_build_deprecation_message() — langchain Function Reference

Architecture documentation for the _build_deprecation_message() function in deprecation.py from the langchain codebase.

Function python CoreAbstractions MessageSchema called by 1

Entity Profile

CoreAbstractions→ MessageSchema→ _build_deprecation_message() — langchain Function Reference

Dependency Diagram

graph TD
  1088cd8a_00a0_1e2b_6d7b_1c14f84b3ab1["_build_deprecation_message()"]
  94320bb6_6e56_d7f5_79eb_9674de780d72["deprecation.py"]
  1088cd8a_00a0_1e2b_6d7b_1c14f84b3ab1 -->|defined in| 94320bb6_6e56_d7f5_79eb_9674de780d72
  40d7e3e2_e923_83d0_042d_1c39ac220fba["deprecated()"]
  40d7e3e2_e923_83d0_042d_1c39ac220fba -->|calls| 1088cd8a_00a0_1e2b_6d7b_1c14f84b3ab1
  style 1088cd8a_00a0_1e2b_6d7b_1c14f84b3ab1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/_api/deprecation.py lines 30–48

def _build_deprecation_message(
    *,
    alternative: str = "",
    alternative_import: str = "",
) -> str:
    """Build a simple deprecation message for `__deprecated__` attribute.

    Args:
        alternative: An alternative API name.
        alternative_import: A fully qualified import path for the alternative.

    Returns:
        A deprecation message string for IDE/type checker display.
    """
    if alternative_import:
        return f"Use {alternative_import} instead."
    if alternative:
        return f"Use {alternative} instead."
    return "Deprecated."