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fix(Auto-fixing Output Parser Node): Only run retry chain on parsing errors (#11569)

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This commit is contained in:
oleg
2024-11-06 17:24:43 +01:00
committed by GitHub
parent d960777293
commit 21b31e488f
5 changed files with 202 additions and 59 deletions
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26
packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/ToolsAgent/execute.ts
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@@ -206,10 +206,28 @@ export async function toolsAgentExecute(this: IExecuteFunctions): Promise<INodeE
// If the steps are an AgentFinish and the outputParser is defined it must mean that the LLM didn't use `format_final_response` tool so we will try to parse the output manually
if (outputParser && typeof steps === 'object' && (steps as AgentFinish).returnValues) {
const finalResponse = (steps as AgentFinish).returnValues;
const returnValues = (await outputParser.parse(finalResponse as unknown as string)) as Record<
string,
unknown
>;
let parserInput: string;
if (finalResponse instanceof Object) {
if ('output' in finalResponse) {
try {
// If the output is an object, we will try to parse it as JSON
// this is because parser expects stringified JSON object like { "output": { .... } }
// so we try to parse the output before wrapping it and then stringify it
parserInput = JSON.stringify({ output: jsonParse(finalResponse.output) });
} catch (error) {
// If parsing of the output fails, we will use the raw output
parserInput = finalResponse.output;
}
} else {
// If the output is not an object, we will stringify it as it is
parserInput = JSON.stringify(finalResponse);
}
} else {
parserInput = finalResponse;
}
const returnValues = (await outputParser.parse(parserInput)) as Record<string, unknown>;
return handleParsedStepOutput(returnValues);
}
return handleAgentFinishOutput(steps);