set_config_context() — langchain Function Reference

Architecture documentation for the set_config_context() function in config.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ set_config_context() — langchain Function Reference

Dependency Diagram

graph TD
  d7bec70c_4aaf_33f2_2cf8_ddd315d62618["set_config_context()"]
  217fac2f_15f6_1c1e_2b6e_1dae6dfdea14["config.py"]
  d7bec70c_4aaf_33f2_2cf8_ddd315d62618 -->|defined in| 217fac2f_15f6_1c1e_2b6e_1dae6dfdea14
  style d7bec70c_4aaf_33f2_2cf8_ddd315d62618 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/config.py lines 188–213

def set_config_context(config: RunnableConfig) -> Generator[Context, None, None]:
    """Set the child Runnable config + tracing context.

    Args:
        config: The config to set.

    Yields:
        The config context.
    """
    ctx = copy_context()
    config_token, _ = ctx.run(_set_config_context, config)
    try:
        yield ctx
    finally:
        ctx.run(var_child_runnable_config.reset, config_token)
        ctx.run(
            _set_tracing_context,
            {
                "parent": None,
                "project_name": None,
                "tags": None,
                "metadata": None,
                "enabled": None,
                "client": None,
            },
        )