feat: add ability to list models from providers

.github/workflows/run_tests.yaml

@@ -49,7 +49,6 @@ jobs:
       - name: Install gptscript
         run: |
           curl https://get.gptscript.ai/releases/default_windows_amd64_v1/gptscript.exe -o gptscript.exe
-      - name: Create config file
       - name: Run Tests
         env:
           GPTSCRIPT_BIN: .\gptscript.exe

gptscript.go

@@ -28,8 +28,8 @@ var (
 const relativeToBinaryPath = "<me>"
 
 type GPTScript struct {
-	url       string
-	globalEnv []string
+	url        string
+	globalOpts GlobalOptions
 }
 
 func NewGPTScript(opts ...GlobalOptions) (*GPTScript, error) {
@@ -40,7 +40,7 @@ func NewGPTScript(opts ...GlobalOptions) (*GPTScript, error) {
 
 	disableServer := os.Getenv("GPTSCRIPT_DISABLE_SERVER") == "true"
 
-	if serverURL == "" && disableServer {
+	if serverURL == "" {
 		serverURL = os.Getenv("GPTSCRIPT_URL")
 	}
 
@@ -96,11 +96,8 @@ func NewGPTScript(opts ...GlobalOptions) (*GPTScript, error) {
 		serverURL = strings.TrimSpace(serverURL)
 	}
 	g := &GPTScript{
-		url: "http://" + serverURL,
-	}
-
-	if disableServer {
-		g.globalEnv = opt.Env[:]
+		url:        "http://" + serverURL,
+		globalOpts: opt,
 	}
 
 	return g, nil
@@ -132,7 +129,7 @@ func (g *GPTScript) Close() {
 }
 
 func (g *GPTScript) Evaluate(ctx context.Context, opts Options, tools ...ToolDef) (*Run, error) {
-	opts.Env = append(g.globalEnv, opts.Env...)
+	opts.GlobalOptions = completeGlobalOptions(g.globalOpts, opts.GlobalOptions)
 	return (&Run{
 		url:         g.url,
 		requestPath: "evaluate",
@@ -143,7 +140,7 @@ func (g *GPTScript) Evaluate(ctx context.Context, opts Options, tools ...ToolDef
 }
 
 func (g *GPTScript) Run(ctx context.Context, toolPath string, opts Options) (*Run, error) {
-	opts.Env = append(g.globalEnv, opts.Env...)
+	opts.GlobalOptions = completeGlobalOptions(g.globalOpts, opts.GlobalOptions)
 	return (&Run{
 		url:         g.url,
 		requestPath: "run",
@@ -281,9 +278,28 @@ func (g *GPTScript) ListTools(ctx context.Context) (string, error) {
 	return out, nil
 }
 
+type ListModelsOptions struct {
+	Providers           []string
+	CredentialOverrides []string
+}
+
 // ListModels will list all the available models.
-func (g *GPTScript) ListModels(ctx context.Context) ([]string, error) {
-	out, err := g.runBasicCommand(ctx, "list-models", nil)
+func (g *GPTScript) ListModels(ctx context.Context, opts ...ListModelsOptions) ([]string, error) {
+	var o ListModelsOptions
+	for _, opt := range opts {
+		o.Providers = append(o.Providers, opt.Providers...)
+		o.CredentialOverrides = append(o.CredentialOverrides, opt.CredentialOverrides...)
+	}
+
+	if g.globalOpts.DefaultModelProvider != "" {
+		o.Providers = append(o.Providers, g.globalOpts.DefaultModelProvider)
+	}
+
+	out, err := g.runBasicCommand(ctx, "list-models", map[string]any{
+		"providers":           o.Providers,
+		"env":                 g.globalOpts.Env,
+		"credentialOverrides": o.CredentialOverrides,
+	})
 	if err != nil {
 		return nil, err
 	}

gptscript_test.go

@@ -19,14 +19,22 @@ func TestMain(m *testing.M) {
 		panic("OPENAI_API_KEY or GPTSCRIPT_URL environment variable must be set")
 	}
 
-	var err error
+	// Start an initial GPTScript instance.
+	// This one doesn't have any options, but it's there to ensure that using another instance works as expected in all cases.
+	gFirst, err := NewGPTScript(GlobalOptions{})
+	if err != nil {
+		panic(fmt.Sprintf("error creating gptscript: %s", err))
+	}
+
 	g, err = NewGPTScript(GlobalOptions{OpenAIAPIKey: os.Getenv("OPENAI_API_KEY")})
 	if err != nil {
+		gFirst.Close()
 		panic(fmt.Sprintf("error creating gptscript: %s", err))
 	}
 
 	exitCode := m.Run()
 	g.Close()
+	gFirst.Close()
 	os.Exit(exitCode)
 }
 
@@ -80,6 +88,59 @@ func TestListModels(t *testing.T) {
 	}
 }
 
+func TestListModelsWithProvider(t *testing.T) {
+	if os.Getenv("ANTHROPIC_API_KEY") == "" {
+		t.Skip("ANTHROPIC_API_KEY not set")
+	}
+	models, err := g.ListModels(context.Background(), ListModelsOptions{
+		Providers:           []string{"github.com/gptscript-ai/claude3-anthropic-provider"},
+		CredentialOverrides: []string{"github.com/gptscript-ai/claude3-anthropic-provider/credential:ANTHROPIC_API_KEY"},
+	})
+	if err != nil {
+		t.Errorf("Error listing models: %v", err)
+	}
+
+	if len(models) == 0 {
+		t.Error("No models found")
+	}
+
+	for _, model := range models {
+		if !strings.HasPrefix(model, "claude-3-") || !strings.HasSuffix(model, "from github.com/gptscript-ai/claude3-anthropic-provider") {
+			t.Errorf("Unexpected model name: %s", model)
+		}
+	}
+}
+
+func TestListModelsWithDefaultProvider(t *testing.T) {
+	if os.Getenv("ANTHROPIC_API_KEY") == "" {
+		t.Skip("ANTHROPIC_API_KEY not set")
+	}
+	g, err := NewGPTScript(GlobalOptions{
+		DefaultModelProvider: "github.com/gptscript-ai/claude3-anthropic-provider",
+	})
+	if err != nil {
+		t.Fatalf("Error creating gptscript: %v", err)
+	}
+	defer g.Close()
+
+	models, err := g.ListModels(context.Background(), ListModelsOptions{
+		CredentialOverrides: []string{"github.com/gptscript-ai/claude3-anthropic-provider/credential:ANTHROPIC_API_KEY"},
+	})
+	if err != nil {
+		t.Errorf("Error listing models: %v", err)
+	}
+
+	if len(models) == 0 {
+		t.Error("No models found")
+	}
+
+	for _, model := range models {
+		if !strings.HasPrefix(model, "claude-3-") || !strings.HasSuffix(model, "from github.com/gptscript-ai/claude3-anthropic-provider") {
+			t.Errorf("Unexpected model name: %s", model)
+		}
+	}
+}
+
 func TestAbortRun(t *testing.T) {
 	tool := ToolDef{Instructions: "What is the capital of the united states?"}