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chain_pass_exceptions() — langchain Function Reference

Architecture documentation for the chain_pass_exceptions() function in test_fallbacks.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  8d768b5a_82f7_9030_2480_295b08ffe2c1["chain_pass_exceptions()"]
  905e276b_98d0_eba1_e23b_8303081c1894["test_fallbacks.py"]
  8d768b5a_82f7_9030_2480_295b08ffe2c1 -->|defined in| 905e276b_98d0_eba1_e23b_8303081c1894
  style 8d768b5a_82f7_9030_2480_295b08ffe2c1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/runnables/test_fallbacks.py lines 72–76

def chain_pass_exceptions() -> Runnable[Any, str]:
    fallback = RunnableLambda(_dont_raise_error)
    return {"text": RunnablePassthrough()} | RunnableLambda(
        _raise_error
    ).with_fallbacks([fallback], exception_key="exception")

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does chain_pass_exceptions() do?
chain_pass_exceptions() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/runnables/test_fallbacks.py.
Where is chain_pass_exceptions() defined?
chain_pass_exceptions() is defined in libs/core/tests/unit_tests/runnables/test_fallbacks.py at line 72.

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