mirror of
https://github.com/hwchase17/langchain
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38 lines
1004 B
Python
38 lines
1004 B
Python
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"""Base class for Gmail tools."""
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from __future__ import annotations
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from typing import TYPE_CHECKING
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from langchain_core.pydantic_v1 import Field
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from langchain_core.tools import BaseTool
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from langchain_community.tools.gmail.utils import build_resource_service
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if TYPE_CHECKING:
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# This is for linting and IDE typehints
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from googleapiclient.discovery import Resource
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else:
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try:
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# We do this so pydantic can resolve the types when instantiating
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from googleapiclient.discovery import Resource
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except ImportError:
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pass
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class GmailBaseTool(BaseTool):
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"""Base class for Gmail tools."""
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api_resource: Resource = Field(default_factory=build_resource_service)
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@classmethod
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def from_api_resource(cls, api_resource: Resource) -> "GmailBaseTool":
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"""Create a tool from an api resource.
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Args:
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api_resource: The api resource to use.
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Returns:
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A tool.
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"""
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return cls(service=api_resource)
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