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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 MessageInterface calls 1

Entity Profile

Dependency Diagram

graph TD
  ffbc3f5b_2593_ca07_e102_c6aeab4385af["on_retriever_start()"]
  b9664d7e_7900_dd8a_b9b3_2ee136c7b790["FakeCallbackHandler"]
  ffbc3f5b_2593_ca07_e102_c6aeab4385af -->|defined in| b9664d7e_7900_dd8a_b9b3_2ee136c7b790
  676a0a29_1eb2_7563_4b26_194bee2f0d58["on_retriever_start_common()"]
  ffbc3f5b_2593_ca07_e102_c6aeab4385af -->|calls| 676a0a29_1eb2_7563_4b26_194bee2f0d58
  style ffbc3f5b_2593_ca07_e102_c6aeab4385af fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/openai/tests/unit_tests/fake/callbacks.py lines 184–185

    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/openai/tests/unit_tests/fake/callbacks.py.
Where is on_retriever_start() defined?
on_retriever_start() is defined in libs/partners/openai/tests/unit_tests/fake/callbacks.py at line 184.
What does on_retriever_start() call?
on_retriever_start() calls 1 function(s): on_retriever_start_common.

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