51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""This module provides dynamic access to deprecated JSON tools in LangChain.
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It ensures backward compatibility by forwarding references such as
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`JsonGetValueTool`, `JsonListKeysTool`, and `JsonSpec` to their updated
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locations within the `langchain_community.tools` namespace.
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This setup allows legacy code to continue working while guiding developers
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toward using the updated module paths.
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"""
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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.tools import JsonGetValueTool, JsonListKeysTool
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from langchain_community.tools.json.tool import JsonSpec
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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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"JsonSpec": "langchain_community.tools.json.tool",
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"JsonListKeysTool": "langchain_community.tools",
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"JsonGetValueTool": "langchain_community.tools",
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}
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_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)
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def __getattr__(name: str) -> Any:
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"""Dynamically retrieve attributes from the updated module path.
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This method is used to resolve deprecated attribute imports
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at runtime and forward them to their new locations.
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Args:
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name: The name of the attribute to import.
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Returns:
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The resolved attribute from the appropriate updated module.
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"""
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return _import_attribute(name)
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__all__ = [
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"JsonGetValueTool",
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"JsonListKeysTool",
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"JsonSpec",
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]
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