clear() — langchain Function Reference

Architecture documentation for the clear() function in entity.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

LangChainCore→ Runnables→ clear() — langchain Function Reference

Dependency Diagram

graph TD
  c0299cc2_b89a_c73d_6f9e_8a2e27823eb4["clear()"]
  c539be70_4b09_e675_2ee4_a53dadca5460["RedisEntityStore"]
  c0299cc2_b89a_c73d_6f9e_8a2e27823eb4 -->|defined in| c539be70_4b09_e675_2ee4_a53dadca5460
  8571bd81_5e8d_c782_2b9d_90df202eaae0["clear()"]
  c0299cc2_b89a_c73d_6f9e_8a2e27823eb4 -->|calls| 8571bd81_5e8d_c782_2b9d_90df202eaae0
  style c0299cc2_b89a_c73d_6f9e_8a2e27823eb4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/memory/entity.py lines 321–332

    def clear(self) -> None:
        # iterate a list in batches of size batch_size
        def batched(iterable: Iterable[Any], batch_size: int) -> Iterable[Any]:
            iterator = iter(iterable)
            while batch := list(islice(iterator, batch_size)):
                yield batch

        for keybatch in batched(
            self.redis_client.scan_iter(f"{self.full_key_prefix}:*"),
            500,
        ):
            self.redis_client.delete(*keybatch)