implemented `epm play --product-alternatives` support

src/tools/appsmanager.py

@@ -48,9 +48,13 @@ class ApplicationManager:
             parts = line.split(' - ', 1)  # Ограничить сплит до 2 частей
             if len(parts) == 2:
                 name, dscr = map(str.strip, parts)
+
+                alternatives = ApplicationManager.get_alternatives(name)
+
                 applications.append({
                     'name': name.replace('&', '&'),
-                    'dscr': dscr.replace('&', '&')
+                    'dscr': dscr.replace('&', '&'),
+                    "alt": alternatives.split()
                 })
             else:
                 # Логгирование некорректной строки для диагностики
@@ -59,6 +63,14 @@ class ApplicationManager:
         return applications
 
     @staticmethod
+    def get_alternatives(name):
+        alternatives, stderr = subprocess.Popen([
+            "epm", "play", "--product-alternatives", name
+        ], stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True, bufsize=1
+        ).communicate()
+        return alternatives
+
+    @staticmethod
     def parse_installed_applications_output(output):
         lines = output.splitlines()[1:]
         return [line.split(' - ')[0].strip().split()[0] for line in lines]

src/widgets/applicationrow.py

@@ -77,7 +77,6 @@ class ApplicationRow(Adw.ActionRow):
         super().__init__(title=app['name'], subtitle=app['dscr'])
         self.app = app
         self.is_installed = is_installed
-
         self.set_selectable(False)
         self.set_activatable(True)
 
@@ -86,6 +85,22 @@ class ApplicationRow(Adw.ActionRow):
         self.add_prefix(self.icon_image)
 
         IconLoader.load_icon_async(self.app['name'], self.set_icon)
+        self.have_alternatives = False
+
+        alternatives = Gtk.StringList()
+        if app["alt"]:
+            self.have_alternatives = True
+            alternatives.append("default")
+
+            for alternative in app["alt"]:
+                alternatives.append(alternative)
+
+            self.alt_dropdown = Gtk.DropDown()
+            self.alt_dropdown.props.model = alternatives
+            self.alt_dropdown.set_valign(Gtk.Align.CENTER)
+            self.alt_dropdown.set_halign(Gtk.Align.CENTER)
+
+            self.add_suffix(self.alt_dropdown)
 
         self.checkbox = Gtk.CheckButton()
         self.checkbox.add_css_class("selection-mode")

src/window.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
-from gi.repository import Gtk, Adw, GObject
+from gi.repository import Gtk, Adw, GObject, GLib
 
 import gettext
 
@@ -114,24 +114,35 @@ class EepmPlayGuiWindow(Adw.ApplicationWindow):
 
         self.props.is_loading = True
 
-        self.update_button_status()
-
         ApplicationManager.get_available_applications(self.on_applications_loaded)
         ApplicationManager.get_installed_applications(self.on_installed_apps_loaded)
 
     def on_installed_apps_loaded(self, installed_apps, error=None):
         if error:
             print(f"Error: {error}")
-        else:
-            self.installed_apps = installed_apps
-            self.clear_choice_listbox()
+            self.props.is_loading = False
+            return
 
-            self.rows = {}
-            for app in self.applications:
-                self.add_application_row(app)
+        self.installed_apps = installed_apps
+        self.clear_choice_listbox()
+        self.rows = {}
+        GLib.timeout_add(100, self.check_applications_loaded)
 
-            self.choice_listbox.invalidate_filter()
-            self.props.is_loading = False
+    def check_applications_loaded(self):
+        if self.applications is not None:
+            print("Applications loaded. Updating UI...")
+            self.populate_choice_listbox()
+            self.update_button_status()
+            return False
+
+        return True
+
+    def populate_choice_listbox(self):
+        for app in self.applications:
+            self.add_application_row(app)
+
+        self.choice_listbox.invalidate_filter()
+        self.props.is_loading = False
 
     def clear_choice_listbox(self):
         self.choice_listbox.remove_all()
@@ -152,7 +163,7 @@ class EepmPlayGuiWindow(Adw.ApplicationWindow):
 
     def update_button_status(self):
         """Update the button status based on the current selection."""
-        to_install, to_remove = self.get_install_remove_lists()
+        to_install, to_remove = self.get_current_status()
 
         button_states = {
             (True, True): (_("Remove and install applications"), "suggested-action"),
@@ -171,6 +182,22 @@ class EepmPlayGuiWindow(Adw.ApplicationWindow):
         # Add the new CSS class
         self.apply_button.add_css_class(css_class)
 
+    def get_current_status(self):
+        installed_apps = self.installed_apps or []
+        rows = self.rows or {}
+
+        to_install = [
+            app_name for app_name, row in rows.items()
+            if row.checkbox.get_active() and app_name not in installed_apps
+        ]
+
+        to_remove = [
+            app_name for app_name, row in rows.items()
+            if not row.checkbox.get_active() and app_name in installed_apps
+        ]
+
+        return to_install, to_remove
+
     def on_search_changed(self, search_entry):
         self.choice_listbox.invalidate_filter()  # Обновление фильтра при изменении поиска
 
@@ -233,7 +260,8 @@ class EepmPlayGuiWindow(Adw.ApplicationWindow):
         rows = self.rows or {}
 
         to_install = [
-            app_name for app_name, row in rows.items()
+            app_name + "=" + row.alt_dropdown.props.selected_item.props.string if row.have_alternatives and row.alt_dropdown.props.selected_item.props.string != "default" else app_name
+            for app_name, row in rows.items()
             if row.checkbox.get_active() and app_name not in installed_apps
         ]