applicationrow: download list of available files first, rather than trying to download each one

src/widgets/applicationrow.py

@@ -2,11 +2,13 @@ import os
 import urllib.request
 import threading
 from gi.repository import Adw, Gtk, GdkPixbuf, Gio, GLib, Gdk
+from bs4 import BeautifulSoup  # Не забудьте установить BeautifulSoup4
 
 class IconLoader:
     BASE_URL = "https://download.etersoft.ru/pub/Etersoft/XimperLinux/eepm_play_gui/icons/"
     SUPPORTED_EXTENSIONS = ['png', 'jpg', 'svg']
     CACHE_DIR = os.path.join(os.path.expanduser("~"), ".cache", "ru.eepm.PlayGUI", "apps_icons")
+    available_files = set()
 
     @classmethod
     def ensure_cache_dir(cls):
@@ -30,7 +32,11 @@ class IconLoader:
 
         def load_icon():
             for ext in cls.SUPPORTED_EXTENSIONS:
-                icon_url = f"{cls.BASE_URL}{icon_name}.{ext}"
+                icon_filename = f"{icon_name}.{ext}"
+                if icon_filename not in cls.available_files:
+                    continue  # Пропустить загрузку, если файл отсутствует
+
+                icon_url = f"{cls.BASE_URL}{icon_filename}"
                 try:
                     with urllib.request.urlopen(icon_url) as response:
                         input_stream = Gio.MemoryInputStream.new_from_data(response.read(), None)
@@ -43,10 +49,27 @@ class IconLoader:
                         return
 
                 except Exception as e:
-                    print(f"Icon for {icon_name} not found in {ext}: {e}")
+                    print(f"Failed to load {icon_name}.{ext}: {e}")
 
         threading.Thread(target=load_icon, daemon=True).start()
 
+    @classmethod
+    def fetch_file_list(cls):
+        print("fetch file list...")
+        try:
+            with urllib.request.urlopen(cls.BASE_URL) as response:
+                html = response.read()
+                soup = BeautifulSoup(html, 'html.parser')
+
+                # Ищем ссылки на файлы
+                for link in soup.find_all('a'):
+                    href = link.get('href')
+                    if any(href.endswith(ext) for ext in cls.SUPPORTED_EXTENSIONS):
+                        cls.available_files.add(href)
+
+        except Exception as e:
+            print(f"Failed to fetch file list: {e}")
+
 class ApplicationRow(Adw.ActionRow):
     __gtype_name__ = 'ApplicationRow'
 
@@ -103,3 +126,6 @@ class ApplicationRow(Adw.ActionRow):
         else:
             # self.add_css_class("unchanged")
             print("marked-unchanged")
+
+# Загрузить список доступных файлов при запуске
+IconLoader.fetch_file_list()