Honeywell Lyric Integration (#39695)

Co-authored-by: J. Nick Koston <nick@koston.org>

homeassistant/components/lyric/api.py

@@ -0,0 +1,55 @@
+"""API for Honeywell Lyric bound to Home Assistant OAuth."""
+import logging
+from typing import cast
+
+from aiohttp import BasicAuth, ClientSession
+from aiolyric.client import LyricClient
+
+from homeassistant.helpers import config_entry_oauth2_flow
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class ConfigEntryLyricClient(LyricClient):
+    """Provide Honeywell Lyric authentication tied to an OAuth2 based config entry."""
+
+    def __init__(
+        self,
+        websession: ClientSession,
+        oauth_session: config_entry_oauth2_flow.OAuth2Session,
+    ):
+        """Initialize Honeywell Lyric auth."""
+        super().__init__(websession)
+        self._oauth_session = oauth_session
+
+    async def async_get_access_token(self):
+        """Return a valid access token."""
+        if not self._oauth_session.valid_token:
+            await self._oauth_session.async_ensure_token_valid()
+
+        return self._oauth_session.token["access_token"]
+
+
+class LyricLocalOAuth2Implementation(
+    config_entry_oauth2_flow.LocalOAuth2Implementation
+):
+    """Lyric Local OAuth2 implementation."""
+
+    async def _token_request(self, data: dict) -> dict:
+        """Make a token request."""
+        session = async_get_clientsession(self.hass)
+
+        data["client_id"] = self.client_id
+
+        if self.client_secret is not None:
+            data["client_secret"] = self.client_secret
+
+        headers = {
+            "Authorization": BasicAuth(self.client_id, self.client_secret).encode(),
+            "Content-Type": "application/x-www-form-urlencoded",
+        }
+
+        resp = await session.post(self.token_url, headers=headers, data=data)
+        resp.raise_for_status()
+        return cast(dict, await resp.json())