i18n with gettext

main.py

@@ -2,6 +2,7 @@ import logging
 import os
 import signal
 import ctypes
+from pathlib import Path
 
 from PySide6 import QtCore
 from PySide6.QtWidgets import QApplication
@@ -13,9 +14,14 @@ import constants
 from raven.pluginregistry import PluginRegistry
 from ravenui import RavenUI
 
+import gettext
+
+gettext.install('ravenlog', 'locale')
+
 logging.basicConfig(level=logging.INFO)
 log = logging.getLogger("main")
 
+
 def stop_signal(signum, _stackframe):
     """ Handle terminate signal """
     try:
@@ -37,20 +43,21 @@ if __name__ == "__main__":
         myappid = 'opentext.ravenlog'  # arbitrary string
         ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)
 
-    # translator = QTranslator()
-    # if translator.load(QLocale("de"), "messages_de.ts"):
-    #    app.installTranslator(translator)
-
     locale = os.environ['LANG'] if os.environ['LANG'] else "en"
 
-    path = QLibraryInfo.location(QLibraryInfo.TranslationsPath)
-    translator = QTranslator(app)
-    if translator.load(QLocale(locale), 'qtbase', '_', path):
-        app.installTranslator(translator)
-    translator = QTranslator(app)
-    path = './translations'
-    if translator.load(QLocale(locale), 'messages', '_', path):
-        app.installTranslator(translator)
+    src_dir = Path(__file__).resolve().parent
+    try:
+        translation = gettext.translation('messages', localedir=src_dir / 'locales', languages=[locale])
+        if translation:
+            translation.install()
+            _ = translation.gettext
+            ngettext = translation.ngettext
+    except FileNotFoundError:
+        pass
+    if not _:
+        _ = gettext.gettext
+        ngettext = gettext.ngettext
+        print('No translation found')
 
     # workaround to make signals work in QT apps.
     # They do not work out of the box, because the main thread