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refactor(go/plugins/googlegenai): update plugin structure #4414
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| // Copyright 2025 Google LLC | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package googlegenai | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/firebase/genkit/go/ai" | ||
| "github.com/firebase/genkit/go/core" | ||
| "github.com/firebase/genkit/go/core/api" | ||
| "google.golang.org/genai" | ||
| ) | ||
|
|
||
| // ListActions lists all the actions supported by the Google AI plugin. | ||
| func (ga *GoogleAI) ListActions(ctx context.Context) []api.ActionDesc { | ||
| return listActions(ctx, ga.gclient, googleAIProvider) | ||
| } | ||
|
|
||
| // ListActions lists all the actions supported by the Vertex AI plugin. | ||
| func (v *VertexAI) ListActions(ctx context.Context) []api.ActionDesc { | ||
| return listActions(ctx, v.gclient, vertexAIProvider) | ||
| } | ||
|
|
||
| // listActions is the shared implementation for listing actions. | ||
| func listActions(ctx context.Context, client *genai.Client, provider string) []api.ActionDesc { | ||
| models, err := listGenaiModels(ctx, client) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
|
|
||
| actions := []api.ActionDesc{} | ||
|
|
||
| // Gemini models | ||
| for _, name := range models.gemini { | ||
| opts := GetModelOptions(name, provider) | ||
| model := newModel(client, name, opts) | ||
| if actionDef, ok := model.(api.Action); ok { | ||
| actions = append(actions, actionDef.Desc()) | ||
| } | ||
| } | ||
|
|
||
| // Imagen models | ||
| for _, name := range models.imagen { | ||
| opts := GetModelOptions(name, provider) | ||
| model := newModel(client, name, opts) | ||
| if actionDef, ok := model.(api.Action); ok { | ||
| actions = append(actions, actionDef.Desc()) | ||
| } | ||
| } | ||
|
|
||
| // Veo models (background models) | ||
| for _, name := range models.veo { | ||
| opts := GetModelOptions(name, provider) | ||
| veoModel := newVeoModel(client, name, opts) | ||
| if actionDef, ok := veoModel.(api.Action); ok { | ||
| actions = append(actions, actionDef.Desc()) | ||
| } | ||
| } | ||
|
|
||
| // Embedders | ||
| for _, name := range models.embedders { | ||
| opts := GetEmbedderOptions(name, provider) | ||
| embedder := newEmbedder(client, name, &opts) | ||
| if actionDef, ok := embedder.(api.Action); ok { | ||
| actions = append(actions, actionDef.Desc()) | ||
| } | ||
| } | ||
|
|
||
| return actions | ||
| } | ||
|
|
||
| // ResolveAction resolves an action with the given name. | ||
| func (ga *GoogleAI) ResolveAction(atype api.ActionType, name string) api.Action { | ||
| return resolveAction(ga.gclient, googleAIProvider, atype, name) | ||
| } | ||
|
|
||
| // ResolveAction resolves an action with the given name. | ||
| func (v *VertexAI) ResolveAction(atype api.ActionType, name string) api.Action { | ||
| return resolveAction(v.gclient, vertexAIProvider, atype, name) | ||
| } | ||
|
|
||
| // resolveAction is the shared implementation for resolving actions. | ||
| func resolveAction(client *genai.Client, provider string, atype api.ActionType, name string) api.Action { | ||
| mt := ClassifyModel(name) | ||
|
|
||
| switch atype { | ||
| case api.ActionTypeEmbedder: | ||
| opts := GetEmbedderOptions(name, provider) | ||
| return newEmbedder(client, name, &opts).(api.Action) | ||
|
|
||
| case api.ActionTypeModel: | ||
| // Veo models should not be resolved as regular models | ||
| if mt == ModelTypeVeo { | ||
| return nil | ||
| } | ||
| opts := GetModelOptions(name, provider) | ||
| opts.ConfigSchema = configToMap(mt.DefaultConfig()) | ||
| return newModel(client, name, opts).(api.Action) | ||
|
|
||
| case api.ActionTypeBackgroundModel: | ||
| if mt != ModelTypeVeo { | ||
| return nil | ||
| } | ||
| return createVeoBackgroundAction(client, name, provider) | ||
|
|
||
| case api.ActionTypeCheckOperation: | ||
| if mt != ModelTypeVeo { | ||
| return nil | ||
| } | ||
| return createVeoCheckAction(client, name, provider) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // createVeoBackgroundAction creates a background model action for Veo. | ||
| func createVeoBackgroundAction(client *genai.Client, name, provider string) api.Action { | ||
| opts := GetModelOptions(name, provider) | ||
| veoModel := newVeoModel(client, name, opts) | ||
| actionName := fmt.Sprintf("%s/%s", provider, name) | ||
|
|
||
| return core.NewAction(actionName, api.ActionTypeBackgroundModel, nil, nil, | ||
| func(ctx context.Context, input *ai.ModelRequest) (*core.Operation[*ai.ModelResponse], error) { | ||
| op, err := veoModel.Start(ctx, input) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| op.Action = api.KeyFromName(api.ActionTypeBackgroundModel, actionName) | ||
| return op, nil | ||
| }) | ||
| } | ||
|
|
||
| // createVeoCheckAction creates a check operation action for Veo. | ||
| func createVeoCheckAction(client *genai.Client, name, provider string) api.Action { | ||
| opts := GetModelOptions(name, provider) | ||
| veoModel := newVeoModel(client, name, opts) | ||
| actionName := fmt.Sprintf("%s/%s", provider, name) | ||
|
|
||
| return core.NewAction(actionName, api.ActionTypeCheckOperation, | ||
| map[string]any{"description": fmt.Sprintf("Check status of %s operation", name)}, nil, | ||
| func(ctx context.Context, op *core.Operation[*ai.ModelResponse]) (*core.Operation[*ai.ModelResponse], error) { | ||
| updatedOp, err := veoModel.Check(ctx, op) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| updatedOp.Action = api.KeyFromName(api.ActionTypeBackgroundModel, actionName) | ||
| return updatedOp, nil | ||
| }) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| // Copyright 2025 Google LLC | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package googlegenai | ||
|
|
||
| import ( | ||
| "github.com/firebase/genkit/go/ai" | ||
| ) | ||
|
|
||
| // CodeExecutionResult represents the result of a code execution. | ||
| type CodeExecutionResult struct { | ||
| Outcome string `json:"outcome"` | ||
| Output string `json:"output"` | ||
| } | ||
|
|
||
| // ExecutableCode represents executable code. | ||
| type ExecutableCode struct { | ||
| Language string `json:"language"` | ||
| Code string `json:"code"` | ||
| } | ||
|
|
||
| // newCodeExecutionResultPart returns a Part containing the result of code execution. | ||
| // This is internal and used by translateCandidate. | ||
| func newCodeExecutionResultPart(outcome string, output string) *ai.Part { | ||
| return ai.NewCustomPart(map[string]any{ | ||
| "codeExecutionResult": map[string]any{ | ||
| "outcome": outcome, | ||
| "output": output, | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| // newExecutableCodePart returns a Part containing executable code. | ||
| // This is internal and used by translateCandidate. | ||
| func newExecutableCodePart(language string, code string) *ai.Part { | ||
| return ai.NewCustomPart(map[string]any{ | ||
| "executableCode": map[string]any{ | ||
| "language": language, | ||
| "code": code, | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| // ToCodeExecutionResult tries to convert an ai.Part to a CodeExecutionResult. | ||
| // Returns nil if the part doesn't contain code execution results. | ||
| func ToCodeExecutionResult(part *ai.Part) *CodeExecutionResult { | ||
| if !part.IsCustom() { | ||
| return nil | ||
| } | ||
|
|
||
| codeExec, ok := part.Custom["codeExecutionResult"] | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
|
||
| result, ok := codeExec.(map[string]any) | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
|
||
| outcome, _ := result["outcome"].(string) | ||
| output, _ := result["output"].(string) | ||
|
|
||
| return &CodeExecutionResult{ | ||
| Outcome: outcome, | ||
| Output: output, | ||
| } | ||
| } | ||
|
|
||
| // ToExecutableCode tries to convert an ai.Part to an ExecutableCode. | ||
| // Returns nil if the part doesn't contain executable code. | ||
| func ToExecutableCode(part *ai.Part) *ExecutableCode { | ||
| if !part.IsCustom() { | ||
| return nil | ||
| } | ||
|
|
||
| execCode, ok := part.Custom["executableCode"] | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
|
||
| code, ok := execCode.(map[string]any) | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
|
||
| language, _ := code["language"].(string) | ||
| codeStr, _ := code["code"].(string) | ||
|
|
||
| return &ExecutableCode{ | ||
| Language: language, | ||
| Code: codeStr, | ||
| } | ||
| } | ||
|
|
||
| // HasCodeExecution checks if a message contains code execution results or executable code. | ||
| func HasCodeExecution(msg *ai.Message) bool { | ||
| return GetCodeExecutionResult(msg) != nil || GetExecutableCode(msg) != nil | ||
| } | ||
|
|
||
| // GetExecutableCode returns the first executable code from a message. | ||
| // Returns nil if the message doesn't contain executable code. | ||
| func GetExecutableCode(msg *ai.Message) *ExecutableCode { | ||
| for _, part := range msg.Content { | ||
| if code := ToExecutableCode(part); code != nil { | ||
| return code | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // GetCodeExecutionResult returns the first code execution result from a message. | ||
| // Returns nil if the message doesn't contain a code execution result. | ||
| func GetCodeExecutionResult(msg *ai.Message) *CodeExecutionResult { | ||
| for _, part := range msg.Content { | ||
| if result := ToCodeExecutionResult(part); result != nil { | ||
| return result | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Copyright 2025 Google LLC | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package googlegenai | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/firebase/genkit/go/ai" | ||
| "github.com/firebase/genkit/go/core" | ||
| "github.com/firebase/genkit/go/core/api" | ||
| "google.golang.org/genai" | ||
| ) | ||
|
|
||
| // newEmbedder creates an embedder without registering it. | ||
| func newEmbedder(client *genai.Client, name string, embedOpts *ai.EmbedderOptions) ai.Embedder { | ||
| provider := googleAIProvider | ||
| if client.ClientConfig().Backend == genai.BackendVertexAI { | ||
| provider = vertexAIProvider | ||
| } | ||
|
|
||
| if embedOpts.ConfigSchema == nil { | ||
| embedOpts.ConfigSchema = core.InferSchemaMap(genai.EmbedContentConfig{}) | ||
| } | ||
|
|
||
| return ai.NewEmbedder(api.NewName(provider, name), embedOpts, func(ctx context.Context, req *ai.EmbedRequest) (*ai.EmbedResponse, error) { | ||
| var content []*genai.Content | ||
| var embedConfig *genai.EmbedContentConfig | ||
|
|
||
| if config, ok := req.Options.(*genai.EmbedContentConfig); ok { | ||
| embedConfig = config | ||
| } | ||
|
|
||
| for _, doc := range req.Input { | ||
| parts, err := toGeminiParts(doc.Content) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| content = append(content, &genai.Content{ | ||
| Parts: parts, | ||
| }) | ||
| } | ||
|
|
||
| r, err := genai.Models.EmbedContent(*client.Models, ctx, name, content, embedConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var res ai.EmbedResponse | ||
| for _, emb := range r.Embeddings { | ||
| res.Embeddings = append(res.Embeddings, &ai.Embedding{Embedding: emb.Values}) | ||
| } | ||
| return &res, nil | ||
| }) | ||
| } |
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