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exists() — langchain Function Reference

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

Function python LangChainCore ApiManagement calls 1

Entity Profile

Dependency Diagram

graph TD
  50bc4ae1_8e25_46d8_33bc_109fb37f2ff8["exists()"]
  c539be70_4b09_e675_2ee4_a53dadca5460["RedisEntityStore"]
  50bc4ae1_8e25_46d8_33bc_109fb37f2ff8 -->|defined in| c539be70_4b09_e675_2ee4_a53dadca5460
  6c8d475b_0f36_5deb_090a_14caeed7002a["exists()"]
  50bc4ae1_8e25_46d8_33bc_109fb37f2ff8 -->|calls| 6c8d475b_0f36_5deb_090a_14caeed7002a
  style 50bc4ae1_8e25_46d8_33bc_109fb37f2ff8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/memory/entity.py lines 317–318

    def exists(self, key: str) -> bool:
        return self.redis_client.exists(f"{self.full_key_prefix}:{key}") == 1

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does exists() do?
exists() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/memory/entity.py.
Where is exists() defined?
exists() is defined in libs/langchain/langchain_classic/memory/entity.py at line 317.
What does exists() call?
exists() calls 1 function(s): exists.

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