get() — langchain Function Reference

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

Function python LangChainCore MessageInterface calls 1

Entity Profile

LangChainCore→ MessageInterface→ get() — langchain Function Reference

Dependency Diagram

graph TD
  47be7f01_ba5d_4891_2980_e37bcc14d40c["get()"]
  65c1d19b_b721_7b61_7b71_c0d54a3a49e7["UpstashRedisEntityStore"]
  47be7f01_ba5d_4891_2980_e37bcc14d40c -->|defined in| 65c1d19b_b721_7b61_7b71_c0d54a3a49e7
  6560dbd6_8588_9d8f_d467_ab24a097ad9c["get()"]
  47be7f01_ba5d_4891_2980_e37bcc14d40c -->|calls| 6560dbd6_8588_9d8f_d467_ab24a097ad9c
  style 47be7f01_ba5d_4891_2980_e37bcc14d40c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/memory/entity.py lines 163–172

    def get(self, key: str, default: str | None = None) -> str | None:
        res = (
            self.redis_client.getex(f"{self.full_key_prefix}:{key}", ex=self.recall_ttl)
            or default
            or ""
        )
        logger.debug(
            "Upstash Redis MEM get '%s:%s': '%s'", self.full_key_prefix, key, res
        )
        return res