Source code for langchain_community.tools.gmail.base

"""用于Gmail工具的基类。"""
from __future__ import annotations

from typing import TYPE_CHECKING

from langchain_core.pydantic_v1 import Field
from langchain_core.tools import BaseTool

from langchain_community.tools.gmail.utils import build_resource_service

if TYPE_CHECKING:
    # This is for linting and IDE typehints
    from googleapiclient.discovery import Resource
else:
    try:
        # We do this so pydantic can resolve the types when instantiating
        from googleapiclient.discovery import Resource
    except ImportError:
        pass



[docs]class GmailBaseTool(BaseTool):
    """用于Gmail工具的基类。"""

    api_resource: Resource = Field(default_factory=build_resource_service)


[docs]    @classmethod
    def from_api_resource(cls, api_resource: Resource) -> "GmailBaseTool":
        """从api资源创建一个工具。

参数:
    api_resource: 要使用的api资源。

返回:
    一个工具。
"""
        return cls(service=api_resource)  # type: ignore[call-arg]