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94 lines
2.4 KiB
Go
94 lines
2.4 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 tool
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import (
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"context"
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"fmt"
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"github.com/cloudwego/eino/components/tool"
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"github.com/cloudwego/eino/schema"
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)
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type ApprovalInfo struct {
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ToolName string
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ArgumentsInJSON string
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}
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type ApprovalResult struct {
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Approved bool
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DisapproveReason *string
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}
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func (ai *ApprovalInfo) String() string {
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return fmt.Sprintf("tool '%s' interrupted with arguments '%s', waiting for your approval, "+
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"please answer with Y/N",
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ai.ToolName, ai.ArgumentsInJSON)
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}
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func init() {
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schema.Register[*ApprovalInfo]()
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}
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type InvokableApprovableTool struct {
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tool.InvokableTool
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}
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func (i InvokableApprovableTool) Info(ctx context.Context) (*schema.ToolInfo, error) {
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return i.InvokableTool.Info(ctx)
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}
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func (i InvokableApprovableTool) InvokableRun(ctx context.Context, argumentsInJSON string,
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opts ...tool.Option) (string, error) {
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toolInfo, err := i.Info(ctx)
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if err != nil {
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return "", err
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}
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wasInterrupted, _, storedArguments := tool.GetInterruptState[string](ctx)
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if !wasInterrupted {
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return "", tool.StatefulInterrupt(ctx, &ApprovalInfo{
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ToolName: toolInfo.Name,
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ArgumentsInJSON: argumentsInJSON,
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}, argumentsInJSON)
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}
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isResumeTarget, hasData, data := tool.GetResumeContext[*ApprovalResult](ctx)
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if isResumeTarget && hasData {
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if data.Approved {
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return i.InvokableTool.InvokableRun(ctx, storedArguments, opts...)
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}
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if data.DisapproveReason != nil {
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return fmt.Sprintf("tool '%s' disapproved, reason: %s", toolInfo.Name, *data.DisapproveReason), nil
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}
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return fmt.Sprintf("tool '%s' disapproved", toolInfo.Name), nil
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}
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isResumeTarget, _, _ = tool.GetResumeContext[any](ctx)
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if !isResumeTarget {
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return "", tool.StatefulInterrupt(ctx, &ApprovalInfo{
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ToolName: toolInfo.Name,
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ArgumentsInJSON: storedArguments,
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}, storedArguments)
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}
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return i.InvokableTool.InvokableRun(ctx, storedArguments, opts...)
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}
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