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on_retriever_start() — langchain Function Reference

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

Function python LangChainCore ApiManagement calls 1

Entity Profile

Dependency Diagram

graph TD
  e80174fb_bb1b_d44e_4559_c3c7544b4f2a["on_retriever_start()"]
  9659be4f_91d1_3b62_bcfb_38c048777165["FakeCallbackHandler"]
  e80174fb_bb1b_d44e_4559_c3c7544b4f2a -->|defined in| 9659be4f_91d1_3b62_bcfb_38c048777165
  b7fdcc66_0ba7_48f9_2ee9_4001ab833166["on_retriever_start_common()"]
  e80174fb_bb1b_d44e_4559_c3c7544b4f2a -->|calls| b7fdcc66_0ba7_48f9_2ee9_4001ab833166
  style e80174fb_bb1b_d44e_4559_c3c7544b4f2a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/fake/callbacks.py lines 255–260

    def on_retriever_start(
        self,
        *args: Any,
        **kwargs: Any,
    ) -> Any:
        self.on_retriever_start_common()

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does on_retriever_start() do?
on_retriever_start() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/fake/callbacks.py.
Where is on_retriever_start() defined?
on_retriever_start() is defined in libs/core/tests/unit_tests/fake/callbacks.py at line 255.
What does on_retriever_start() call?
on_retriever_start() calls 1 function(s): on_retriever_start_common.

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