from typing import TYPE_CHECKING, Any
from langchain._api import create_importer
if TYPE_CHECKING:
from langchain_community.retrievers import AmazonKnowledgeBasesRetriever
from langchain_community.retrievers.bedrock import (
RetrievalConfig,
VectorSearchConfig,
)
# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {
"VectorSearchConfig": "langchain_community.retrievers.bedrock",
"RetrievalConfig": "langchain_community.retrievers.bedrock",
"AmazonKnowledgeBasesRetriever": "langchain_community.retrievers",
}
_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)
def __getattr__(name: str) -> Any:
"""Look up attributes dynamically."""
return _import_attribute(name)
__all__ = [
"VectorSearchConfig",
"RetrievalConfig",
"AmazonKnowledgeBasesRetriever",
]