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107 lines
3.0 KiB
Go
107 lines
3.0 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 debug
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import (
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"context"
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"github.com/cloudwego/eino/callbacks"
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"github.com/cloudwego/eino/components"
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"github.com/cloudwego/eino/components/model"
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"github.com/cloudwego/eino/schema"
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)
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type options struct {
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debugMode bool
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debugOutput *schema.Message
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}
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func WithDebugOutput(output *schema.Message) model.Option {
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return model.WrapImplSpecificOptFn(func(opts *options) {
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opts.debugMode = true
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opts.debugOutput = output
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})
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}
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// ChatModelDebugDecorator 给内部的 ChatModel 提供单次 Mock 输出的能力.
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type ChatModelDebugDecorator struct {
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Model model.ChatModel
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}
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func (c *ChatModelDebugDecorator) Generate(ctx context.Context, input []*schema.Message, opts ...model.Option) (*schema.Message, error) {
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option := model.GetImplSpecificOptions(&options{}, opts...)
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if option.debugMode {
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if c.IsCallbacksEnabled() {
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ctx = callbacks.OnStart(ctx, &model.CallbackInput{
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Messages: input,
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})
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callbacks.OnEnd(ctx, &model.CallbackOutput{
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Message: option.debugOutput,
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})
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}
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return option.debugOutput, nil
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}
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return c.Model.Generate(ctx, input, opts...)
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}
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func (c *ChatModelDebugDecorator) Stream(ctx context.Context, input []*schema.Message, opts ...model.Option) (*schema.StreamReader[*schema.Message], error) {
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option := model.GetImplSpecificOptions(&options{}, opts...)
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if option.debugMode {
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callbackEnabled := c.IsCallbacksEnabled()
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if callbackEnabled {
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ctx = callbacks.OnStart(ctx, &model.CallbackInput{
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Messages: input,
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})
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}
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sr, sw := schema.Pipe[*schema.Message](0)
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go func() {
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defer sw.Close()
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sw.Send(option.debugOutput, nil)
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}()
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if callbackEnabled {
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outStream := schema.StreamReaderWithConvert(sr, func(m *schema.Message) (*model.CallbackOutput, error) {
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return &model.CallbackOutput{
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Message: m,
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}, nil
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})
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_, outStream = callbacks.OnEndWithStreamOutput(ctx, outStream)
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sr = schema.StreamReaderWithConvert(outStream, func(o *model.CallbackOutput) (*schema.Message, error) {
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return o.Message, nil
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})
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}
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return sr, nil
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}
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return c.Model.Stream(ctx, input, opts...)
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}
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func (c *ChatModelDebugDecorator) BindTools(tools []*schema.ToolInfo) error {
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return c.Model.BindTools(tools)
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}
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// IsCallbacksEnabled 透出内部的 ChatModel 是否已埋入了回调切面.
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func (c *ChatModelDebugDecorator) IsCallbacksEnabled() bool {
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checker, ok := c.Model.(components.Checker)
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if ok {
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return checker.IsCallbacksEnabled()
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}
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return false
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}
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