code clean up and reduce algo complexity

utils.py

@@ -0,0 +1,41 @@
+import traceback
+from functools import wraps
+from threading import Semaphore, Timer
+
+import requests
+
+from MyLogger import logger
+
+
+def get_temp(latitude, longitude, api_key):
+    try:
+        weather_rep = requests.get("https://api.openweathermap.org/data/2.5/onecall",
+                                   params={"lat": latitude, "lon": longitude,
+                                           "exclude": "minutely,hourly,daily,alerts",
+                                           "appid": api_key,
+                                           "units": "metric"})
+        temp = weather_rep.json()["current"]["temp"]
+        logger.debug("Temperature :%fc", temp)
+    except ConnectionError:
+        logger.error("Can't connect to openweathermap :%s", traceback.format_exc())
+    except KeyError:
+        logger.error("Unable to get temperature from openweathermap :%s", traceback.format_exc())
+
+
+def rate_limit(limit, every):
+    def limit_decorator(fn):
+        semaphore = Semaphore(limit)
+
+        @wraps(fn)
+        def wrapper(*args, **kwargs):
+            semaphore.acquire()
+            try:
+                return fn(*args, **kwargs)
+            finally:  # don't catch but ensure semaphore release
+                timer = Timer(every, semaphore.release)
+                timer.setDaemon(True)  # allows the timer to be canceled on exit
+                timer.start()
+
+        return wrapper
+
+    return limit_decorator