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on_chain_start_common() — langchain Function Reference

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

Function python LangChainCore MessageInterface called by 2

Entity Profile

Dependency Diagram

graph TD
  85895fe1_b832_deff_e95c_14de6d354261["on_chain_start_common()"]
  f0bf147f_92f7_4127_bab5_d25b15399ce6["BaseFakeCallbackHandlerMixin"]
  85895fe1_b832_deff_e95c_14de6d354261 -->|defined in| f0bf147f_92f7_4127_bab5_d25b15399ce6
  73dedf2f_9b88_8778_28c8_025eaac44d77["on_chain_start()"]
  73dedf2f_9b88_8778_28c8_025eaac44d77 -->|calls| 85895fe1_b832_deff_e95c_14de6d354261
  b197176c_49c0_5661_66a2_c92007847ddf["on_chain_start()"]
  b197176c_49c0_5661_66a2_c92007847ddf -->|calls| 85895fe1_b832_deff_e95c_14de6d354261
  style 85895fe1_b832_deff_e95c_14de6d354261 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/openai/tests/unit_tests/fake/callbacks.py lines 69–71

    def on_chain_start_common(self) -> None:
        self.chain_starts += 1
        self.starts += 1

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does on_chain_start_common() do?
on_chain_start_common() is a function in the langchain codebase, defined in libs/partners/openai/tests/unit_tests/fake/callbacks.py.
Where is on_chain_start_common() defined?
on_chain_start_common() is defined in libs/partners/openai/tests/unit_tests/fake/callbacks.py at line 69.
What calls on_chain_start_common()?
on_chain_start_common() is called by 2 function(s): on_chain_start, on_chain_start.

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