| 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", | |
| ] | |