feat: support arrays for prompt and input

Signed-off-by: mudler <mudler@mocaccino.org>

api/config.go

@@ -27,6 +27,8 @@ type Config struct {
 	MirostatETA    float64           `yaml:"mirostat_eta"`
 	MirostatTAU    float64           `yaml:"mirostat_tau"`
 	Mirostat       int               `yaml:"mirostat"`
+
+	PromptStrings, InputStrings []string
 }
 
 type TemplateConfig struct {

api/openai.go

@@ -75,8 +75,8 @@ type OpenAIRequest struct {
 	Prompt interface{} `json:"prompt" yaml:"prompt"`
 
 	// Edit endpoint
-	Instruction string `json:"instruction" yaml:"instruction"`
-	Input       string `json:"input" yaml:"input"`
+	Instruction string      `json:"instruction" yaml:"instruction"`
+	Input       interface{} `json:"input" yaml:"input"`
 
 	Stop interface{} `json:"stop" yaml:"stop"`
 
@@ -184,6 +184,30 @@ func updateConfig(config *Config, input *OpenAIRequest) {
 	if input.MirostatTAU != 0 {
 		config.MirostatTAU = input.MirostatTAU
 	}
+
+	switch inputs := input.Input.(type) {
+	case string:
+		if inputs != "" {
+			config.InputStrings = append(config.InputStrings, inputs)
+		}
+	case []interface{}:
+		for _, pp := range inputs {
+			if s, ok := pp.(string); ok {
+				config.InputStrings = append(config.InputStrings, s)
+			}
+		}
+	}
+
+	switch p := input.Prompt.(type) {
+	case string:
+		config.PromptStrings = append(config.PromptStrings, p)
+	case []interface{}:
+		for _, pp := range p {
+			if s, ok := pp.(string); ok {
+				config.PromptStrings = append(config.PromptStrings, s)
+			}
+		}
+	}
 }
 
 func readConfig(cm ConfigMerger, c *fiber.Ctx, loader *model.ModelLoader, debug bool, threads, ctx int, f16 bool) (*Config, *OpenAIRequest, error) {
@@ -268,19 +292,6 @@ func completionEndpoint(cm ConfigMerger, debug bool, loader *model.ModelLoader,
 
 		log.Debug().Msgf("Parameter Config: %+v", config)
 
-		predInput := []string{}
-
-		switch p := input.Prompt.(type) {
-		case string:
-			predInput = append(predInput, p)
-		case []interface{}:
-			for _, pp := range p {
-				if s, ok := pp.(string); ok {
-					predInput = append(predInput, s)
-				}
-			}
-		}
-
 		templateFile := config.Model
 
 		if config.TemplateConfig.Completion != "" {
@@ -288,7 +299,7 @@ func completionEndpoint(cm ConfigMerger, debug bool, loader *model.ModelLoader,
 		}
 
 		var result []Choice
-		for _, i := range predInput {
+		for _, i := range config.PromptStrings {
 			// A model can have a "file.bin.tmpl" file associated with a prompt template prefix
 			templatedInput, err := loader.TemplatePrefix(templateFile, struct {
 				Input string
@@ -331,20 +342,26 @@ func embeddingsEndpoint(cm ConfigMerger, debug bool, loader *model.ModelLoader,
 		}
 
 		log.Debug().Msgf("Parameter Config: %+v", config)
+		items := []Item{}
 
-		// get the model function to call for the result
-		embedFn, err := ModelEmbedding(input.Input, loader, *config)
-		if err != nil {
-			return err
+		for i, s := range config.InputStrings {
+
+			// get the model function to call for the result
+			embedFn, err := ModelEmbedding(s, loader, *config)
+			if err != nil {
+				return err
+			}
+
+			embeddings, err := embedFn()
+			if err != nil {
+				return err
+			}
+			items = append(items, Item{Embedding: embeddings, Index: i, Object: "embedding"})
 		}
 
-		embeddings, err := embedFn()
-		if err != nil {
-			return err
-		}
 		resp := &OpenAIResponse{
 			Model:  input.Model, // we have to return what the user sent here, due to OpenAI spec.
-			Data:   []Item{{Embedding: embeddings, Index: 0, Object: "embedding"}},
+			Data:   items,
 			Object: "list",
 		}
 
@@ -480,28 +497,32 @@ func editEndpoint(cm ConfigMerger, debug bool, loader *model.ModelLoader, thread
 
 		log.Debug().Msgf("Parameter Config: %+v", config)
 
-		predInput := input.Input
 		templateFile := config.Model
 
 		if config.TemplateConfig.Edit != "" {
 			templateFile = config.TemplateConfig.Edit
 		}
 
-		// A model can have a "file.bin.tmpl" file associated with a prompt template prefix
-		templatedInput, err := loader.TemplatePrefix(templateFile, struct {
-			Input       string
-			Instruction string
-		}{Input: predInput, Instruction: input.Instruction})
-		if err == nil {
-			predInput = templatedInput
-			log.Debug().Msgf("Template found, input modified to: %s", predInput)
-		}
+		var result []Choice
+		for _, i := range config.InputStrings {
+			// A model can have a "file.bin.tmpl" file associated with a prompt template prefix
+			templatedInput, err := loader.TemplatePrefix(templateFile, struct {
+				Input       string
+				Instruction string
+			}{Input: i})
+			if err == nil {
+				i = templatedInput
+				log.Debug().Msgf("Template found, input modified to: %s", i)
+			}
 
-		result, err := ComputeChoices(predInput, input, config, loader, func(s string, c *[]Choice) {
-			*c = append(*c, Choice{Text: s})
-		}, nil)
-		if err != nil {
-			return err
+			r, err := ComputeChoices(i, input, config, loader, func(s string, c *[]Choice) {
+				*c = append(*c, Choice{Text: s})
+			}, nil)
+			if err != nil {
+				return err
+			}
+
+			result = append(result, r...)
 		}
 
 		resp := &OpenAIResponse{

api/prediction.go

@@ -28,6 +28,7 @@ func defaultLLamaOpts(c Config) []llama.ModelOption {
 	if c.Embeddings {
 		llamaOpts = append(llamaOpts, llama.EnableEmbeddings)
 	}
+
 	return llamaOpts
 }