move about dialog to about.py for clarity

po/POTFILES.in

@@ -5,6 +5,7 @@ data/ru.ximperlinux.TuneIt.metainfo.xml.in
 data/ru.ximperlinux.TuneIt.gschema.xml
 data/ru.ximperlinux.TuneIt.Daemon.policy
 
+src/about.py
 src/main.py
 src/window.py
 src/window.blp

src/about.py

+# about.py
+#
+# Copyright 2025 Etersoft
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from gi.repository import Adw
+
+developers = [
+    "Roman Alifanov https://gitlab.eterfund.ru/ximper",
+    "Anton Palgunov https://gitlab.eterfund.ru/Toxblh",
+    "Kirill Unitsaev https://gitlab.eterfund.ru/fiersik",
+    "Vladimir Vaskov <rirusha@altlinux.org>"
+]
+
+def build_about_dialog() -> Adw.AboutDialog:
+    about = Adw.AboutDialog(
+        application_name='tuneit',
+        application_icon='ru.ximperlinux.TuneIt',
+        developer_name='Etersoft',
+        version=tuneit_config.VERSION,
+        developers=developers,
+        copyright='© 2024-2025 Etersoft'
+    )
+
+    # Translators: Replace "translator-credits" with your name/username, and optionally an email or URL.
+    about.set_translator_credits(_('translator-credits'))
+    return about

src/main.py

@@ -25,6 +25,7 @@ gi.require_version('Adw', '1')
 
 from gi.repository import Gtk, Gio, Adw
 from .window import TuneitWindow
+from .about import build_about_dialog
 
 def get_main_window():
     return _application.props.active_window
@@ -58,14 +59,7 @@ class TuneitApplication(Adw.Application):
 
     def on_about_action(self, *args):
         """Callback for the app.about action."""
-        about = Adw.AboutDialog(application_name='tuneit',
-                                application_icon='ru.ximperlinux.TuneIt',
-                                developer_name='Etersoft',
-                                version=tuneit_config.VERSION,
-                                developers=['Ximper'],
-                                copyright='© 2024 Etersoft')
-        # Translators: Replace "translator-credits" with your name/username, and optionally an email or URL.
-        about.set_translator_credits(_('translator-credits'))
+        about = build_about_dialog()
         about.present(self.props.active_window)
 
     def on_preferences_action(self, widget, _):