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on_llm_start() — langchain Function Reference

Architecture documentation for the on_llm_start() function in fake_callback_handler.py from the langchain codebase.

Function python LangChainCore ApiManagement calls 2 called by 1

Entity Profile

Dependency Diagram

graph TD
  f39fddd9_ad5b_de1c_3eb9_b7387e293785["on_llm_start()"]
  c82a49cc_3a43_e4a6_1cb8_d4b415fb5209["FakeAsyncCallbackHandler"]
  f39fddd9_ad5b_de1c_3eb9_b7387e293785 -->|defined in| c82a49cc_3a43_e4a6_1cb8_d4b415fb5209
  74e89d03_93b7_0413_3f6e_005767b5ba11["on_llm_start()"]
  74e89d03_93b7_0413_3f6e_005767b5ba11 -->|calls| f39fddd9_ad5b_de1c_3eb9_b7387e293785
  007bceb7_79f8_1992_5264_3a847f312637["on_llm_start_common()"]
  f39fddd9_ad5b_de1c_3eb9_b7387e293785 -->|calls| 007bceb7_79f8_1992_5264_3a847f312637
  74e89d03_93b7_0413_3f6e_005767b5ba11["on_llm_start()"]
  f39fddd9_ad5b_de1c_3eb9_b7387e293785 -->|calls| 74e89d03_93b7_0413_3f6e_005767b5ba11
  style f39fddd9_ad5b_de1c_3eb9_b7387e293785 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py lines 321–326

    async def on_llm_start(
        self,
        *args: Any,
        **kwargs: Any,
    ) -> None:
        self.on_llm_start_common()

Domain

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Defined In

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Called By

Source

Frequently Asked Questions

What does on_llm_start() do?
on_llm_start() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py.
Where is on_llm_start() defined?
on_llm_start() is defined in libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py at line 321.
What does on_llm_start() call?
on_llm_start() calls 2 function(s): on_llm_start, on_llm_start_common.
What calls on_llm_start()?
on_llm_start() is called by 1 function(s): on_llm_start.

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