optimize app launch, code cleanup

src/mousam.py

@@ -10,7 +10,7 @@
 
 
 # module import
-from .utils import create_toast, check_internet_connection
+from .utils import create_toast, check_internet_connection, get_time_difference
 from .constants import bg_css
 from .windowAbout import AboutWindow
 from .windowPreferences import WeatherPreferences
@@ -219,9 +219,14 @@ def _load_weather_data(self):
         apd = threading.Thread(target=fetch_current_air_pollution, name="apt")
         apd.start()
 
-        apd.join()
+        lat,lon = settings.selected_city.split(",")
+        local_time = threading.Thread(target=get_time_difference,args=(lat,lon, True), name="local_time")
+        local_time.start()
+
         hfd.join()
         dfd.join()
+        apd.join()
+        local_time.join()
         self.get_weather()
 
     # ===========  Load weather data and create UI ============

src/utils.py

@@ -1,19 +1,11 @@
 import requests
 import socket
-import json
-from datetime import datetime, timedelta, timezone
+from datetime import datetime
 import time
 from gi.repository import Adw
 from .config import settings
 
-current_weather_data = None
-air_pollution_data = None
-forecast_weather_data = None
-epoch_offset = None
-
-global local_time_data
 local_time_data = dict()
-
 TIMEOUT = 5
 domains = {
     "google": "http://www.google.com",
@@ -55,74 +47,31 @@ def check_internet_connection():
     return False
 
 
-def get_selected_city_coords():
-    selected_city = int(str(settings.selected_city))
-    added_cities = list(settings.added_cities)
-    city_loc = added_cities[selected_city].split(",")
-    return city_loc[-2], city_loc[-1]  # latitude,longitude
-
-
 def create_toast(text, priority=0):
     toast = Adw.Toast.new(text)
     toast.set_priority(Adw.ToastPriority(priority))
     return toast
 
 
-def convert_to_local_time(timestamp, timezone_stamp):
-    hour_offset_from_utc = (timezone_stamp) / 3600
-    return datetime.fromtimestamp(timestamp, tz=timezone.utc) + timedelta(
-        hours=hour_offset_from_utc
-    )
-
-
 def get_cords():
     selected_city_ = settings.selected_city
     return [float(x) for x in selected_city_.split(",")]
 
 
-def get_tz_offset_by_cord(lat, lon):
-    global epoch_offset
-
-    if epoch_offset is None:
-        url = f"https://api.geotimezone.com/public/timezone?latitude={lat}&longitude={lon}"
-
-        res = requests.get(url)
-        if res.status_code != 200:
-            return 0
-
-        res = json.loads(res.text)
-        if res.get("offset") is None:
-            return 0
-
-        offset_arr = res.get("offset")[3:].split(":")
-        offset_arr = [int(x) for x in offset_arr]
-        epoch_hr = abs(offset_arr[0]) * 3600
-        epoch_s = 0
-
-        if len(offset_arr) > 1:
-            epoch_s = offset_arr[1] * 60
-
-        epoch_offset = epoch_hr + epoch_s
-        if offset_arr[0] < 0:
-            epoch_offset *= -1
-
-    return epoch_offset
-
-
-def get_time_difference(target_latitude, target_longitude):
+def get_time_difference(target_latitude, target_longitude, force=False):
     global local_time_data
-    
+
     cord_str = f"{target_latitude}_{target_longitude}"
-    if local_time_data.get(cord_str) is not None:
+    if force is False and local_time_data.get(cord_str) is not None:
         return local_time_data[cord_str]
-    
+
     # Get current time in the target location using timeapi.io
     url = f"https://timeapi.io/api/Time/current/coordinate?latitude={target_latitude}&longitude={target_longitude}"
     target_time_response = requests.get(url)
     target_time_data = target_time_response.json()
     target_current_time = target_time_data["dateTime"]
     target_time = datetime.strptime(target_current_time[:26], "%Y-%m-%dT%H:%M:%S.%f")
-    
+
     epoch_diff = time.time() - target_time.timestamp()
     data = {"epoch_diff": epoch_diff, "target_time": target_time.timestamp()}
     local_time_data[cord_str] = data