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exists() — langchain Function Reference

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

Function python LangChainCore MessageInterface calls 1

Entity Profile

Dependency Diagram

graph TD
  b785a1c1_e1fc_eaf7_ee85_db1de7b4f94c["exists()"]
  d6a371b0_afe3_1ceb_cd58_c254c31b562e["BaseEntityStore"]
  b785a1c1_e1fc_eaf7_ee85_db1de7b4f94c -->|defined in| d6a371b0_afe3_1ceb_cd58_c254c31b562e
  1b01bc7e_1b70_92e9_f34a_d4ce5aec8859["exists()"]
  b785a1c1_e1fc_eaf7_ee85_db1de7b4f94c -->|calls| 1b01bc7e_1b70_92e9_f34a_d4ce5aec8859
  style b785a1c1_e1fc_eaf7_ee85_db1de7b4f94c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/memory/entity.py lines 54–55

    def exists(self, key: str) -> bool:
        """Check if entity exists in store."""

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 54.
What does exists() call?
exists() calls 1 function(s): exists.

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