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from typing import TYPE_CHECKING, Any
from langchain._api import create_importer
if TYPE_CHECKING:
from langchain_community.utils.math import (
cosine_similarity,
cosine_similarity_top_k,
)
# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
# Not marked as deprecated since we may want to move the functionality
# into langchain as long as we're OK with numpy as the dependency.
_MODULE_LOOKUP = {
"cosine_similarity": "langchain_community.utils.math",
"cosine_similarity_top_k": "langchain_community.utils.math",
}
_import_attribute = create_importer(__package__, module_lookup=_MODULE_LOOKUP)
def __getattr__(name: str) -> Any:
"""Look up attributes dynamically."""
return _import_attribute(name)
__all__ = [
"cosine_similarity",
"cosine_similarity_top_k",
]
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