initial commit

venv/Lib/site-packages/langchain_classic/retrievers/bedrock.py

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+from typing import TYPE_CHECKING, Any
+
+from langchain_classic._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__ = [
+    "AmazonKnowledgeBasesRetriever",
+    "RetrievalConfig",
+    "VectorSearchConfig",
+]