Add ability to specify ssl_context for the realtime connection

HA wants this for performance:
https://developers.home-assistant.io/docs/asyncio_blocking_operations/#load_default_certs

tibber/__init__.py

@@ -4,6 +4,7 @@
 import datetime as dt
 import logging
 import zoneinfo
+from ssl import SSLContext
 from typing import Any
 
 import aiohttp
@@ -35,6 +36,7 @@ def __init__(
         websession: aiohttp.ClientSession | None = None,
         time_zone: dt.tzinfo | None = None,
         user_agent: str | None = None,
+        ssl: SSLContext | bool = True,
     ):
         """Initialize the Tibber connection.
 
@@ -43,10 +45,11 @@ def __init__(
         :param websession: The websession to use when communicating with the Tibber API.
         :param time_zone: The time zone to display times in and to use.
         :param user_agent: User agent identifier for the platform running this. Required if websession is None.
+        :param ssl: SSLContext to use.
         """
 
         if websession is None:
-            websession = aiohttp.ClientSession()
+            websession = aiohttp.ClientSession(connector=aiohttp.TCPConnector(ssl=ssl))
         elif user_agent is None:
             user_agent = websession.headers.get(aiohttp.hdrs.USER_AGENT)
         if user_agent is None:
@@ -60,6 +63,7 @@ def __init__(
             self._access_token,
             self.timeout,
             self._user_agent,
+            ssl=ssl,
         )
 
         self.time_zone: dt.tzinfo = time_zone or zoneinfo.ZoneInfo("UTC")

tibber/realtime.py

@@ -5,6 +5,7 @@
 import logging
 import random
 from typing import Any
+from ssl import SSLContext
 
 from gql import Client
 
@@ -26,6 +27,7 @@ def __init__(
         access_token: str,
         timeout: int,
         user_agent: str,
+        ssl: SSLContext | bool
     ):
         """Initialize the Tibber connection.
 
@@ -36,6 +38,7 @@ def __init__(
         self._access_token: str = access_token
         self._timeout: int = timeout
         self._user_agent: str = user_agent
+        self._ssl_context = ssl
 
         self._sub_endpoint: str | None = None
         self._homes: list[TibberHome] = []
@@ -90,6 +93,7 @@ def _create_sub_manager(self) -> None:
                 self.sub_endpoint,
                 self._access_token,
                 self._user_agent,
+                ssl=self._ssl_context,
             ),
         )
 

tibber/websocket_transport.py

@@ -3,6 +3,7 @@
 import asyncio
 import datetime as dt
 import logging
+from ssl import SSLContext
 
 from gql.transport.exceptions import TransportClosed
 from gql.transport.websockets import WebsocketsTransport
@@ -13,13 +14,14 @@
 class TibberWebsocketsTransport(WebsocketsTransport):
     """Tibber websockets transport."""
 
-    def __init__(self, url: str, access_token: str, user_agent: str) -> None:
+    def __init__(self, url: str, access_token: str, user_agent: str, ssl: SSLContext | bool = True) -> None:
         """Initialize TibberWebsocketsTransport."""
         super().__init__(
             url=url,
             init_payload={"token": access_token},
             headers={"User-Agent": user_agent},
             ping_interval=30,
+            ssl=ssl,
         )
         self._user_agent: str = user_agent
         self._timeout: int = 90