api.py

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"""API for Electric Kiwi bound to Home Assistant OAuth."""
 
from __future__ import annotations
 
from typing import cast
 
from aiohttp import ClientSession
from electrickiwi_api import AbstractAuth
 
from homeassistant.helpers import config_entry_oauth2_flow
 
from .const import API_BASE_URL
 
 
class AsyncConfigEntryAuth(AbstractAuth):
    """Provide Electric Kiwi authentication tied to an OAuth2 based config entry."""
 
    def __init__(
        self,
        websession: ClientSession,
        oauth_session: config_entry_oauth2_flow.OAuth2Session,
    ) -> None:
        """Initialize Electric Kiwi auth."""
        # add host when ready for production "https://api.electrickiwi.co.nz" defaults to dev
        super().__init__(websession, API_BASE_URL)
        self._oauth_session_oauth_session = oauth_session
 
    async def async_get_access_token(self) -> str:
        """Return a valid access token."""
        await self._oauth_session_oauth_session.async_ensure_token_valid()
 
        return cast(str, self._oauth_session_oauth_session.token["access_token"])