49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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from typing import TYPE_CHECKING, Any
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from langchain_classic._api import create_importer
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if TYPE_CHECKING:
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from langchain_community.callbacks.utils import (
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BaseMetadataCallbackHandler,
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_flatten_dict,
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flatten_dict,
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hash_string,
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import_pandas,
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import_spacy,
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import_textstat,
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load_json,
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)
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# Create a way to dynamically look up deprecated imports.
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# Used to consolidate logic for raising deprecation warnings and
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# handling optional imports.
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DEPRECATED_LOOKUP = {
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"import_spacy": "langchain_community.callbacks.utils",
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"import_pandas": "langchain_community.callbacks.utils",
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"import_textstat": "langchain_community.callbacks.utils",
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"_flatten_dict": "langchain_community.callbacks.utils",
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"flatten_dict": "langchain_community.callbacks.utils",
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"hash_string": "langchain_community.callbacks.utils",
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"load_json": "langchain_community.callbacks.utils",
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"BaseMetadataCallbackHandler": "langchain_community.callbacks.utils",
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}
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_import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP)
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def __getattr__(name: str) -> Any:
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"""Look up attributes dynamically."""
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return _import_attribute(name)
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__all__ = [
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"BaseMetadataCallbackHandler",
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"_flatten_dict",
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"flatten_dict",
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"hash_string",
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"import_pandas",
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"import_spacy",
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"import_textstat",
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"load_json",
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]
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