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package main
import ( "context" "fmt" "io" "log" "os" "time" "github.com/cloudwego/eino-ext/components/model/deepseek" "github.com/cloudwego/eino/adk" "github.com/cloudwego/eino/components/tool" "github.com/cloudwego/eino/components/tool/utils" "github.com/cloudwego/eino/compose" "github.com/cloudwego/eino/schema" "github.com/joho/godotenv" )
func main() { if err := godotenv.Load(".env"); err != nil { panic(err) }
ctx, cancel := context.WithCancel(context.Background()) defer cancel()
chatModel, err := deepseek.NewChatModel(ctx, &deepseek.ChatModelConfig{ APIKey: os.Getenv("DEEPSEEK_API_KEY"), BaseURL: os.Getenv("DEEPSEEK_BASE_URL"), Model: os.Getenv("DEEPSEEK_MODEL"), }) if err != nil { log.Fatalf("newChatModel err: %v", err) }
timeTool := utils.NewTool( &schema.ToolInfo{ Name: "get_current_time", Desc: "获取服务器当前时间", ParamsOneOf: schema.NewParamsOneOfByParams(map[string]*schema.ParameterInfo{}), }, func(ctx context.Context, params map[string]any) (string, error) { return time.Now().Format(time.DateTime), nil }, )
agent, err := adk.NewChatModelAgent(ctx, &adk.ChatModelAgentConfig{ Name: "hqd8080", Description: "你是一位友好的 AI 助手", Instruction: "你是一位人工智能助手,请用简洁明了的方式回答问题", Model: chatModel, ToolsConfig: adk.ToolsConfig{ ToolsNodeConfig: compose.ToolsNodeConfig{ Tools: []tool.BaseTool{timeTool}, }, }, MaxIterations: 10, }) if err != nil { log.Fatalf("newChatModelAgent err:%v", err) }
runner := adk.NewRunner(ctx, adk.RunnerConfig{ Agent: agent, EnableStreaming: true, })
query := "你好,请介绍一下 deepseek!、现在几点了?" contentCh := make(chan string) errCh := make(chan error)
go func() { defer close(contentCh) defer close(errCh) iter := runner.Query(ctx, query) for { event, ok := iter.Next() if !ok { break } if event.Err != nil { errCh <- event.Err return } if event.Output != nil && event.Output.MessageOutput != nil { if event.Output.MessageOutput.IsStreaming { stream := event.Output.MessageOutput.MessageStream for { msg, err := stream.Recv() if err != nil { if err == io.EOF { break } errCh <- fmt.Errorf("failed to recv message: %w", err) return } if msg != nil && msg.Content != "" { contentCh <- msg.Content } } } } } }()
for { select { case content, ok := <-contentCh: if !ok { err, ok := <-errCh if ok && err != nil { log.Fatalf("query err: %v", err) } return } fmt.Print(content) case err, ok := <-errCh: if ok && err != nil { log.Fatalf("query err: %v", err) } } } }
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