You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.6 KiB
Go
113 lines
3.6 KiB
Go
/*
|
|
* Copyright 2025 CloudWeGo Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package eino
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/RanFeng/ilog"
|
|
"github.com/cloudwego/eino/components/prompt"
|
|
"github.com/cloudwego/eino/compose"
|
|
"github.com/cloudwego/eino/schema"
|
|
|
|
"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/consts"
|
|
"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/infra"
|
|
"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/model"
|
|
)
|
|
|
|
func loadPlannerMsg(ctx context.Context, name string, opts ...any) (output []*schema.Message, err error) {
|
|
err = compose.ProcessState[*model.State](ctx, func(_ context.Context, state *model.State) error {
|
|
sysPrompt, err := infra.GetPromptTemplate(ctx, name)
|
|
if err != nil {
|
|
ilog.EventInfo(ctx, "get prompt template fail")
|
|
return err
|
|
}
|
|
|
|
var promptTemp *prompt.DefaultChatTemplate
|
|
if state.EnableBackgroundInvestigation && len(state.BackgroundInvestigationResults) > 0 {
|
|
promptTemp = prompt.FromMessages(schema.Jinja2,
|
|
schema.SystemMessage(sysPrompt),
|
|
schema.MessagesPlaceholder("user_input", true),
|
|
schema.UserMessage(fmt.Sprintf("background investigation results of user query: \n %s", state.BackgroundInvestigationResults)),
|
|
)
|
|
} else {
|
|
promptTemp = prompt.FromMessages(schema.Jinja2,
|
|
schema.SystemMessage(sysPrompt),
|
|
schema.MessagesPlaceholder("user_input", true),
|
|
)
|
|
}
|
|
|
|
variables := map[string]any{
|
|
"locale": state.Locale,
|
|
"max_step_num": state.MaxStepNum,
|
|
"max_plan_iterations": state.MaxPlanIterations,
|
|
"CURRENT_TIME": time.Now().Format("2006-01-02 15:04:05"),
|
|
"user_input": state.Messages,
|
|
}
|
|
output, err = promptTemp.Format(context.Background(), variables)
|
|
return err
|
|
})
|
|
return output, err
|
|
}
|
|
|
|
func routerPlanner(ctx context.Context, input *schema.Message, opts ...any) (output string, err error) {
|
|
err = compose.ProcessState[*model.State](ctx, func(_ context.Context, state *model.State) error {
|
|
defer func() {
|
|
output = state.Goto
|
|
}()
|
|
state.Goto = compose.END
|
|
state.CurrentPlan = &model.Plan{}
|
|
// TODO fix 一些 ```
|
|
err = json.Unmarshal([]byte(input.Content), state.CurrentPlan)
|
|
if err != nil {
|
|
ilog.EventInfo(ctx, "gen_plan_fail", "input.Content", input.Content, "err", err)
|
|
if state.PlanIterations > 0 {
|
|
state.Goto = consts.Reporter
|
|
return nil
|
|
}
|
|
return nil
|
|
}
|
|
ilog.EventInfo(ctx, "gen_plan_ok", "plan", state.CurrentPlan)
|
|
state.PlanIterations++
|
|
if state.CurrentPlan.HasEnoughContext {
|
|
state.Goto = consts.Reporter
|
|
return nil
|
|
}
|
|
|
|
state.Goto = consts.Human // TODO 改成 human_feedback
|
|
return nil
|
|
})
|
|
return output, nil
|
|
}
|
|
|
|
func NewPlanner[I, O any](ctx context.Context) *compose.Graph[I, O] {
|
|
cag := compose.NewGraph[I, O]()
|
|
|
|
_ = cag.AddLambdaNode("load", compose.InvokableLambdaWithOption(loadPlannerMsg))
|
|
_ = cag.AddChatModelNode("agent", infra.PlanModel)
|
|
_ = cag.AddLambdaNode("router", compose.InvokableLambdaWithOption(routerPlanner))
|
|
|
|
_ = cag.AddEdge(compose.START, "load")
|
|
_ = cag.AddEdge("load", "agent")
|
|
_ = cag.AddEdge("agent", "router")
|
|
_ = cag.AddEdge("router", compose.END)
|
|
return cag
|
|
}
|