From 60c13da64ec24a29f597522bc548702f5de1c61e Mon Sep 17 00:00:00 2001
From: Dmitriy Yefremov <dmitry.v.yefremov@gmail.com>
Date: Thu, 30 Nov 2017 00:45:52 +0300
Subject: [PATCH] little try optimization

---
 app/commons.py            | 12 ------------
 app/ui/main_app_window.py | 14 ++++++--------
 2 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/app/commons.py b/app/commons.py
index e1f29108..ca082c77 100644
--- a/app/commons.py
+++ b/app/commons.py
@@ -4,7 +4,6 @@ from threading import Thread
 
 from gi.repository import GLib
 
-
 _LOG_FILE = "app_log.log"
 _DATE_FORMAT = "%d-%m-%y %H:%M:%S"
 _LOGGER_NAME = "main_logger"
@@ -44,16 +43,5 @@ def run_task(func):
     return wrapper
 
 
-def catch_exceptions(func):
-    @wraps(func)
-    def wrapper(*args, **kwargs):
-        try:
-            return func(*args, *kwargs)
-        except Exception as e:
-            log(e)
-            
-    return wrapper
-
-
 if __name__ == "__main__":
     pass
diff --git a/app/ui/main_app_window.py b/app/ui/main_app_window.py
index 4ba7cc19..61b6836c 100644
--- a/app/ui/main_app_window.py
+++ b/app/ui/main_app_window.py
@@ -1,5 +1,6 @@
 import os
 from contextlib import suppress
+from functools import lru_cache
 
 from app.commons import run_idle
 from app.eparser import get_blacklist, write_blacklist, to_bouquet_id
@@ -430,7 +431,7 @@ class MainAppWindow:
             self.append_blacklist(data_path)
             self.append_services(data_path)
             self.append_bouquets(data_path)
-            self.update_services_counts()
+            self.update_services_counts(len(self.__services_model))
         except FileNotFoundError as e:
             show_dialog("error_dialog", self.__main_window, getattr(e, "message", str(e)) +
                         "\n\nPlease, download files from receiver or setup your path for read data!")
@@ -670,16 +671,13 @@ class MainAppWindow:
         if model_name == self._FAV_LIST_NAME:
             self.__fav_count_label.set_text(str(len(model)))
         elif model_name == self._SERVICE_LIST_NAME:
-            self.update_services_counts()
+            self.update_services_counts(len(model))
         elif model_name == self._BOUQUETS_LIST_NAME:
             self.__bouquets_count_label.set_text(str(len(self.__bouquets.keys())))
 
-    @run_idle
-    def update_services_counts(self):
-        """ Updates counters for services
-
-            May be temporary! (Needs optimising.)
-        """
+    @lru_cache(maxsize=1)
+    def update_services_counts(self, size=0):
+        """ Updates counters for services. May be temporary! """
         tv_count = 0
         radio_count = 0
         data_count = 0