venv/lib/python3.12/site-packages/langchain/retrievers/self_query/vectara.py

from typing import TYPE_CHECKING, Any

from langchain._api import create_importer

if TYPE_CHECKING:
    from langchain_community.query_constructors.vectara import (
        VectaraTranslator,
        process_value,
    )

# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {
    "VectaraTranslator": "langchain_community.query_constructors.vectara",
    "process_value": "langchain_community.query_constructors.vectara",
}

_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)


def __getattr__(name: str) -> Any:
    """Look up attributes dynamically."""
    return _import_attribute(name)


__all__ = ["VectaraTranslator", "process_value"]