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Error: No tools_call in message in langgraph with anthropic #7284

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Error: No tools_call in message in langgraph with anthropic #7284

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77 changes: 39 additions & 38 deletions langchain/src/output_parsers/openai_tools.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,47 +54,48 @@ export class JsonOutputToolsParser extends BaseLLMOutputParser<
* @param generations The output of the LLM to parse.
* @returns A JSON object representation of the function call or its arguments.
*/
async parseResult(generations: ChatGeneration[]): Promise<ParsedToolCall[]> {
const toolCalls = generations[0].message.additional_kwargs.tool_calls;
if (!toolCalls) {
throw new Error(
`No tools_call in message ${JSON.stringify(generations)}`
);
}
const clonedToolCalls = JSON.parse(JSON.stringify(toolCalls));
const parsedToolCalls = [];
for (const toolCall of clonedToolCalls) {
if (toolCall.function !== undefined) {
// @ts-expect-error name and arguemnts are defined by Object.defineProperty
const parsedToolCall: ParsedToolCall = {
type: toolCall.function.name,
args: JSON.parse(toolCall.function.arguments),
};

if (this.returnId) {
parsedToolCall.id = toolCall.id;
async parseResult(generations) {
const toolCalls = generations[0].message.additional_kwargs.tool_calls || generations[0].message.tool_calls
if (!toolCalls) {
throw new Error(`No tools_call in message ${JSON.stringify(generations)}`);
}
const clonedToolCalls = JSON.parse(JSON.stringify(toolCalls));
const parsedToolCalls = [];
for (const toolCall of clonedToolCalls) {
let parsedToolCall = null
if (toolCall.function !== undefined) {
// @ts-expect-error name and arguemnts are defined by Object.defineProperty
parsedToolCall = {
type: toolCall.function.name,
args: JSON.parse(toolCall.function.arguments),
};
if (this.returnId) {
parsedToolCall.id = toolCall.id;
}
}else {
parsedToolCall = {
type: toolCall.name,
args: toolCall.args,
id: toolCall.id
};
}
// backward-compatibility with previous
// versions of Langchain JS, which uses `name` and `arguments`
Object.defineProperty(parsedToolCall, "name", {
get() {
return this.type;
},
});
Object.defineProperty(parsedToolCall, "arguments", {
get() {
return this.args;
},
});
parsedToolCalls.push(parsedToolCall);
}

// backward-compatibility with previous
// versions of Langchain JS, which uses `name` and `arguments`
Object.defineProperty(parsedToolCall, "name", {
get() {
return this.type;
},
});

Object.defineProperty(parsedToolCall, "arguments", {
get() {
return this.args;
},
});

parsedToolCalls.push(parsedToolCall);
}
return parsedToolCalls;
}
return parsedToolCalls;
}
}

export type JsonOutputKeyToolsParserParams = {
keyName: string;
Expand Down