getattr() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ __getattr__() — langchain Function Reference

Dependency Diagram

graph TD
  1cebb74c_2e0e_ef84_e06a_34716e9c5845["__getattr__()"]
  0d41971e_bef3_16cd_c28c_25a93af172c1["__init__.py"]
  1cebb74c_2e0e_ef84_e06a_34716e9c5845 -->|defined in| 0d41971e_bef3_16cd_c28c_25a93af172c1
  style 1cebb74c_2e0e_ef84_e06a_34716e9c5845 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chat_models/__init__.py lines 16–31

def __getattr__(name: str) -> None:
    from langchain_community import chat_models

    # If not in interactive env, raise warning.
    if not is_interactive_env():
        warnings.warn(
            "Importing chat models from langchain is deprecated. Importing from "
            "langchain will no longer be supported as of langchain==0.2.0. "
            "Please import from langchain-community instead:\n\n"
            f"`from langchain_community.chat_models import {name}`.\n\n"
            "To install langchain-community run `pip install -U langchain-community`.",
            stacklevel=2,
            category=LangChainDeprecationWarning,
        )

    return getattr(chat_models, name)