picon[cz] downloader improvement

* Added caching [as tmp] of the permalinks file.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2025 Dmitriy Yefremov
+Copyright (c) 2018-2026 Dmitriy Yefremov
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

app/commons.py

@@ -1,9 +1,38 @@
+# -*- coding: utf-8 -*-
+#
+# The MIT License (MIT)
+#
+# Copyright (c) 2018-2026 Dmitriy Yefremov
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# Author: Dmitriy Yefremov <https://github.com/DYefremov>
+#
+
+
 import logging
 from collections import defaultdict
 from functools import wraps
-from threading import Thread, Timer
+from threading import Timer
 
 from gi.repository import GLib
+from gi.repository.Gio import Task
 
 _LOG_FILE = "demon-editor.log"
 LOG_DATE_FORMAT = "%d-%m-%y %H:%M:%S"
@@ -41,12 +70,12 @@ def run_idle(func):
 
 
 def run_task(func):
-    """ Runs function in separate thread """
+    """ Runs a function in a separate thread. """
 
     @wraps(func)
     def wrapper(*args, **kwargs):
-        task = Thread(target=func, args=args, kwargs=kwargs, daemon=True)
-        task.start()
+        task = Task()
+        task.run_in_thread(lambda t, s, d, c: func(*args, **kwargs))
 
     return wrapper
 

app/tools/epg.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2025 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -257,62 +257,64 @@ class XmlTvReader(Reader):
             log(f"{self.__class__.__name__} [download] error: Invalid URL {self._url}")
             return
 
-        with requests.get(url=self._url, stream=True) as resp:
-            if resp.reason == "OK":
-                suf = self._url[self._url.rfind("."):]
-                if suf not in self.SUFFIXES:
-                    log(f"{self.__class__.__name__} [download] error: Unsupported file extension.")
-                    return
+        try:
+            with requests.get(url=self._url, stream=True, timeout=(5, 5)) as resp:
+                if resp.reason == "OK":
+                    suf = self._url[self._url.rfind("."):]
+                    if suf not in self.SUFFIXES:
+                        log(f"{self.__class__.__name__} [download] error: Unsupported file extension.")
+                        return
 
-                data_size = resp.headers.get("content-length")
-                if not data_size:
-                    log(f"{self.__class__.__name__} [download *.{suf}] error: Error getting data size.")
-                    if clb:
-                        clb()
-                    return
+                    data_size = resp.headers.get("content-length")
+                    if not data_size:
+                        log(f"{self.__class__.__name__} [download *.{suf}] error: Error getting data size.")
+                        return
 
-                with NamedTemporaryFile(suffix=suf, delete=not IS_WIN) as tf:
-                    downloaded = 0
-                    data_size = int(data_size)
-                    completed = set()
+                    with NamedTemporaryFile(suffix=suf, delete=not IS_WIN) as tf:
+                        downloaded = 0
+                        data_size = int(data_size)
+                        completed = set()
 
-                    for data in resp.iter_content(chunk_size=1024):
-                        downloaded += len(data)
-                        tf.write(data)
-                        done = int(100 * downloaded / data_size)
-                        if done % 25 == 0 and done not in completed:
-                            completed.add(done)
-                            log(f"Downloading XMLTV file...{done}%" if done < 100 else "XMLTV file download complete.")
-                    tf.seek(0)
+                        for data in resp.iter_content(chunk_size=128):
+                            downloaded += len(data)
+                            tf.write(data)
+                            done = int(100 * downloaded / data_size)
+                            if done % 25 == 0 and done not in completed:
+                                completed.add(done)
+                                log(f"Downloading XMLTV file...{done}%" if done < 100 else "XMLTV file download complete.")
+                        tf.seek(0)
 
-                    os.makedirs(os.path.dirname(self._path), exist_ok=True)
+                        os.makedirs(os.path.dirname(self._path), exist_ok=True)
 
-                    if suf.endswith(".gz"):
-                        try:
-                            shutil.copyfile(tf.name, self._path)
-                        except OSError as e:
-                            log(f"{self.__class__.__name__} [download *.gz] error: {e}")
-                    elif self._url.endswith((".xz", ".lzma")):
-                        import lzma
+                        if suf.endswith(".gz"):
+                            try:
+                                shutil.copyfile(tf.name, self._path)
+                            except OSError as e:
+                                log(f"{self.__class__.__name__} [download *.gz] error: {e}")
+                        elif self._url.endswith((".xz", ".lzma")):
+                            import lzma
 
-                        try:
-                            with lzma.open(tf, "rb") as lzf:
-                                shutil.copyfileobj(lzf, self._path)
-                        except (lzma.LZMAError, OSError) as e:
-                            log(f"{self.__class__.__name__} [download *.xz] error: {e}")
-                    else:
-                        try:
-                            import gzip
-                            with gzip.open(self._path, "wb") as f_out:
-                                shutil.copyfileobj(tf, f_out)
-                        except OSError as e:
-                            log(f"{self.__class__.__name__} [download *.xml] error: {e}")
+                            try:
+                                with lzma.open(tf, "rb") as lzf:
+                                    shutil.copyfileobj(lzf, self._path)
+                            except (lzma.LZMAError, OSError) as e:
+                                log(f"{self.__class__.__name__} [download *.xz] error: {e}")
+                        else:
+                            try:
+                                import gzip
+                                with gzip.open(self._path, "wb") as f_out:
+                                    shutil.copyfileobj(tf, f_out)
+                            except OSError as e:
+                                log(f"{self.__class__.__name__} [download *.xml] error: {e}")
 
-                    if IS_WIN and os.path.isfile(tf.name):
-                        tf.close()
-                        os.remove(tf.name)
-            else:
-                log(f"{self.__class__.__name__} [download] error: {resp.reason}")
+                        if IS_WIN and os.path.isfile(tf.name):
+                            tf.close()
+                            os.remove(tf.name)
+                else:
+                    log(f"{self.__class__.__name__} [download] error: {resp.reason}")
+        except requests.exceptions.RequestException as e:
+            log(f"{self.__class__.__name__} [download] error: {e}")
+            return
 
         if clb:
             clb()

app/tools/picons.py

@@ -31,9 +31,13 @@ import os
 import re
 import shutil
 import subprocess
+import tempfile
 from collections import namedtuple
+from datetime import datetime
 from enum import IntEnum
 from html.parser import HTMLParser
+from io import BytesIO
+from pathlib import Path
 
 import requests
 
@@ -74,48 +78,76 @@ class PiconsCzDownloader:
         self._provider_logos = {}
         self._picon_ids = picon_ids
         self._appender = appender
+        self._logo_map = self.get_logos_map()
+        self._name_map = self.get_name_map()
+        self._perm_cache_file = Path(tempfile.gettempdir()).joinpath("picon_cz_links")
         # subprocess creation flags
         self._sbp_flags = subprocess.CREATE_NO_WINDOW if IS_WIN else 0
 
+    @property
+    def providers(self):
+        return self._providers
+
     def init(self):
         """ Initializes dict with values: download_id -> perm link and provider data.  """
         if self._perm_links:
             return
 
-        self._HEADER["Referer"] = self._PERM_URL
+        if self._perm_cache_file.exists():
+            st = self._perm_cache_file.stat()
+            dif = datetime.now() - datetime.fromtimestamp(st.st_mtime)
+            # We will update daily.
+            if dif.days > 0:
+                self.download_permalinks()
+        else:
+            self.download_permalinks()
 
+        self.read_permalinks()
+
+    def download_permalinks(self):
+        self._HEADER["Referer"] = self._PERM_URL
         with requests.get(url=self._PERM_URL, headers=self._HEADER, stream=True) as request:
             if request.reason == "OK":
-                logo_map = self.get_logos_map()
-                name_map = self.get_name_map()
+                log(f"{self.__class__.__name__}: downloading permalinks file...")
+                buf = BytesIO()
+                [buf.write(chunk) for chunk in request.iter_content(chunk_size=128)]
+                buf.seek(0)
 
-                for line in request.iter_lines():
-                    data = line.decode(encoding="utf-8", errors="ignore").split(maxsplit=1)
-                    if len(data) != 2:
-                        continue
-
-                    l_id, perm_link = data
-                    self._perm_links[str(l_id)] = str(perm_link)
-                    data = re.match(self._LINK_PATTERN, perm_link)
-                    if data:
-                        sat_pos = data.group(3)
-                        # Logo url.
-                        logo = logo_map.get(data.group(2), None)
-                        l_name = name_map.get(sat_pos, None) or sat_pos.replace(".", "")
-                        logo_url = f"{self._BASE_LOGO_URL}{logo}/{l_name}.png" if logo else None
-
-                        prv = Provider(None, data.group(1), sat_pos, self._BASE_URL + l_id, l_id, logo_url, None, False)
-                        if sat_pos in self._providers:
-                            self._providers[sat_pos].append(prv)
-                        else:
-                            self._providers[sat_pos] = [prv]
+                self._perm_cache_file.touch()
+                self._perm_cache_file.write_bytes(buf.read())
             else:
                 log(f"{self.__class__.__name__} [get permalinks] error: {request.reason}")
                 raise PiconsError(request.reason)
 
-    @property
-    def providers(self):
-        return self._providers
+    def read_permalinks(self):
+        with self._perm_cache_file.open(encoding="utf-8", errors="ignore") as f:
+            for l in f.readlines():
+                data = l.split(maxsplit=1)
+                if len(data) != 2:
+                    continue
+
+                data = l.split(maxsplit=1)
+                if len(data) != 2:
+                    continue
+
+                l_id, perm_link = data
+                self._perm_links[str(l_id)] = str(perm_link)
+                self.update_provider_data(l_id, perm_link)
+
+    def update_provider_data(self, l_id, perm_link):
+        data = re.match(self._LINK_PATTERN, perm_link)
+        if data:
+            sat_pos = data.group(3)
+            # Logo url.
+            logo = self._logo_map.get(data.group(2), None)
+            l_name = self._name_map.get(sat_pos, None) or sat_pos.replace(".", "")
+            logo_url = f"{self._BASE_LOGO_URL}{logo}/{l_name}.png" if logo else None
+
+            prv = Provider(None, data.group(1), sat_pos, self._BASE_URL + l_id, l_id, logo_url, None, False)
+            if sat_pos in self._providers:
+                self._providers[sat_pos].append(prv)
+            else:
+                self._providers[sat_pos] = [prv]
 
     def get_sat_providers(self, url):
         return self._providers.get(url, [])
@@ -215,7 +247,8 @@ class PiconsCzDownloader:
         except requests.exceptions.ConnectionError as e:
             log(f"{self.__class__.__name__} error [get provider logo]: {e}")
 
-    def get_logos_map(self):
+    @staticmethod
+    def get_logos_map():
         return {"piconblack": "b50",
                 "picontransparent": "t50",
                 "piconwhite": "w50",
@@ -240,7 +273,8 @@ class PiconsCzDownloader:
                 "piconSNPblack": "b50",
                 }
 
-    def get_name_map(self):
+    @staticmethod
+    def get_name_map():
         return {"antiksat": "ANTIK",
                 "digiczsk": "DIGI",
                 "DTTitaly": "picon_trs-it",

app/ui/dialogs.glade

@@ -40,7 +40,7 @@ Author: Dmitriy Yefremov
     <property name="icon_name">system-help</property>
     <property name="type_hint">normal</property>
     <property name="program_name">DemonEditor</property>
-    <property name="version">3.14.3 Beta</property>
+    <property name="version">3.14.4 Beta</property>
     <property name="copyright">2018-2026 Dmitriy Yefremov
 </property>
     <property name="comments" translatable="yes">Enigma2 channel and satellite list editor.</property>
@@ -158,6 +158,7 @@ Author: Dmitriy Yefremov
     <property name="can_focus">False</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
+    <property name="width-request">170</property>
     <property name="window_position">center-on-parent</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">splashscreen</property>
@@ -166,19 +167,19 @@ Author: Dmitriy Yefremov
     <property name="decorated">False</property>
     <child>
       <object class="GtkBox" id="wait_dialog_box">
-        <property name="width_request">100</property>
         <property name="visible">True</property>
         <property name="can_focus">False</property>
-        <property name="margin_top">5</property>
-        <property name="margin_bottom">5</property>
+        <property name="margin-top">10</property>
+        <property name="margin-bottom">10</property>
+        <property name="margin-start">10</property>
+        <property name="margin_end">10</property>
         <property name="orientation">vertical</property>
         <child>
-          <object class="GtkSpinner" id="spinner">
-            <property name="width_request">150</property>
-            <property name="height_request">45</property>
-            <property name="visible">True</property>
+          <object class="LoadingProgressBar" id="progress">
+            <property name="visible" bind-source="wait_dialog" bind-property="visible">True</property>
             <property name="can_focus">False</property>
-            <property name="active">True</property>
+            <property name="show-text">True</property>
+            <property name="text" translatable="yes">Loading data...</property>
           </object>
           <packing>
             <property name="expand">False</property>
@@ -186,24 +187,10 @@ Author: Dmitriy Yefremov
             <property name="position">0</property>
           </packing>
         </child>
-        <child>
-          <object class="GtkLabel" id="wait_dialog_label">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="margin_left">10</property>
-            <property name="margin_right">10</property>
-            <property name="label" translatable="yes">Loading data...</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
       </object>
     </child>                          <!-- NOP -->
     <style>
-      <class name="app-notification"/>
+      <class name="primary-toolbar"/>
     </style>
   </object>
 </interface>

app/ui/dialogs.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2024 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -34,7 +34,7 @@ from functools import lru_cache
 from pathlib import Path
 
 from app.commons import run_idle
-from app.settings import SEP, IS_WIN, USE_HEADER_BAR
+from app.settings import SEP, USE_HEADER_BAR, IS_LINUX
 from .uicommons import Gtk, UI_RESOURCES_PATH, TEXT_DOMAIN
 
 
@@ -101,8 +101,8 @@ class WaitDialog:
         builder, dialog = get_dialog_from_xml(DialogType.WAIT, transient)
         self._dialog = dialog
         self._dialog.set_transient_for(transient)
-        self._label = builder.get_object("wait_dialog_label")
-        self._default_text = text or self._label.get_text()
+        self._progress = builder.get_object("progress")
+        self._default_text = text or self._progress.get_text()
 
     def show(self, text=None):
         self.set_text(text)
@@ -110,7 +110,7 @@ class WaitDialog:
 
     @run_idle
     def set_text(self, text):
-        self._label.set_text(translate(text or self._default_text))
+        self._progress.set_text(translate(text or self._default_text))
 
     @run_idle
     def hide(self):
@@ -228,7 +228,7 @@ def translate(message):
 
 @lru_cache(maxsize=5)
 def get_dialogs_string(path, tag="property"):
-    if IS_WIN:
+    if not IS_LINUX:
         return translate_xml(path, tag)
     else:
         with open(path, "r", encoding="utf-8") as f:
@@ -257,7 +257,7 @@ def get_builder(path, handlers=None, use_str=False, objects=None, tag="property"
 
 
 def translate_xml(path, tag="property"):
-    """ Used to translate GUI from * .glade files in MS Windows.
+    """ Used to translate GUI from *.glade files to macOS and MS Windows.
 
         More info: https://gitlab.gnome.org/GNOME/gtk/-/issues/569
     """

app/ui/epg/epg.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2025 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -568,6 +568,7 @@ class TabEpgSettingsPopover(EpgSettingsPopover):
         self._url_combo_box.get_model().clear()
         [self._url_combo_box.append(i, i) for i in settings.epg_xml_sources if i]
         self._url_combo_box.set_active_id(settings.epg_xml_source)
+        self._remove_url_button.set_sensitive(len(self._url_combo_box.get_model()) > 1)
 
     def on_apply(self, button):
         settings = self._app.app_settings

app/ui/main.glade

@@ -1852,7 +1852,7 @@ Author: Dmitriy Yefremov
                               <object class="GtkLabel" id="app_ver_label">
                                 <property name="visible">True</property>
                                 <property name="can-focus">False</property>
-                                <property name="label">3.14.3 Beta</property>
+                                <property name="label">3.14.4 Beta</property>
                                 <attributes>
                                   <attribute name="weight" value="bold"/>
                                 </attributes>

app/ui/main.py

@@ -69,7 +69,7 @@ from .iptv import (IptvDialog, SearchUnavailableDialog, IptvListConfigurationDia
 from .main_helper import *
 from .picons import PiconManager
 from .search import SearchProvider
-from .service_details_dialog import ServiceDetailsDialog, Action
+from .service_dialog import ServiceDetailsDialog, Action
 from .settings_dialog import SettingsDialog
 from .uicommons import (Gtk, Gdk, UI_RESOURCES_PATH, LOCKED_ICON, HIDE_ICON, IPTV_ICON, MOVE_KEYS, KeyboardKey, Column,
                         MOD_MASK, APP_FONT, Page, HeaderBar, LINK_ICON)
@@ -79,7 +79,7 @@ from .xml.edit import SatellitesTool
 
 class Application(Gtk.Application):
     """ Main application class. """
-    VERSION = "3.14.3"
+    VERSION = "3.14.4"
 
     SERVICE_MODEL = "services_list_store"
     FAV_MODEL = "fav_list_store"
@@ -1109,7 +1109,7 @@ class Application(Gtk.Application):
             return True
         else:
             if len(self._task_box):
-                msg = f"{translate('There are running background tasks!!')}\n\n\t\t{translate('Are you sure?')}"
+                msg = f"{translate('There are running background tasks!')}\n\n\t\t{translate('Are you sure?')}"
                 if show_dialog(DialogType.QUESTION, self._main_window, msg) != Gtk.ResponseType.OK:
                     return True
                 log("Terminating the application...")
@@ -1228,7 +1228,7 @@ class Application(Gtk.Application):
 
         msg = translate("Restart the program to apply all changes.")
         if value:
-            warn = "It can cause some problems."
+            warn = translate("It can cause some problems.")
             msg = f"{translate('EXPERIMENTAL!')} {warn} {msg}"
         self.show_info_message(msg, Gtk.MessageType.WARNING)
 
@@ -1511,15 +1511,14 @@ class Application(Gtk.Application):
                 removed = []
                 for index, itr in enumerate(itrs):
                     path = model.get_path(itr)
-                    row = tuple(model[path])
                     p_index = int(path[0])
+                    removed.append((p_index, tuple(model[path])))
                     del fav_bouquet[p_index]
-
-                    if self._fav_model.remove(itr):
-                        removed.append((index, row))
+                    self._fav_model.remove(itr)
 
                     if index % self.DEL_FACTOR == 0:
                         yield True
+
                 self.update_fav_num_column(model)
                 self.emit("fav-removed", removed)
 
@@ -2151,11 +2150,15 @@ class Application(Gtk.Application):
             name, model = get_model_data(view)
             self.delete_views_selection(name)
         elif event.get_event_type() == Gdk.EventType.DOUBLE_BUTTON_PRESS and event.button == Gdk.BUTTON_PRIMARY:
+            self._select_enabled = True
             if self._settings.main_list_playback and self._fav_click_mode is not PlaybackMode.DISABLED:
                 if view is self._services_view:
                     self.emit("srv-clicked", self._fav_click_mode)
                 elif view is self._iptv_services_view:
                     self.emit("iptv-clicked", self._fav_click_mode)
+            else:
+                if view is not self._fav_view:
+                    self.on_edit()
 
     def on_view_release(self, view, event):
         """ Handles a mouse click (release) to view. """
@@ -3178,9 +3181,9 @@ class Application(Gtk.Application):
     def on_fav_press(self, menu, event):
         if event.get_event_type() == Gdk.EventType.DOUBLE_BUTTON_PRESS:
             if self._fav_click_mode is PlaybackMode.DISABLED:
-                return
-
-            self.emit("fav-clicked", self._fav_click_mode)
+                self.on_service_edit(self._fav_view)
+            else:
+                self.emit("fav-clicked", self._fav_click_mode)
         else:
             return self.on_view_popup_menu(menu, event)
 

app/ui/playback.py

@@ -390,7 +390,7 @@ class PlayerBox(Gtk.Overlay):
             width, height = size
 
         if self._playback_window:
-            self._playback_window.show()
+            self._playback_window.present()
             self._playback_window.set_title(title or self.get_playback_title())
         else:
             self._playback_window = Gtk.Window(title=title or self.get_playback_title(),

app/ui/service_dialog.glade

@@ -3,7 +3,7 @@
 
 The MIT License (MIT)
 
-Copyright (c) 2018-2024 Dmitriy Yefremov
+Copyright (c) 2018-2026 Dmitriy Yefremov
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -32,7 +32,7 @@ Author: Dmitriy Yefremov
   <!-- interface-license-type mit -->
   <!-- interface-name DemonEditor -->
   <!-- interface-description Enigma2 channel and satellite list editor for GNU/Linux. -->
-  <!-- interface-copyright 2018-2024 Dmitriy Yefremov -->
+  <!-- interface-copyright 2018-2026 Dmitriy Yefremov -->
   <!-- interface-authors Dmitriy Yefremov -->
   <object class="GtkListStore" id="fec_list_store">
     <columns>

app/ui/service_dialog.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2025 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -41,7 +41,7 @@ from .dialogs import show_dialog, DialogType, Action, get_builder
 from .main_helper import get_base_model, scroll_to
 from .uicommons import Gtk, Gdk, UI_RESOURCES_PATH, HIDE_ICON, CODED_ICON, Column
 
-_UI_PATH = UI_RESOURCES_PATH + "service_details_dialog.glade"
+_UI_PATH = f"{UI_RESOURCES_PATH}service_dialog.glade"
 
 
 class ServiceDetailsDialog:
@@ -92,15 +92,15 @@ class ServiceDetailsDialog:
         self._transponder_services_iters = None
         self._current_model = None
         self._current_itr = None
-        # Patterns
+        # Patterns.
         self._DIGIT_PATTERN = re.compile("\\D")
         self._NON_EMPTY_PATTERN = re.compile("(?:^[\\s]*$|\\D)")
         self._CAID_PATTERN = re.compile("(?:^[\\s]*$)|(C:[0-9a-fA-F]{1,4})(,C:[0-9a-fA-F]{1,4})*")
         self._PIDS_PATTERN = re.compile("(?:^[\\s]*$)|(c:[0-9]{2}[0-9a-fA-F]{1,4})(,c:[0-9]{2}[0-9a-fA-F]{1,4})*?")
-        # Buttons
+        # Buttons.
         self._apply_button = builder.get_object("apply_button")
         self._create_button = builder.get_object("create_button")
-        # style
+        # Style.
         self._style_provider = Gtk.CssProvider()
         self._style_provider.load_from_path(UI_RESOURCES_PATH + "style.css")
         # initialization only digit elements
@@ -352,7 +352,7 @@ class ServiceDetailsDialog:
                     self.select_active_text(self._mod_combo_box, MODULATION.get(tr_data[8]))
                     self.select_active_text(self._rolloff_combo_box, ROLL_OFF.get(tr_data[9]))
                     self.select_active_text(self._pilot_combo_box, Pilot(tr_data[10]).name)
-                    self._tr_flag_entry.set_text(tr_data[7])
+                    self._tr_flag_entry.set_text(tr_data[6])
                 if data_len > 12:
                     self._stream_id_entry.set_text(tr_data[11])
                     self._pls_code_entry.set_text(tr_data[12])
@@ -411,6 +411,12 @@ class ServiceDetailsDialog:
         """ Sat positions initialisation """
         self._sat_pos_button.set_value(float(sat_pos[:-1]))
         self._pos_side_box.set_active_id(sat_pos[-1:])
+        self._sat_pos_button.connect("value-changed", self.on_sat_value_changed)
+
+    def on_sat_value_changed(self, button):
+        pos = int(self.get_sat_position())
+        namespace = int(f"{3600 - abs(pos) if pos < 0 else pos:04x}0000", 16)
+        self._namespace_entry.set_text(str(namespace))
 
     def on_system_changed(self, box):
         if not self._tr_edit_switch.get_active():
@@ -463,7 +469,7 @@ class ServiceDetailsDialog:
         service, data = srv_data
         itr = self._current_model.append(service + (None, data.get(Column.SRV_BACKGROUND, None)))
         scroll_to(self._current_model.get_path(itr), self._services_view)
-        
+
         return True
 
     def on_edit(self):
@@ -678,14 +684,13 @@ class ServiceDetailsDialog:
         sat_pos = self.get_sat_position()
 
         inv = get_value_by_name(Inversion, self._invertion_combo_box.get_active_id())
-        srv_sys = "0"  # !!!
+        flag = self._tr_flag_entry.get_text() or "0"
 
         if self._s_type is SettingsType.ENIGMA_2:
-            dvb_s_tr = self._ENIGMA2_TRANSPONDER_DATA.format("s", freq, rate, pol, fec, sat_pos, inv, srv_sys)
+            dvb_s_tr = self._ENIGMA2_TRANSPONDER_DATA.format("s", freq, rate, pol, fec, sat_pos, inv, flag)
             if sys == "DVB-S":
                 return dvb_s_tr
             if sys == "DVB-S2":
-                flag = self._tr_flag_entry.get_text()
                 mod = self.get_value_from_combobox_id(self._mod_combo_box, MODULATION)
                 roll_off = self.get_value_from_combobox_id(self._rolloff_combo_box, ROLL_OFF)
                 pilot = get_value_by_name(Pilot, self._pilot_combo_box.get_active_id())
@@ -694,7 +699,7 @@ class ServiceDetailsDialog:
                 st_id = self._stream_id_entry.get_text()
                 pls = f":{st_id}:{pls_code}:{pls_mode}" if pls_mode and pls_code and st_id else ""
 
-                return f"{dvb_s_tr}:{flag}:{mod}:{roll_off}:{pilot}{pls}"
+                return f"{dvb_s_tr}:1:{mod}:{roll_off}:{pilot}{pls}"
 
         elif self._s_type is SettingsType.NEUTRINO_MP:
             tr_data = get_attributes(self._old_service.transponder)

app/ui/settings_dialog.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2025 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -692,7 +692,7 @@ class SettingsDialog:
         if mode is PlaybackMode.PLAY:
             self.show_info_message("Operates in standby mode or current active transponder!", Gtk.MessageType.WARNING)
         elif mode is PlaybackMode.STREAM:
-            self.show_info_message("Playback IPTV streams only!", Gtk.MessageType.WARNING)
+            self.show_info_message("Playback of IPTV streams only!", Gtk.MessageType.WARNING)
         elif mode is PlaybackMode.DISABLED:
             self._allow_main_list_playback_switch.set_active(False)
         else:

app/ui/style.css

@@ -49,6 +49,10 @@ paned.vertical > separator {
   background-size: 24px 2px;
 }
 
+progressbar > trough {
+    min-width: 75px;
+}
+
 .red-button {
   background-image: none;
   background-color: red;

app/ui/tasks.py

@@ -2,7 +2,7 @@
 #
 # The MIT License (MIT)
 #
-# Copyright (c) 2018-2022 Dmitriy Yefremov
+# Copyright (c) 2018-2026 Dmitriy Yefremov
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -24,6 +24,8 @@
 #
 # Author: Dmitriy Yefremov
 #
+
+
 from app.ui.dialogs import translate
 from .uicommons import Gtk, GLib
 
@@ -52,14 +54,13 @@ class BGTaskWidget(Gtk.Box):
         self.pack_start(close_button, False, False, 0)
 
         self.show_all()
-
         # Just prototype. -> It may not work properly!
-        # TODO: Different options need to be tested. Possibly with normal threads.
-        from concurrent.futures import ThreadPoolExecutor
+        from gi.repository.Gio import Task, Cancellable
 
-        self._executor = ThreadPoolExecutor(max_workers=self.TASK_LIMIT)
-        future = self._executor.submit(target, *args)
-        future.add_done_callback(lambda f: GLib.idle_add(self._app.emit, "task-done", self))
+        self._task = Task.new(self, Cancellable.new(), lambda s, t: GLib.idle_add(self._app.emit, "task-done", self))
+        self._task.set_priority(GLib.PRIORITY_LOW)
+        self._task.set_return_on_cancel(True)
+        self._task.run_in_thread(lambda t, s, d, c: target(*args))
 
     @property
     def text(self):
@@ -78,7 +79,10 @@ class BGTaskWidget(Gtk.Box):
         self.set_tooltip_text(value)
 
     def cancel(self):
-        self._executor.shutdown(wait=False)
+        cancelable = self._task.get_cancellable()
+        if cancelable:
+            cancelable.cancel()
+
         self._app.emit("task-canceled", None)
 
 

app/ui/uicommons.py

@@ -434,5 +434,27 @@ MOVE_KEYS = {KeyboardKey.UP, KeyboardKey.PAGE_UP,
              KeyboardKey.HOME_KP, KeyboardKey.END_KP,
              KeyboardKey.PAGE_UP_KP, KeyboardKey.PAGE_DOWN_KP}
 
+
+class LoadingProgressBar(Gtk.ProgressBar):
+    """ A custom class for a progress bar.
+
+        Used as an alternative to Gtk.Spinner to reduce CPU load.
+    """
+    __gtype_name__ = "LoadingProgressBar"
+
+    def __init__(self, **properties):
+        super().__init__(**properties)
+
+        self.connect("notify::visible", self.on_visible)
+
+    def on_visible(self, bar, param):
+        if self.get_visible():
+            GLib.timeout_add(500, self.update, priority=GLib.PRIORITY_LOW)
+
+    def update(self):
+        self.pulse()
+        return self.get_visible()
+
+
 if __name__ == "__main__":
     pass

app/ui/xml/edit.py

@@ -239,12 +239,6 @@ class SatellitesTool(Gtk.Box):
         self._transponders_stack.set_visible_child_name(self._dvb_type)
         self._update_header_button.set_sensitive(self._dvb_type is self.DVB.SAT)
 
-        if self._dvb_type is self.DVB.SAT:
-            self._app.on_info_bar_close()
-
-        else:
-            self._app.show_info_message("EXPERIMENTAL!", Gtk.MessageType.WARNING)
-
     def on_satellite_selection(self, view):
         model = self._sat_tr_view.get_model()
         model.clear()

build/linux/build-deb.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="3.14.3_Beta"
+VER="3.14.4_Beta"
 B_PATH="dist/DemonEditor"
 DEB_PATH="$B_PATH/usr/share/demoneditor"
 

build/linux/deb/DEBIAN/control

@@ -1,5 +1,5 @@
 Package: demon-editor
-Version: 3.14.3-Beta
+Version: 3.14.4-Beta
 Section: utils
 Priority: optional
 Architecture: all

build/mac/DemonEditor.spec

@@ -81,7 +81,7 @@ app = BUNDLE(coll,
                  'CFBundleGetInfoString': "Enigma2 channel and satellite editor",
                  'LSApplicationCategoryType': 'public.app-category.utilities',
                  'LSMinimumSystemVersion': '10.13',
-                 'CFBundleShortVersionString': f"3.14.3.{BUILD_DATE} Beta",
+                 'CFBundleShortVersionString': f"3.14.4.{BUILD_DATE} Beta",
                  'NSHumanReadableCopyright': u"Copyright © 2018-2026, Dmitriy Yefremov",
                  'NSRequiresAquaSystemAppearance': 'false',
                  'NSHighResolutionCapable': 'true'

po/be/demon-editor.po

@@ -11,7 +11,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 
 msgid "translator-credits"
-msgstr "Dmitriy Yefremov"
+msgstr "Дзмітрый Яфрэмаў"
 
 # Main
 msgid "Service"
@@ -1602,3 +1602,15 @@ msgstr "Падтрымка пашырэнняў адключана!"
 
 msgid "Do you want to enable it?"
 msgstr "Жадаеце ўключыць?"
+
+msgid "Playback of IPTV streams only!"
+msgstr "Прайграванне толькі IPTV-патокаў!"
+
+msgid "There are running background tasks!"
+msgstr "Ідзе выкананне фонавых задач!"
+
+msgid "Check if FFmpeg is installed!"
+msgstr "Праверце, ці ўсталяваны FFmpeg!"
+
+msgid "It can cause some problems."
+msgstr "Гэта можа выклікаць некаторыя праблемы."

po/de/demon-editor.po

@@ -1,8 +1,8 @@
-# Copyright (C) 2018-2025 Dmitriy Yefremov
+# Copyright (C) 2018-2026 Dmitriy Yefremov
 # This file is distributed under the MIT license.
 #
 # Charly, 2019.
-# Dmitriy Yefremov, 2020-2025.
+# Dmitriy Yefremov, 2020-2026.
 # Thomas Schmidt, 2021.
 msgid ""
 msgstr ""
@@ -1616,3 +1616,15 @@ msgstr "Die Unterstützung für Erweiterungen ist deaktiviert!"
 
 msgid "Do you want to enable it?"
 msgstr "Möchtest du aktivieren?"
+
+msgid "Playback of IPTV streams only!"
+msgstr "Wiedergabe nur IPTV-Streams!"
+
+msgid "There are running background tasks!"
+msgstr "Es laufen Hintergrundprozesse!"
+
+msgid "Check if FFmpeg is installed!"
+msgstr "Prüfe ob FFmpeg installiert ist!"
+
+msgid "It can cause some problems."
+msgstr "Das kann zu einigen Problemen führen."

po/ru/demon-editor.po

@@ -11,7 +11,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 
 msgid "translator-credits"
-msgstr "Dmitriy Yefremov"
+msgstr "Дмитрий Ефремов"
 
 # Main
 msgid "Service"
@@ -1599,3 +1599,15 @@ msgstr "Поддержка расширений отключена!"
 
 msgid "Do you want to enable it?"
 msgstr "Желаете включить?"
+
+msgid "Playback of IPTV streams only!"
+msgstr "Воспроизведение только IPTV-потоков!"
+
+msgid "There are running background tasks!"
+msgstr "Идет выполнение фоновых задач!"
+
+msgid "Check if FFmpeg is installed!"
+msgstr "Проверьте, установлен ли FFmpeg!"
+
+msgid "It can cause some problems."
+msgstr "Это может вызывать некоторые проблемы."