18  	}
    19  	taskInputs := []*modelPB.TaskInput{}
    20  	for _, input := range inputs {
    21  		inputJSON, err := protojson.Marshal(input)
    22  		if err != nil {
    23  			return nil, err
    24  		}
    25  		keypointInput := &modelPB.KeypointInput{}
    26  		err = protojson.UnmarshalOptions{DiscardUnknown: true}.Unmarshal(inputJSON, keypointInput)
    27  		if err != nil {
    28  			return nil, err
    29  		}
    30  		keypointInput.Type = &modelPB.KeypointInput_ImageBase64{
    31  			ImageBase64: base.TrimBase64Mime(keypointInput.GetImageBase64()),
    32  		}
    33  
    34  		taskInput := &modelPB.TaskInput_Keypoint{
    35  			Keypoint: keypointInput,
    36  		}
    37  		taskInputs = append(taskInputs, &modelPB.TaskInput{Input: taskInput})
    38  	}
    39  
    40  	req := modelPB.TriggerUserModelRequest{
    41  		Name:       modelName,
    42  		TaskInputs: taskInputs,
    43  	}
    44  	ctx := metadata.NewOutgoingContext(context.Background(), getRequestMetadata(e.SystemVariables))
    45  	res, err := grpcClient.TriggerUserModel(ctx, &req)
    46  	if err != nil || res == nil {
    47  		return nil, err
    48  	}
    49  	taskOutputs := res.GetTaskOutputs()
    50  	if len(taskOutputs) <= 0 {
    51  		return nil, fmt.Errorf("invalid output: %v for model: %s", taskOutputs, modelName)
    52  	}
    53  	outputs := []*structpb.Struct{}
    54  	for idx := range inputs {
    55  		keyPointOutput := taskOutputs[idx].GetKeypoint()
    56  		if keyPointOutput == nil {
    57  			return nil, fmt.Errorf("invalid output: %v for model: %s", keyPointOutput, modelName)
    58  		}
    59  		outputJSON, err := protojson.MarshalOptions{
    60  			UseProtoNames:   true,
    61  			EmitUnpopulated: true,
    62  		}.Marshal(keyPointOutput)
    63  		if err != nil {
    64  			return nil, err
    65  		}
    66  		output := &structpb.Struct{}
    67  		err = protojson.Unmarshal(outputJSON, output)
    68  		if err != nil {
    69  			return nil, err
    70  		}
    71  		outputs = append(outputs, output)
    72  
    73  	}
    74  
    75  	return outputs, nil
    76  }