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on_tool_start() — langchain Function Reference

Architecture documentation for the on_tool_start() function in callbacks.py from the langchain codebase.

Function python LangChainCore Runnables calls 2 called by 1

Entity Profile

Dependency Diagram

graph TD
  c08d7c81_c623_16c9_5324_6950902ef702["on_tool_start()"]
  10348507_70e9_81e4_3fb4_4c803e612737["FakeAsyncCallbackHandler"]
  c08d7c81_c623_16c9_5324_6950902ef702 -->|defined in| 10348507_70e9_81e4_3fb4_4c803e612737
  1c46661c_78c4_3d5e_b907_4a3167819488["on_tool_start()"]
  1c46661c_78c4_3d5e_b907_4a3167819488 -->|calls| c08d7c81_c623_16c9_5324_6950902ef702
  1d34ae9c_a936_dd10_8131_bff67408505d["on_tool_start_common()"]
  c08d7c81_c623_16c9_5324_6950902ef702 -->|calls| 1d34ae9c_a936_dd10_8131_bff67408505d
  1c46661c_78c4_3d5e_b907_4a3167819488["on_tool_start()"]
  c08d7c81_c623_16c9_5324_6950902ef702 -->|calls| 1c46661c_78c4_3d5e_b907_4a3167819488
  style c08d7c81_c623_16c9_5324_6950902ef702 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/groq/tests/unit_tests/fake/callbacks.py lines 354–359

    async def on_tool_start(
        self,
        *args: Any,
        **kwargs: Any,
    ) -> None:
        self.on_tool_start_common()

Domain

Subdomains

Defined In

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Called By

Source

Frequently Asked Questions

What does on_tool_start() do?
on_tool_start() is a function in the langchain codebase, defined in libs/partners/groq/tests/unit_tests/fake/callbacks.py.
Where is on_tool_start() defined?
on_tool_start() is defined in libs/partners/groq/tests/unit_tests/fake/callbacks.py at line 354.
What does on_tool_start() call?
on_tool_start() calls 2 function(s): on_tool_start, on_tool_start_common.
What calls on_tool_start()?
on_tool_start() is called by 1 function(s): on_tool_start.

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