Source code for langchain_community.tools.gmail.base

"""Base class for Gmail tools."""

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): """Base class for Gmail tools.""" api_resource: Resource = Field(default_factory=build_resource_service)
[docs] @classmethod def from_api_resource(cls, api_resource: Resource) -> "GmailBaseTool": """Create a tool from an api resource. Args: api_resource: The api resource to use. Returns: A tool. """ return cls(service=api_resource) # type: ignore[call-arg]