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on_retriever_start() — langchain Function Reference

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

Function python LangChainCore MessageInterface calls 1

Entity Profile

Dependency Diagram

graph TD
  029b63be_1e14_37df_3c88_7c9045b2a330["on_retriever_start()"]
  4b8e5bd6_69e8_42aa_044f_63f638ae480d["FakeCallbackHandler"]
  029b63be_1e14_37df_3c88_7c9045b2a330 -->|defined in| 4b8e5bd6_69e8_42aa_044f_63f638ae480d
  ffd5d79d_7bf0_29bf_3cb3_36253d10231b["on_retriever_start_common()"]
  029b63be_1e14_37df_3c88_7c9045b2a330 -->|calls| ffd5d79d_7bf0_29bf_3cb3_36253d10231b
  style 029b63be_1e14_37df_3c88_7c9045b2a330 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/anthropic/tests/unit_tests/_utils.py lines 235–240

    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/partners/anthropic/tests/unit_tests/_utils.py.
Where is on_retriever_start() defined?
on_retriever_start() is defined in libs/partners/anthropic/tests/unit_tests/_utils.py at line 235.
What does on_retriever_start() call?
on_retriever_start() calls 1 function(s): on_retriever_start_common.

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