codekingpro/portable-devtools

1from typing import TYPE_CHECKING, Any2 3from langchain_classic._api import create_importer4 5if TYPE_CHECKING:6    from langchain_community.callbacks.human import (7        AsyncHumanApprovalCallbackHandler,8        HumanApprovalCallbackHandler,9        HumanRejectedException,10    )11 12# Create a way to dynamically look up deprecated imports.13# Used to consolidate logic for raising deprecation warnings and14# handling optional imports.15DEPRECATED_LOOKUP = {16    "HumanRejectedException": "langchain_community.callbacks.human",17    "HumanApprovalCallbackHandler": "langchain_community.callbacks.human",18    "AsyncHumanApprovalCallbackHandler": "langchain_community.callbacks.human",19}20 21_import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP)22 23 24def __getattr__(name: str) -> Any:25    """Look up attributes dynamically."""26    return _import_attribute(name)27 28 29__all__ = [30    "AsyncHumanApprovalCallbackHandler",31    "HumanApprovalCallbackHandler",32    "HumanRejectedException",33]34