init() — langchain Function Reference

Architecture documentation for the __init__() function in _redaction.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ __init__() — langchain Function Reference

Dependency Diagram

graph TD
  be537d4a_bab7_0ef4_ec19_ffd6b19b5707["__init__()"]
  2664a7f2_5314_35a9_a86d_2fce142dd0cf["PIIDetectionError"]
  be537d4a_bab7_0ef4_ec19_ffd6b19b5707 -->|defined in| 2664a7f2_5314_35a9_a86d_2fce142dd0cf
  style be537d4a_bab7_0ef4_ec19_ffd6b19b5707 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/_redaction.py lines 32–43

    def __init__(self, pii_type: str, matches: Sequence[PIIMatch]) -> None:
        """Initialize the exception with match context.

        Args:
            pii_type: Name of the detected sensitive type.
            matches: All matches that were detected for that type.
        """
        self.pii_type = pii_type
        self.matches = list(matches)
        count = len(matches)
        msg = f"Detected {count} instance(s) of {pii_type} in text content"
        super().__init__(msg)