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.
95 lines
3.5 KiB
Go
95 lines
3.5 KiB
Go
/*
|
|
* Copyright 2024 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 main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/cloudwego/eino/callbacks"
|
|
"github.com/cloudwego/eino/components"
|
|
"github.com/cloudwego/eino/components/model"
|
|
"github.com/cloudwego/eino/components/tool"
|
|
"github.com/cloudwego/eino/schema"
|
|
)
|
|
|
|
func newLogHandler() callbacks.Handler {
|
|
builder := callbacks.NewHandlerBuilder()
|
|
builder.
|
|
OnStartFn(func(ctx context.Context, info *callbacks.RunInfo, input callbacks.CallbackInput) context.Context {
|
|
if info.Component == components.ComponentOfTool {
|
|
tci := tool.ConvCallbackInput(input)
|
|
fmt.Printf("\033[32m[callback]: start [%s:%s:%s] input: %v\033[0m\n", info.Component, info.Type, info.Name, tci.ArgumentsInJSON)
|
|
} else {
|
|
fmt.Printf("\033[32m[callback]: start [%s:%s:%s]running...\033[0m\n", info.Component, info.Type, info.Name)
|
|
}
|
|
return ctx
|
|
}).
|
|
OnEndFn(func(ctx context.Context, info *callbacks.RunInfo, output callbacks.CallbackOutput) context.Context {
|
|
if info.Component == components.ComponentOfTool {
|
|
tco := tool.ConvCallbackOutput(output)
|
|
fmt.Printf("\033[32m[callback]: end [%s:%s:%s] result: %v\033[0m\n", info.Component, info.Type, info.Name, tco.Response)
|
|
} else if info.Component == components.ComponentOfChatModel {
|
|
cco := model.ConvCallbackOutput(output)
|
|
fmt.Printf("\033[32m[callback]: end [%s:%s:%s] output: %s\033[0m\n", info.Component, info.Type, info.Name, printMessage(cco.Message))
|
|
} else {
|
|
fmt.Printf("\033[32m[callback]: end [%s:%s:%s]\033[0m\n", info.Component, info.Type, info.Name)
|
|
}
|
|
return ctx
|
|
}).
|
|
OnStartWithStreamInputFn(func(ctx context.Context, info *callbacks.RunInfo, input *schema.StreamReader[callbacks.CallbackInput]) context.Context {
|
|
input.Close()
|
|
fmt.Printf("\033[32m[callback]: start stream input [%s:%s:%s]running...\033[0m\n", info.Component, info.Type, info.Name)
|
|
return ctx
|
|
}).
|
|
OnEndWithStreamOutputFn(func(ctx context.Context, info *callbacks.RunInfo, output *schema.StreamReader[callbacks.CallbackOutput]) context.Context {
|
|
output.Close()
|
|
fmt.Printf("\033[32m[callback]: end stream output [%s:%s:%s]\033[0m\n", info.Component, info.Type, info.Name)
|
|
return ctx
|
|
}).
|
|
OnErrorFn(func(ctx context.Context, info *callbacks.RunInfo, err error) context.Context {
|
|
fmt.Printf("\033[31m[callback]: error [%s:%s:%s] - %v\033[0m\n", info.Component, info.Type, info.Name, err)
|
|
return ctx
|
|
})
|
|
return builder.Build()
|
|
}
|
|
|
|
func printMessage(m *schema.Message) string {
|
|
sb := strings.Builder{}
|
|
sb.WriteString("[")
|
|
sb.WriteString(string(m.Role))
|
|
sb.WriteString("]")
|
|
if len(m.Content) > 0 {
|
|
sb.WriteString("Content: \"")
|
|
sb.WriteString(m.Content)
|
|
sb.WriteString("\" ")
|
|
}
|
|
if len(m.ToolCalls) > 0 {
|
|
sb.WriteString("ToolCalls: [")
|
|
for _, toolCall := range m.ToolCalls {
|
|
sb.WriteString("{Name: ")
|
|
sb.WriteString(toolCall.Function.Name)
|
|
sb.WriteString(", Arguments: ")
|
|
sb.WriteString(toolCall.Function.Arguments)
|
|
sb.WriteString("}")
|
|
}
|
|
sb.WriteString("]")
|
|
}
|
|
return sb.String()
|
|
}
|