codekingpro/portable-devtools

1from typing import TYPE_CHECKING, Any2 3from langchain_classic._api import create_importer4 5if TYPE_CHECKING:6    from langchain_community.document_loaders import DataFrameLoader7    from langchain_community.document_loaders.dataframe import BaseDataFrameLoader8 9# Create a way to dynamically look up deprecated imports.10# Used to consolidate logic for raising deprecation warnings and11# handling optional imports.12DEPRECATED_LOOKUP = {13    "BaseDataFrameLoader": "langchain_community.document_loaders.dataframe",14    "DataFrameLoader": "langchain_community.document_loaders",15}16 17_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)18 19 20def __getattr__(name: str) -> Any:21    """Look up attributes dynamically."""22    return _import_attribute(name)23 24 25__all__ = [26    "BaseDataFrameLoader",27    "DataFrameLoader",28]29