wip

example/webui/actions_custom.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"reflect"
+
+	"github.com/mudler/local-agent-framework/action"
+	"github.com/sashabaranov/go-openai/jsonschema"
+	"github.com/traefik/yaegi/interp"
+	"github.com/traefik/yaegi/stdlib"
+	"jaytaylor.com/html2text"
+)
+
+func NewCustom(config map[string]string) *CustomAction {
+
+	return &CustomAction{
+		config: config,
+	}
+}
+
+type CustomAction struct {
+	config map[string]string
+	i      *interp.Interpreter
+	code   *reflect.Value
+}
+
+func (a *CustomAction) initializeInterpreter() error {
+	if _, exists := a.config["code"]; exists && a.i == nil {
+		i := interp.New(interp.Options{GoPath: "./_pkg"})
+		if err := i.Use(stdlib.Symbols); err != nil {
+			return err
+		}
+
+		_, err := i.Eval(a.config["code"])
+		if err != nil {
+			return err
+		}
+
+		a.i = i
+
+	}
+
+	return nil
+}
+
+func (a *CustomAction) Run(ctx context.Context, params action.ActionParams) (string, error) {
+
+	result := struct {
+		URL string `json:"url"`
+	}{}
+	err := params.Unmarshal(&result)
+	if err != nil {
+		fmt.Printf("error: %v", err)
+
+		return "", err
+	}
+	// download page with http.Client
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", result.URL, nil)
+	if err != nil {
+		return "", err
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	pagebyte, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	rendered, err := html2text.FromString(string(pagebyte), html2text.Options{PrettyTables: true})
+
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("The webpage '%s' content is:\n%s", result.URL, rendered), nil
+}
+
+func (a *CustomAction) Definition() action.ActionDefinition {
+	return action.ActionDefinition{
+		Name:        action.ActionDefinitionName(a.config["name"]),
+		Description: a.config["description"],
+		Properties: map[string]jsonschema.Definition{
+			"url": {
+				Type:        jsonschema.String,
+				Description: "The website URL.",
+			},
+		},
+		Required: []string{"url"},
+	}
+}

go.mod

@@ -20,6 +20,7 @@ require (
 	github.com/sashabaranov/go-openai v1.18.3
 	github.com/slack-go/slack v0.12.5
 	github.com/tmc/langchaingo v0.1.8
+	github.com/traefik/yaegi v0.16.1
 	github.com/valyala/fasthttp v1.52.0
 	jaytaylor.com/html2text v0.0.0-20230321000545-74c2419ad056
 )

go.sum

@@ -139,6 +139,8 @@ github.com/temoto/robotstxt v1.1.2 h1:W2pOjSJ6SWvldyEuiFXNxz3xZ8aiWX5LbfDiOFd7Fx
 github.com/temoto/robotstxt v1.1.2/go.mod h1:+1AmkuG3IYkh1kv0d2qEB9Le88ehNO0zwOr3ujewlOo=
 github.com/tmc/langchaingo v0.1.8 h1:nrImgh0aWdu3stJTHz80N60WGwPWY8HXCK10gQny7bA=
 github.com/tmc/langchaingo v0.1.8/go.mod h1:iNBfS9e6jxBKsJSPWnlqNhoVWgdA3D1g5cdFJjbIZNQ=
+github.com/traefik/yaegi v0.16.1 h1:f1De3DVJqIDKmnasUF6MwmWv1dSEEat0wcpXhD2On3E=
+github.com/traefik/yaegi v0.16.1/go.mod h1:4eVhbPb3LnD2VigQjhYbEJ69vDRFdT2HQNrXx8eEwUY=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasthttp v1.52.0 h1:wqBQpxH71XW0e2g+Og4dzQM8pk34aFYlA1Ga8db7gU0=