codekingpro/portable-devtools

1from typing import TYPE_CHECKING, Any2 3from langchain_classic._api import create_importer4 5if TYPE_CHECKING:6    from langchain_community.callbacks.aim_callback import (7        AimCallbackHandler,8        BaseMetadataCallbackHandler,9        import_aim,10    )11 12# Create a way to dynamically look up deprecated imports.13# Used to consolidate logic for raising deprecation warnings and14# handling optional imports.15DEPRECATED_LOOKUP = {16    "import_aim": "langchain_community.callbacks.aim_callback",17    "BaseMetadataCallbackHandler": "langchain_community.callbacks.aim_callback",18    "AimCallbackHandler": "langchain_community.callbacks.aim_callback",19}20 21_import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP)22 23 24def __getattr__(name: str) -> Any:25    """Look up attributes dynamically."""26    return _import_attribute(name)27 28 29__all__ = [30    "AimCallbackHandler",31    "BaseMetadataCallbackHandler",32    "import_aim",33]34