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91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
/*
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* Copyright 2025 CloudWeGo Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package model
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import (
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"context"
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"fmt"
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"log"
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"os"
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"strings"
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"time"
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"github.com/cloudwego/eino-ext/components/model/ark"
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"github.com/cloudwego/eino-ext/components/model/openai"
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"github.com/cloudwego/eino/callbacks"
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"github.com/cloudwego/eino/components/model"
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cbutils "github.com/cloudwego/eino/utils/callbacks"
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arkModel "github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
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)
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func NewChatModel() model.ToolCallingChatModel {
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modelType := strings.ToLower(os.Getenv("MODEL_TYPE"))
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// Create Ark ChatModel when MODEL_TYPE is "ark"
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if modelType == "ark" {
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cm, err := ark.NewChatModel(context.Background(), &ark.ChatModelConfig{
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// Add Ark-specific configuration from environment variables
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APIKey: os.Getenv("ARK_API_KEY"),
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Model: os.Getenv("ARK_MODEL"),
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BaseURL: os.Getenv("ARK_BASE_URL"),
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Thinking: &arkModel.Thinking{
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Type: arkModel.ThinkingTypeDisabled,
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},
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})
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if err != nil {
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log.Fatalf("ark.NewChatModel failed: %v", err)
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}
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return cm
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}
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// Create OpenAI ChatModel (default)
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cm, err := openai.NewChatModel(context.Background(), &openai.ChatModelConfig{
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APIKey: os.Getenv("OPENAI_API_KEY"),
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Model: os.Getenv("OPENAI_MODEL"),
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BaseURL: os.Getenv("OPENAI_BASE_URL"),
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ByAzure: func() bool {
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return os.Getenv("OPENAI_BY_AZURE") == "true"
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}(),
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})
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if err != nil {
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log.Fatalf("openai.NewChatModel failed: %v", err)
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}
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return cm
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}
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func GetInputLoggerCallback() callbacks.Handler {
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return cbutils.NewHandlerHelper().ChatModel(&cbutils.ModelCallbackHandler{
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OnStart: func(ctx context.Context, info *callbacks.RunInfo, input *model.CallbackInput) context.Context {
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time.Sleep(20 * time.Second)
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fmt.Printf("\n========================================\n")
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fmt.Printf("[ChatModel Input] Agent: %s\n", info.Name)
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fmt.Printf("========================================\n")
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for i, msg := range input.Messages {
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fmt.Printf(" Message %d [%s]: %s\n", i+1, msg.Role, msg.Content)
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if len(msg.ToolCalls) > 0 {
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fmt.Printf(" Tool Calls: %d\n", len(msg.ToolCalls))
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for j, tc := range msg.ToolCalls {
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fmt.Printf(" %d. %s: %s\n", j+1, tc.Function.Name, tc.Function.Arguments)
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}
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}
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}
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fmt.Printf("========================================\n\n")
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return ctx
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},
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}).Handler()
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}
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