Fix pytz blocking call warnings

config/configuration.yaml

@@ -1,9 +1,9 @@
 default_config:
 
-logger:
-  default: warning
-  logs:
-    custom_components.energidataservice: debug
+#logger:
+#  default: warning
+#  logs:
+#    custom_components.energidataservice: debug
 
 # If you need to debug uncomment the line below (doc: https://www.home-assistant.io/integrations/debugpy/)
 # debugpy:

custom_components/energidataservice/api.py

@@ -8,6 +8,7 @@
 from importlib import import_module
 from logging import getLogger
 
+import homeassistant.util.dt as dt_util
 import voluptuous as vol
 from aiohttp import ClientConnectorError, ServerDisconnectedError
 from homeassistant.config_entries import ConfigEntry
@@ -85,7 +86,8 @@ def __init__(
         self._region = RegionHandler(
             (entry.options.get(CONF_AREA) or entry.data.get(CONF_AREA)) or "FIXED"
         )
-        self._tz = hass.config.time_zone
+        # self._tz = hass.config.time_zone
+        self._tz = dt_util.get_default_time_zone()
         self._source = None
         self.forecast = entry.options.get(CONF_ENABLE_FORECAST) or False
         self.tariff = entry.options.get(CONF_ENABLE_TARIFFS) or False
@@ -202,8 +204,7 @@ async def update(self, dt=None) -> None:  # type: ignore pylint: disable=unused-
 
                 midnight = datetime.strptime("23:59:59", "%H:%M:%S")
                 refresh = datetime.strptime(self.next_data_refresh, "%H:%M:%S")
-                datetime.utcnow()
-                now_local = datetime.now().astimezone(timezone(self._tz))
+                now_local = dt_util.now(self._tz)
 
                 _LOGGER.debug(
                     "Now: %s:%s:%s (local time)",

custom_components/energidataservice/connectors/energidataservice/__init__.py

@@ -6,7 +6,7 @@
 from datetime import datetime, timedelta
 from logging import getLogger
 
-import pytz
+import homeassistant.util.dt as dt_util
 
 from ...const import CO2INTERVAL, INTERVAL
 from .regions import CO2REGIONS, REGIONS
@@ -24,15 +24,15 @@
 
 def prepare_data(indata, date, tz) -> list:  # pylint: disable=invalid-name
     """Get today prices."""
-    local_tz = pytz.timezone(tz)
+    local_tz = dt_util.get_default_time_zone()
     reslist = []
     for dataset in indata:
         tmpdate = (
             datetime.fromisoformat(dataset["HourUTC"])
-            .replace(tzinfo=pytz.utc)
+            .replace(tzinfo=dt_util.UTC)
             .astimezone(local_tz)
         )
-        tmp = INTERVAL(dataset["SpotPriceEUR"], local_tz.normalize(tmpdate))
+        tmp = INTERVAL(dataset["SpotPriceEUR"], tmpdate)
         if date in tmp.hour.strftime("%Y-%m-%d"):
             reslist.append(tmp)
 
@@ -41,15 +41,15 @@ def prepare_data(indata, date, tz) -> list:  # pylint: disable=invalid-name
 
 def prepare_co2_data(indata, date, tz) -> list:  # pylint: disable=invalid-name
     """Prepare the CO2 data and return a list."""
-    local_tz = pytz.timezone(tz)
+    local_tz = dt_util.get_default_time_zone()
     reslist = []
     for dataset in indata:
         tmpdate = (
             datetime.fromisoformat(dataset["Minutes5UTC"])
-            .replace(tzinfo=pytz.utc)
+            .replace(tzinfo=dt_util.UTC)
             .astimezone(local_tz)
         )
-        tmp = CO2INTERVAL(dataset["CO2Emission"], local_tz.normalize(tmpdate))
+        tmp = CO2INTERVAL(dataset["CO2Emission"], tmpdate)
         if date in tmp.hour.strftime("%Y-%m-%d"):
             reslist.append(tmp)
 

custom_components/energidataservice/connectors/nordpool/__init__.py

@@ -6,6 +6,7 @@
 import logging
 from datetime import datetime, timedelta
 
+import homeassistant.util.dt as dt_util
 import pytz
 
 from ...const import INTERVAL
@@ -22,16 +23,18 @@
 
 DEFAULT_CURRENCY = "EUR"
 
+TIMEZONE = pytz.timezone("Europe/Stockholm")
+
 __all__ = ["REGIONS", "Connector", "DEFAULT_CURRENCY"]
 
 
 def prepare_data(indata, date, tz) -> list:  # pylint: disable=invalid-name
     """Get today prices."""
-    local_tz = pytz.timezone(tz)
+    local_tz = dt_util.get_default_time_zone()
     reslist = []
     for dataset in indata:
         tmpdate = datetime.fromisoformat(dataset["HourUTC"]).astimezone(local_tz)
-        tmp = INTERVAL(dataset["SpotPriceEUR"], local_tz.normalize(tmpdate))
+        tmp = INTERVAL(dataset["SpotPriceEUR"], tmpdate)
         if date in tmp.hour.strftime("%Y-%m-%d"):
             reslist.append(tmp)
 
@@ -104,7 +107,6 @@ async def _fetch(self, enddate: datetime) -> str:
     def _parse_json(self, data) -> list:
         """Parse json response."""
         # Timezone for data from Nord Pool Group are "Europe/Stockholm"
-        timezone = pytz.timezone("Europe/Stockholm")
 
         if "data" not in data:
             return []
@@ -122,8 +124,8 @@ def _parse_json(self, data) -> list:
         # Loop through response rows
         for row in data["Rows"]:
             start_hour = datetime.isoformat(
-                timezone.localize(datetime.fromisoformat(row["StartTime"])).astimezone(
-                    pytz.utc
+                TIMEZONE.localize(datetime.fromisoformat(row["StartTime"])).astimezone(
+                    dt_util.UTC
                 )
             )
 

custom_components/energidataservice/forecasts/carnot/__init__.py

@@ -5,7 +5,7 @@
 from datetime import datetime
 from logging import getLogger
 
-import pytz
+import homeassistant.util.dt as dt_util
 
 from ...const import INTERVAL
 from .regions import REGIONS
@@ -23,20 +23,20 @@
 
 def prepare_data(indata, tz) -> list | None:  # pylint: disable=invalid-name
     """Get today prices."""
-    local_tz = pytz.timezone(tz)
+    local_tz = dt_util.get_default_time_zone()
     reslist = []
     if not isinstance(indata, type(None)):
         now = datetime.now()
         for dataset in indata:
             tmpdate = (
                 datetime.fromisoformat(dataset["utctime"])
-                .replace(tzinfo=pytz.utc)
+                .replace(tzinfo=dt_util.UTC)
                 .astimezone(local_tz)
             )
             if tmpdate.day != now.day:
                 if tmpdate.month == now.month and tmpdate.day < now.day:
                     continue
-                tmp = INTERVAL(dataset["prediction"], local_tz.normalize(tmpdate))
+                tmp = INTERVAL(dataset["prediction"], tmpdate)
                 reslist.append(tmp)
         return reslist