is_uuid() — langchain Function Reference

Architecture documentation for the is_uuid() function in graph.py from the langchain codebase.

Function python LangChainCore Runnables called by 4

Entity Profile

LangChainCore→ Runnables→ is_uuid() — langchain Function Reference

Dependency Diagram

graph TD
  06f839e9_c953_ef45_72b3_7929f39522ed["is_uuid()"]
  81a6280b_4752_84db_f1fa_1a3b8040d481["graph.py"]
  06f839e9_c953_ef45_72b3_7929f39522ed -->|defined in| 81a6280b_4752_84db_f1fa_1a3b8040d481
  e36afb73_0117_69fe_01c8_c476692e8baa["node_data_str()"]
  e36afb73_0117_69fe_01c8_c476692e8baa -->|calls| 06f839e9_c953_ef45_72b3_7929f39522ed
  436d3a55_ec61_7819_2986_6664246558c2["to_json()"]
  436d3a55_ec61_7819_2986_6664246558c2 -->|calls| 06f839e9_c953_ef45_72b3_7929f39522ed
  6764536f_15b8_5436_aa1a_53ff3f1956c2["extend()"]
  6764536f_15b8_5436_aa1a_53ff3f1956c2 -->|calls| 06f839e9_c953_ef45_72b3_7929f39522ed
  9f553f07_a134_96b2_5d30_cde7bee5fd6f["reid()"]
  9f553f07_a134_96b2_5d30_cde7bee5fd6f -->|calls| 06f839e9_c953_ef45_72b3_7929f39522ed
  style 06f839e9_c953_ef45_72b3_7929f39522ed fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/graph.py lines 47–60

def is_uuid(value: str) -> bool:
    """Check if a string is a valid UUID.

    Args:
        value: The string to check.

    Returns:
        `True` if the string is a valid UUID, `False` otherwise.
    """
    try:
        UUID(value)
    except ValueError:
        return False
    return True