_check_repeated_memory_variable() — langchain Function Reference

Architecture documentation for the _check_repeated_memory_variable() function in combined.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ _check_repeated_memory_variable() — langchain Function Reference

Dependency Diagram

graph TD
  3d7caaf7_1cc6_4d24_b1a0_6ce3018a5a74["_check_repeated_memory_variable()"]
  e7b5b56d_2836_1021_bdd4_75c127a0aa35["CombinedMemory"]
  3d7caaf7_1cc6_4d24_b1a0_6ce3018a5a74 -->|defined in| e7b5b56d_2836_1021_bdd4_75c127a0aa35
  style 3d7caaf7_1cc6_4d24_b1a0_6ce3018a5a74 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/memory/combined.py lines 18–33

    def _check_repeated_memory_variable(
        cls,
        value: list[BaseMemory],
    ) -> list[BaseMemory]:
        all_variables: set[str] = set()
        for val in value:
            overlap = all_variables.intersection(val.memory_variables)
            if overlap:
                msg = (
                    f"The same variables {overlap} are found in multiple"
                    "memory object, which is not allowed by CombinedMemory."
                )
                raise ValueError(msg)
            all_variables |= set(val.memory_variables)

        return value