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_make_custom_tool_output_from_message() — langchain Function Reference

Architecture documentation for the _make_custom_tool_output_from_message() function in base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase called by 1

Entity Profile

Dependency Diagram

graph TD
  19a91a7c_09b7_1e12_cab8_29322483cdfd["_make_custom_tool_output_from_message()"]
  2b046911_ea21_8e2e_ba0d_9d03da8d7bda["base.py"]
  19a91a7c_09b7_1e12_cab8_29322483cdfd -->|defined in| 2b046911_ea21_8e2e_ba0d_9d03da8d7bda
  b988bc7d_ceff_06f1_193c_a22abc7a149f["_construct_responses_api_input()"]
  b988bc7d_ceff_06f1_193c_a22abc7a149f -->|calls| 19a91a7c_09b7_1e12_cab8_29322483cdfd
  style 19a91a7c_09b7_1e12_cab8_29322483cdfd fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/partners/openai/langchain_openai/chat_models/base.py lines 4070–4088

def _make_custom_tool_output_from_message(message: ToolMessage) -> dict | None:
    custom_tool_output = None
    for block in message.content:
        if isinstance(block, dict) and block.get("type") == "custom_tool_call_output":
            custom_tool_output = {
                "type": "custom_tool_call_output",
                "call_id": message.tool_call_id,
                "output": block.get("output") or "",
            }
            break
        if (
            isinstance(block, dict)
            and block.get("type") == "non_standard"
            and block.get("value", {}).get("type") == "custom_tool_call_output"
        ):
            custom_tool_output = block["value"]
            break

    return custom_tool_output

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Defined In

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Source

Frequently Asked Questions

What does _make_custom_tool_output_from_message() do?
_make_custom_tool_output_from_message() is a function in the langchain codebase, defined in libs/partners/openai/langchain_openai/chat_models/base.py.
Where is _make_custom_tool_output_from_message() defined?
_make_custom_tool_output_from_message() is defined in libs/partners/openai/langchain_openai/chat_models/base.py at line 4070.
What calls _make_custom_tool_output_from_message()?
_make_custom_tool_output_from_message() is called by 1 function(s): _construct_responses_api_input.

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