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_complete_chain_run() — langchain Function Reference

Architecture documentation for the _complete_chain_run() function in core.py from the langchain codebase.

Function python Observability Tracers calls 3

Entity Profile

Dependency Diagram

graph TD
  c73f7f6a_96db_36a1_070c_9fc5d50d7bb6["_complete_chain_run()"]
  70348e44_de0f_ccb4_c06a_8453289ed93e["_TracerCore"]
  c73f7f6a_96db_36a1_070c_9fc5d50d7bb6 -->|defined in| 70348e44_de0f_ccb4_c06a_8453289ed93e
  66392709_99c4_1a2e_dfac_aed34eebe5f5["_get_run()"]
  c73f7f6a_96db_36a1_070c_9fc5d50d7bb6 -->|calls| 66392709_99c4_1a2e_dfac_aed34eebe5f5
  e82c5a26_8297_ea3d_c722_4eda8dd165cc["_get_chain_outputs()"]
  c73f7f6a_96db_36a1_070c_9fc5d50d7bb6 -->|calls| e82c5a26_8297_ea3d_c722_4eda8dd165cc
  3d4202d3_affb_7a43_051f_ea5bb9a0f713["_get_chain_inputs()"]
  c73f7f6a_96db_36a1_070c_9fc5d50d7bb6 -->|calls| 3d4202d3_affb_7a43_051f_ea5bb9a0f713
  style c73f7f6a_96db_36a1_070c_9fc5d50d7bb6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/tracers/core.py lines 381–399

    def _complete_chain_run(
        self,
        outputs: dict[str, Any],
        run_id: UUID,
        inputs: dict[str, Any] | None = None,
    ) -> Run:
        """Update a chain run with outputs and end time."""
        chain_run = self._get_run(run_id)
        if getattr(chain_run, "outputs", None) is None:
            chain_run.outputs = {}
        if not chain_run.extra.get("__omit_auto_outputs", False):
            cast("dict[str, Any]", chain_run.outputs).update(
                self._get_chain_outputs(outputs)
            )
        chain_run.end_time = datetime.now(timezone.utc)
        chain_run.events.append({"name": "end", "time": chain_run.end_time})
        if inputs is not None:
            chain_run.inputs = self._get_chain_inputs(inputs)
        return chain_run

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does _complete_chain_run() do?
_complete_chain_run() is a function in the langchain codebase, defined in libs/core/langchain_core/tracers/core.py.
Where is _complete_chain_run() defined?
_complete_chain_run() is defined in libs/core/langchain_core/tracers/core.py at line 381.
What does _complete_chain_run() call?
_complete_chain_run() calls 3 function(s): _get_chain_inputs, _get_chain_outputs, _get_run.

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