fix: blocking call for timezone fetching, references #171

custom_components/robonect/__init__.py

@@ -20,6 +20,7 @@
 from homeassistant.helpers import device_registry as dr, entity_registry as er
 from homeassistant.helpers.storage import STORAGE_DIR, Store
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+import pytz
 
 from .const import (
     CONF_ATTRS_UNITS,
@@ -58,6 +59,10 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     for platform in PLATFORMS:
         hass.data[DOMAIN][entry.entry_id].setdefault(platform, set())
 
+    # Cache the timezone during setup
+    timezone = await hass.async_add_executor_job(pytz.timezone, hass.config.time_zone)
+    hass.data[DOMAIN]["timezone"] = timezone
+
     if entry.data[CONF_MQTT_ENABLED] is True:
         if not await mqtt.async_wait_for_mqtt_client(hass):
             _LOGGER.error("MQTT integration is not available")

custom_components/robonect/utils.py

@@ -10,10 +10,20 @@
 from jsonpath import jsonpath
 import pytz
 
-from .const import ATTR_STATE_UNITS, WEEKDAYS_HEX
+from .const import ATTR_STATE_UNITS, DOMAIN, WEEKDAYS_HEX
 
 _LOGGER = logging.getLogger(__name__)
 
+_cached_timezone = None
+
+
+def get_cached_timezone(hass):
+    """Get the cached timezone."""
+    global _cached_timezone
+    if _cached_timezone is None:
+        _cached_timezone = pytz.timezone(hass.config.time_zone)
+    return _cached_timezone
+
 
 def str_to_float(input, entity=None) -> float:
     """Transform float to string."""
@@ -120,7 +130,10 @@ def unix_to_datetime(epoch_timestamp, hass=None):
     datetime_utc = datetime.datetime.fromtimestamp(int(epoch_timestamp), pytz.UTC)
 
     # Convert UTC datetime to the desired timezone
-    timezone = pytz.timezone(hass.config.time_zone)
+    timezone = hass.data[DOMAIN].get("timezone")
+    if timezone is None:
+        timezone = pytz.UTC  # Fallback in case timezone isn't cached properly
+
     datetime_with_timezone = datetime_utc.astimezone(timezone)
 
     # Subtract 2 hours from the timestamp