codekingpro/portable-devtools

1from typing import TYPE_CHECKING, Any2 3from langchain_classic._api import create_importer4 5if TYPE_CHECKING:6    from langchain_community.callbacks.utils import (7        BaseMetadataCallbackHandler,8        _flatten_dict,9        flatten_dict,10        hash_string,11        import_pandas,12        import_spacy,13        import_textstat,14        load_json,15    )16 17# Create a way to dynamically look up deprecated imports.18# Used to consolidate logic for raising deprecation warnings and19# handling optional imports.20DEPRECATED_LOOKUP = {21    "import_spacy": "langchain_community.callbacks.utils",22    "import_pandas": "langchain_community.callbacks.utils",23    "import_textstat": "langchain_community.callbacks.utils",24    "_flatten_dict": "langchain_community.callbacks.utils",25    "flatten_dict": "langchain_community.callbacks.utils",26    "hash_string": "langchain_community.callbacks.utils",27    "load_json": "langchain_community.callbacks.utils",28    "BaseMetadataCallbackHandler": "langchain_community.callbacks.utils",29}30 31_import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP)32 33 34def __getattr__(name: str) -> Any:35    """Look up attributes dynamically."""36    return _import_attribute(name)37 38 39__all__ = [40    "BaseMetadataCallbackHandler",41    "_flatten_dict",42    "flatten_dict",43    "hash_string",44    "import_pandas",45    "import_spacy",46    "import_textstat",47    "load_json",48]49