should_retry_exception() — langchain Function Reference

Architecture documentation for the should_retry_exception() function in _retry.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ should_retry_exception() — langchain Function Reference

Dependency Diagram

graph TD
  453ba6ea_8f20_810e_fe5d_049b88d92fcd["should_retry_exception()"]
  9decc8a1_63f4_b789_d19f_e00296bc741d["_retry.py"]
  453ba6ea_8f20_810e_fe5d_049b88d92fcd -->|defined in| 9decc8a1_63f4_b789_d19f_e00296bc741d
  style 453ba6ea_8f20_810e_fe5d_049b88d92fcd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/_retry.py lines 66–82

def should_retry_exception(
    exc: Exception,
    retry_on: RetryOn,
) -> bool:
    """Check if an exception should trigger a retry.

    Args:
        exc: The exception that occurred.
        retry_on: Either a tuple of exception types to retry on, or a callable
            that takes an exception and returns `True` if it should be retried.

    Returns:
        `True` if the exception should be retried, `False` otherwise.
    """
    if callable(retry_on):
        return retry_on(exc)
    return isinstance(exc, retry_on)