Setup translation using gettext and update about dialog

Author: hsbasu

usr/lib/battery-monitor/AboutWindow.py

@@ -1,7 +1,10 @@
 #!/usr/bin/env python3
 
 # third-party library
+import gettext
 import gi
+import locale
+
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 from gi.repository import GdkPixbuf
@@ -10,6 +13,14 @@
 from config import ICONS
 
 
+# i18n
+APP = 'battery-monitor'
+LOCALE_DIR = "/usr/share/locale"
+locale.bindtextdomain(APP, LOCALE_DIR)
+gettext.bindtextdomain(APP, LOCALE_DIR)
+gettext.textdomain(APP)
+_ = gettext.gettext
+
 
 class AboutWindow():
     """GUI class for About Window.
@@ -19,29 +30,51 @@ class AboutWindow():
 
     def __init__(self):
         authors = [
+            'Himadri Sekhar Basu <https://hsbasu.github.io>',
             'Maksudur Rahman Maateen <https://maateen.me/>',
             'Safwan Rahman <https://github.com/safwanrahman>',
             'Abdelhak BOUGOUFFA <https://abougouffa.github.io/>'
         ]
+        copyrights = "Copyright \xa9 2016-2018 Maksudur Rahman Maateen\n \
+            Copyright \xa9 2021 Himadri Sekhar Basu"
         documenters = [
-            'Maksudur Rahman Maateen <https://maateen.me/>',
+            'Maksudur Rahman Maateen <https://maateen.me/>'
+        ]
+        mainatainers = [
+            'Himadri Sekhar Basu <https://hsbasu.github.io>'
         ]
 
         # initiaing about dialog and params
         self.about_dialog = Gtk.AboutDialog()
-        self.about_dialog.set_program_name('Battery Monitor')
-        self.about_dialog.set_version("0.6")
-        self.about_dialog.set_copyright('Copyright \xa9 2016-2018 Maksudur Rahman Maateen')
+        
+        self.about_dialog.set_icon_name("battery-monitor")
+        self.about_dialog.set_title(_("About"))
+        
+        self.about_dialog.set_logo_icon_name("battery-monitor")
+        self.about_dialog.set_program_name(_('Battery Monitor'))
+        self.about_dialog.set_version("__DEB_VERSION__")
+        
         self.about_dialog.set_website_label('Official Website')
         self.about_dialog.set_website('https://hsbasu.github.io/battery-monitor/')
-        self.about_dialog.set_comments('Battery Monitor is a utility tool developed on Python3 and PyGtk3. It will notify the user about charging, discharging, not charging and critically low battery state of the battery on Linux (surely if the battery is present).')
-        self.about_dialog.set_license_type (Gtk.License.GPL_3_0,)
-        self.about_dialog.set_default_icon_from_file(ICONS['app'])
-        self.about_dialog.set_logo(GdkPixbuf.Pixbuf.new_from_file_at_size(ICONS['app'], 64, 64))
+        self.about_dialog.set_comments(_('Battery Monitor is a utility tool developed on Python3 and PyGtk3. It will notify the user about charging, discharging, not charging and critically low battery state of the battery on Linux (surely if the battery is present).'))
+        self.about_dialog.set_copyright(copyrights)
+        
         self.about_dialog.set_authors(authors)
         self.about_dialog.set_documenters(documenters)
-        self.about_dialog.add_credit_section('AUR maintained by', ['Yochanan Marqos <https://github.com/yochananmarqos>'])
-        self.about_dialog.set_title('About Battery Monitor')
+        # self.about_dialog.add_credit_section('AUR maintained by', ['Yochanan Marqos <https://github.com/yochananmarqos>'])
+        self.about_dialog.add_credit_section(_('Maintainer'), mainatainers)
+        
+        try:
+            h = open('/usr/share/common-licenses/GPL', encoding="utf-8")
+            s = h.readlines()
+            gpl = ""
+            for line in s:
+                gpl += line
+            h.close()
+            self.about_dialog.set_license(gpl)
+        except Exception as e:
+            print (e)
+        
         self.about_dialog.connect('response', self.__close)
 
     def show(self):

usr/lib/battery-monitor/AppIndicator.py

@@ -1,10 +1,12 @@
 #!/usr/bin/env python3
 
 # standard library
-import subprocess
-import time
+import gettext
+import locale
 import platform
+import subprocess
 from threading import Thread
+import time
 
 # third-party library
 import gi
@@ -21,49 +23,58 @@
 from Notification import Notification
 from SettingsWindow import SettingsWindow
 
+
+# i18n
+APP = 'battery-monitor'
+LOCALE_DIR = "/usr/share/locale"
+locale.bindtextdomain(APP, LOCALE_DIR)
+gettext.bindtextdomain(APP, LOCALE_DIR)
+gettext.textdomain(APP)
+_ = gettext.gettext
+
 class AppIndicator:
     """Class for system tray icon.
-
+    
     This class will show Battery Monitor icon in system tray.
     """
     if platform.python_version() >= '3.6':
         TEST_MODE: bool
-
+    
     def __init__(self, TEST_MODE: bool = False):
         self.indicator = AppIndicator3.Indicator.new(APPINDICATOR_ID, ICONS['app'], AppIndicator3.IndicatorCategory.SYSTEM_SERVICES)
-        self.indicator.set_title('Battery Monitor')
+        self.indicator.set_title(_('Battery Monitor'))
         self.indicator.set_status(AppIndicator3.IndicatorStatus.ACTIVE)
-
+		
         # create menu
         self.indicator.set_menu(self.__create_menu())
-
+		
         # run the daemon
         self.daemon = Thread(target=self.__run_daemon, args=(TEST_MODE,))
         self.daemon.setDaemon(True)
         self.daemon.start()
-
+	
     def __about_window(self, *args):
         about_window = AboutWindow()
         about_window.show()
-
+	
     def __create_menu(self):
         menu = Gtk.Menu()
-
-        item_settings = Gtk.MenuItem('Settings')
+		
+        item_settings = Gtk.MenuItem(_('Settings'))
         item_settings.connect("activate", self.__settings_window)
         menu.append(item_settings)
-
-        item_about = Gtk.MenuItem('About')
+		
+        item_about = Gtk.MenuItem(_('About'))
         item_about.connect("activate", self.__about_window)
         menu.append(item_about)
-
-        item_quit = Gtk.MenuItem('Quit')
+		
+        item_quit = Gtk.MenuItem(_('Quit'))
         item_quit.connect("activate", self.__quit)
         menu.append(item_quit)
         menu.show_all()
-
+		
         return menu
-
+	
     def __run_daemon(self, TEST_MODE: bool = False):
         # initiaing BatteryMonitor
         try:
@@ -74,20 +85,20 @@ def __run_daemon(self, TEST_MODE: bool = False):
             time.sleep(5)
             del notification
             self.__quit()
-
+		
         # initiaing Notification
         notification = Notification("success")
         notification.show_specific_notifications(monitor)
         while True:
             if monitor.is_updated():
                 notification.show_specific_notifications(monitor)
             time.sleep(5)
-
+	
     def __settings_window(self, *args):
         settings = SettingsWindow()
         settings.connect('destroy', Gtk.main_quit)
         settings.show_all()
         Gtk.main()
-
+	
     def __quit(self, *args):
         Gtk.main_quit()

usr/lib/battery-monitor/BatteryMonitor.py

@@ -1,15 +1,25 @@
 #!/usr/bin/env python3
 
 # standard library
+import gettext
+import locale
+import platform
 import random
 import subprocess
-import platform
 from typing import Dict
 
 # imports from current project
 from config import TEST_CASES
 
 
+# i18n
+APP = 'battery-monitor'
+LOCALE_DIR = "/usr/share/locale"
+locale.bindtextdomain(APP, LOCALE_DIR)
+gettext.bindtextdomain(APP, LOCALE_DIR)
+gettext.textdomain(APP)
+_ = gettext.gettext
+
 class BatteryMonitor:
     if platform.python_version() >= '3.6':
         raw_battery_info: str
@@ -48,10 +58,9 @@ def is_updated(self):
     def get_processed_battery_info(self):
         in_list = (self.raw_battery_info.decode("utf-8", "strict").lower().strip('\n')
                    .split(": ", 1)[1].split(", "))
-        print(in_list)
-        self.processed_battery_info["state"] = in_list[0]
-        self.processed_battery_info["percentage"] = in_list[1]
         try:
+            self.processed_battery_info["state"] = in_list[0]
+            self.processed_battery_info["percentage"] = in_list[1]
             self.processed_battery_info["remaining"] = in_list[2]
         except IndexError:
             pass

usr/lib/battery-monitor/Notification.py

@@ -2,6 +2,8 @@
 
 # standard library
 import configparser
+import gettext
+import locale
 import os
 import platform
 import time
@@ -19,6 +21,15 @@
 from config import MESSAGES
 
 
+# i18n
+APP = 'battery-monitor'
+LOCALE_DIR = "/usr/share/locale"
+locale.bindtextdomain(APP, LOCALE_DIR)
+gettext.bindtextdomain(APP, LOCALE_DIR)
+gettext.textdomain(APP)
+_ = gettext.gettext
+
+
 class Notification:
     """Triggers notification on battery state changes.
 
@@ -37,7 +48,7 @@ def __init__(self, type: str, TEST_MODE: bool = False) -> None:
         self.load_config()
 
         # initiating notification
-        Notify.init("Battery Monitor")
+        Notify.init(_("Battery Monitor"))
         message = MESSAGES[type]
         head = message[0]
         body = message[1]